diff options
72 files changed, 139 insertions, 14485 deletions
diff --git a/BUILDING.txt b/BUILDING.txt index 41f493e9..9987bd7d 100644 --- a/BUILDING.txt +++ b/BUILDING.txt @@ -9,12 +9,12 @@ Build Requirements (All Systems) -- CMake (http://www.cmake.org) v2.8 or later --- FLTK 1.3.2 - * Must be a patched snapshot to get full functionality - * See "Building FLTK" below. +-- zlib + +-- FLTK 1.3.3 or later -- If building TLS support: - * GnuTLS + * GnuTLS 3.x * See "Building TLS Support" below. -- If building native language support (NLS): @@ -33,27 +33,9 @@ Build Requirements (Unix) -- Non-Mac platforms: * X11 development kit --- If building Xvnc: - * autoconf 2.57 or later - * automake 1.7 or later - * libtool 1.4 or later - * OpenSSL v0.9.7 or later - * Python v2.3 or later - * zlib v1.2 or later - - * pkgconfig 0.20 or later - If you are using an older RPM-based system which does not meet this - minimum requirement (such as Red Hat Enterprise Linux 4), then you can - build pkgconfig 0.20 from the Fedora 5 source RPM: - http://archive.fedoraproject.org/pub/archive/fedora/linux/core/5/source/SRPMS/pkgconfig-0.20-2.2.1.src.rpm - - * gettext 0.14.4 or later - If you are using an older RPM-based system which does not meet this - minimum requirement (such as Red Hat Enterprise Linux 4), then you can - build gettext 0.14.5 from the Fedora 5 source RPM: - http://archive.fedoraproject.org/pub/archive/fedora/linux/core/5/source/SRPMS/gettext-0.14.5-3.src.rpm - NOTE: gcj and libgcj are required when building the above source RPM. - +-- If building Xvnc/libvnc.so: + * Xorg server source code, 1.7 or never + * All build requirements Xorg imposes (see its documentation) ============================ Build Requirements (Windows) @@ -80,38 +62,6 @@ Build Requirements (Java) -- See "Building Java Support" below. -============= -Building FLTK -============= - -TigerVNC requires FLTK 1.3.2 (or later). Although it will build and work -with plain 1.3.2, to get full functionality and the best behaviour you -need to build a patched version: - -1. Check out FLTK 1.3.2 using Subversion: -$ svn co http://svn.easysw.com/public/fltk/fltk/tags/release-1.3.2 fltk-1.3.2 - -2. For full functionality, apply patches. All patches can be found in - the contrib/fltk/ directory. There are also some general fixes to - FLTK that can be found in the contrib/fltk/fixes/ directory that - might be useful. - -3. Use CMake to build FLTK using the same procedures described below for - building TigerVNC. The recipes in the "Build Recipes" section also apply. - If you want optimized code, make sure to build with - -DCMAKE_BUILD_TYPE=Release. - -4. (optional) Use 'make install' to install FLTK into a directory of your - choosing. - -5. When building TigerVNC, set the FLTK_FLUID_EXECUTABLE CMake variable to the - location of the fluid executable that was built in Step 3 or installed in - Step 4. This gives CMake a hint as to where to find the FLTK library. - -6. If you did not install FLTK, then set the FLTK_INCLUDE_DIR CMake variable to - the location of the FLTK source directory. - - ================== Out-of-Tree Builds ================== @@ -202,14 +152,14 @@ version of the TigerVNC Server. This is accomplished by downloading and building the more recent Xorg modules in a local directory and then building Xvnc such that it links against the local build of these libraries, not the X11 libraries installed on the system. The "build-xorg" script in the TigerVNC -source distribution (located under unix/) automates this process. +source distribution (located under contrib/xorg/) automates this process. The following procedure will build both the TigerVNC Viewer and a "legacy-friendly" version of the TigerVNC Server: cd {build_directory} - sh {source_directory}/unix/build-xorg init - sh {source_directory}/unix/build-xorg build [additional CMake flags] + sh {source_directory}/contrib/xorg/build-xorg init + sh {source_directory}/contrib/xorg/build-xorg build [additional CMake flags] build-xorg generates a version of Xvnc that has no external dependencies on the X11 shared libraries or any other distribution-specific shared libraries. This @@ -223,11 +173,11 @@ once the X11 modules and other dependencies have been built for the first time. This is convenient for testing changes that just apply to the TigerVNC source code. To accomplish this, run: - sh {source_directory}/unix/build-xorg rebuild [additional make flags] + sh {source_directory}/contrib/xorg/build-xorg rebuild [additional make flags] For instance, - sh {source_directory}/unix/build-xorg rebuild clean + sh {source_directory}/contrib/xorg/build-xorg rebuild clean will clean both the Xvnc and vncviewer builds without destroying any of the build configuration or module dependencies. diff --git a/CMakeLists.txt b/CMakeLists.txt index 407bf67e..b5f3029c 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -74,9 +74,6 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wformat=2") IF(CMAKE_BUILD_TYPE MATCHES Debug) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror") - # We have a lot of old GnuTLS crud we need to ignore for now - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=deprecated-declarations") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=deprecated-declarations") ENDIF() if(NOT DEFINED BUILD_WINVNC) @@ -128,14 +125,7 @@ if(UNIX AND NOT APPLE) endif() # Check for zlib -find_package(ZLIB) -option(USE_INCLUDED_ZLIB "Force use of the bundled zlib") -if(NOT ZLIB_FOUND) - set(USE_INCLUDED_ZLIB 1) -endif() -if(USE_INCLUDED_ZLIB) - message(STATUS "Using included zlib library") -endif() +find_package(ZLIB REQUIRED) # Check for gettext option(ENABLE_NLS "Enable translation of program messages" ON) @@ -243,41 +233,6 @@ if(UNIX AND NOT APPLE) endif() endif() -if(FLTK_FOUND) - set(CMAKE_REQUIRED_INCLUDES ${FLTK_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${FLTK_LIBRARIES}) - - # FLTK STR #2636 - check_cxx_source_compiles("#include <FL/Fl.H>\nint main(int c, char** v) { Fl::add_clipboard_notify(NULL, NULL); return 0; }" HAVE_FLTK_CLIPBOARD) - - # FLTK STR #2638 - check_cxx_source_compiles("#include <FL/Enumerations.H>\nint main(int c, char** v) { return FL_Volume_Down; }" HAVE_FLTK_MEDIAKEYS) - - # FLTK STR #2641 - check_cxx_source_compiles("#include <FL/Enumerations.H>\nint main(int c, char** v) { return FL_FULLSCREEN; }" HAVE_FLTK_FULLSCREEN) - - # FLTK STR #2660 - check_cxx_source_compiles("#include <FL/Fl_Window.H>\nint main(int c, char** v) { void (Fl_Window::*foo)(const Fl_RGB_Image*,int,int) = &Fl_Window::cursor; return 0; }" HAVE_FLTK_CURSOR) - - # FLTK STR #2697 - check_cxx_source_compiles("#include <FL/Fl.H>\nint main(int c, char** v) { int X, Y, W, H; Fl::screen_work_area(X, Y, W, H); return 0; }" HAVE_FLTK_WORK_AREA) - - # FLTK STR #2816 - check_cxx_source_compiles("#include <FL/Fl_Window.H>\nint main(int c, char** v) { Fl_Window::default_icons(0, 0); return 0; }" HAVE_FLTK_ICONS) - - # FLTK STR #2860 - check_cxx_source_compiles("#include <FL/Fl_Window.H>\nint main(int c, char** v) { void (Fl_Window::*foo)(int,int,int,int) = &Fl_Window::fullscreen_screens; return 0; }" HAVE_FLTK_FULLSCREEN_SCREENS) - - # FLTK STR #xxxx - check_cxx_source_compiles("#include <FL/Fl.H>\nint main(int c, char** v) { Fl::add_system_handler(NULL, NULL); return 0; }" HAVE_FLTK_XHANDLERS) - - # FLTK STR #xxxx - check_cxx_source_compiles("#include <FL/Fl.H>\nint main(int c, char** v) { Fl::disable_im(); return 0; }" HAVE_FLTK_IM) - - set(CMAKE_REQUIRED_INCLUDES) - set(CMAKE_REQUIRED_LIBRARIES) -endif() - # Check for GNUTLS library option(ENABLE_GNUTLS "Enable protocol encryption and advanced authentication" ON) if(ENABLE_GNUTLS) @@ -286,30 +241,6 @@ if(ENABLE_GNUTLS) include_directories(${GNUTLS_INCLUDE_DIR}) add_definitions("-DHAVE_GNUTLS") add_definitions(${GNUTLS_DEFINITIONS}) - - # Detect old version of GnuTLS - set(CMAKE_REQUIRED_FLAGS -I${GNUTLS_INCLUDE_DIR}) - set(CMAKE_EXTRA_INCLUDE_FILES gnutls/gnutls.h) - set(CMAKE_REQUIRED_LIBRARIES ${GNUTLS_LIBRARIES}) - if(WIN32) - set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ws2_32 user32) - endif() - if(ZLIB_FOUND) - # When we build against the static version of GnuTLS, we also use the - # included version of Zlib, but it isn't built yet, so we have to use the - # system's version (if available) to perform this test. - set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES};-lz) - endif() - check_function_exists(gnutls_transport_set_errno HAVE_GNUTLS_SET_ERRNO) - check_function_exists(gnutls_transport_set_global_errno HAVE_GNUTLS_SET_GLOBAL_ERRNO) - check_function_exists(gnutls_x509_crt_print HAVE_GNUTLS_X509_CRT_PRINT) - check_type_size(gnutls_x509_crt_t GNUTLS_X509_CRT_T) - check_type_size(gnutls_datum_t GNUTLS_DATUM_T) - check_type_size(gnutls_pk_algorithm_t GNUTLS_PK_ALGORITHM_T) - check_type_size(gnutls_sign_algorithm_t GNUTLS_SIGN_ALGORITHM_T) - set(CMAKE_REQUIRED_FLAGS) - set(CMAKE_EXTRA_INCLUDE_FILES) - set(CMAKE_REQUIRED_LIBRARIES) endif() endif() diff --git a/cmake/StaticBuild.cmake b/cmake/StaticBuild.cmake index 0ec3361e..cc03487b 100644 --- a/cmake/StaticBuild.cmake +++ b/cmake/StaticBuild.cmake @@ -15,7 +15,7 @@ if(BUILD_STATIC) set(JPEG_LIBRARIES "-Wl,-Bstatic -ljpeg -Wl,-Bdynamic") - if(WIN32 AND NOT USE_INCLUDED_ZLIB) + if(WIN32) set(ZLIB_LIBRARIES "-Wl,-Bstatic -lz -Wl,-Bdynamic") endif() diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt index a645aa58..16e2a35e 100644 --- a/common/CMakeLists.txt +++ b/common/CMakeLists.txt @@ -1,10 +1,3 @@ -if(USE_INCLUDED_ZLIB) - add_subdirectory(zlib) - - set(ZLIB_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/common/zlib) - set(ZLIB_LIBRARIES zlib) -endif() - add_subdirectory(os) add_subdirectory(rdr) add_subdirectory(network) @@ -19,7 +12,4 @@ add_subdirectory(rfb) if(CMAKE_COMPILER_IS_GNUCXX AND (CMAKE_SIZEOF_VOID_P MATCHES 8) AND NOT WIN32) set_target_properties(os rdr network Xregion rfb PROPERTIES COMPILE_FLAGS -fPIC) - if(USE_INCLUDED_ZLIB) - set_target_properties(zlib PROPERTIES COMPILE_FLAGS -fPIC) - endif() endif() diff --git a/common/os/CMakeLists.txt b/common/os/CMakeLists.txt index fd3794dc..f082eefa 100644 --- a/common/os/CMakeLists.txt +++ b/common/os/CMakeLists.txt @@ -2,8 +2,7 @@ include_directories(${CMAKE_SOURCE_DIR}/common) add_library(os STATIC w32tiger.c - os.cxx - tls.cxx) + os.cxx) if(UNIX) libtool_create_control_file(os) diff --git a/common/os/tls.cxx b/common/os/tls.cxx deleted file mode 100644 index c0929968..00000000 --- a/common/os/tls.cxx +++ /dev/null @@ -1,198 +0,0 @@ -/* Copyright (C) 2011 TightVNC Team. All Rights Reserved. - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <os/tls.h> - -#include <iomanip> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sstream> -#include <sys/types.h> -#include <time.h> - -using namespace std; - -#if defined(HAVE_GNUTLS) && !defined(WIN32) -#include <gnutls/gnutls.h> -#include <gnutls/x509.h> - -#ifndef HAVE_GNUTLS_X509_CRT_PRINT - -/* Ancient GNUTLS... */ -#if !defined(GNUTLS_VERSION_NUMBER) && !defined(LIBGNUTLS_VERSION_NUMBER) -#define GNUTLS_DIG_SHA1 GNUTLS_DIG_SHA -#endif - -#define UNKNOWN_SUBJECT(err) \ - do { \ - ss << "unknown subject (" << gnutls_strerror(err) << "), "; \ - } while (0) - -#define UNKNOWN_ISSUER(err) \ - do { \ - ss << "unknown issuer (" << gnutls_strerror(err) << "), "; \ - } while (0) - - -static void -hexprint(ostringstream &ss, const char *data, size_t len) -{ - size_t j; - char tmp[3]; - - if (len == 0) - ss << "00"; - else { - for (j = 0; j < len; j++) { - snprintf(tmp, sizeof(tmp), "%.2x", (unsigned char) data[j]); - ss << tmp; - } - } -} - -/* Implementation based on gnutls_x509_crt_print from GNUTLS */ -int -gnutls_x509_crt_print(gnutls_x509_crt_t cert, - gnutls_certificate_print_formats_t format, - gnutls_datum_t * out) -{ - ostringstream ss; - - int err; - - char *dn; - size_t dn_size = 0; - - /* Subject */ - err = gnutls_x509_crt_get_dn(cert, NULL, &dn_size); - if (err != GNUTLS_E_SHORT_MEMORY_BUFFER) - UNKNOWN_SUBJECT(err); - else { - dn = (char *)malloc(dn_size); - if (dn == NULL) { - UNKNOWN_SUBJECT(GNUTLS_E_MEMORY_ERROR); - } else { - err = gnutls_x509_crt_get_dn(cert, dn, &dn_size); - if (err < 0) { - UNKNOWN_SUBJECT(err); - } else - ss << "subject `" << dn << "', "; - free(dn); - } - } - - /* Issuer */ - dn = NULL; - dn_size = 0; - err = gnutls_x509_crt_get_issuer_dn(cert, NULL, &dn_size); - if (err != GNUTLS_E_SHORT_MEMORY_BUFFER) - UNKNOWN_ISSUER(err); - else { - dn = (char *)malloc(dn_size); - if (dn == NULL) { - UNKNOWN_ISSUER(GNUTLS_E_MEMORY_ERROR); - } else { - err = gnutls_x509_crt_get_issuer_dn(cert, dn, &dn_size); - if (err < 0) - UNKNOWN_ISSUER(err); - else - ss << "issuer `" << dn << "', "; - free(dn); - } - } - - /* Key algorithm and size */ - unsigned int bits; - const char *name; - name = gnutls_pk_algorithm_get_name( (gnutls_pk_algorithm_t) - gnutls_x509_crt_get_pk_algorithm(cert, &bits)); - if (name == NULL) - name = "Unknown"; - ss << name << " key " << bits << " bits, "; - - /* Signature algorithm */ - err = gnutls_x509_crt_get_signature_algorithm(cert); - if (err < 0) { - ss << "unknown signature algorithm (" << gnutls_strerror(err) - << "), "; - } else { - const char *name; - name = gnutls_sign_algorithm_get_name((gnutls_sign_algorithm_t)err); - if (name == NULL) - name = "Unknown"; - - ss << "signed using " << name; - if (err == GNUTLS_SIGN_RSA_MD5 || err == GNUTLS_SIGN_RSA_MD2) - ss << " (broken!)"; - ss << ", "; - } - - /* Validity */ - time_t tim; - char s[42]; - size_t max = sizeof(s); - struct tm t; - - tim = gnutls_x509_crt_get_activation_time(cert); - if (gmtime_r(&tim, &t) == NULL) - ss << "unknown activation (" << (unsigned long) tim << ")"; - else if (strftime(s, max, "%Y-%m-%d %H:%M:%S UTC", &t) == 0) - ss << "failed activation (" << (unsigned long) tim << ")"; - else - ss << "activated `" << s << "'"; - ss << ", "; - - tim = gnutls_x509_crt_get_expiration_time(cert); - if (gmtime_r(&tim, &t) == NULL) - ss << "unknown expiry (" << (unsigned long) tim << ")"; - else if (strftime(s, max, "%Y-%m-%d %H:%M:%S UTC", &t) == 0) - ss << "failed expiry (" << (unsigned long) tim << ")"; - else - ss << "expires `" << s << "'"; - ss << ", "; - - /* Fingerprint */ - char buffer[20]; - size_t size = sizeof(buffer); - - err = gnutls_x509_crt_get_fingerprint(cert, GNUTLS_DIG_SHA1, buffer, &size); - if (err < 0) - ss << "unknown fingerprint (" << gnutls_strerror(err) << ")"; - else { - ss << "SHA-1 fingerprint `"; - hexprint(ss, buffer, size); - ss << "'"; - } - - out->data = (unsigned char *) strdup(ss.str().c_str()); - if (out->data == NULL) - return GNUTLS_E_MEMORY_ERROR; - out->size = strlen((char *)out->data); - - return 0; -} - -#endif /* HAVE_GNUTLS_X509_CRT_PRINT */ - -#endif /* HAVE_GNUTLS */ - diff --git a/common/os/tls.h b/common/os/tls.h deleted file mode 100644 index 6920bb0d..00000000 --- a/common/os/tls.h +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright (C) 2011 TightVNC Team. All Rights Reserved. - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. - */ - -#ifndef OS_TLS_H -#define OS_TLS_H - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#if defined(HAVE_GNUTLS) -#include <gnutls/gnutls.h> - -#ifndef HAVE_GNUTLS_DATUM_T -typedef gnutls_datum gnutls_datum_t; -#endif -#ifndef HAVE_GNUTLS_X509_CRT_T -typedef gnutls_x509_crt gnutls_x509_crt_t; -#endif -#ifndef HAVE_GNUTLS_PK_ALGORITHM_T -typedef gnutls_pk_algorithm gnutls_pk_algorithm_t; -#endif -#ifndef HAVE_GNUTLS_SIGN_ALGORITHM_T -typedef gnutls_sign_algorithm gnutls_sign_algorithm_t; -#endif - -#ifndef HAVE_GNUTLS_X509_CRT_PRINT - -typedef enum { - GNUTLS_CRT_PRINT_ONELINE = 1 -} gnutls_certificate_print_formats_t; - -/* - * Prints certificate in human-readable form. - */ -int -gnutls_x509_crt_print(gnutls_x509_crt_t cert, - gnutls_certificate_print_formats_t format, - gnutls_datum_t * out); -#endif /* HAVE_GNUTLS_X509_CRT_PRINT */ -#endif /* HAVE_GNUTLS */ - -#endif /* OS_TLS_H */ - diff --git a/common/rdr/TLSErrno.h b/common/rdr/TLSErrno.h deleted file mode 100644 index c2ff0236..00000000 --- a/common/rdr/TLSErrno.h +++ /dev/null @@ -1,46 +0,0 @@ -/* Copyright (C) 2012 Pierre Ossman for Cendio AB - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. - */ - -#ifndef __RDR_TLSERRNO_H__ -#define __RDR_TLSERRNO_H__ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#ifdef HAVE_GNUTLS - -#include <errno.h> - -namespace rdr { - - static inline void gnutls_errno_helper(gnutls_session session, int _errno) - { -#if defined(HAVE_GNUTLS_SET_ERRNO) - gnutls_transport_set_errno(session, _errno); -#elif defined(HAVE_GNUTLS_SET_GLOBAL_ERRNO) - gnutls_transport_set_global_errno(_errno); -#else - errno = _errno; -#endif - } -}; - -#endif - -#endif diff --git a/common/rdr/TLSInStream.cxx b/common/rdr/TLSInStream.cxx index 21b60565..77b16729 100644 --- a/common/rdr/TLSInStream.cxx +++ b/common/rdr/TLSInStream.cxx @@ -25,7 +25,6 @@ #include <rdr/Exception.h> #include <rdr/TLSException.h> #include <rdr/TLSInStream.h> -#include <rdr/TLSErrno.h> #include <errno.h> #ifdef HAVE_GNUTLS @@ -33,14 +32,14 @@ using namespace rdr; enum { DEFAULT_BUF_SIZE = 16384 }; -ssize_t TLSInStream::pull(gnutls_transport_ptr str, void* data, size_t size) +ssize_t TLSInStream::pull(gnutls_transport_ptr_t str, void* data, size_t size) { TLSInStream* self= (TLSInStream*) str; InStream *in = self->in; try { if (!in->check(1, 1, false)) { - gnutls_errno_helper(self->session, EAGAIN); + gnutls_transport_set_errno(self->session, EAGAIN); return -1; } @@ -50,17 +49,17 @@ ssize_t TLSInStream::pull(gnutls_transport_ptr str, void* data, size_t size) in->readBytes(data, size); } catch (Exception& e) { - gnutls_errno_helper(self->session, EINVAL); + gnutls_transport_set_errno(self->session, EINVAL); return -1; } return size; } -TLSInStream::TLSInStream(InStream* _in, gnutls_session _session) +TLSInStream::TLSInStream(InStream* _in, gnutls_session_t _session) : session(_session), in(_in), bufSize(DEFAULT_BUF_SIZE), offset(0) { - gnutls_transport_ptr recv, send; + gnutls_transport_ptr_t recv, send; ptr = end = start = new U8[bufSize]; diff --git a/common/rdr/TLSInStream.h b/common/rdr/TLSInStream.h index 65a783c8..b16d9f5a 100644 --- a/common/rdr/TLSInStream.h +++ b/common/rdr/TLSInStream.h @@ -33,7 +33,7 @@ namespace rdr { class TLSInStream : public InStream { public: - TLSInStream(InStream* in, gnutls_session session); + TLSInStream(InStream* in, gnutls_session_t session); virtual ~TLSInStream(); int pos(); @@ -41,9 +41,9 @@ namespace rdr { private: int overrun(int itemSize, int nItems, bool wait); int readTLS(U8* buf, int len, bool wait); - static ssize_t pull(gnutls_transport_ptr str, void* data, size_t size); + static ssize_t pull(gnutls_transport_ptr_t str, void* data, size_t size); - gnutls_session session; + gnutls_session_t session; InStream* in; int bufSize; int offset; diff --git a/common/rdr/TLSOutStream.cxx b/common/rdr/TLSOutStream.cxx index ef32d7db..44d2d9f3 100644 --- a/common/rdr/TLSOutStream.cxx +++ b/common/rdr/TLSOutStream.cxx @@ -25,7 +25,6 @@ #include <rdr/Exception.h> #include <rdr/TLSException.h> #include <rdr/TLSOutStream.h> -#include <rdr/TLSErrno.h> #include <errno.h> #ifdef HAVE_GNUTLS @@ -33,7 +32,7 @@ using namespace rdr; enum { DEFAULT_BUF_SIZE = 16384 }; -ssize_t TLSOutStream::push(gnutls_transport_ptr str, const void* data, +ssize_t TLSOutStream::push(gnutls_transport_ptr_t str, const void* data, size_t size) { TLSOutStream* self= (TLSOutStream*) str; @@ -43,17 +42,17 @@ ssize_t TLSOutStream::push(gnutls_transport_ptr str, const void* data, out->writeBytes(data, size); out->flush(); } catch (Exception& e) { - gnutls_errno_helper(self->session, EINVAL); + gnutls_transport_set_errno(self->session, EINVAL); return -1; } return size; } -TLSOutStream::TLSOutStream(OutStream* _out, gnutls_session _session) +TLSOutStream::TLSOutStream(OutStream* _out, gnutls_session_t _session) : session(_session), out(_out), bufSize(DEFAULT_BUF_SIZE), offset(0) { - gnutls_transport_ptr recv, send; + gnutls_transport_ptr_t recv, send; ptr = start = new U8[bufSize]; end = start + bufSize; diff --git a/common/rdr/TLSOutStream.h b/common/rdr/TLSOutStream.h index a291f426..81dd237a 100644 --- a/common/rdr/TLSOutStream.h +++ b/common/rdr/TLSOutStream.h @@ -32,7 +32,7 @@ namespace rdr { class TLSOutStream : public OutStream { public: - TLSOutStream(OutStream* out, gnutls_session session); + TLSOutStream(OutStream* out, gnutls_session_t session); virtual ~TLSOutStream(); void flush(); @@ -43,9 +43,9 @@ namespace rdr { private: int writeTLS(const U8* data, int length); - static ssize_t push(gnutls_transport_ptr str, const void* data, size_t size); + static ssize_t push(gnutls_transport_ptr_t str, const void* data, size_t size); - gnutls_session session; + gnutls_session_t session; OutStream* out; int bufSize; U8* start; diff --git a/common/rfb/CSecurityTLS.cxx b/common/rfb/CSecurityTLS.cxx index 222748c0..3dcededb 100644 --- a/common/rfb/CSecurityTLS.cxx +++ b/common/rfb/CSecurityTLS.cxx @@ -42,7 +42,6 @@ #include <rdr/TLSInStream.h> #include <rdr/TLSOutStream.h> #include <os/os.h> -#include <os/tls.h> #include <gnutls/x509.h> @@ -202,14 +201,32 @@ bool CSecurityTLS::processMsg(CConnection* cc) void CSecurityTLS::setParam() { - static const int kx_anon_priority[] = { GNUTLS_KX_ANON_DH, 0 }; - static const int kx_priority[] = { GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, - GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0 }; + static const char kx_anon_priority[] = ":+ANON-ECDH:+ANON-DH"; - if (anon) { - if (gnutls_kx_set_priority(session, kx_anon_priority) != GNUTLS_E_SUCCESS) - throw AuthFailureException("gnutls_kx_set_priority failed"); + int ret; + char *prio; + const char *err; + + prio = (char*)malloc(strlen(Security::GnuTLSPriority) + + strlen(kx_anon_priority) + 1); + if (prio == NULL) + throw AuthFailureException("Not enough memory for GnuTLS priority string"); + + strcpy(prio, Security::GnuTLSPriority); + if (anon) + strcat(prio, kx_anon_priority); + + ret = gnutls_priority_set_direct(session, prio, &err); + free(prio); + + if (ret != GNUTLS_E_SUCCESS) { + if (ret == GNUTLS_E_INVALID_REQUEST) + vlog.error("GnuTLS priority syntax error at: %s", err); + throw AuthFailureException("gnutls_set_priority_direct failed"); + } + + if (anon) { if (gnutls_anon_allocate_client_credentials(&anon_cred) != GNUTLS_E_SUCCESS) throw AuthFailureException("gnutls_anon_allocate_client_credentials failed"); @@ -218,9 +235,6 @@ void CSecurityTLS::setParam() vlog.debug("Anonymous session has been set"); } else { - if (gnutls_kx_set_priority(session, kx_priority) != GNUTLS_E_SUCCESS) - throw AuthFailureException("gnutls_kx_set_priority failed"); - if (gnutls_certificate_allocate_credentials(&cert_cred) != GNUTLS_E_SUCCESS) throw AuthFailureException("gnutls_certificate_allocate_credentials failed"); @@ -259,10 +273,10 @@ void CSecurityTLS::checkSession() GNUTLS_CERT_SIGNER_NOT_FOUND | GNUTLS_CERT_SIGNER_NOT_CA; unsigned int status; - const gnutls_datum *cert_list; + const gnutls_datum_t *cert_list; unsigned int cert_list_size = 0; int err; - gnutls_datum info; + gnutls_datum_t info; if (anon) return; @@ -298,7 +312,7 @@ void CSecurityTLS::checkSession() throw AuthFailureException("empty certificate chain"); /* Process only server's certificate, not issuer's certificate */ - gnutls_x509_crt crt; + gnutls_x509_crt_t crt; gnutls_x509_crt_init(&crt); if (gnutls_x509_crt_import(crt, &cert_list[0], GNUTLS_X509_FMT_DER) < 0) diff --git a/common/rfb/CSecurityTLS.h b/common/rfb/CSecurityTLS.h index f5f10e47..b147d802 100644 --- a/common/rfb/CSecurityTLS.h +++ b/common/rfb/CSecurityTLS.h @@ -64,9 +64,9 @@ namespace rfb { private: static void initGlobal(); - gnutls_session session; - gnutls_anon_client_credentials anon_cred; - gnutls_certificate_credentials cert_cred; + gnutls_session_t session; + gnutls_anon_client_credentials_t anon_cred; + gnutls_certificate_credentials_t cert_cred; bool anon; char *cafile, *crlfile; diff --git a/common/rfb/SSecurityTLS.cxx b/common/rfb/SSecurityTLS.cxx index d4e88d74..0f52d34b 100644 --- a/common/rfb/SSecurityTLS.cxx +++ b/common/rfb/SSecurityTLS.cxx @@ -27,6 +27,8 @@ #error "This source should not be compiled without HAVE_GNUTLS defined" #endif +#include <stdlib.h> + #include <rfb/SSecurityTLS.h> #include <rfb/SConnection.h> #include <rfb/LogWriter.h> @@ -164,15 +166,32 @@ bool SSecurityTLS::processMsg(SConnection *sc) return true; } -void SSecurityTLS::setParams(gnutls_session session) +void SSecurityTLS::setParams(gnutls_session_t session) { - static const int kx_anon_priority[] = { GNUTLS_KX_ANON_DH, 0 }; - static const int kx_priority[] = { GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, - GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0 }; + static const char kx_anon_priority[] = ":+ANON-ECDH:+ANON-DH"; + + int ret; + char *prio; + const char *err; + + prio = (char*)malloc(strlen(Security::GnuTLSPriority) + + strlen(kx_anon_priority) + 1); + if (prio == NULL) + throw AuthFailureException("Not enough memory for GnuTLS priority string"); + + strcpy(prio, Security::GnuTLSPriority); + if (anon) + strcat(prio, kx_anon_priority); - if (gnutls_kx_set_priority(session, anon ? kx_anon_priority : kx_priority) - != GNUTLS_E_SUCCESS) - throw AuthFailureException("gnutls_kx_set_priority failed"); + ret = gnutls_priority_set_direct(session, prio, &err); + + free(prio); + + if (ret != GNUTLS_E_SUCCESS) { + if (ret == GNUTLS_E_INVALID_REQUEST) + vlog.error("GnuTLS priority syntax error at: %s", err); + throw AuthFailureException("gnutls_set_priority_direct failed"); + } if (gnutls_dh_params_init(&dh_params) != GNUTLS_E_SUCCESS) throw AuthFailureException("gnutls_dh_params_init failed"); diff --git a/common/rfb/SSecurityTLS.h b/common/rfb/SSecurityTLS.h index 4eebc7e0..a7932054 100644 --- a/common/rfb/SSecurityTLS.h +++ b/common/rfb/SSecurityTLS.h @@ -51,15 +51,15 @@ namespace rfb { protected: void shutdown(); - void setParams(gnutls_session session); + void setParams(gnutls_session_t session); private: static void initGlobal(); - gnutls_session session; - gnutls_dh_params dh_params; - gnutls_anon_server_credentials anon_cred; - gnutls_certificate_credentials cert_cred; + gnutls_session_t session; + gnutls_dh_params_t dh_params; + gnutls_anon_server_credentials_t anon_cred; + gnutls_certificate_credentials_t cert_cred; char *keyfile, *certfile; int type; diff --git a/common/rfb/Security.cxx b/common/rfb/Security.cxx index 62ea50e6..e623ab54 100644 --- a/common/rfb/Security.cxx +++ b/common/rfb/Security.cxx @@ -49,6 +49,12 @@ using namespace std; static LogWriter vlog("Security"); +#ifdef HAVE_GNUTLS +StringParameter Security::GnuTLSPriority("GnuTLSPriority", + "GnuTLS priority string that controls the TLS session’s handshake algorithms", + "NORMAL"); +#endif + Security::Security() { } diff --git a/common/rfb/Security.h b/common/rfb/Security.h index 85bc325a..c1bc9224 100644 --- a/common/rfb/Security.h +++ b/common/rfb/Security.h @@ -93,6 +93,10 @@ namespace rfb { /* Output char* is stored in static array */ char *ToString(void); +#ifdef HAVE_GNUTLS + static StringParameter GnuTLSPriority; +#endif + private: std::list<rdr::U32> enabledSecTypes; }; diff --git a/common/zlib/CMakeLists.txt b/common/zlib/CMakeLists.txt deleted file mode 100644 index 69f1c9f9..00000000 --- a/common/zlib/CMakeLists.txt +++ /dev/null @@ -1,22 +0,0 @@ -# It seems like gcc for Win32 doesn't support the visibility attribute, -# so disable it to make it stop complaining. -if(WIN32) - add_definitions(-DNO_VIZ) -endif() - -add_library(zlib STATIC - adler32.c - compress.c - crc32.c - deflate.c - gzclose.c - gzlib.c - gzread.c - gzwrite.c - inflate.c - infback.c - inftrees.c - inffast.c - trees.c - uncompr.c - zutil.c) diff --git a/common/zlib/README b/common/zlib/README deleted file mode 100644 index a4e11701..00000000 --- a/common/zlib/README +++ /dev/null @@ -1,2 +0,0 @@ -This is a local copy of the zlib library, version 1.2.5. Unneeded parts are -removed, check http://zlib.net for full source and more information. diff --git a/common/zlib/adler32.c b/common/zlib/adler32.c deleted file mode 100644 index 65ad6a5a..00000000 --- a/common/zlib/adler32.c +++ /dev/null @@ -1,169 +0,0 @@ -/* adler32.c -- compute the Adler-32 checksum of a data stream - * Copyright (C) 1995-2007 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#include "zutil.h" - -#define local static - -local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2); - -#define BASE 65521UL /* largest prime smaller than 65536 */ -#define NMAX 5552 -/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ - -#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;} -#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1); -#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2); -#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); -#define DO16(buf) DO8(buf,0); DO8(buf,8); - -/* use NO_DIVIDE if your processor does not do division in hardware */ -#ifdef NO_DIVIDE -# define MOD(a) \ - do { \ - if (a >= (BASE << 16)) a -= (BASE << 16); \ - if (a >= (BASE << 15)) a -= (BASE << 15); \ - if (a >= (BASE << 14)) a -= (BASE << 14); \ - if (a >= (BASE << 13)) a -= (BASE << 13); \ - if (a >= (BASE << 12)) a -= (BASE << 12); \ - if (a >= (BASE << 11)) a -= (BASE << 11); \ - if (a >= (BASE << 10)) a -= (BASE << 10); \ - if (a >= (BASE << 9)) a -= (BASE << 9); \ - if (a >= (BASE << 8)) a -= (BASE << 8); \ - if (a >= (BASE << 7)) a -= (BASE << 7); \ - if (a >= (BASE << 6)) a -= (BASE << 6); \ - if (a >= (BASE << 5)) a -= (BASE << 5); \ - if (a >= (BASE << 4)) a -= (BASE << 4); \ - if (a >= (BASE << 3)) a -= (BASE << 3); \ - if (a >= (BASE << 2)) a -= (BASE << 2); \ - if (a >= (BASE << 1)) a -= (BASE << 1); \ - if (a >= BASE) a -= BASE; \ - } while (0) -# define MOD4(a) \ - do { \ - if (a >= (BASE << 4)) a -= (BASE << 4); \ - if (a >= (BASE << 3)) a -= (BASE << 3); \ - if (a >= (BASE << 2)) a -= (BASE << 2); \ - if (a >= (BASE << 1)) a -= (BASE << 1); \ - if (a >= BASE) a -= BASE; \ - } while (0) -#else -# define MOD(a) a %= BASE -# define MOD4(a) a %= BASE -#endif - -/* ========================================================================= */ -uLong ZEXPORT adler32(adler, buf, len) - uLong adler; - const Bytef *buf; - uInt len; -{ - unsigned long sum2; - unsigned n; - - /* split Adler-32 into component sums */ - sum2 = (adler >> 16) & 0xffff; - adler &= 0xffff; - - /* in case user likes doing a byte at a time, keep it fast */ - if (len == 1) { - adler += buf[0]; - if (adler >= BASE) - adler -= BASE; - sum2 += adler; - if (sum2 >= BASE) - sum2 -= BASE; - return adler | (sum2 << 16); - } - - /* initial Adler-32 value (deferred check for len == 1 speed) */ - if (buf == Z_NULL) - return 1L; - - /* in case short lengths are provided, keep it somewhat fast */ - if (len < 16) { - while (len--) { - adler += *buf++; - sum2 += adler; - } - if (adler >= BASE) - adler -= BASE; - MOD4(sum2); /* only added so many BASE's */ - return adler | (sum2 << 16); - } - - /* do length NMAX blocks -- requires just one modulo operation */ - while (len >= NMAX) { - len -= NMAX; - n = NMAX / 16; /* NMAX is divisible by 16 */ - do { - DO16(buf); /* 16 sums unrolled */ - buf += 16; - } while (--n); - MOD(adler); - MOD(sum2); - } - - /* do remaining bytes (less than NMAX, still just one modulo) */ - if (len) { /* avoid modulos if none remaining */ - while (len >= 16) { - len -= 16; - DO16(buf); - buf += 16; - } - while (len--) { - adler += *buf++; - sum2 += adler; - } - MOD(adler); - MOD(sum2); - } - - /* return recombined sums */ - return adler | (sum2 << 16); -} - -/* ========================================================================= */ -local uLong adler32_combine_(adler1, adler2, len2) - uLong adler1; - uLong adler2; - z_off64_t len2; -{ - unsigned long sum1; - unsigned long sum2; - unsigned rem; - - /* the derivation of this formula is left as an exercise for the reader */ - rem = (unsigned)(len2 % BASE); - sum1 = adler1 & 0xffff; - sum2 = rem * sum1; - MOD(sum2); - sum1 += (adler2 & 0xffff) + BASE - 1; - sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem; - if (sum1 >= BASE) sum1 -= BASE; - if (sum1 >= BASE) sum1 -= BASE; - if (sum2 >= (BASE << 1)) sum2 -= (BASE << 1); - if (sum2 >= BASE) sum2 -= BASE; - return sum1 | (sum2 << 16); -} - -/* ========================================================================= */ -uLong ZEXPORT adler32_combine(adler1, adler2, len2) - uLong adler1; - uLong adler2; - z_off_t len2; -{ - return adler32_combine_(adler1, adler2, len2); -} - -uLong ZEXPORT adler32_combine64(adler1, adler2, len2) - uLong adler1; - uLong adler2; - z_off64_t len2; -{ - return adler32_combine_(adler1, adler2, len2); -} diff --git a/common/zlib/compress.c b/common/zlib/compress.c deleted file mode 100644 index ea4dfbe9..00000000 --- a/common/zlib/compress.c +++ /dev/null @@ -1,80 +0,0 @@ -/* compress.c -- compress a memory buffer - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#define ZLIB_INTERNAL -#include "zlib.h" - -/* =========================================================================== - Compresses the source buffer into the destination buffer. The level - parameter has the same meaning as in deflateInit. sourceLen is the byte - length of the source buffer. Upon entry, destLen is the total size of the - destination buffer, which must be at least 0.1% larger than sourceLen plus - 12 bytes. Upon exit, destLen is the actual size of the compressed buffer. - - compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough - memory, Z_BUF_ERROR if there was not enough room in the output buffer, - Z_STREAM_ERROR if the level parameter is invalid. -*/ -int ZEXPORT compress2 (dest, destLen, source, sourceLen, level) - Bytef *dest; - uLongf *destLen; - const Bytef *source; - uLong sourceLen; - int level; -{ - z_stream stream; - int err; - - stream.next_in = (Bytef*)source; - stream.avail_in = (uInt)sourceLen; -#ifdef MAXSEG_64K - /* Check for source > 64K on 16-bit machine: */ - if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; -#endif - stream.next_out = dest; - stream.avail_out = (uInt)*destLen; - if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; - - stream.zalloc = (alloc_func)0; - stream.zfree = (free_func)0; - stream.opaque = (voidpf)0; - - err = deflateInit(&stream, level); - if (err != Z_OK) return err; - - err = deflate(&stream, Z_FINISH); - if (err != Z_STREAM_END) { - deflateEnd(&stream); - return err == Z_OK ? Z_BUF_ERROR : err; - } - *destLen = stream.total_out; - - err = deflateEnd(&stream); - return err; -} - -/* =========================================================================== - */ -int ZEXPORT compress (dest, destLen, source, sourceLen) - Bytef *dest; - uLongf *destLen; - const Bytef *source; - uLong sourceLen; -{ - return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION); -} - -/* =========================================================================== - If the default memLevel or windowBits for deflateInit() is changed, then - this function needs to be updated. - */ -uLong ZEXPORT compressBound (sourceLen) - uLong sourceLen; -{ - return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + - (sourceLen >> 25) + 13; -} diff --git a/common/zlib/crc32.c b/common/zlib/crc32.c deleted file mode 100644 index 91be372d..00000000 --- a/common/zlib/crc32.c +++ /dev/null @@ -1,442 +0,0 @@ -/* crc32.c -- compute the CRC-32 of a data stream - * Copyright (C) 1995-2006, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - * - * Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster - * CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing - * tables for updating the shift register in one step with three exclusive-ors - * instead of four steps with four exclusive-ors. This results in about a - * factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3. - */ - -/* @(#) $Id$ */ - -/* - Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore - protection on the static variables used to control the first-use generation - of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should - first call get_crc_table() to initialize the tables before allowing more than - one thread to use crc32(). - */ - -#ifdef MAKECRCH -# include <stdio.h> -# ifndef DYNAMIC_CRC_TABLE -# define DYNAMIC_CRC_TABLE -# endif /* !DYNAMIC_CRC_TABLE */ -#endif /* MAKECRCH */ - -#include "zutil.h" /* for STDC and FAR definitions */ - -#define local static - -/* Find a four-byte integer type for crc32_little() and crc32_big(). */ -#ifndef NOBYFOUR -# ifdef STDC /* need ANSI C limits.h to determine sizes */ -# include <limits.h> -# define BYFOUR -# if (UINT_MAX == 0xffffffffUL) - typedef unsigned int u4; -# else -# if (ULONG_MAX == 0xffffffffUL) - typedef unsigned long u4; -# else -# if (USHRT_MAX == 0xffffffffUL) - typedef unsigned short u4; -# else -# undef BYFOUR /* can't find a four-byte integer type! */ -# endif -# endif -# endif -# endif /* STDC */ -#endif /* !NOBYFOUR */ - -/* Definitions for doing the crc four data bytes at a time. */ -#ifdef BYFOUR -# define REV(w) ((((w)>>24)&0xff)+(((w)>>8)&0xff00)+ \ - (((w)&0xff00)<<8)+(((w)&0xff)<<24)) - local unsigned long crc32_little OF((unsigned long, - const unsigned char FAR *, unsigned)); - local unsigned long crc32_big OF((unsigned long, - const unsigned char FAR *, unsigned)); -# define TBLS 8 -#else -# define TBLS 1 -#endif /* BYFOUR */ - -/* Local functions for crc concatenation */ -local unsigned long gf2_matrix_times OF((unsigned long *mat, - unsigned long vec)); -local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat)); -local uLong crc32_combine_(uLong crc1, uLong crc2, z_off64_t len2); - - -#ifdef DYNAMIC_CRC_TABLE - -local volatile int crc_table_empty = 1; -local unsigned long FAR crc_table[TBLS][256]; -local void make_crc_table OF((void)); -#ifdef MAKECRCH - local void write_table OF((FILE *, const unsigned long FAR *)); -#endif /* MAKECRCH */ -/* - Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: - x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. - - Polynomials over GF(2) are represented in binary, one bit per coefficient, - with the lowest powers in the most significant bit. Then adding polynomials - is just exclusive-or, and multiplying a polynomial by x is a right shift by - one. If we call the above polynomial p, and represent a byte as the - polynomial q, also with the lowest power in the most significant bit (so the - byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p, - where a mod b means the remainder after dividing a by b. - - This calculation is done using the shift-register method of multiplying and - taking the remainder. The register is initialized to zero, and for each - incoming bit, x^32 is added mod p to the register if the bit is a one (where - x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by - x (which is shifting right by one and adding x^32 mod p if the bit shifted - out is a one). We start with the highest power (least significant bit) of - q and repeat for all eight bits of q. - - The first table is simply the CRC of all possible eight bit values. This is - all the information needed to generate CRCs on data a byte at a time for all - combinations of CRC register values and incoming bytes. The remaining tables - allow for word-at-a-time CRC calculation for both big-endian and little- - endian machines, where a word is four bytes. -*/ -local void make_crc_table() -{ - unsigned long c; - int n, k; - unsigned long poly; /* polynomial exclusive-or pattern */ - /* terms of polynomial defining this crc (except x^32): */ - static volatile int first = 1; /* flag to limit concurrent making */ - static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26}; - - /* See if another task is already doing this (not thread-safe, but better - than nothing -- significantly reduces duration of vulnerability in - case the advice about DYNAMIC_CRC_TABLE is ignored) */ - if (first) { - first = 0; - - /* make exclusive-or pattern from polynomial (0xedb88320UL) */ - poly = 0UL; - for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++) - poly |= 1UL << (31 - p[n]); - - /* generate a crc for every 8-bit value */ - for (n = 0; n < 256; n++) { - c = (unsigned long)n; - for (k = 0; k < 8; k++) - c = c & 1 ? poly ^ (c >> 1) : c >> 1; - crc_table[0][n] = c; - } - -#ifdef BYFOUR - /* generate crc for each value followed by one, two, and three zeros, - and then the byte reversal of those as well as the first table */ - for (n = 0; n < 256; n++) { - c = crc_table[0][n]; - crc_table[4][n] = REV(c); - for (k = 1; k < 4; k++) { - c = crc_table[0][c & 0xff] ^ (c >> 8); - crc_table[k][n] = c; - crc_table[k + 4][n] = REV(c); - } - } -#endif /* BYFOUR */ - - crc_table_empty = 0; - } - else { /* not first */ - /* wait for the other guy to finish (not efficient, but rare) */ - while (crc_table_empty) - ; - } - -#ifdef MAKECRCH - /* write out CRC tables to crc32.h */ - { - FILE *out; - - out = fopen("crc32.h", "w"); - if (out == NULL) return; - fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n"); - fprintf(out, " * Generated automatically by crc32.c\n */\n\n"); - fprintf(out, "local const unsigned long FAR "); - fprintf(out, "crc_table[TBLS][256] =\n{\n {\n"); - write_table(out, crc_table[0]); -# ifdef BYFOUR - fprintf(out, "#ifdef BYFOUR\n"); - for (k = 1; k < 8; k++) { - fprintf(out, " },\n {\n"); - write_table(out, crc_table[k]); - } - fprintf(out, "#endif\n"); -# endif /* BYFOUR */ - fprintf(out, " }\n};\n"); - fclose(out); - } -#endif /* MAKECRCH */ -} - -#ifdef MAKECRCH -local void write_table(out, table) - FILE *out; - const unsigned long FAR *table; -{ - int n; - - for (n = 0; n < 256; n++) - fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : " ", table[n], - n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", ")); -} -#endif /* MAKECRCH */ - -#else /* !DYNAMIC_CRC_TABLE */ -/* ======================================================================== - * Tables of CRC-32s of all single-byte values, made by make_crc_table(). - */ -#include "crc32.h" -#endif /* DYNAMIC_CRC_TABLE */ - -/* ========================================================================= - * This function can be used by asm versions of crc32() - */ -const unsigned long FAR * ZEXPORT get_crc_table() -{ -#ifdef DYNAMIC_CRC_TABLE - if (crc_table_empty) - make_crc_table(); -#endif /* DYNAMIC_CRC_TABLE */ - return (const unsigned long FAR *)crc_table; -} - -/* ========================================================================= */ -#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8) -#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1 - -/* ========================================================================= */ -unsigned long ZEXPORT crc32(crc, buf, len) - unsigned long crc; - const unsigned char FAR *buf; - uInt len; -{ - if (buf == Z_NULL) return 0UL; - -#ifdef DYNAMIC_CRC_TABLE - if (crc_table_empty) - make_crc_table(); -#endif /* DYNAMIC_CRC_TABLE */ - -#ifdef BYFOUR - if (sizeof(void *) == sizeof(ptrdiff_t)) { - u4 endian; - - endian = 1; - if (*((unsigned char *)(&endian))) - return crc32_little(crc, buf, len); - else - return crc32_big(crc, buf, len); - } -#endif /* BYFOUR */ - crc = crc ^ 0xffffffffUL; - while (len >= 8) { - DO8; - len -= 8; - } - if (len) do { - DO1; - } while (--len); - return crc ^ 0xffffffffUL; -} - -#ifdef BYFOUR - -/* ========================================================================= */ -#define DOLIT4 c ^= *buf4++; \ - c = crc_table[3][c & 0xff] ^ crc_table[2][(c >> 8) & 0xff] ^ \ - crc_table[1][(c >> 16) & 0xff] ^ crc_table[0][c >> 24] -#define DOLIT32 DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4 - -/* ========================================================================= */ -local unsigned long crc32_little(crc, buf, len) - unsigned long crc; - const unsigned char FAR *buf; - unsigned len; -{ - register u4 c; - register const u4 FAR *buf4; - - c = (u4)crc; - c = ~c; - while (len && ((ptrdiff_t)buf & 3)) { - c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8); - len--; - } - - buf4 = (const u4 FAR *)(const void FAR *)buf; - while (len >= 32) { - DOLIT32; - len -= 32; - } - while (len >= 4) { - DOLIT4; - len -= 4; - } - buf = (const unsigned char FAR *)buf4; - - if (len) do { - c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8); - } while (--len); - c = ~c; - return (unsigned long)c; -} - -/* ========================================================================= */ -#define DOBIG4 c ^= *++buf4; \ - c = crc_table[4][c & 0xff] ^ crc_table[5][(c >> 8) & 0xff] ^ \ - crc_table[6][(c >> 16) & 0xff] ^ crc_table[7][c >> 24] -#define DOBIG32 DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4 - -/* ========================================================================= */ -local unsigned long crc32_big(crc, buf, len) - unsigned long crc; - const unsigned char FAR *buf; - unsigned len; -{ - register u4 c; - register const u4 FAR *buf4; - - c = REV((u4)crc); - c = ~c; - while (len && ((ptrdiff_t)buf & 3)) { - c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); - len--; - } - - buf4 = (const u4 FAR *)(const void FAR *)buf; - buf4--; - while (len >= 32) { - DOBIG32; - len -= 32; - } - while (len >= 4) { - DOBIG4; - len -= 4; - } - buf4++; - buf = (const unsigned char FAR *)buf4; - - if (len) do { - c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); - } while (--len); - c = ~c; - return (unsigned long)(REV(c)); -} - -#endif /* BYFOUR */ - -#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */ - -/* ========================================================================= */ -local unsigned long gf2_matrix_times(mat, vec) - unsigned long *mat; - unsigned long vec; -{ - unsigned long sum; - - sum = 0; - while (vec) { - if (vec & 1) - sum ^= *mat; - vec >>= 1; - mat++; - } - return sum; -} - -/* ========================================================================= */ -local void gf2_matrix_square(square, mat) - unsigned long *square; - unsigned long *mat; -{ - int n; - - for (n = 0; n < GF2_DIM; n++) - square[n] = gf2_matrix_times(mat, mat[n]); -} - -/* ========================================================================= */ -local uLong crc32_combine_(crc1, crc2, len2) - uLong crc1; - uLong crc2; - z_off64_t len2; -{ - int n; - unsigned long row; - unsigned long even[GF2_DIM]; /* even-power-of-two zeros operator */ - unsigned long odd[GF2_DIM]; /* odd-power-of-two zeros operator */ - - /* degenerate case (also disallow negative lengths) */ - if (len2 <= 0) - return crc1; - - /* put operator for one zero bit in odd */ - odd[0] = 0xedb88320UL; /* CRC-32 polynomial */ - row = 1; - for (n = 1; n < GF2_DIM; n++) { - odd[n] = row; - row <<= 1; - } - - /* put operator for two zero bits in even */ - gf2_matrix_square(even, odd); - - /* put operator for four zero bits in odd */ - gf2_matrix_square(odd, even); - - /* apply len2 zeros to crc1 (first square will put the operator for one - zero byte, eight zero bits, in even) */ - do { - /* apply zeros operator for this bit of len2 */ - gf2_matrix_square(even, odd); - if (len2 & 1) - crc1 = gf2_matrix_times(even, crc1); - len2 >>= 1; - - /* if no more bits set, then done */ - if (len2 == 0) - break; - - /* another iteration of the loop with odd and even swapped */ - gf2_matrix_square(odd, even); - if (len2 & 1) - crc1 = gf2_matrix_times(odd, crc1); - len2 >>= 1; - - /* if no more bits set, then done */ - } while (len2 != 0); - - /* return combined crc */ - crc1 ^= crc2; - return crc1; -} - -/* ========================================================================= */ -uLong ZEXPORT crc32_combine(crc1, crc2, len2) - uLong crc1; - uLong crc2; - z_off_t len2; -{ - return crc32_combine_(crc1, crc2, len2); -} - -uLong ZEXPORT crc32_combine64(crc1, crc2, len2) - uLong crc1; - uLong crc2; - z_off64_t len2; -{ - return crc32_combine_(crc1, crc2, len2); -} diff --git a/common/zlib/crc32.h b/common/zlib/crc32.h deleted file mode 100644 index 8053b611..00000000 --- a/common/zlib/crc32.h +++ /dev/null @@ -1,441 +0,0 @@ -/* crc32.h -- tables for rapid CRC calculation - * Generated automatically by crc32.c - */ - -local const unsigned long FAR crc_table[TBLS][256] = -{ - { - 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, - 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, - 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, - 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, - 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, - 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, - 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, - 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, - 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, - 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, - 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, - 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, - 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, - 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, - 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, - 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, - 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, - 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, - 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, - 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, - 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, - 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, - 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, - 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, - 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, - 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, - 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, - 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, - 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, - 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, - 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, - 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, - 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, - 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, - 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, - 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, - 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, - 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, - 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, - 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, - 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, - 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, - 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, - 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, - 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, - 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, - 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, - 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, - 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, - 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, - 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, - 0x2d02ef8dUL -#ifdef BYFOUR - }, - { - 0x00000000UL, 0x191b3141UL, 0x32366282UL, 0x2b2d53c3UL, 0x646cc504UL, - 0x7d77f445UL, 0x565aa786UL, 0x4f4196c7UL, 0xc8d98a08UL, 0xd1c2bb49UL, - 0xfaefe88aUL, 0xe3f4d9cbUL, 0xacb54f0cUL, 0xb5ae7e4dUL, 0x9e832d8eUL, - 0x87981ccfUL, 0x4ac21251UL, 0x53d92310UL, 0x78f470d3UL, 0x61ef4192UL, - 0x2eaed755UL, 0x37b5e614UL, 0x1c98b5d7UL, 0x05838496UL, 0x821b9859UL, - 0x9b00a918UL, 0xb02dfadbUL, 0xa936cb9aUL, 0xe6775d5dUL, 0xff6c6c1cUL, - 0xd4413fdfUL, 0xcd5a0e9eUL, 0x958424a2UL, 0x8c9f15e3UL, 0xa7b24620UL, - 0xbea97761UL, 0xf1e8e1a6UL, 0xe8f3d0e7UL, 0xc3de8324UL, 0xdac5b265UL, - 0x5d5daeaaUL, 0x44469febUL, 0x6f6bcc28UL, 0x7670fd69UL, 0x39316baeUL, - 0x202a5aefUL, 0x0b07092cUL, 0x121c386dUL, 0xdf4636f3UL, 0xc65d07b2UL, - 0xed705471UL, 0xf46b6530UL, 0xbb2af3f7UL, 0xa231c2b6UL, 0x891c9175UL, - 0x9007a034UL, 0x179fbcfbUL, 0x0e848dbaUL, 0x25a9de79UL, 0x3cb2ef38UL, - 0x73f379ffUL, 0x6ae848beUL, 0x41c51b7dUL, 0x58de2a3cUL, 0xf0794f05UL, - 0xe9627e44UL, 0xc24f2d87UL, 0xdb541cc6UL, 0x94158a01UL, 0x8d0ebb40UL, - 0xa623e883UL, 0xbf38d9c2UL, 0x38a0c50dUL, 0x21bbf44cUL, 0x0a96a78fUL, - 0x138d96ceUL, 0x5ccc0009UL, 0x45d73148UL, 0x6efa628bUL, 0x77e153caUL, - 0xbabb5d54UL, 0xa3a06c15UL, 0x888d3fd6UL, 0x91960e97UL, 0xded79850UL, - 0xc7cca911UL, 0xece1fad2UL, 0xf5facb93UL, 0x7262d75cUL, 0x6b79e61dUL, - 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0x546044b4UL, 0x3107f80cUL, 0xdfa84d1eUL, 0xbacff1a6UL, 0xecdf92feUL, - 0x89b82e46UL, 0x67179b54UL, 0x027027ecUL, 0xbb48f071UL, 0xde2f4cc9UL, - 0x3080f9dbUL, 0x55e74563UL, 0x9ca03f6bUL, 0xf9c783d3UL, 0x176836c1UL, - 0x720f8a79UL, 0xcb375de4UL, 0xae50e15cUL, 0x40ff544eUL, 0x2598e8f6UL, - 0x73888baeUL, 0x16ef3716UL, 0xf8408204UL, 0x9d273ebcUL, 0x241fe921UL, - 0x41785599UL, 0xafd7e08bUL, 0xcab05c33UL, 0x3bb659edUL, 0x5ed1e555UL, - 0xb07e5047UL, 0xd519ecffUL, 0x6c213b62UL, 0x094687daUL, 0xe7e932c8UL, - 0x828e8e70UL, 0xd49eed28UL, 0xb1f95190UL, 0x5f56e482UL, 0x3a31583aUL, - 0x83098fa7UL, 0xe66e331fUL, 0x08c1860dUL, 0x6da63ab5UL, 0xa4e140bdUL, - 0xc186fc05UL, 0x2f294917UL, 0x4a4ef5afUL, 0xf3762232UL, 0x96119e8aUL, - 0x78be2b98UL, 0x1dd99720UL, 0x4bc9f478UL, 0x2eae48c0UL, 0xc001fdd2UL, - 0xa566416aUL, 0x1c5e96f7UL, 0x79392a4fUL, 0x97969f5dUL, 0xf2f123e5UL, - 0x05196b4dUL, 0x607ed7f5UL, 0x8ed162e7UL, 0xebb6de5fUL, 0x528e09c2UL, - 0x37e9b57aUL, 0xd9460068UL, 0xbc21bcd0UL, 0xea31df88UL, 0x8f566330UL, - 0x61f9d622UL, 0x049e6a9aUL, 0xbda6bd07UL, 0xd8c101bfUL, 0x366eb4adUL, - 0x53090815UL, 0x9a4e721dUL, 0xff29cea5UL, 0x11867bb7UL, 0x74e1c70fUL, - 0xcdd91092UL, 0xa8beac2aUL, 0x46111938UL, 0x2376a580UL, 0x7566c6d8UL, - 0x10017a60UL, 0xfeaecf72UL, 0x9bc973caUL, 0x22f1a457UL, 0x479618efUL, - 0xa939adfdUL, 0xcc5e1145UL, 0x06ee4d76UL, 0x6389f1ceUL, 0x8d2644dcUL, - 0xe841f864UL, 0x51792ff9UL, 0x341e9341UL, 0xdab12653UL, 0xbfd69aebUL, - 0xe9c6f9b3UL, 0x8ca1450bUL, 0x620ef019UL, 0x07694ca1UL, 0xbe519b3cUL, - 0xdb362784UL, 0x35999296UL, 0x50fe2e2eUL, 0x99b95426UL, 0xfcdee89eUL, - 0x12715d8cUL, 0x7716e134UL, 0xce2e36a9UL, 0xab498a11UL, 0x45e63f03UL, - 0x208183bbUL, 0x7691e0e3UL, 0x13f65c5bUL, 0xfd59e949UL, 0x983e55f1UL, - 0x2106826cUL, 0x44613ed4UL, 0xaace8bc6UL, 0xcfa9377eUL, 0x38417fd6UL, - 0x5d26c36eUL, 0xb389767cUL, 0xd6eecac4UL, 0x6fd61d59UL, 0x0ab1a1e1UL, - 0xe41e14f3UL, 0x8179a84bUL, 0xd769cb13UL, 0xb20e77abUL, 0x5ca1c2b9UL, - 0x39c67e01UL, 0x80fea99cUL, 0xe5991524UL, 0x0b36a036UL, 0x6e511c8eUL, - 0xa7166686UL, 0xc271da3eUL, 0x2cde6f2cUL, 0x49b9d394UL, 0xf0810409UL, - 0x95e6b8b1UL, 0x7b490da3UL, 0x1e2eb11bUL, 0x483ed243UL, 0x2d596efbUL, - 0xc3f6dbe9UL, 0xa6916751UL, 0x1fa9b0ccUL, 0x7ace0c74UL, 0x9461b966UL, - 0xf10605deUL -#endif - } -}; diff --git a/common/zlib/deflate.c b/common/zlib/deflate.c deleted file mode 100644 index 5c4022f3..00000000 --- a/common/zlib/deflate.c +++ /dev/null @@ -1,1834 +0,0 @@ -/* deflate.c -- compress data using the deflation algorithm - * Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - * ALGORITHM - * - * The "deflation" process depends on being able to identify portions - * of the input text which are identical to earlier input (within a - * sliding window trailing behind the input currently being processed). - * - * The most straightforward technique turns out to be the fastest for - * most input files: try all possible matches and select the longest. - * The key feature of this algorithm is that insertions into the string - * dictionary are very simple and thus fast, and deletions are avoided - * completely. Insertions are performed at each input character, whereas - * string matches are performed only when the previous match ends. So it - * is preferable to spend more time in matches to allow very fast string - * insertions and avoid deletions. The matching algorithm for small - * strings is inspired from that of Rabin & Karp. A brute force approach - * is used to find longer strings when a small match has been found. - * A similar algorithm is used in comic (by Jan-Mark Wams) and freeze - * (by Leonid Broukhis). - * A previous version of this file used a more sophisticated algorithm - * (by Fiala and Greene) which is guaranteed to run in linear amortized - * time, but has a larger average cost, uses more memory and is patented. - * However the F&G algorithm may be faster for some highly redundant - * files if the parameter max_chain_length (described below) is too large. - * - * ACKNOWLEDGEMENTS - * - * The idea of lazy evaluation of matches is due to Jan-Mark Wams, and - * I found it in 'freeze' written by Leonid Broukhis. - * Thanks to many people for bug reports and testing. - * - * REFERENCES - * - * Deutsch, L.P.,"DEFLATE Compressed Data Format Specification". - * Available in http://www.ietf.org/rfc/rfc1951.txt - * - * A description of the Rabin and Karp algorithm is given in the book - * "Algorithms" by R. Sedgewick, Addison-Wesley, p252. - * - * Fiala,E.R., and Greene,D.H. - * Data Compression with Finite Windows, Comm.ACM, 32,4 (1989) 490-595 - * - */ - -/* @(#) $Id$ */ - -#include "deflate.h" - -const char deflate_copyright[] = - " deflate 1.2.5 Copyright 1995-2010 Jean-loup Gailly and Mark Adler "; -/* - If you use the zlib library in a product, an acknowledgment is welcome - in the documentation of your product. If for some reason you cannot - include such an acknowledgment, I would appreciate that you keep this - copyright string in the executable of your product. - */ - -/* =========================================================================== - * Function prototypes. - */ -typedef enum { - need_more, /* block not completed, need more input or more output */ - block_done, /* block flush performed */ - finish_started, /* finish started, need only more output at next deflate */ - finish_done /* finish done, accept no more input or output */ -} block_state; - -typedef block_state (*compress_func) OF((deflate_state *s, int flush)); -/* Compression function. Returns the block state after the call. */ - -local void fill_window OF((deflate_state *s)); -local block_state deflate_stored OF((deflate_state *s, int flush)); -local block_state deflate_fast OF((deflate_state *s, int flush)); -#ifndef FASTEST -local block_state deflate_slow OF((deflate_state *s, int flush)); -#endif -local block_state deflate_rle OF((deflate_state *s, int flush)); -local block_state deflate_huff OF((deflate_state *s, int flush)); -local void lm_init OF((deflate_state *s)); -local void putShortMSB OF((deflate_state *s, uInt b)); -local void flush_pending OF((z_streamp strm)); -local int read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); -#ifdef ASMV - void match_init OF((void)); /* asm code initialization */ - uInt longest_match OF((deflate_state *s, IPos cur_match)); -#else -local uInt longest_match OF((deflate_state *s, IPos cur_match)); -#endif - -#ifdef DEBUG -local void check_match OF((deflate_state *s, IPos start, IPos match, - int length)); -#endif - -/* =========================================================================== - * Local data - */ - -#define NIL 0 -/* Tail of hash chains */ - -#ifndef TOO_FAR -# define TOO_FAR 4096 -#endif -/* Matches of length 3 are discarded if their distance exceeds TOO_FAR */ - -/* Values for max_lazy_match, good_match and max_chain_length, depending on - * the desired pack level (0..9). The values given below have been tuned to - * exclude worst case performance for pathological files. Better values may be - * found for specific files. - */ -typedef struct config_s { - ush good_length; /* reduce lazy search above this match length */ - ush max_lazy; /* do not perform lazy search above this match length */ - ush nice_length; /* quit search above this match length */ - ush max_chain; - compress_func func; -} config; - -#ifdef FASTEST -local const config configuration_table[2] = { -/* good lazy nice chain */ -/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ -/* 1 */ {4, 4, 8, 4, deflate_fast}}; /* max speed, no lazy matches */ -#else -local const config configuration_table[10] = { -/* good lazy nice chain */ -/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ -/* 1 */ {4, 4, 8, 4, deflate_fast}, /* max speed, no lazy matches */ -/* 2 */ {4, 5, 16, 8, deflate_fast}, -/* 3 */ {4, 6, 32, 32, deflate_fast}, - -/* 4 */ {4, 4, 16, 16, deflate_slow}, /* lazy matches */ -/* 5 */ {8, 16, 32, 32, deflate_slow}, -/* 6 */ {8, 16, 128, 128, deflate_slow}, -/* 7 */ {8, 32, 128, 256, deflate_slow}, -/* 8 */ {32, 128, 258, 1024, deflate_slow}, -/* 9 */ {32, 258, 258, 4096, deflate_slow}}; /* max compression */ -#endif - -/* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4 - * For deflate_fast() (levels <= 3) good is ignored and lazy has a different - * meaning. - */ - -#define EQUAL 0 -/* result of memcmp for equal strings */ - -#ifndef NO_DUMMY_DECL -struct static_tree_desc_s {int dummy;}; /* for buggy compilers */ -#endif - -/* =========================================================================== - * Update a hash value with the given input byte - * IN assertion: all calls to to UPDATE_HASH are made with consecutive - * input characters, so that a running hash key can be computed from the - * previous key instead of complete recalculation each time. - */ -#define UPDATE_HASH(s,h,c) (h = (((h)<<s->hash_shift) ^ (c)) & s->hash_mask) - - -/* =========================================================================== - * Insert string str in the dictionary and set match_head to the previous head - * of the hash chain (the most recent string with same hash key). Return - * the previous length of the hash chain. - * If this file is compiled with -DFASTEST, the compression level is forced - * to 1, and no hash chains are maintained. - * IN assertion: all calls to to INSERT_STRING are made with consecutive - * input characters and the first MIN_MATCH bytes of str are valid - * (except for the last MIN_MATCH-1 bytes of the input file). - */ -#ifdef FASTEST -#define INSERT_STRING(s, str, match_head) \ - (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ - match_head = s->head[s->ins_h], \ - s->head[s->ins_h] = (Pos)(str)) -#else -#define INSERT_STRING(s, str, match_head) \ - (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ - match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \ - s->head[s->ins_h] = (Pos)(str)) -#endif - -/* =========================================================================== - * Initialize the hash table (avoiding 64K overflow for 16 bit systems). - * prev[] will be initialized on the fly. - */ -#define CLEAR_HASH(s) \ - s->head[s->hash_size-1] = NIL; \ - zmemzero((Bytef *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head)); - -/* ========================================================================= */ -int ZEXPORT deflateInit_(strm, level, version, stream_size) - z_streamp strm; - int level; - const char *version; - int stream_size; -{ - return deflateInit2_(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, - Z_DEFAULT_STRATEGY, version, stream_size); - /* To do: ignore strm->next_in if we use it as window */ -} - -/* ========================================================================= */ -int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, - version, stream_size) - z_streamp strm; - int level; - int method; - int windowBits; - int memLevel; - int strategy; - const char *version; - int stream_size; -{ - deflate_state *s; - int wrap = 1; - static const char my_version[] = ZLIB_VERSION; - - ushf *overlay; - /* We overlay pending_buf and d_buf+l_buf. This works since the average - * output size for (length,distance) codes is <= 24 bits. - */ - - if (version == Z_NULL || version[0] != my_version[0] || - stream_size != sizeof(z_stream)) { - return Z_VERSION_ERROR; - } - if (strm == Z_NULL) return Z_STREAM_ERROR; - - strm->msg = Z_NULL; - if (strm->zalloc == (alloc_func)0) { - strm->zalloc = zcalloc; - strm->opaque = (voidpf)0; - } - if (strm->zfree == (free_func)0) strm->zfree = zcfree; - -#ifdef FASTEST - if (level != 0) level = 1; -#else - if (level == Z_DEFAULT_COMPRESSION) level = 6; -#endif - - if (windowBits < 0) { /* suppress zlib wrapper */ - wrap = 0; - windowBits = -windowBits; - } -#ifdef GZIP - else if (windowBits > 15) { - wrap = 2; /* write gzip wrapper instead */ - windowBits -= 16; - } -#endif - if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED || - windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || - strategy < 0 || strategy > Z_FIXED) { - return Z_STREAM_ERROR; - } - if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */ - s = (deflate_state *) ZALLOC(strm, 1, sizeof(deflate_state)); - if (s == Z_NULL) return Z_MEM_ERROR; - strm->state = (struct internal_state FAR *)s; - s->strm = strm; - - s->wrap = wrap; - s->gzhead = Z_NULL; - s->w_bits = windowBits; - s->w_size = 1 << s->w_bits; - s->w_mask = s->w_size - 1; - - s->hash_bits = memLevel + 7; - s->hash_size = 1 << s->hash_bits; - s->hash_mask = s->hash_size - 1; - s->hash_shift = ((s->hash_bits+MIN_MATCH-1)/MIN_MATCH); - - s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte)); - s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos)); - s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos)); - - s->high_water = 0; /* nothing written to s->window yet */ - - s->lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */ - - overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2); - s->pending_buf = (uchf *) overlay; - s->pending_buf_size = (ulg)s->lit_bufsize * (sizeof(ush)+2L); - - if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || - s->pending_buf == Z_NULL) { - s->status = FINISH_STATE; - strm->msg = (char*)ERR_MSG(Z_MEM_ERROR); - deflateEnd (strm); - return Z_MEM_ERROR; - } - s->d_buf = overlay + s->lit_bufsize/sizeof(ush); - s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize; - - s->level = level; - s->strategy = strategy; - s->method = (Byte)method; - - return deflateReset(strm); -} - -/* ========================================================================= */ -int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) - z_streamp strm; - const Bytef *dictionary; - uInt dictLength; -{ - deflate_state *s; - uInt length = dictLength; - uInt n; - IPos hash_head = 0; - - if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL || - strm->state->wrap == 2 || - (strm->state->wrap == 1 && strm->state->status != INIT_STATE)) - return Z_STREAM_ERROR; - - s = strm->state; - if (s->wrap) - strm->adler = adler32(strm->adler, dictionary, dictLength); - - if (length < MIN_MATCH) return Z_OK; - if (length > s->w_size) { - length = s->w_size; - dictionary += dictLength - length; /* use the tail of the dictionary */ - } - zmemcpy(s->window, dictionary, length); - s->strstart = length; - s->block_start = (long)length; - - /* Insert all strings in the hash table (except for the last two bytes). - * s->lookahead stays null, so s->ins_h will be recomputed at the next - * call of fill_window. - */ - s->ins_h = s->window[0]; - UPDATE_HASH(s, s->ins_h, s->window[1]); - for (n = 0; n <= length - MIN_MATCH; n++) { - INSERT_STRING(s, n, hash_head); - } - if (hash_head) hash_head = 0; /* to make compiler happy */ - return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflateReset (strm) - z_streamp strm; -{ - deflate_state *s; - - if (strm == Z_NULL || strm->state == Z_NULL || - strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) { - return Z_STREAM_ERROR; - } - - strm->total_in = strm->total_out = 0; - strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */ - strm->data_type = Z_UNKNOWN; - - s = (deflate_state *)strm->state; - s->pending = 0; - s->pending_out = s->pending_buf; - - if (s->wrap < 0) { - s->wrap = -s->wrap; /* was made negative by deflate(..., Z_FINISH); */ - } - s->status = s->wrap ? INIT_STATE : BUSY_STATE; - strm->adler = -#ifdef GZIP - s->wrap == 2 ? crc32(0L, Z_NULL, 0) : -#endif - adler32(0L, Z_NULL, 0); - s->last_flush = Z_NO_FLUSH; - - _tr_init(s); - lm_init(s); - - return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflateSetHeader (strm, head) - z_streamp strm; - gz_headerp head; -{ - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - if (strm->state->wrap != 2) return Z_STREAM_ERROR; - strm->state->gzhead = head; - return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflatePrime (strm, bits, value) - z_streamp strm; - int bits; - int value; -{ - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - strm->state->bi_valid = bits; - strm->state->bi_buf = (ush)(value & ((1 << bits) - 1)); - return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflateParams(strm, level, strategy) - z_streamp strm; - int level; - int strategy; -{ - deflate_state *s; - compress_func func; - int err = Z_OK; - - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - s = strm->state; - -#ifdef FASTEST - if (level != 0) level = 1; -#else - if (level == Z_DEFAULT_COMPRESSION) level = 6; -#endif - if (level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED) { - return Z_STREAM_ERROR; - } - func = configuration_table[s->level].func; - - if ((strategy != s->strategy || func != configuration_table[level].func) && - strm->total_in != 0) { - /* Flush the last buffer: */ - err = deflate(strm, Z_BLOCK); - } - if (s->level != level) { - s->level = level; - s->max_lazy_match = configuration_table[level].max_lazy; - s->good_match = configuration_table[level].good_length; - s->nice_match = configuration_table[level].nice_length; - s->max_chain_length = configuration_table[level].max_chain; - } - s->strategy = strategy; - return err; -} - -/* ========================================================================= */ -int ZEXPORT deflateTune(strm, good_length, max_lazy, nice_length, max_chain) - z_streamp strm; - int good_length; - int max_lazy; - int nice_length; - int max_chain; -{ - deflate_state *s; - - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - s = strm->state; - s->good_match = good_length; - s->max_lazy_match = max_lazy; - s->nice_match = nice_length; - s->max_chain_length = max_chain; - return Z_OK; -} - -/* ========================================================================= - * For the default windowBits of 15 and memLevel of 8, this function returns - * a close to exact, as well as small, upper bound on the compressed size. - * They are coded as constants here for a reason--if the #define's are - * changed, then this function needs to be changed as well. The return - * value for 15 and 8 only works for those exact settings. - * - * For any setting other than those defaults for windowBits and memLevel, - * the value returned is a conservative worst case for the maximum expansion - * resulting from using fixed blocks instead of stored blocks, which deflate - * can emit on compressed data for some combinations of the parameters. - * - * This function could be more sophisticated to provide closer upper bounds for - * every combination of windowBits and memLevel. But even the conservative - * upper bound of about 14% expansion does not seem onerous for output buffer - * allocation. - */ -uLong ZEXPORT deflateBound(strm, sourceLen) - z_streamp strm; - uLong sourceLen; -{ - deflate_state *s; - uLong complen, wraplen; - Bytef *str; - - /* conservative upper bound for compressed data */ - complen = sourceLen + - ((sourceLen + 7) >> 3) + ((sourceLen + 63) >> 6) + 5; - - /* if can't get parameters, return conservative bound plus zlib wrapper */ - if (strm == Z_NULL || strm->state == Z_NULL) - return complen + 6; - - /* compute wrapper length */ - s = strm->state; - switch (s->wrap) { - case 0: /* raw deflate */ - wraplen = 0; - break; - case 1: /* zlib wrapper */ - wraplen = 6 + (s->strstart ? 4 : 0); - break; - case 2: /* gzip wrapper */ - wraplen = 18; - if (s->gzhead != Z_NULL) { /* user-supplied gzip header */ - if (s->gzhead->extra != Z_NULL) - wraplen += 2 + s->gzhead->extra_len; - str = s->gzhead->name; - if (str != Z_NULL) - do { - wraplen++; - } while (*str++); - str = s->gzhead->comment; - if (str != Z_NULL) - do { - wraplen++; - } while (*str++); - if (s->gzhead->hcrc) - wraplen += 2; - } - break; - default: /* for compiler happiness */ - wraplen = 6; - } - - /* if not default parameters, return conservative bound */ - if (s->w_bits != 15 || s->hash_bits != 8 + 7) - return complen + wraplen; - - /* default settings: return tight bound for that case */ - return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + - (sourceLen >> 25) + 13 - 6 + wraplen; -} - -/* ========================================================================= - * Put a short in the pending buffer. The 16-bit value is put in MSB order. - * IN assertion: the stream state is correct and there is enough room in - * pending_buf. - */ -local void putShortMSB (s, b) - deflate_state *s; - uInt b; -{ - put_byte(s, (Byte)(b >> 8)); - put_byte(s, (Byte)(b & 0xff)); -} - -/* ========================================================================= - * Flush as much pending output as possible. All deflate() output goes - * through this function so some applications may wish to modify it - * to avoid allocating a large strm->next_out buffer and copying into it. - * (See also read_buf()). - */ -local void flush_pending(strm) - z_streamp strm; -{ - unsigned len = strm->state->pending; - - if (len > strm->avail_out) len = strm->avail_out; - if (len == 0) return; - - zmemcpy(strm->next_out, strm->state->pending_out, len); - strm->next_out += len; - strm->state->pending_out += len; - strm->total_out += len; - strm->avail_out -= len; - strm->state->pending -= len; - if (strm->state->pending == 0) { - strm->state->pending_out = strm->state->pending_buf; - } -} - -/* ========================================================================= */ -int ZEXPORT deflate (strm, flush) - z_streamp strm; - int flush; -{ - int old_flush; /* value of flush param for previous deflate call */ - deflate_state *s; - - if (strm == Z_NULL || strm->state == Z_NULL || - flush > Z_BLOCK || flush < 0) { - return Z_STREAM_ERROR; - } - s = strm->state; - - if (strm->next_out == Z_NULL || - (strm->next_in == Z_NULL && strm->avail_in != 0) || - (s->status == FINISH_STATE && flush != Z_FINISH)) { - ERR_RETURN(strm, Z_STREAM_ERROR); - } - if (strm->avail_out == 0) ERR_RETURN(strm, Z_BUF_ERROR); - - s->strm = strm; /* just in case */ - old_flush = s->last_flush; - s->last_flush = flush; - - /* Write the header */ - if (s->status == INIT_STATE) { -#ifdef GZIP - if (s->wrap == 2) { - strm->adler = crc32(0L, Z_NULL, 0); - put_byte(s, 31); - put_byte(s, 139); - put_byte(s, 8); - if (s->gzhead == Z_NULL) { - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, s->level == 9 ? 2 : - (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? - 4 : 0)); - put_byte(s, OS_CODE); - s->status = BUSY_STATE; - } - else { - put_byte(s, (s->gzhead->text ? 1 : 0) + - (s->gzhead->hcrc ? 2 : 0) + - (s->gzhead->extra == Z_NULL ? 0 : 4) + - (s->gzhead->name == Z_NULL ? 0 : 8) + - (s->gzhead->comment == Z_NULL ? 0 : 16) - ); - put_byte(s, (Byte)(s->gzhead->time & 0xff)); - put_byte(s, (Byte)((s->gzhead->time >> 8) & 0xff)); - put_byte(s, (Byte)((s->gzhead->time >> 16) & 0xff)); - put_byte(s, (Byte)((s->gzhead->time >> 24) & 0xff)); - put_byte(s, s->level == 9 ? 2 : - (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? - 4 : 0)); - put_byte(s, s->gzhead->os & 0xff); - if (s->gzhead->extra != Z_NULL) { - put_byte(s, s->gzhead->extra_len & 0xff); - put_byte(s, (s->gzhead->extra_len >> 8) & 0xff); - } - if (s->gzhead->hcrc) - strm->adler = crc32(strm->adler, s->pending_buf, - s->pending); - s->gzindex = 0; - s->status = EXTRA_STATE; - } - } - else -#endif - { - uInt header = (Z_DEFLATED + ((s->w_bits-8)<<4)) << 8; - uInt level_flags; - - if (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2) - level_flags = 0; - else if (s->level < 6) - level_flags = 1; - else if (s->level == 6) - level_flags = 2; - else - level_flags = 3; - header |= (level_flags << 6); - if (s->strstart != 0) header |= PRESET_DICT; - header += 31 - (header % 31); - - s->status = BUSY_STATE; - putShortMSB(s, header); - - /* Save the adler32 of the preset dictionary: */ - if (s->strstart != 0) { - putShortMSB(s, (uInt)(strm->adler >> 16)); - putShortMSB(s, (uInt)(strm->adler & 0xffff)); - } - strm->adler = adler32(0L, Z_NULL, 0); - } - } -#ifdef GZIP - if (s->status == EXTRA_STATE) { - if (s->gzhead->extra != Z_NULL) { - uInt beg = s->pending; /* start of bytes to update crc */ - - while (s->gzindex < (s->gzhead->extra_len & 0xffff)) { - if (s->pending == s->pending_buf_size) { - if (s->gzhead->hcrc && s->pending > beg) - strm->adler = crc32(strm->adler, s->pending_buf + beg, - s->pending - beg); - flush_pending(strm); - beg = s->pending; - if (s->pending == s->pending_buf_size) - break; - } - put_byte(s, s->gzhead->extra[s->gzindex]); - s->gzindex++; - } - if (s->gzhead->hcrc && s->pending > beg) - strm->adler = crc32(strm->adler, s->pending_buf + beg, - s->pending - beg); - if (s->gzindex == s->gzhead->extra_len) { - s->gzindex = 0; - s->status = NAME_STATE; - } - } - else - s->status = NAME_STATE; - } - if (s->status == NAME_STATE) { - if (s->gzhead->name != Z_NULL) { - uInt beg = s->pending; /* start of bytes to update crc */ - int val; - - do { - if (s->pending == s->pending_buf_size) { - if (s->gzhead->hcrc && s->pending > beg) - strm->adler = crc32(strm->adler, s->pending_buf + beg, - s->pending - beg); - flush_pending(strm); - beg = s->pending; - if (s->pending == s->pending_buf_size) { - val = 1; - break; - } - } - val = s->gzhead->name[s->gzindex++]; - put_byte(s, val); - } while (val != 0); - if (s->gzhead->hcrc && s->pending > beg) - strm->adler = crc32(strm->adler, s->pending_buf + beg, - s->pending - beg); - if (val == 0) { - s->gzindex = 0; - s->status = COMMENT_STATE; - } - } - else - s->status = COMMENT_STATE; - } - if (s->status == COMMENT_STATE) { - if (s->gzhead->comment != Z_NULL) { - uInt beg = s->pending; /* start of bytes to update crc */ - int val; - - do { - if (s->pending == s->pending_buf_size) { - if (s->gzhead->hcrc && s->pending > beg) - strm->adler = crc32(strm->adler, s->pending_buf + beg, - s->pending - beg); - flush_pending(strm); - beg = s->pending; - if (s->pending == s->pending_buf_size) { - val = 1; - break; - } - } - val = s->gzhead->comment[s->gzindex++]; - put_byte(s, val); - } while (val != 0); - if (s->gzhead->hcrc && s->pending > beg) - strm->adler = crc32(strm->adler, s->pending_buf + beg, - s->pending - beg); - if (val == 0) - s->status = HCRC_STATE; - } - else - s->status = HCRC_STATE; - } - if (s->status == HCRC_STATE) { - if (s->gzhead->hcrc) { - if (s->pending + 2 > s->pending_buf_size) - flush_pending(strm); - if (s->pending + 2 <= s->pending_buf_size) { - put_byte(s, (Byte)(strm->adler & 0xff)); - put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); - strm->adler = crc32(0L, Z_NULL, 0); - s->status = BUSY_STATE; - } - } - else - s->status = BUSY_STATE; - } -#endif - - /* Flush as much pending output as possible */ - if (s->pending != 0) { - flush_pending(strm); - if (strm->avail_out == 0) { - /* Since avail_out is 0, deflate will be called again with - * more output space, but possibly with both pending and - * avail_in equal to zero. There won't be anything to do, - * but this is not an error situation so make sure we - * return OK instead of BUF_ERROR at next call of deflate: - */ - s->last_flush = -1; - return Z_OK; - } - - /* Make sure there is something to do and avoid duplicate consecutive - * flushes. For repeated and useless calls with Z_FINISH, we keep - * returning Z_STREAM_END instead of Z_BUF_ERROR. - */ - } else if (strm->avail_in == 0 && flush <= old_flush && - flush != Z_FINISH) { - ERR_RETURN(strm, Z_BUF_ERROR); - } - - /* User must not provide more input after the first FINISH: */ - if (s->status == FINISH_STATE && strm->avail_in != 0) { - ERR_RETURN(strm, Z_BUF_ERROR); - } - - /* Start a new block or continue the current one. - */ - if (strm->avail_in != 0 || s->lookahead != 0 || - (flush != Z_NO_FLUSH && s->status != FINISH_STATE)) { - block_state bstate; - - bstate = s->strategy == Z_HUFFMAN_ONLY ? deflate_huff(s, flush) : - (s->strategy == Z_RLE ? deflate_rle(s, flush) : - (*(configuration_table[s->level].func))(s, flush)); - - if (bstate == finish_started || bstate == finish_done) { - s->status = FINISH_STATE; - } - if (bstate == need_more || bstate == finish_started) { - if (strm->avail_out == 0) { - s->last_flush = -1; /* avoid BUF_ERROR next call, see above */ - } - return Z_OK; - /* If flush != Z_NO_FLUSH && avail_out == 0, the next call - * of deflate should use the same flush parameter to make sure - * that the flush is complete. So we don't have to output an - * empty block here, this will be done at next call. This also - * ensures that for a very small output buffer, we emit at most - * one empty block. - */ - } - if (bstate == block_done) { - if (flush == Z_PARTIAL_FLUSH) { - _tr_align(s); - } else if (flush != Z_BLOCK) { /* FULL_FLUSH or SYNC_FLUSH */ - _tr_stored_block(s, (char*)0, 0L, 0); - /* For a full flush, this empty block will be recognized - * as a special marker by inflate_sync(). - */ - if (flush == Z_FULL_FLUSH) { - CLEAR_HASH(s); /* forget history */ - if (s->lookahead == 0) { - s->strstart = 0; - s->block_start = 0L; - } - } - } - flush_pending(strm); - if (strm->avail_out == 0) { - s->last_flush = -1; /* avoid BUF_ERROR at next call, see above */ - return Z_OK; - } - } - } - Assert(strm->avail_out > 0, "bug2"); - - if (flush != Z_FINISH) return Z_OK; - if (s->wrap <= 0) return Z_STREAM_END; - - /* Write the trailer */ -#ifdef GZIP - if (s->wrap == 2) { - put_byte(s, (Byte)(strm->adler & 0xff)); - put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); - put_byte(s, (Byte)((strm->adler >> 16) & 0xff)); - put_byte(s, (Byte)((strm->adler >> 24) & 0xff)); - put_byte(s, (Byte)(strm->total_in & 0xff)); - put_byte(s, (Byte)((strm->total_in >> 8) & 0xff)); - put_byte(s, (Byte)((strm->total_in >> 16) & 0xff)); - put_byte(s, (Byte)((strm->total_in >> 24) & 0xff)); - } - else -#endif - { - putShortMSB(s, (uInt)(strm->adler >> 16)); - putShortMSB(s, (uInt)(strm->adler & 0xffff)); - } - flush_pending(strm); - /* If avail_out is zero, the application will call deflate again - * to flush the rest. - */ - if (s->wrap > 0) s->wrap = -s->wrap; /* write the trailer only once! */ - return s->pending != 0 ? Z_OK : Z_STREAM_END; -} - -/* ========================================================================= */ -int ZEXPORT deflateEnd (strm) - z_streamp strm; -{ - int status; - - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - - status = strm->state->status; - if (status != INIT_STATE && - status != EXTRA_STATE && - status != NAME_STATE && - status != COMMENT_STATE && - status != HCRC_STATE && - status != BUSY_STATE && - status != FINISH_STATE) { - return Z_STREAM_ERROR; - } - - /* Deallocate in reverse order of allocations: */ - TRY_FREE(strm, strm->state->pending_buf); - TRY_FREE(strm, strm->state->head); - TRY_FREE(strm, strm->state->prev); - TRY_FREE(strm, strm->state->window); - - ZFREE(strm, strm->state); - strm->state = Z_NULL; - - return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK; -} - -/* ========================================================================= - * Copy the source state to the destination state. - * To simplify the source, this is not supported for 16-bit MSDOS (which - * doesn't have enough memory anyway to duplicate compression states). - */ -int ZEXPORT deflateCopy (dest, source) - z_streamp dest; - z_streamp source; -{ -#ifdef MAXSEG_64K - return Z_STREAM_ERROR; -#else - deflate_state *ds; - deflate_state *ss; - ushf *overlay; - - - if (source == Z_NULL || dest == Z_NULL || source->state == Z_NULL) { - return Z_STREAM_ERROR; - } - - ss = source->state; - - zmemcpy(dest, source, sizeof(z_stream)); - - ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state)); - if (ds == Z_NULL) return Z_MEM_ERROR; - dest->state = (struct internal_state FAR *) ds; - zmemcpy(ds, ss, sizeof(deflate_state)); - ds->strm = dest; - - ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); - ds->prev = (Posf *) ZALLOC(dest, ds->w_size, sizeof(Pos)); - ds->head = (Posf *) ZALLOC(dest, ds->hash_size, sizeof(Pos)); - overlay = (ushf *) ZALLOC(dest, ds->lit_bufsize, sizeof(ush)+2); - ds->pending_buf = (uchf *) overlay; - - if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL || - ds->pending_buf == Z_NULL) { - deflateEnd (dest); - return Z_MEM_ERROR; - } - /* following zmemcpy do not work for 16-bit MSDOS */ - zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte)); - zmemcpy(ds->prev, ss->prev, ds->w_size * sizeof(Pos)); - zmemcpy(ds->head, ss->head, ds->hash_size * sizeof(Pos)); - zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size); - - ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf); - ds->d_buf = overlay + ds->lit_bufsize/sizeof(ush); - ds->l_buf = ds->pending_buf + (1+sizeof(ush))*ds->lit_bufsize; - - ds->l_desc.dyn_tree = ds->dyn_ltree; - ds->d_desc.dyn_tree = ds->dyn_dtree; - ds->bl_desc.dyn_tree = ds->bl_tree; - - return Z_OK; -#endif /* MAXSEG_64K */ -} - -/* =========================================================================== - * Read a new buffer from the current input stream, update the adler32 - * and total number of bytes read. All deflate() input goes through - * this function so some applications may wish to modify it to avoid - * allocating a large strm->next_in buffer and copying from it. - * (See also flush_pending()). - */ -local int read_buf(strm, buf, size) - z_streamp strm; - Bytef *buf; - unsigned size; -{ - unsigned len = strm->avail_in; - - if (len > size) len = size; - if (len == 0) return 0; - - strm->avail_in -= len; - - if (strm->state->wrap == 1) { - strm->adler = adler32(strm->adler, strm->next_in, len); - } -#ifdef GZIP - else if (strm->state->wrap == 2) { - strm->adler = crc32(strm->adler, strm->next_in, len); - } -#endif - zmemcpy(buf, strm->next_in, len); - strm->next_in += len; - strm->total_in += len; - - return (int)len; -} - -/* =========================================================================== - * Initialize the "longest match" routines for a new zlib stream - */ -local void lm_init (s) - deflate_state *s; -{ - s->window_size = (ulg)2L*s->w_size; - - CLEAR_HASH(s); - - /* Set the default configuration parameters: - */ - s->max_lazy_match = configuration_table[s->level].max_lazy; - s->good_match = configuration_table[s->level].good_length; - s->nice_match = configuration_table[s->level].nice_length; - s->max_chain_length = configuration_table[s->level].max_chain; - - s->strstart = 0; - s->block_start = 0L; - s->lookahead = 0; - s->match_length = s->prev_length = MIN_MATCH-1; - s->match_available = 0; - s->ins_h = 0; -#ifndef FASTEST -#ifdef ASMV - match_init(); /* initialize the asm code */ -#endif -#endif -} - -#ifndef FASTEST -/* =========================================================================== - * Set match_start to the longest match starting at the given string and - * return its length. Matches shorter or equal to prev_length are discarded, - * in which case the result is equal to prev_length and match_start is - * garbage. - * IN assertions: cur_match is the head of the hash chain for the current - * string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1 - * OUT assertion: the match length is not greater than s->lookahead. - */ -#ifndef ASMV -/* For 80x86 and 680x0, an optimized version will be provided in match.asm or - * match.S. The code will be functionally equivalent. - */ -local uInt longest_match(s, cur_match) - deflate_state *s; - IPos cur_match; /* current match */ -{ - unsigned chain_length = s->max_chain_length;/* max hash chain length */ - register Bytef *scan = s->window + s->strstart; /* current string */ - register Bytef *match; /* matched string */ - register int len; /* length of current match */ - int best_len = s->prev_length; /* best match length so far */ - int nice_match = s->nice_match; /* stop if match long enough */ - IPos limit = s->strstart > (IPos)MAX_DIST(s) ? - s->strstart - (IPos)MAX_DIST(s) : NIL; - /* Stop when cur_match becomes <= limit. To simplify the code, - * we prevent matches with the string of window index 0. - */ - Posf *prev = s->prev; - uInt wmask = s->w_mask; - -#ifdef UNALIGNED_OK - /* Compare two bytes at a time. Note: this is not always beneficial. - * Try with and without -DUNALIGNED_OK to check. - */ - register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1; - register ush scan_start = *(ushf*)scan; - register ush scan_end = *(ushf*)(scan+best_len-1); -#else - register Bytef *strend = s->window + s->strstart + MAX_MATCH; - register Byte scan_end1 = scan[best_len-1]; - register Byte scan_end = scan[best_len]; -#endif - - /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. - * It is easy to get rid of this optimization if necessary. - */ - Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); - - /* Do not waste too much time if we already have a good match: */ - if (s->prev_length >= s->good_match) { - chain_length >>= 2; - } - /* Do not look for matches beyond the end of the input. This is necessary - * to make deflate deterministic. - */ - if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; - - Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead"); - - do { - Assert(cur_match < s->strstart, "no future"); - match = s->window + cur_match; - - /* Skip to next match if the match length cannot increase - * or if the match length is less than 2. Note that the checks below - * for insufficient lookahead only occur occasionally for performance - * reasons. Therefore uninitialized memory will be accessed, and - * conditional jumps will be made that depend on those values. - * However the length of the match is limited to the lookahead, so - * the output of deflate is not affected by the uninitialized values. - */ -#if (defined(UNALIGNED_OK) && MAX_MATCH == 258) - /* This code assumes sizeof(unsigned short) == 2. Do not use - * UNALIGNED_OK if your compiler uses a different size. - */ - if (*(ushf*)(match+best_len-1) != scan_end || - *(ushf*)match != scan_start) continue; - - /* It is not necessary to compare scan[2] and match[2] since they are - * always equal when the other bytes match, given that the hash keys - * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at - * strstart+3, +5, ... up to strstart+257. We check for insufficient - * lookahead only every 4th comparison; the 128th check will be made - * at strstart+257. If MAX_MATCH-2 is not a multiple of 8, it is - * necessary to put more guard bytes at the end of the window, or - * to check more often for insufficient lookahead. - */ - Assert(scan[2] == match[2], "scan[2]?"); - scan++, match++; - do { - } while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) && - *(ushf*)(scan+=2) == *(ushf*)(match+=2) && - *(ushf*)(scan+=2) == *(ushf*)(match+=2) && - *(ushf*)(scan+=2) == *(ushf*)(match+=2) && - scan < strend); - /* The funny "do {}" generates better code on most compilers */ - - /* Here, scan <= window+strstart+257 */ - Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); - if (*scan == *match) scan++; - - len = (MAX_MATCH - 1) - (int)(strend-scan); - scan = strend - (MAX_MATCH-1); - -#else /* UNALIGNED_OK */ - - if (match[best_len] != scan_end || - match[best_len-1] != scan_end1 || - *match != *scan || - *++match != scan[1]) continue; - - /* The check at best_len-1 can be removed because it will be made - * again later. (This heuristic is not always a win.) - * It is not necessary to compare scan[2] and match[2] since they - * are always equal when the other bytes match, given that - * the hash keys are equal and that HASH_BITS >= 8. - */ - scan += 2, match++; - Assert(*scan == *match, "match[2]?"); - - /* We check for insufficient lookahead only every 8th comparison; - * the 256th check will be made at strstart+258. - */ - do { - } while (*++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - scan < strend); - - Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); - - len = MAX_MATCH - (int)(strend - scan); - scan = strend - MAX_MATCH; - -#endif /* UNALIGNED_OK */ - - if (len > best_len) { - s->match_start = cur_match; - best_len = len; - if (len >= nice_match) break; -#ifdef UNALIGNED_OK - scan_end = *(ushf*)(scan+best_len-1); -#else - scan_end1 = scan[best_len-1]; - scan_end = scan[best_len]; -#endif - } - } while ((cur_match = prev[cur_match & wmask]) > limit - && --chain_length != 0); - - if ((uInt)best_len <= s->lookahead) return (uInt)best_len; - return s->lookahead; -} -#endif /* ASMV */ - -#else /* FASTEST */ - -/* --------------------------------------------------------------------------- - * Optimized version for FASTEST only - */ -local uInt longest_match(s, cur_match) - deflate_state *s; - IPos cur_match; /* current match */ -{ - register Bytef *scan = s->window + s->strstart; /* current string */ - register Bytef *match; /* matched string */ - register int len; /* length of current match */ - register Bytef *strend = s->window + s->strstart + MAX_MATCH; - - /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. - * It is easy to get rid of this optimization if necessary. - */ - Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); - - Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead"); - - Assert(cur_match < s->strstart, "no future"); - - match = s->window + cur_match; - - /* Return failure if the match length is less than 2: - */ - if (match[0] != scan[0] || match[1] != scan[1]) return MIN_MATCH-1; - - /* The check at best_len-1 can be removed because it will be made - * again later. (This heuristic is not always a win.) - * It is not necessary to compare scan[2] and match[2] since they - * are always equal when the other bytes match, given that - * the hash keys are equal and that HASH_BITS >= 8. - */ - scan += 2, match += 2; - Assert(*scan == *match, "match[2]?"); - - /* We check for insufficient lookahead only every 8th comparison; - * the 256th check will be made at strstart+258. - */ - do { - } while (*++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - scan < strend); - - Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); - - len = MAX_MATCH - (int)(strend - scan); - - if (len < MIN_MATCH) return MIN_MATCH - 1; - - s->match_start = cur_match; - return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead; -} - -#endif /* FASTEST */ - -#ifdef DEBUG -/* =========================================================================== - * Check that the match at match_start is indeed a match. - */ -local void check_match(s, start, match, length) - deflate_state *s; - IPos start, match; - int length; -{ - /* check that the match is indeed a match */ - if (zmemcmp(s->window + match, - s->window + start, length) != EQUAL) { - fprintf(stderr, " start %u, match %u, length %d\n", - start, match, length); - do { - fprintf(stderr, "%c%c", s->window[match++], s->window[start++]); - } while (--length != 0); - z_error("invalid match"); - } - if (z_verbose > 1) { - fprintf(stderr,"\\[%d,%d]", start-match, length); - do { putc(s->window[start++], stderr); } while (--length != 0); - } -} -#else -# define check_match(s, start, match, length) -#endif /* DEBUG */ - -/* =========================================================================== - * Fill the window when the lookahead becomes insufficient. - * Updates strstart and lookahead. - * - * IN assertion: lookahead < MIN_LOOKAHEAD - * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD - * At least one byte has been read, or avail_in == 0; reads are - * performed for at least two bytes (required for the zip translate_eol - * option -- not supported here). - */ -local void fill_window(s) - deflate_state *s; -{ - register unsigned n, m; - register Posf *p; - unsigned more; /* Amount of free space at the end of the window. */ - uInt wsize = s->w_size; - - do { - more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); - - /* Deal with !@#$% 64K limit: */ - if (sizeof(int) <= 2) { - if (more == 0 && s->strstart == 0 && s->lookahead == 0) { - more = wsize; - - } else if (more == (unsigned)(-1)) { - /* Very unlikely, but possible on 16 bit machine if - * strstart == 0 && lookahead == 1 (input done a byte at time) - */ - more--; - } - } - - /* If the window is almost full and there is insufficient lookahead, - * move the upper half to the lower one to make room in the upper half. - */ - if (s->strstart >= wsize+MAX_DIST(s)) { - - zmemcpy(s->window, s->window+wsize, (unsigned)wsize); - s->match_start -= wsize; - s->strstart -= wsize; /* we now have strstart >= MAX_DIST */ - s->block_start -= (long) wsize; - - /* Slide the hash table (could be avoided with 32 bit values - at the expense of memory usage). We slide even when level == 0 - to keep the hash table consistent if we switch back to level > 0 - later. (Using level 0 permanently is not an optimal usage of - zlib, so we don't care about this pathological case.) - */ - n = s->hash_size; - p = &s->head[n]; - do { - m = *--p; - *p = (Pos)(m >= wsize ? m-wsize : NIL); - } while (--n); - - n = wsize; -#ifndef FASTEST - p = &s->prev[n]; - do { - m = *--p; - *p = (Pos)(m >= wsize ? m-wsize : NIL); - /* If n is not on any hash chain, prev[n] is garbage but - * its value will never be used. - */ - } while (--n); -#endif - more += wsize; - } - if (s->strm->avail_in == 0) return; - - /* If there was no sliding: - * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && - * more == window_size - lookahead - strstart - * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) - * => more >= window_size - 2*WSIZE + 2 - * In the BIG_MEM or MMAP case (not yet supported), - * window_size == input_size + MIN_LOOKAHEAD && - * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. - * Otherwise, window_size == 2*WSIZE so more >= 2. - * If there was sliding, more >= WSIZE. So in all cases, more >= 2. - */ - Assert(more >= 2, "more < 2"); - - n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more); - s->lookahead += n; - - /* Initialize the hash value now that we have some input: */ - if (s->lookahead >= MIN_MATCH) { - s->ins_h = s->window[s->strstart]; - UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]); -#if MIN_MATCH != 3 - Call UPDATE_HASH() MIN_MATCH-3 more times -#endif - } - /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, - * but this is not important since only literal bytes will be emitted. - */ - - } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0); - - /* If the WIN_INIT bytes after the end of the current data have never been - * written, then zero those bytes in order to avoid memory check reports of - * the use of uninitialized (or uninitialised as Julian writes) bytes by - * the longest match routines. Update the high water mark for the next - * time through here. WIN_INIT is set to MAX_MATCH since the longest match - * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead. - */ - if (s->high_water < s->window_size) { - ulg curr = s->strstart + (ulg)(s->lookahead); - ulg init; - - if (s->high_water < curr) { - /* Previous high water mark below current data -- zero WIN_INIT - * bytes or up to end of window, whichever is less. - */ - init = s->window_size - curr; - if (init > WIN_INIT) - init = WIN_INIT; - zmemzero(s->window + curr, (unsigned)init); - s->high_water = curr + init; - } - else if (s->high_water < (ulg)curr + WIN_INIT) { - /* High water mark at or above current data, but below current data - * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up - * to end of window, whichever is less. - */ - init = (ulg)curr + WIN_INIT - s->high_water; - if (init > s->window_size - s->high_water) - init = s->window_size - s->high_water; - zmemzero(s->window + s->high_water, (unsigned)init); - s->high_water += init; - } - } -} - -/* =========================================================================== - * Flush the current block, with given end-of-file flag. - * IN assertion: strstart is set to the end of the current match. - */ -#define FLUSH_BLOCK_ONLY(s, last) { \ - _tr_flush_block(s, (s->block_start >= 0L ? \ - (charf *)&s->window[(unsigned)s->block_start] : \ - (charf *)Z_NULL), \ - (ulg)((long)s->strstart - s->block_start), \ - (last)); \ - s->block_start = s->strstart; \ - flush_pending(s->strm); \ - Tracev((stderr,"[FLUSH]")); \ -} - -/* Same but force premature exit if necessary. */ -#define FLUSH_BLOCK(s, last) { \ - FLUSH_BLOCK_ONLY(s, last); \ - if (s->strm->avail_out == 0) return (last) ? finish_started : need_more; \ -} - -/* =========================================================================== - * Copy without compression as much as possible from the input stream, return - * the current block state. - * This function does not insert new strings in the dictionary since - * uncompressible data is probably not useful. This function is used - * only for the level=0 compression option. - * NOTE: this function should be optimized to avoid extra copying from - * window to pending_buf. - */ -local block_state deflate_stored(s, flush) - deflate_state *s; - int flush; -{ - /* Stored blocks are limited to 0xffff bytes, pending_buf is limited - * to pending_buf_size, and each stored block has a 5 byte header: - */ - ulg max_block_size = 0xffff; - ulg max_start; - - if (max_block_size > s->pending_buf_size - 5) { - max_block_size = s->pending_buf_size - 5; - } - - /* Copy as much as possible from input to output: */ - for (;;) { - /* Fill the window as much as possible: */ - if (s->lookahead <= 1) { - - Assert(s->strstart < s->w_size+MAX_DIST(s) || - s->block_start >= (long)s->w_size, "slide too late"); - - fill_window(s); - if (s->lookahead == 0 && flush == Z_NO_FLUSH) return need_more; - - if (s->lookahead == 0) break; /* flush the current block */ - } - Assert(s->block_start >= 0L, "block gone"); - - s->strstart += s->lookahead; - s->lookahead = 0; - - /* Emit a stored block if pending_buf will be full: */ - max_start = s->block_start + max_block_size; - if (s->strstart == 0 || (ulg)s->strstart >= max_start) { - /* strstart == 0 is possible when wraparound on 16-bit machine */ - s->lookahead = (uInt)(s->strstart - max_start); - s->strstart = (uInt)max_start; - FLUSH_BLOCK(s, 0); - } - /* Flush if we may have to slide, otherwise block_start may become - * negative and the data will be gone: - */ - if (s->strstart - (uInt)s->block_start >= MAX_DIST(s)) { - FLUSH_BLOCK(s, 0); - } - } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; -} - -/* =========================================================================== - * Compress as much as possible from the input stream, return the current - * block state. - * This function does not perform lazy evaluation of matches and inserts - * new strings in the dictionary only for unmatched strings or for short - * matches. It is used only for the fast compression options. - */ -local block_state deflate_fast(s, flush) - deflate_state *s; - int flush; -{ - IPos hash_head; /* head of the hash chain */ - int bflush; /* set if current block must be flushed */ - - for (;;) { - /* Make sure that we always have enough lookahead, except - * at the end of the input file. We need MAX_MATCH bytes - * for the next match, plus MIN_MATCH bytes to insert the - * string following the next match. - */ - if (s->lookahead < MIN_LOOKAHEAD) { - fill_window(s); - if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { - return need_more; - } - if (s->lookahead == 0) break; /* flush the current block */ - } - - /* Insert the string window[strstart .. strstart+2] in the - * dictionary, and set hash_head to the head of the hash chain: - */ - hash_head = NIL; - if (s->lookahead >= MIN_MATCH) { - INSERT_STRING(s, s->strstart, hash_head); - } - - /* Find the longest match, discarding those <= prev_length. - * At this point we have always match_length < MIN_MATCH - */ - if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) { - /* To simplify the code, we prevent matches with the string - * of window index 0 (in particular we have to avoid a match - * of the string with itself at the start of the input file). - */ - s->match_length = longest_match (s, hash_head); - /* longest_match() sets match_start */ - } - if (s->match_length >= MIN_MATCH) { - check_match(s, s->strstart, s->match_start, s->match_length); - - _tr_tally_dist(s, s->strstart - s->match_start, - s->match_length - MIN_MATCH, bflush); - - s->lookahead -= s->match_length; - - /* Insert new strings in the hash table only if the match length - * is not too large. This saves time but degrades compression. - */ -#ifndef FASTEST - if (s->match_length <= s->max_insert_length && - s->lookahead >= MIN_MATCH) { - s->match_length--; /* string at strstart already in table */ - do { - s->strstart++; - INSERT_STRING(s, s->strstart, hash_head); - /* strstart never exceeds WSIZE-MAX_MATCH, so there are - * always MIN_MATCH bytes ahead. - */ - } while (--s->match_length != 0); - s->strstart++; - } else -#endif - { - s->strstart += s->match_length; - s->match_length = 0; - s->ins_h = s->window[s->strstart]; - UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]); -#if MIN_MATCH != 3 - Call UPDATE_HASH() MIN_MATCH-3 more times -#endif - /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not - * matter since it will be recomputed at next deflate call. - */ - } - } else { - /* No match, output a literal byte */ - Tracevv((stderr,"%c", s->window[s->strstart])); - _tr_tally_lit (s, s->window[s->strstart], bflush); - s->lookahead--; - s->strstart++; - } - if (bflush) FLUSH_BLOCK(s, 0); - } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; -} - -#ifndef FASTEST -/* =========================================================================== - * Same as above, but achieves better compression. We use a lazy - * evaluation for matches: a match is finally adopted only if there is - * no better match at the next window position. - */ -local block_state deflate_slow(s, flush) - deflate_state *s; - int flush; -{ - IPos hash_head; /* head of hash chain */ - int bflush; /* set if current block must be flushed */ - - /* Process the input block. */ - for (;;) { - /* Make sure that we always have enough lookahead, except - * at the end of the input file. We need MAX_MATCH bytes - * for the next match, plus MIN_MATCH bytes to insert the - * string following the next match. - */ - if (s->lookahead < MIN_LOOKAHEAD) { - fill_window(s); - if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { - return need_more; - } - if (s->lookahead == 0) break; /* flush the current block */ - } - - /* Insert the string window[strstart .. strstart+2] in the - * dictionary, and set hash_head to the head of the hash chain: - */ - hash_head = NIL; - if (s->lookahead >= MIN_MATCH) { - INSERT_STRING(s, s->strstart, hash_head); - } - - /* Find the longest match, discarding those <= prev_length. - */ - s->prev_length = s->match_length, s->prev_match = s->match_start; - s->match_length = MIN_MATCH-1; - - if (hash_head != NIL && s->prev_length < s->max_lazy_match && - s->strstart - hash_head <= MAX_DIST(s)) { - /* To simplify the code, we prevent matches with the string - * of window index 0 (in particular we have to avoid a match - * of the string with itself at the start of the input file). - */ - s->match_length = longest_match (s, hash_head); - /* longest_match() sets match_start */ - - if (s->match_length <= 5 && (s->strategy == Z_FILTERED -#if TOO_FAR <= 32767 - || (s->match_length == MIN_MATCH && - s->strstart - s->match_start > TOO_FAR) -#endif - )) { - - /* If prev_match is also MIN_MATCH, match_start is garbage - * but we will ignore the current match anyway. - */ - s->match_length = MIN_MATCH-1; - } - } - /* If there was a match at the previous step and the current - * match is not better, output the previous match: - */ - if (s->prev_length >= MIN_MATCH && s->match_length <= s->prev_length) { - uInt max_insert = s->strstart + s->lookahead - MIN_MATCH; - /* Do not insert strings in hash table beyond this. */ - - check_match(s, s->strstart-1, s->prev_match, s->prev_length); - - _tr_tally_dist(s, s->strstart -1 - s->prev_match, - s->prev_length - MIN_MATCH, bflush); - - /* Insert in hash table all strings up to the end of the match. - * strstart-1 and strstart are already inserted. If there is not - * enough lookahead, the last two strings are not inserted in - * the hash table. - */ - s->lookahead -= s->prev_length-1; - s->prev_length -= 2; - do { - if (++s->strstart <= max_insert) { - INSERT_STRING(s, s->strstart, hash_head); - } - } while (--s->prev_length != 0); - s->match_available = 0; - s->match_length = MIN_MATCH-1; - s->strstart++; - - if (bflush) FLUSH_BLOCK(s, 0); - - } else if (s->match_available) { - /* If there was no match at the previous position, output a - * single literal. If there was a match but the current match - * is longer, truncate the previous match to a single literal. - */ - Tracevv((stderr,"%c", s->window[s->strstart-1])); - _tr_tally_lit(s, s->window[s->strstart-1], bflush); - if (bflush) { - FLUSH_BLOCK_ONLY(s, 0); - } - s->strstart++; - s->lookahead--; - if (s->strm->avail_out == 0) return need_more; - } else { - /* There is no previous match to compare with, wait for - * the next step to decide. - */ - s->match_available = 1; - s->strstart++; - s->lookahead--; - } - } - Assert (flush != Z_NO_FLUSH, "no flush?"); - if (s->match_available) { - Tracevv((stderr,"%c", s->window[s->strstart-1])); - _tr_tally_lit(s, s->window[s->strstart-1], bflush); - s->match_available = 0; - } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; -} -#endif /* FASTEST */ - -/* =========================================================================== - * For Z_RLE, simply look for runs of bytes, generate matches only of distance - * one. Do not maintain a hash table. (It will be regenerated if this run of - * deflate switches away from Z_RLE.) - */ -local block_state deflate_rle(s, flush) - deflate_state *s; - int flush; -{ - int bflush; /* set if current block must be flushed */ - uInt prev; /* byte at distance one to match */ - Bytef *scan, *strend; /* scan goes up to strend for length of run */ - - for (;;) { - /* Make sure that we always have enough lookahead, except - * at the end of the input file. We need MAX_MATCH bytes - * for the longest encodable run. - */ - if (s->lookahead < MAX_MATCH) { - fill_window(s); - if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) { - return need_more; - } - if (s->lookahead == 0) break; /* flush the current block */ - } - - /* See how many times the previous byte repeats */ - s->match_length = 0; - if (s->lookahead >= MIN_MATCH && s->strstart > 0) { - scan = s->window + s->strstart - 1; - prev = *scan; - if (prev == *++scan && prev == *++scan && prev == *++scan) { - strend = s->window + s->strstart + MAX_MATCH; - do { - } while (prev == *++scan && prev == *++scan && - prev == *++scan && prev == *++scan && - prev == *++scan && prev == *++scan && - prev == *++scan && prev == *++scan && - scan < strend); - s->match_length = MAX_MATCH - (int)(strend - scan); - if (s->match_length > s->lookahead) - s->match_length = s->lookahead; - } - } - - /* Emit match if have run of MIN_MATCH or longer, else emit literal */ - if (s->match_length >= MIN_MATCH) { - check_match(s, s->strstart, s->strstart - 1, s->match_length); - - _tr_tally_dist(s, 1, s->match_length - MIN_MATCH, bflush); - - s->lookahead -= s->match_length; - s->strstart += s->match_length; - s->match_length = 0; - } else { - /* No match, output a literal byte */ - Tracevv((stderr,"%c", s->window[s->strstart])); - _tr_tally_lit (s, s->window[s->strstart], bflush); - s->lookahead--; - s->strstart++; - } - if (bflush) FLUSH_BLOCK(s, 0); - } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; -} - -/* =========================================================================== - * For Z_HUFFMAN_ONLY, do not look for matches. Do not maintain a hash table. - * (It will be regenerated if this run of deflate switches away from Huffman.) - */ -local block_state deflate_huff(s, flush) - deflate_state *s; - int flush; -{ - int bflush; /* set if current block must be flushed */ - - for (;;) { - /* Make sure that we have a literal to write. */ - if (s->lookahead == 0) { - fill_window(s); - if (s->lookahead == 0) { - if (flush == Z_NO_FLUSH) - return need_more; - break; /* flush the current block */ - } - } - - /* Output a literal byte */ - s->match_length = 0; - Tracevv((stderr,"%c", s->window[s->strstart])); - _tr_tally_lit (s, s->window[s->strstart], bflush); - s->lookahead--; - s->strstart++; - if (bflush) FLUSH_BLOCK(s, 0); - } - FLUSH_BLOCK(s, flush == Z_FINISH); - return flush == Z_FINISH ? finish_done : block_done; -} diff --git a/common/zlib/deflate.h b/common/zlib/deflate.h deleted file mode 100644 index cbf0d1ea..00000000 --- a/common/zlib/deflate.h +++ /dev/null @@ -1,342 +0,0 @@ -/* deflate.h -- internal compression state - * Copyright (C) 1995-2010 Jean-loup Gailly - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is - part of the implementation of the compression library and is - subject to change. Applications should only use zlib.h. - */ - -/* @(#) $Id$ */ - -#ifndef DEFLATE_H -#define DEFLATE_H - -#include "zutil.h" - -/* define NO_GZIP when compiling if you want to disable gzip header and - trailer creation by deflate(). NO_GZIP would be used to avoid linking in - the crc code when it is not needed. For shared libraries, gzip encoding - should be left enabled. */ -#ifndef NO_GZIP -# define GZIP -#endif - -/* =========================================================================== - * Internal compression state. - */ - -#define LENGTH_CODES 29 -/* number of length codes, not counting the special END_BLOCK code */ - -#define LITERALS 256 -/* number of literal bytes 0..255 */ - -#define L_CODES (LITERALS+1+LENGTH_CODES) -/* number of Literal or Length codes, including the END_BLOCK code */ - -#define D_CODES 30 -/* number of distance codes */ - -#define BL_CODES 19 -/* number of codes used to transfer the bit lengths */ - -#define HEAP_SIZE (2*L_CODES+1) -/* maximum heap size */ - -#define MAX_BITS 15 -/* All codes must not exceed MAX_BITS bits */ - -#define INIT_STATE 42 -#define EXTRA_STATE 69 -#define NAME_STATE 73 -#define COMMENT_STATE 91 -#define HCRC_STATE 103 -#define BUSY_STATE 113 -#define FINISH_STATE 666 -/* Stream status */ - - -/* Data structure describing a single value and its code string. */ -typedef struct ct_data_s { - union { - ush freq; /* frequency count */ - ush code; /* bit string */ - } fc; - union { - ush dad; /* father node in Huffman tree */ - ush len; /* length of bit string */ - } dl; -} FAR ct_data; - -#define Freq fc.freq -#define Code fc.code -#define Dad dl.dad -#define Len dl.len - -typedef struct static_tree_desc_s static_tree_desc; - -typedef struct tree_desc_s { - ct_data *dyn_tree; /* the dynamic tree */ - int max_code; /* largest code with non zero frequency */ - static_tree_desc *stat_desc; /* the corresponding static tree */ -} FAR tree_desc; - -typedef ush Pos; -typedef Pos FAR Posf; -typedef unsigned IPos; - -/* A Pos is an index in the character window. We use short instead of int to - * save space in the various tables. IPos is used only for parameter passing. - */ - -typedef struct internal_state { - z_streamp strm; /* pointer back to this zlib stream */ - int status; /* as the name implies */ - Bytef *pending_buf; /* output still pending */ - ulg pending_buf_size; /* size of pending_buf */ - Bytef *pending_out; /* next pending byte to output to the stream */ - uInt pending; /* nb of bytes in the pending buffer */ - int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ - gz_headerp gzhead; /* gzip header information to write */ - uInt gzindex; /* where in extra, name, or comment */ - Byte method; /* STORED (for zip only) or DEFLATED */ - int last_flush; /* value of flush param for previous deflate call */ - - /* used by deflate.c: */ - - uInt w_size; /* LZ77 window size (32K by default) */ - uInt w_bits; /* log2(w_size) (8..16) */ - uInt w_mask; /* w_size - 1 */ - - Bytef *window; - /* Sliding window. Input bytes are read into the second half of the window, - * and move to the first half later to keep a dictionary of at least wSize - * bytes. With this organization, matches are limited to a distance of - * wSize-MAX_MATCH bytes, but this ensures that IO is always - * performed with a length multiple of the block size. Also, it limits - * the window size to 64K, which is quite useful on MSDOS. - * To do: use the user input buffer as sliding window. - */ - - ulg window_size; - /* Actual size of window: 2*wSize, except when the user input buffer - * is directly used as sliding window. - */ - - Posf *prev; - /* Link to older string with same hash index. To limit the size of this - * array to 64K, this link is maintained only for the last 32K strings. - * An index in this array is thus a window index modulo 32K. - */ - - Posf *head; /* Heads of the hash chains or NIL. */ - - uInt ins_h; /* hash index of string to be inserted */ - uInt hash_size; /* number of elements in hash table */ - uInt hash_bits; /* log2(hash_size) */ - uInt hash_mask; /* hash_size-1 */ - - uInt hash_shift; - /* Number of bits by which ins_h must be shifted at each input - * step. It must be such that after MIN_MATCH steps, the oldest - * byte no longer takes part in the hash key, that is: - * hash_shift * MIN_MATCH >= hash_bits - */ - - long block_start; - /* Window position at the beginning of the current output block. Gets - * negative when the window is moved backwards. - */ - - uInt match_length; /* length of best match */ - IPos prev_match; /* previous match */ - int match_available; /* set if previous match exists */ - uInt strstart; /* start of string to insert */ - uInt match_start; /* start of matching string */ - uInt lookahead; /* number of valid bytes ahead in window */ - - uInt prev_length; - /* Length of the best match at previous step. Matches not greater than this - * are discarded. This is used in the lazy match evaluation. - */ - - uInt max_chain_length; - /* To speed up deflation, hash chains are never searched beyond this - * length. A higher limit improves compression ratio but degrades the - * speed. - */ - - uInt max_lazy_match; - /* Attempt to find a better match only when the current match is strictly - * smaller than this value. This mechanism is used only for compression - * levels >= 4. - */ -# define max_insert_length max_lazy_match - /* Insert new strings in the hash table only if the match length is not - * greater than this length. This saves time but degrades compression. - * max_insert_length is used only for compression levels <= 3. - */ - - int level; /* compression level (1..9) */ - int strategy; /* favor or force Huffman coding*/ - - uInt good_match; - /* Use a faster search when the previous match is longer than this */ - - int nice_match; /* Stop searching when current match exceeds this */ - - /* used by trees.c: */ - /* Didn't use ct_data typedef below to supress compiler warning */ - struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */ - struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ - struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */ - - struct tree_desc_s l_desc; /* desc. for literal tree */ - struct tree_desc_s d_desc; /* desc. for distance tree */ - struct tree_desc_s bl_desc; /* desc. for bit length tree */ - - ush bl_count[MAX_BITS+1]; - /* number of codes at each bit length for an optimal tree */ - - int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */ - int heap_len; /* number of elements in the heap */ - int heap_max; /* element of largest frequency */ - /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used. - * The same heap array is used to build all trees. - */ - - uch depth[2*L_CODES+1]; - /* Depth of each subtree used as tie breaker for trees of equal frequency - */ - - uchf *l_buf; /* buffer for literals or lengths */ - - uInt lit_bufsize; - /* Size of match buffer for literals/lengths. There are 4 reasons for - * limiting lit_bufsize to 64K: - * - frequencies can be kept in 16 bit counters - * - if compression is not successful for the first block, all input - * data is still in the window so we can still emit a stored block even - * when input comes from standard input. (This can also be done for - * all blocks if lit_bufsize is not greater than 32K.) - * - if compression is not successful for a file smaller than 64K, we can - * even emit a stored file instead of a stored block (saving 5 bytes). - * This is applicable only for zip (not gzip or zlib). - * - creating new Huffman trees less frequently may not provide fast - * adaptation to changes in the input data statistics. (Take for - * example a binary file with poorly compressible code followed by - * a highly compressible string table.) Smaller buffer sizes give - * fast adaptation but have of course the overhead of transmitting - * trees more frequently. - * - I can't count above 4 - */ - - uInt last_lit; /* running index in l_buf */ - - ushf *d_buf; - /* Buffer for distances. To simplify the code, d_buf and l_buf have - * the same number of elements. To use different lengths, an extra flag - * array would be necessary. - */ - - ulg opt_len; /* bit length of current block with optimal trees */ - ulg static_len; /* bit length of current block with static trees */ - uInt matches; /* number of string matches in current block */ - int last_eob_len; /* bit length of EOB code for last block */ - -#ifdef DEBUG - ulg compressed_len; /* total bit length of compressed file mod 2^32 */ - ulg bits_sent; /* bit length of compressed data sent mod 2^32 */ -#endif - - ush bi_buf; - /* Output buffer. bits are inserted starting at the bottom (least - * significant bits). - */ - int bi_valid; - /* Number of valid bits in bi_buf. All bits above the last valid bit - * are always zero. - */ - - ulg high_water; - /* High water mark offset in window for initialized bytes -- bytes above - * this are set to zero in order to avoid memory check warnings when - * longest match routines access bytes past the input. This is then - * updated to the new high water mark. - */ - -} FAR deflate_state; - -/* Output a byte on the stream. - * IN assertion: there is enough room in pending_buf. - */ -#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);} - - -#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) -/* Minimum amount of lookahead, except at the end of the input file. - * See deflate.c for comments about the MIN_MATCH+1. - */ - -#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD) -/* In order to simplify the code, particularly on 16 bit machines, match - * distances are limited to MAX_DIST instead of WSIZE. - */ - -#define WIN_INIT MAX_MATCH -/* Number of bytes after end of data in window to initialize in order to avoid - memory checker errors from longest match routines */ - - /* in trees.c */ -void ZLIB_INTERNAL _tr_init OF((deflate_state *s)); -int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); -void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf, - ulg stored_len, int last)); -void ZLIB_INTERNAL _tr_align OF((deflate_state *s)); -void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, - ulg stored_len, int last)); - -#define d_code(dist) \ - ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) -/* Mapping from a distance to a distance code. dist is the distance - 1 and - * must not have side effects. _dist_code[256] and _dist_code[257] are never - * used. - */ - -#ifndef DEBUG -/* Inline versions of _tr_tally for speed: */ - -#if defined(GEN_TREES_H) || !defined(STDC) - extern uch ZLIB_INTERNAL _length_code[]; - extern uch ZLIB_INTERNAL _dist_code[]; -#else - extern const uch ZLIB_INTERNAL _length_code[]; - extern const uch ZLIB_INTERNAL _dist_code[]; -#endif - -# define _tr_tally_lit(s, c, flush) \ - { uch cc = (c); \ - s->d_buf[s->last_lit] = 0; \ - s->l_buf[s->last_lit++] = cc; \ - s->dyn_ltree[cc].Freq++; \ - flush = (s->last_lit == s->lit_bufsize-1); \ - } -# define _tr_tally_dist(s, distance, length, flush) \ - { uch len = (length); \ - ush dist = (distance); \ - s->d_buf[s->last_lit] = dist; \ - s->l_buf[s->last_lit++] = len; \ - dist--; \ - s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ - s->dyn_dtree[d_code(dist)].Freq++; \ - flush = (s->last_lit == s->lit_bufsize-1); \ - } -#else -# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) -# define _tr_tally_dist(s, distance, length, flush) \ - flush = _tr_tally(s, distance, length) -#endif - -#endif /* DEFLATE_H */ diff --git a/common/zlib/gzclose.c b/common/zlib/gzclose.c deleted file mode 100644 index caeb99a3..00000000 --- a/common/zlib/gzclose.c +++ /dev/null @@ -1,25 +0,0 @@ -/* gzclose.c -- zlib gzclose() function - * Copyright (C) 2004, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "gzguts.h" - -/* gzclose() is in a separate file so that it is linked in only if it is used. - That way the other gzclose functions can be used instead to avoid linking in - unneeded compression or decompression routines. */ -int ZEXPORT gzclose(file) - gzFile file; -{ -#ifndef NO_GZCOMPRESS - gz_statep state; - - if (file == NULL) - return Z_STREAM_ERROR; - state = (gz_statep)file; - - return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file); -#else - return gzclose_r(file); -#endif -} diff --git a/common/zlib/gzguts.h b/common/zlib/gzguts.h deleted file mode 100644 index 0f8fb79f..00000000 --- a/common/zlib/gzguts.h +++ /dev/null @@ -1,132 +0,0 @@ -/* gzguts.h -- zlib internal header definitions for gz* operations - * Copyright (C) 2004, 2005, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#ifdef _LARGEFILE64_SOURCE -# ifndef _LARGEFILE_SOURCE -# define _LARGEFILE_SOURCE 1 -# endif -# ifdef _FILE_OFFSET_BITS -# undef _FILE_OFFSET_BITS -# endif -#endif - -#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) -# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) -#else -# define ZLIB_INTERNAL -#endif - -#include <stdio.h> -#include "zlib.h" -#ifdef STDC -# include <string.h> -# include <stdlib.h> -# include <limits.h> -#endif -#include <fcntl.h> - -#ifdef NO_DEFLATE /* for compatibility with old definition */ -# define NO_GZCOMPRESS -#endif - -#ifdef _MSC_VER -# include <io.h> -# define vsnprintf _vsnprintf -#endif - -#ifndef local -# define local static -#endif -/* compile with -Dlocal if your debugger can't find static symbols */ - -/* gz* functions always use library allocation functions */ -#ifndef STDC - extern voidp malloc OF((uInt size)); - extern void free OF((voidpf ptr)); -#endif - -/* get errno and strerror definition */ -#if defined UNDER_CE -# include <windows.h> -# define zstrerror() gz_strwinerror((DWORD)GetLastError()) -#else -# ifdef STDC -# include <errno.h> -# define zstrerror() strerror(errno) -# else -# define zstrerror() "stdio error (consult errno)" -# endif -#endif - -/* provide prototypes for these when building zlib without LFS */ -#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0 - ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); - ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int)); - ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile)); - ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); -#endif - -/* default i/o buffer size -- double this for output when reading */ -#define GZBUFSIZE 8192 - -/* gzip modes, also provide a little integrity check on the passed structure */ -#define GZ_NONE 0 -#define GZ_READ 7247 -#define GZ_WRITE 31153 -#define GZ_APPEND 1 /* mode set to GZ_WRITE after the file is opened */ - -/* values for gz_state how */ -#define LOOK 0 /* look for a gzip header */ -#define COPY 1 /* copy input directly */ -#define GZIP 2 /* decompress a gzip stream */ - -/* internal gzip file state data structure */ -typedef struct { - /* used for both reading and writing */ - int mode; /* see gzip modes above */ - int fd; /* file descriptor */ - char *path; /* path or fd for error messages */ - z_off64_t pos; /* current position in uncompressed data */ - unsigned size; /* buffer size, zero if not allocated yet */ - unsigned want; /* requested buffer size, default is GZBUFSIZE */ - unsigned char *in; /* input buffer */ - unsigned char *out; /* output buffer (double-sized when reading) */ - unsigned char *next; /* next output data to deliver or write */ - /* just for reading */ - unsigned have; /* amount of output data unused at next */ - int eof; /* true if end of input file reached */ - z_off64_t start; /* where the gzip data started, for rewinding */ - z_off64_t raw; /* where the raw data started, for seeking */ - int how; /* 0: get header, 1: copy, 2: decompress */ - int direct; /* true if last read direct, false if gzip */ - /* just for writing */ - int level; /* compression level */ - int strategy; /* compression strategy */ - /* seek request */ - z_off64_t skip; /* amount to skip (already rewound if backwards) */ - int seek; /* true if seek request pending */ - /* error information */ - int err; /* error code */ - char *msg; /* error message */ - /* zlib inflate or deflate stream */ - z_stream strm; /* stream structure in-place (not a pointer) */ -} gz_state; -typedef gz_state FAR *gz_statep; - -/* shared functions */ -void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *)); -#if defined UNDER_CE -char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error)); -#endif - -/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t - value -- needed when comparing unsigned to z_off64_t, which is signed - (possible z_off64_t types off_t, off64_t, and long are all signed) */ -#ifdef INT_MAX -# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX) -#else -unsigned ZLIB_INTERNAL gz_intmax OF((void)); -# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax()) -#endif diff --git a/common/zlib/gzlib.c b/common/zlib/gzlib.c deleted file mode 100644 index 603e60ed..00000000 --- a/common/zlib/gzlib.c +++ /dev/null @@ -1,537 +0,0 @@ -/* gzlib.c -- zlib functions common to reading and writing gzip files - * Copyright (C) 2004, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "gzguts.h" - -#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 -# define LSEEK lseek64 -#else -# define LSEEK lseek -#endif - -/* Local functions */ -local void gz_reset OF((gz_statep)); -local gzFile gz_open OF((const char *, int, const char *)); - -#if defined UNDER_CE - -/* Map the Windows error number in ERROR to a locale-dependent error message - string and return a pointer to it. Typically, the values for ERROR come - from GetLastError. - - The string pointed to shall not be modified by the application, but may be - overwritten by a subsequent call to gz_strwinerror - - The gz_strwinerror function does not change the current setting of - GetLastError. */ -char ZLIB_INTERNAL *gz_strwinerror (error) - DWORD error; -{ - static char buf[1024]; - - wchar_t *msgbuf; - DWORD lasterr = GetLastError(); - DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM - | FORMAT_MESSAGE_ALLOCATE_BUFFER, - NULL, - error, - 0, /* Default language */ - (LPVOID)&msgbuf, - 0, - NULL); - if (chars != 0) { - /* If there is an \r\n appended, zap it. */ - if (chars >= 2 - && msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') { - chars -= 2; - msgbuf[chars] = 0; - } - - if (chars > sizeof (buf) - 1) { - chars = sizeof (buf) - 1; - msgbuf[chars] = 0; - } - - wcstombs(buf, msgbuf, chars + 1); - LocalFree(msgbuf); - } - else { - sprintf(buf, "unknown win32 error (%ld)", error); - } - - SetLastError(lasterr); - return buf; -} - -#endif /* UNDER_CE */ - -/* Reset gzip file state */ -local void gz_reset(state) - gz_statep state; -{ - if (state->mode == GZ_READ) { /* for reading ... */ - state->have = 0; /* no output data available */ - state->eof = 0; /* not at end of file */ - state->how = LOOK; /* look for gzip header */ - state->direct = 1; /* default for empty file */ - } - state->seek = 0; /* no seek request pending */ - gz_error(state, Z_OK, NULL); /* clear error */ - state->pos = 0; /* no uncompressed data yet */ - state->strm.avail_in = 0; /* no input data yet */ -} - -/* Open a gzip file either by name or file descriptor. */ -local gzFile gz_open(path, fd, mode) - const char *path; - int fd; - const char *mode; -{ - gz_statep state; - - /* allocate gzFile structure to return */ - state = malloc(sizeof(gz_state)); - if (state == NULL) - return NULL; - state->size = 0; /* no buffers allocated yet */ - state->want = GZBUFSIZE; /* requested buffer size */ - state->msg = NULL; /* no error message yet */ - - /* interpret mode */ - state->mode = GZ_NONE; - state->level = Z_DEFAULT_COMPRESSION; - state->strategy = Z_DEFAULT_STRATEGY; - while (*mode) { - if (*mode >= '0' && *mode <= '9') - state->level = *mode - '0'; - else - switch (*mode) { - case 'r': - state->mode = GZ_READ; - break; -#ifndef NO_GZCOMPRESS - case 'w': - state->mode = GZ_WRITE; - break; - case 'a': - state->mode = GZ_APPEND; - break; -#endif - case '+': /* can't read and write at the same time */ - free(state); - return NULL; - case 'b': /* ignore -- will request binary anyway */ - break; - case 'f': - state->strategy = Z_FILTERED; - break; - case 'h': - state->strategy = Z_HUFFMAN_ONLY; - break; - case 'R': - state->strategy = Z_RLE; - break; - case 'F': - state->strategy = Z_FIXED; - default: /* could consider as an error, but just ignore */ - ; - } - mode++; - } - - /* must provide an "r", "w", or "a" */ - if (state->mode == GZ_NONE) { - free(state); - return NULL; - } - - /* save the path name for error messages */ - state->path = malloc(strlen(path) + 1); - if (state->path == NULL) { - free(state); - return NULL; - } - strcpy(state->path, path); - - /* open the file with the appropriate mode (or just use fd) */ - state->fd = fd != -1 ? fd : - open(path, -#ifdef O_LARGEFILE - O_LARGEFILE | -#endif -#ifdef O_BINARY - O_BINARY | -#endif - (state->mode == GZ_READ ? - O_RDONLY : - (O_WRONLY | O_CREAT | ( - state->mode == GZ_WRITE ? - O_TRUNC : - O_APPEND))), - 0666); - if (state->fd == -1) { - free(state->path); - free(state); - return NULL; - } - if (state->mode == GZ_APPEND) - state->mode = GZ_WRITE; /* simplify later checks */ - - /* save the current position for rewinding (only if reading) */ - if (state->mode == GZ_READ) { - state->start = LSEEK(state->fd, 0, SEEK_CUR); - if (state->start == -1) state->start = 0; - } - - /* initialize stream */ - gz_reset(state); - - /* return stream */ - return (gzFile)state; -} - -/* -- see zlib.h -- */ -gzFile ZEXPORT gzopen(path, mode) - const char *path; - const char *mode; -{ - return gz_open(path, -1, mode); -} - -/* -- see zlib.h -- */ -gzFile ZEXPORT gzopen64(path, mode) - const char *path; - const char *mode; -{ - return gz_open(path, -1, mode); -} - -/* -- see zlib.h -- */ -gzFile ZEXPORT gzdopen(fd, mode) - int fd; - const char *mode; -{ - char *path; /* identifier for error messages */ - gzFile gz; - - if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL) - return NULL; - sprintf(path, "<fd:%d>", fd); /* for debugging */ - gz = gz_open(path, fd, mode); - free(path); - return gz; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzbuffer(file, size) - gzFile file; - unsigned size; -{ - gz_statep state; - - /* get internal structure and check integrity */ - if (file == NULL) - return -1; - state = (gz_statep)file; - if (state->mode != GZ_READ && state->mode != GZ_WRITE) - return -1; - - /* make sure we haven't already allocated memory */ - if (state->size != 0) - return -1; - - /* check and set requested size */ - if (size == 0) - return -1; - state->want = size; - return 0; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzrewind(file) - gzFile file; -{ - gz_statep state; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) - return -1; - - /* back up and start over */ - if (LSEEK(state->fd, state->start, SEEK_SET) == -1) - return -1; - gz_reset(state); - return 0; -} - -/* -- see zlib.h -- */ -z_off64_t ZEXPORT gzseek64(file, offset, whence) - gzFile file; - z_off64_t offset; - int whence; -{ - unsigned n; - z_off64_t ret; - gz_statep state; - - /* get internal structure and check integrity */ - if (file == NULL) - return -1; - state = (gz_statep)file; - if (state->mode != GZ_READ && state->mode != GZ_WRITE) - return -1; - - /* check that there's no error */ - if (state->err != Z_OK) - return -1; - - /* can only seek from start or relative to current position */ - if (whence != SEEK_SET && whence != SEEK_CUR) - return -1; - - /* normalize offset to a SEEK_CUR specification */ - if (whence == SEEK_SET) - offset -= state->pos; - else if (state->seek) - offset += state->skip; - state->seek = 0; - - /* if within raw area while reading, just go there */ - if (state->mode == GZ_READ && state->how == COPY && - state->pos + offset >= state->raw) { - ret = LSEEK(state->fd, offset - state->have, SEEK_CUR); - if (ret == -1) - return -1; - state->have = 0; - state->eof = 0; - state->seek = 0; - gz_error(state, Z_OK, NULL); - state->strm.avail_in = 0; - state->pos += offset; - return state->pos; - } - - /* calculate skip amount, rewinding if needed for back seek when reading */ - if (offset < 0) { - if (state->mode != GZ_READ) /* writing -- can't go backwards */ - return -1; - offset += state->pos; - if (offset < 0) /* before start of file! */ - return -1; - if (gzrewind(file) == -1) /* rewind, then skip to offset */ - return -1; - } - - /* if reading, skip what's in output buffer (one less gzgetc() check) */ - if (state->mode == GZ_READ) { - n = GT_OFF(state->have) || (z_off64_t)state->have > offset ? - (unsigned)offset : state->have; - state->have -= n; - state->next += n; - state->pos += n; - offset -= n; - } - - /* request skip (if not zero) */ - if (offset) { - state->seek = 1; - state->skip = offset; - } - return state->pos + offset; -} - -/* -- see zlib.h -- */ -z_off_t ZEXPORT gzseek(file, offset, whence) - gzFile file; - z_off_t offset; - int whence; -{ - z_off64_t ret; - - ret = gzseek64(file, (z_off64_t)offset, whence); - return ret == (z_off_t)ret ? (z_off_t)ret : -1; -} - -/* -- see zlib.h -- */ -z_off64_t ZEXPORT gztell64(file) - gzFile file; -{ - gz_statep state; - - /* get internal structure and check integrity */ - if (file == NULL) - return -1; - state = (gz_statep)file; - if (state->mode != GZ_READ && state->mode != GZ_WRITE) - return -1; - - /* return position */ - return state->pos + (state->seek ? state->skip : 0); -} - -/* -- see zlib.h -- */ -z_off_t ZEXPORT gztell(file) - gzFile file; -{ - z_off64_t ret; - - ret = gztell64(file); - return ret == (z_off_t)ret ? (z_off_t)ret : -1; -} - -/* -- see zlib.h -- */ -z_off64_t ZEXPORT gzoffset64(file) - gzFile file; -{ - z_off64_t offset; - gz_statep state; - - /* get internal structure and check integrity */ - if (file == NULL) - return -1; - state = (gz_statep)file; - if (state->mode != GZ_READ && state->mode != GZ_WRITE) - return -1; - - /* compute and return effective offset in file */ - offset = LSEEK(state->fd, 0, SEEK_CUR); - if (offset == -1) - return -1; - if (state->mode == GZ_READ) /* reading */ - offset -= state->strm.avail_in; /* don't count buffered input */ - return offset; -} - -/* -- see zlib.h -- */ -z_off_t ZEXPORT gzoffset(file) - gzFile file; -{ - z_off64_t ret; - - ret = gzoffset64(file); - return ret == (z_off_t)ret ? (z_off_t)ret : -1; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzeof(file) - gzFile file; -{ - gz_statep state; - - /* get internal structure and check integrity */ - if (file == NULL) - return 0; - state = (gz_statep)file; - if (state->mode != GZ_READ && state->mode != GZ_WRITE) - return 0; - - /* return end-of-file state */ - return state->mode == GZ_READ ? - (state->eof && state->strm.avail_in == 0 && state->have == 0) : 0; -} - -/* -- see zlib.h -- */ -const char * ZEXPORT gzerror(file, errnum) - gzFile file; - int *errnum; -{ - gz_statep state; - - /* get internal structure and check integrity */ - if (file == NULL) - return NULL; - state = (gz_statep)file; - if (state->mode != GZ_READ && state->mode != GZ_WRITE) - return NULL; - - /* return error information */ - if (errnum != NULL) - *errnum = state->err; - return state->msg == NULL ? "" : state->msg; -} - -/* -- see zlib.h -- */ -void ZEXPORT gzclearerr(file) - gzFile file; -{ - gz_statep state; - - /* get internal structure and check integrity */ - if (file == NULL) - return; - state = (gz_statep)file; - if (state->mode != GZ_READ && state->mode != GZ_WRITE) - return; - - /* clear error and end-of-file */ - if (state->mode == GZ_READ) - state->eof = 0; - gz_error(state, Z_OK, NULL); -} - -/* Create an error message in allocated memory and set state->err and - state->msg accordingly. Free any previous error message already there. Do - not try to free or allocate space if the error is Z_MEM_ERROR (out of - memory). Simply save the error message as a static string. If there is an - allocation failure constructing the error message, then convert the error to - out of memory. */ -void ZLIB_INTERNAL gz_error(state, err, msg) - gz_statep state; - int err; - const char *msg; -{ - /* free previously allocated message and clear */ - if (state->msg != NULL) { - if (state->err != Z_MEM_ERROR) - free(state->msg); - state->msg = NULL; - } - - /* set error code, and if no message, then done */ - state->err = err; - if (msg == NULL) - return; - - /* for an out of memory error, save as static string */ - if (err == Z_MEM_ERROR) { - state->msg = (char *)msg; - return; - } - - /* construct error message with path */ - if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) { - state->err = Z_MEM_ERROR; - state->msg = (char *)"out of memory"; - return; - } - strcpy(state->msg, state->path); - strcat(state->msg, ": "); - strcat(state->msg, msg); - return; -} - -#ifndef INT_MAX -/* portably return maximum value for an int (when limits.h presumed not - available) -- we need to do this to cover cases where 2's complement not - used, since C standard permits 1's complement and sign-bit representations, - otherwise we could just use ((unsigned)-1) >> 1 */ -unsigned ZLIB_INTERNAL gz_intmax() -{ - unsigned p, q; - - p = 1; - do { - q = p; - p <<= 1; - p++; - } while (p > q); - return q >> 1; -} -#endif diff --git a/common/zlib/gzread.c b/common/zlib/gzread.c deleted file mode 100644 index 548201ab..00000000 --- a/common/zlib/gzread.c +++ /dev/null @@ -1,653 +0,0 @@ -/* gzread.c -- zlib functions for reading gzip files - * Copyright (C) 2004, 2005, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "gzguts.h" - -/* Local functions */ -local int gz_load OF((gz_statep, unsigned char *, unsigned, unsigned *)); -local int gz_avail OF((gz_statep)); -local int gz_next4 OF((gz_statep, unsigned long *)); -local int gz_head OF((gz_statep)); -local int gz_decomp OF((gz_statep)); -local int gz_make OF((gz_statep)); -local int gz_skip OF((gz_statep, z_off64_t)); - -/* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from - state->fd, and update state->eof, state->err, and state->msg as appropriate. - This function needs to loop on read(), since read() is not guaranteed to - read the number of bytes requested, depending on the type of descriptor. */ -local int gz_load(state, buf, len, have) - gz_statep state; - unsigned char *buf; - unsigned len; - unsigned *have; -{ - int ret; - - *have = 0; - do { - ret = read(state->fd, buf + *have, len - *have); - if (ret <= 0) - break; - *have += ret; - } while (*have < len); - if (ret < 0) { - gz_error(state, Z_ERRNO, zstrerror()); - return -1; - } - if (ret == 0) - state->eof = 1; - return 0; -} - -/* Load up input buffer and set eof flag if last data loaded -- return -1 on - error, 0 otherwise. Note that the eof flag is set when the end of the input - file is reached, even though there may be unused data in the buffer. Once - that data has been used, no more attempts will be made to read the file. - gz_avail() assumes that strm->avail_in == 0. */ -local int gz_avail(state) - gz_statep state; -{ - z_streamp strm = &(state->strm); - - if (state->err != Z_OK) - return -1; - if (state->eof == 0) { - if (gz_load(state, state->in, state->size, - (unsigned *)&(strm->avail_in)) == -1) - return -1; - strm->next_in = state->in; - } - return 0; -} - -/* Get next byte from input, or -1 if end or error. */ -#define NEXT() ((strm->avail_in == 0 && gz_avail(state) == -1) ? -1 : \ - (strm->avail_in == 0 ? -1 : \ - (strm->avail_in--, *(strm->next_in)++))) - -/* Get a four-byte little-endian integer and return 0 on success and the value - in *ret. Otherwise -1 is returned and *ret is not modified. */ -local int gz_next4(state, ret) - gz_statep state; - unsigned long *ret; -{ - int ch; - unsigned long val; - z_streamp strm = &(state->strm); - - val = NEXT(); - val += (unsigned)NEXT() << 8; - val += (unsigned long)NEXT() << 16; - ch = NEXT(); - if (ch == -1) - return -1; - val += (unsigned long)ch << 24; - *ret = val; - return 0; -} - -/* Look for gzip header, set up for inflate or copy. state->have must be zero. - If this is the first time in, allocate required memory. state->how will be - left unchanged if there is no more input data available, will be set to COPY - if there is no gzip header and direct copying will be performed, or it will - be set to GZIP for decompression, and the gzip header will be skipped so - that the next available input data is the raw deflate stream. If direct - copying, then leftover input data from the input buffer will be copied to - the output buffer. In that case, all further file reads will be directly to - either the output buffer or a user buffer. If decompressing, the inflate - state and the check value will be initialized. gz_head() will return 0 on - success or -1 on failure. Failures may include read errors or gzip header - errors. */ -local int gz_head(state) - gz_statep state; -{ - z_streamp strm = &(state->strm); - int flags; - unsigned len; - - /* allocate read buffers and inflate memory */ - if (state->size == 0) { - /* allocate buffers */ - state->in = malloc(state->want); - state->out = malloc(state->want << 1); - if (state->in == NULL || state->out == NULL) { - if (state->out != NULL) - free(state->out); - if (state->in != NULL) - free(state->in); - gz_error(state, Z_MEM_ERROR, "out of memory"); - return -1; - } - state->size = state->want; - - /* allocate inflate memory */ - state->strm.zalloc = Z_NULL; - state->strm.zfree = Z_NULL; - state->strm.opaque = Z_NULL; - state->strm.avail_in = 0; - state->strm.next_in = Z_NULL; - if (inflateInit2(&(state->strm), -15) != Z_OK) { /* raw inflate */ - free(state->out); - free(state->in); - state->size = 0; - gz_error(state, Z_MEM_ERROR, "out of memory"); - return -1; - } - } - - /* get some data in the input buffer */ - if (strm->avail_in == 0) { - if (gz_avail(state) == -1) - return -1; - if (strm->avail_in == 0) - return 0; - } - - /* look for the gzip magic header bytes 31 and 139 */ - if (strm->next_in[0] == 31) { - strm->avail_in--; - strm->next_in++; - if (strm->avail_in == 0 && gz_avail(state) == -1) - return -1; - if (strm->avail_in && strm->next_in[0] == 139) { - /* we have a gzip header, woo hoo! */ - strm->avail_in--; - strm->next_in++; - - /* skip rest of header */ - if (NEXT() != 8) { /* compression method */ - gz_error(state, Z_DATA_ERROR, "unknown compression method"); - return -1; - } - flags = NEXT(); - if (flags & 0xe0) { /* reserved flag bits */ - gz_error(state, Z_DATA_ERROR, "unknown header flags set"); - return -1; - } - NEXT(); /* modification time */ - NEXT(); - NEXT(); - NEXT(); - NEXT(); /* extra flags */ - NEXT(); /* operating system */ - if (flags & 4) { /* extra field */ - len = (unsigned)NEXT(); - len += (unsigned)NEXT() << 8; - while (len--) - if (NEXT() < 0) - break; - } - if (flags & 8) /* file name */ - while (NEXT() > 0) - ; - if (flags & 16) /* comment */ - while (NEXT() > 0) - ; - if (flags & 2) { /* header crc */ - NEXT(); - NEXT(); - } - /* an unexpected end of file is not checked for here -- it will be - noticed on the first request for uncompressed data */ - - /* set up for decompression */ - inflateReset(strm); - strm->adler = crc32(0L, Z_NULL, 0); - state->how = GZIP; - state->direct = 0; - return 0; - } - else { - /* not a gzip file -- save first byte (31) and fall to raw i/o */ - state->out[0] = 31; - state->have = 1; - } - } - - /* doing raw i/o, save start of raw data for seeking, copy any leftover - input to output -- this assumes that the output buffer is larger than - the input buffer, which also assures space for gzungetc() */ - state->raw = state->pos; - state->next = state->out; - if (strm->avail_in) { - memcpy(state->next + state->have, strm->next_in, strm->avail_in); - state->have += strm->avail_in; - strm->avail_in = 0; - } - state->how = COPY; - state->direct = 1; - return 0; -} - -/* Decompress from input to the provided next_out and avail_out in the state. - If the end of the compressed data is reached, then verify the gzip trailer - check value and length (modulo 2^32). state->have and state->next are set - to point to the just decompressed data, and the crc is updated. If the - trailer is verified, state->how is reset to LOOK to look for the next gzip - stream or raw data, once state->have is depleted. Returns 0 on success, -1 - on failure. Failures may include invalid compressed data or a failed gzip - trailer verification. */ -local int gz_decomp(state) - gz_statep state; -{ - int ret; - unsigned had; - unsigned long crc, len; - z_streamp strm = &(state->strm); - - /* fill output buffer up to end of deflate stream */ - had = strm->avail_out; - do { - /* get more input for inflate() */ - if (strm->avail_in == 0 && gz_avail(state) == -1) - return -1; - if (strm->avail_in == 0) { - gz_error(state, Z_DATA_ERROR, "unexpected end of file"); - return -1; - } - - /* decompress and handle errors */ - ret = inflate(strm, Z_NO_FLUSH); - if (ret == Z_STREAM_ERROR || ret == Z_NEED_DICT) { - gz_error(state, Z_STREAM_ERROR, - "internal error: inflate stream corrupt"); - return -1; - } - if (ret == Z_MEM_ERROR) { - gz_error(state, Z_MEM_ERROR, "out of memory"); - return -1; - } - if (ret == Z_DATA_ERROR) { /* deflate stream invalid */ - gz_error(state, Z_DATA_ERROR, - strm->msg == NULL ? "compressed data error" : strm->msg); - return -1; - } - } while (strm->avail_out && ret != Z_STREAM_END); - - /* update available output and crc check value */ - state->have = had - strm->avail_out; - state->next = strm->next_out - state->have; - strm->adler = crc32(strm->adler, state->next, state->have); - - /* check gzip trailer if at end of deflate stream */ - if (ret == Z_STREAM_END) { - if (gz_next4(state, &crc) == -1 || gz_next4(state, &len) == -1) { - gz_error(state, Z_DATA_ERROR, "unexpected end of file"); - return -1; - } - if (crc != strm->adler) { - gz_error(state, Z_DATA_ERROR, "incorrect data check"); - return -1; - } - if (len != (strm->total_out & 0xffffffffL)) { - gz_error(state, Z_DATA_ERROR, "incorrect length check"); - return -1; - } - state->how = LOOK; /* ready for next stream, once have is 0 (leave - state->direct unchanged to remember how) */ - } - - /* good decompression */ - return 0; -} - -/* Make data and put in the output buffer. Assumes that state->have == 0. - Data is either copied from the input file or decompressed from the input - file depending on state->how. If state->how is LOOK, then a gzip header is - looked for (and skipped if found) to determine wither to copy or decompress. - Returns -1 on error, otherwise 0. gz_make() will leave state->have as COPY - or GZIP unless the end of the input file has been reached and all data has - been processed. */ -local int gz_make(state) - gz_statep state; -{ - z_streamp strm = &(state->strm); - - if (state->how == LOOK) { /* look for gzip header */ - if (gz_head(state) == -1) - return -1; - if (state->have) /* got some data from gz_head() */ - return 0; - } - if (state->how == COPY) { /* straight copy */ - if (gz_load(state, state->out, state->size << 1, &(state->have)) == -1) - return -1; - state->next = state->out; - } - else if (state->how == GZIP) { /* decompress */ - strm->avail_out = state->size << 1; - strm->next_out = state->out; - if (gz_decomp(state) == -1) - return -1; - } - return 0; -} - -/* Skip len uncompressed bytes of output. Return -1 on error, 0 on success. */ -local int gz_skip(state, len) - gz_statep state; - z_off64_t len; -{ - unsigned n; - - /* skip over len bytes or reach end-of-file, whichever comes first */ - while (len) - /* skip over whatever is in output buffer */ - if (state->have) { - n = GT_OFF(state->have) || (z_off64_t)state->have > len ? - (unsigned)len : state->have; - state->have -= n; - state->next += n; - state->pos += n; - len -= n; - } - - /* output buffer empty -- return if we're at the end of the input */ - else if (state->eof && state->strm.avail_in == 0) - break; - - /* need more data to skip -- load up output buffer */ - else { - /* get more output, looking for header if required */ - if (gz_make(state) == -1) - return -1; - } - return 0; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzread(file, buf, len) - gzFile file; - voidp buf; - unsigned len; -{ - unsigned got, n; - gz_statep state; - z_streamp strm; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - strm = &(state->strm); - - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) - return -1; - - /* since an int is returned, make sure len fits in one, otherwise return - with an error (this avoids the flaw in the interface) */ - if ((int)len < 0) { - gz_error(state, Z_BUF_ERROR, "requested length does not fit in int"); - return -1; - } - - /* if len is zero, avoid unnecessary operations */ - if (len == 0) - return 0; - - /* process a skip request */ - if (state->seek) { - state->seek = 0; - if (gz_skip(state, state->skip) == -1) - return -1; - } - - /* get len bytes to buf, or less than len if at the end */ - got = 0; - do { - /* first just try copying data from the output buffer */ - if (state->have) { - n = state->have > len ? len : state->have; - memcpy(buf, state->next, n); - state->next += n; - state->have -= n; - } - - /* output buffer empty -- return if we're at the end of the input */ - else if (state->eof && strm->avail_in == 0) - break; - - /* need output data -- for small len or new stream load up our output - buffer */ - else if (state->how == LOOK || len < (state->size << 1)) { - /* get more output, looking for header if required */ - if (gz_make(state) == -1) - return -1; - continue; /* no progress yet -- go back to memcpy() above */ - /* the copy above assures that we will leave with space in the - output buffer, allowing at least one gzungetc() to succeed */ - } - - /* large len -- read directly into user buffer */ - else if (state->how == COPY) { /* read directly */ - if (gz_load(state, buf, len, &n) == -1) - return -1; - } - - /* large len -- decompress directly into user buffer */ - else { /* state->how == GZIP */ - strm->avail_out = len; - strm->next_out = buf; - if (gz_decomp(state) == -1) - return -1; - n = state->have; - state->have = 0; - } - - /* update progress */ - len -= n; - buf = (char *)buf + n; - got += n; - state->pos += n; - } while (len); - - /* return number of bytes read into user buffer (will fit in int) */ - return (int)got; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzgetc(file) - gzFile file; -{ - int ret; - unsigned char buf[1]; - gz_statep state; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) - return -1; - - /* try output buffer (no need to check for skip request) */ - if (state->have) { - state->have--; - state->pos++; - return *(state->next)++; - } - - /* nothing there -- try gzread() */ - ret = gzread(file, buf, 1); - return ret < 1 ? -1 : buf[0]; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzungetc(c, file) - int c; - gzFile file; -{ - gz_statep state; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) - return -1; - - /* process a skip request */ - if (state->seek) { - state->seek = 0; - if (gz_skip(state, state->skip) == -1) - return -1; - } - - /* can't push EOF */ - if (c < 0) - return -1; - - /* if output buffer empty, put byte at end (allows more pushing) */ - if (state->have == 0) { - state->have = 1; - state->next = state->out + (state->size << 1) - 1; - state->next[0] = c; - state->pos--; - return c; - } - - /* if no room, give up (must have already done a gzungetc()) */ - if (state->have == (state->size << 1)) { - gz_error(state, Z_BUF_ERROR, "out of room to push characters"); - return -1; - } - - /* slide output data if needed and insert byte before existing data */ - if (state->next == state->out) { - unsigned char *src = state->out + state->have; - unsigned char *dest = state->out + (state->size << 1); - while (src > state->out) - *--dest = *--src; - state->next = dest; - } - state->have++; - state->next--; - state->next[0] = c; - state->pos--; - return c; -} - -/* -- see zlib.h -- */ -char * ZEXPORT gzgets(file, buf, len) - gzFile file; - char *buf; - int len; -{ - unsigned left, n; - char *str; - unsigned char *eol; - gz_statep state; - - /* check parameters and get internal structure */ - if (file == NULL || buf == NULL || len < 1) - return NULL; - state = (gz_statep)file; - - /* check that we're reading and that there's no error */ - if (state->mode != GZ_READ || state->err != Z_OK) - return NULL; - - /* process a skip request */ - if (state->seek) { - state->seek = 0; - if (gz_skip(state, state->skip) == -1) - return NULL; - } - - /* copy output bytes up to new line or len - 1, whichever comes first -- - append a terminating zero to the string (we don't check for a zero in - the contents, let the user worry about that) */ - str = buf; - left = (unsigned)len - 1; - if (left) do { - /* assure that something is in the output buffer */ - if (state->have == 0) { - if (gz_make(state) == -1) - return NULL; /* error */ - if (state->have == 0) { /* end of file */ - if (buf == str) /* got bupkus */ - return NULL; - break; /* got something -- return it */ - } - } - - /* look for end-of-line in current output buffer */ - n = state->have > left ? left : state->have; - eol = memchr(state->next, '\n', n); - if (eol != NULL) - n = (unsigned)(eol - state->next) + 1; - - /* copy through end-of-line, or remainder if not found */ - memcpy(buf, state->next, n); - state->have -= n; - state->next += n; - state->pos += n; - left -= n; - buf += n; - } while (left && eol == NULL); - - /* found end-of-line or out of space -- terminate string and return it */ - buf[0] = 0; - return str; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzdirect(file) - gzFile file; -{ - gz_statep state; - - /* get internal structure */ - if (file == NULL) - return 0; - state = (gz_statep)file; - - /* check that we're reading */ - if (state->mode != GZ_READ) - return 0; - - /* if the state is not known, but we can find out, then do so (this is - mainly for right after a gzopen() or gzdopen()) */ - if (state->how == LOOK && state->have == 0) - (void)gz_head(state); - - /* return 1 if reading direct, 0 if decompressing a gzip stream */ - return state->direct; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzclose_r(file) - gzFile file; -{ - int ret; - gz_statep state; - - /* get internal structure */ - if (file == NULL) - return Z_STREAM_ERROR; - state = (gz_statep)file; - - /* check that we're reading */ - if (state->mode != GZ_READ) - return Z_STREAM_ERROR; - - /* free memory and close file */ - if (state->size) { - inflateEnd(&(state->strm)); - free(state->out); - free(state->in); - } - gz_error(state, Z_OK, NULL); - free(state->path); - ret = close(state->fd); - free(state); - return ret ? Z_ERRNO : Z_OK; -} diff --git a/common/zlib/gzwrite.c b/common/zlib/gzwrite.c deleted file mode 100644 index e8defc68..00000000 --- a/common/zlib/gzwrite.c +++ /dev/null @@ -1,531 +0,0 @@ -/* gzwrite.c -- zlib functions for writing gzip files - * Copyright (C) 2004, 2005, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "gzguts.h" - -/* Local functions */ -local int gz_init OF((gz_statep)); -local int gz_comp OF((gz_statep, int)); -local int gz_zero OF((gz_statep, z_off64_t)); - -/* Initialize state for writing a gzip file. Mark initialization by setting - state->size to non-zero. Return -1 on failure or 0 on success. */ -local int gz_init(state) - gz_statep state; -{ - int ret; - z_streamp strm = &(state->strm); - - /* allocate input and output buffers */ - state->in = malloc(state->want); - state->out = malloc(state->want); - if (state->in == NULL || state->out == NULL) { - if (state->out != NULL) - free(state->out); - if (state->in != NULL) - free(state->in); - gz_error(state, Z_MEM_ERROR, "out of memory"); - return -1; - } - - /* allocate deflate memory, set up for gzip compression */ - strm->zalloc = Z_NULL; - strm->zfree = Z_NULL; - strm->opaque = Z_NULL; - ret = deflateInit2(strm, state->level, Z_DEFLATED, - 15 + 16, 8, state->strategy); - if (ret != Z_OK) { - free(state->in); - gz_error(state, Z_MEM_ERROR, "out of memory"); - return -1; - } - - /* mark state as initialized */ - state->size = state->want; - - /* initialize write buffer */ - strm->avail_out = state->size; - strm->next_out = state->out; - state->next = strm->next_out; - return 0; -} - -/* Compress whatever is at avail_in and next_in and write to the output file. - Return -1 if there is an error writing to the output file, otherwise 0. - flush is assumed to be a valid deflate() flush value. If flush is Z_FINISH, - then the deflate() state is reset to start a new gzip stream. */ -local int gz_comp(state, flush) - gz_statep state; - int flush; -{ - int ret, got; - unsigned have; - z_streamp strm = &(state->strm); - - /* allocate memory if this is the first time through */ - if (state->size == 0 && gz_init(state) == -1) - return -1; - - /* run deflate() on provided input until it produces no more output */ - ret = Z_OK; - do { - /* write out current buffer contents if full, or if flushing, but if - doing Z_FINISH then don't write until we get to Z_STREAM_END */ - if (strm->avail_out == 0 || (flush != Z_NO_FLUSH && - (flush != Z_FINISH || ret == Z_STREAM_END))) { - have = (unsigned)(strm->next_out - state->next); - if (have && ((got = write(state->fd, state->next, have)) < 0 || - (unsigned)got != have)) { - gz_error(state, Z_ERRNO, zstrerror()); - return -1; - } - if (strm->avail_out == 0) { - strm->avail_out = state->size; - strm->next_out = state->out; - } - state->next = strm->next_out; - } - - /* compress */ - have = strm->avail_out; - ret = deflate(strm, flush); - if (ret == Z_STREAM_ERROR) { - gz_error(state, Z_STREAM_ERROR, - "internal error: deflate stream corrupt"); - return -1; - } - have -= strm->avail_out; - } while (have); - - /* if that completed a deflate stream, allow another to start */ - if (flush == Z_FINISH) - deflateReset(strm); - - /* all done, no errors */ - return 0; -} - -/* Compress len zeros to output. Return -1 on error, 0 on success. */ -local int gz_zero(state, len) - gz_statep state; - z_off64_t len; -{ - int first; - unsigned n; - z_streamp strm = &(state->strm); - - /* consume whatever's left in the input buffer */ - if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) - return -1; - - /* compress len zeros (len guaranteed > 0) */ - first = 1; - while (len) { - n = GT_OFF(state->size) || (z_off64_t)state->size > len ? - (unsigned)len : state->size; - if (first) { - memset(state->in, 0, n); - first = 0; - } - strm->avail_in = n; - strm->next_in = state->in; - state->pos += n; - if (gz_comp(state, Z_NO_FLUSH) == -1) - return -1; - len -= n; - } - return 0; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzwrite(file, buf, len) - gzFile file; - voidpc buf; - unsigned len; -{ - unsigned put = len; - unsigned n; - gz_statep state; - z_streamp strm; - - /* get internal structure */ - if (file == NULL) - return 0; - state = (gz_statep)file; - strm = &(state->strm); - - /* check that we're writing and that there's no error */ - if (state->mode != GZ_WRITE || state->err != Z_OK) - return 0; - - /* since an int is returned, make sure len fits in one, otherwise return - with an error (this avoids the flaw in the interface) */ - if ((int)len < 0) { - gz_error(state, Z_BUF_ERROR, "requested length does not fit in int"); - return 0; - } - - /* if len is zero, avoid unnecessary operations */ - if (len == 0) - return 0; - - /* allocate memory if this is the first time through */ - if (state->size == 0 && gz_init(state) == -1) - return 0; - - /* check for seek request */ - if (state->seek) { - state->seek = 0; - if (gz_zero(state, state->skip) == -1) - return 0; - } - - /* for small len, copy to input buffer, otherwise compress directly */ - if (len < state->size) { - /* copy to input buffer, compress when full */ - do { - if (strm->avail_in == 0) - strm->next_in = state->in; - n = state->size - strm->avail_in; - if (n > len) - n = len; - memcpy(strm->next_in + strm->avail_in, buf, n); - strm->avail_in += n; - state->pos += n; - buf = (char *)buf + n; - len -= n; - if (len && gz_comp(state, Z_NO_FLUSH) == -1) - return 0; - } while (len); - } - else { - /* consume whatever's left in the input buffer */ - if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) - return 0; - - /* directly compress user buffer to file */ - strm->avail_in = len; - strm->next_in = (voidp)buf; - state->pos += len; - if (gz_comp(state, Z_NO_FLUSH) == -1) - return 0; - } - - /* input was all buffered or compressed (put will fit in int) */ - return (int)put; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzputc(file, c) - gzFile file; - int c; -{ - unsigned char buf[1]; - gz_statep state; - z_streamp strm; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - strm = &(state->strm); - - /* check that we're writing and that there's no error */ - if (state->mode != GZ_WRITE || state->err != Z_OK) - return -1; - - /* check for seek request */ - if (state->seek) { - state->seek = 0; - if (gz_zero(state, state->skip) == -1) - return -1; - } - - /* try writing to input buffer for speed (state->size == 0 if buffer not - initialized) */ - if (strm->avail_in < state->size) { - if (strm->avail_in == 0) - strm->next_in = state->in; - strm->next_in[strm->avail_in++] = c; - state->pos++; - return c; - } - - /* no room in buffer or not initialized, use gz_write() */ - buf[0] = c; - if (gzwrite(file, buf, 1) != 1) - return -1; - return c; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzputs(file, str) - gzFile file; - const char *str; -{ - int ret; - unsigned len; - - /* write string */ - len = (unsigned)strlen(str); - ret = gzwrite(file, str, len); - return ret == 0 && len != 0 ? -1 : ret; -} - -#ifdef STDC -#include <stdarg.h> - -/* -- see zlib.h -- */ -int ZEXPORTVA gzprintf (gzFile file, const char *format, ...) -{ - int size, len; - gz_statep state; - z_streamp strm; - va_list va; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - strm = &(state->strm); - - /* check that we're writing and that there's no error */ - if (state->mode != GZ_WRITE || state->err != Z_OK) - return 0; - - /* make sure we have some buffer space */ - if (state->size == 0 && gz_init(state) == -1) - return 0; - - /* check for seek request */ - if (state->seek) { - state->seek = 0; - if (gz_zero(state, state->skip) == -1) - return 0; - } - - /* consume whatever's left in the input buffer */ - if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) - return 0; - - /* do the printf() into the input buffer, put length in len */ - size = (int)(state->size); - state->in[size - 1] = 0; - va_start(va, format); -#ifdef NO_vsnprintf -# ifdef HAS_vsprintf_void - (void)vsprintf(state->in, format, va); - va_end(va); - for (len = 0; len < size; len++) - if (state->in[len] == 0) break; -# else - len = vsprintf(state->in, format, va); - va_end(va); -# endif -#else -# ifdef HAS_vsnprintf_void - (void)vsnprintf(state->in, size, format, va); - va_end(va); - len = strlen(state->in); -# else - len = vsnprintf((char *)(state->in), size, format, va); - va_end(va); -# endif -#endif - - /* check that printf() results fit in buffer */ - if (len <= 0 || len >= (int)size || state->in[size - 1] != 0) - return 0; - - /* update buffer and position, defer compression until needed */ - strm->avail_in = (unsigned)len; - strm->next_in = state->in; - state->pos += len; - return len; -} - -#else /* !STDC */ - -/* -- see zlib.h -- */ -int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, - a11, a12, a13, a14, a15, a16, a17, a18, a19, a20) - gzFile file; - const char *format; - int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, - a11, a12, a13, a14, a15, a16, a17, a18, a19, a20; -{ - int size, len; - gz_statep state; - z_streamp strm; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - strm = &(state->strm); - - /* check that we're writing and that there's no error */ - if (state->mode != GZ_WRITE || state->err != Z_OK) - return 0; - - /* make sure we have some buffer space */ - if (state->size == 0 && gz_init(state) == -1) - return 0; - - /* check for seek request */ - if (state->seek) { - state->seek = 0; - if (gz_zero(state, state->skip) == -1) - return 0; - } - - /* consume whatever's left in the input buffer */ - if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) - return 0; - - /* do the printf() into the input buffer, put length in len */ - size = (int)(state->size); - state->in[size - 1] = 0; -#ifdef NO_snprintf -# ifdef HAS_sprintf_void - sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); - for (len = 0; len < size; len++) - if (state->in[len] == 0) break; -# else - len = sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -# endif -#else -# ifdef HAS_snprintf_void - snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); - len = strlen(state->in); -# else - len = snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8, - a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -# endif -#endif - - /* check that printf() results fit in buffer */ - if (len <= 0 || len >= (int)size || state->in[size - 1] != 0) - return 0; - - /* update buffer and position, defer compression until needed */ - strm->avail_in = (unsigned)len; - strm->next_in = state->in; - state->pos += len; - return len; -} - -#endif - -/* -- see zlib.h -- */ -int ZEXPORT gzflush(file, flush) - gzFile file; - int flush; -{ - gz_statep state; - - /* get internal structure */ - if (file == NULL) - return -1; - state = (gz_statep)file; - - /* check that we're writing and that there's no error */ - if (state->mode != GZ_WRITE || state->err != Z_OK) - return Z_STREAM_ERROR; - - /* check flush parameter */ - if (flush < 0 || flush > Z_FINISH) - return Z_STREAM_ERROR; - - /* check for seek request */ - if (state->seek) { - state->seek = 0; - if (gz_zero(state, state->skip) == -1) - return -1; - } - - /* compress remaining data with requested flush */ - gz_comp(state, flush); - return state->err; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzsetparams(file, level, strategy) - gzFile file; - int level; - int strategy; -{ - gz_statep state; - z_streamp strm; - - /* get internal structure */ - if (file == NULL) - return Z_STREAM_ERROR; - state = (gz_statep)file; - strm = &(state->strm); - - /* check that we're writing and that there's no error */ - if (state->mode != GZ_WRITE || state->err != Z_OK) - return Z_STREAM_ERROR; - - /* if no change is requested, then do nothing */ - if (level == state->level && strategy == state->strategy) - return Z_OK; - - /* check for seek request */ - if (state->seek) { - state->seek = 0; - if (gz_zero(state, state->skip) == -1) - return -1; - } - - /* change compression parameters for subsequent input */ - if (state->size) { - /* flush previous input with previous parameters before changing */ - if (strm->avail_in && gz_comp(state, Z_PARTIAL_FLUSH) == -1) - return state->err; - deflateParams(strm, level, strategy); - } - state->level = level; - state->strategy = strategy; - return Z_OK; -} - -/* -- see zlib.h -- */ -int ZEXPORT gzclose_w(file) - gzFile file; -{ - int ret = 0; - gz_statep state; - - /* get internal structure */ - if (file == NULL) - return Z_STREAM_ERROR; - state = (gz_statep)file; - - /* check that we're writing */ - if (state->mode != GZ_WRITE) - return Z_STREAM_ERROR; - - /* check for seek request */ - if (state->seek) { - state->seek = 0; - ret += gz_zero(state, state->skip); - } - - /* flush, free memory, and close file */ - ret += gz_comp(state, Z_FINISH); - (void)deflateEnd(&(state->strm)); - free(state->out); - free(state->in); - gz_error(state, Z_OK, NULL); - free(state->path); - ret += close(state->fd); - free(state); - return ret ? Z_ERRNO : Z_OK; -} diff --git a/common/zlib/infback.c b/common/zlib/infback.c deleted file mode 100644 index af3a8c96..00000000 --- a/common/zlib/infback.c +++ /dev/null @@ -1,632 +0,0 @@ -/* infback.c -- inflate using a call-back interface - * Copyright (C) 1995-2009 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - This code is largely copied from inflate.c. Normally either infback.o or - inflate.o would be linked into an application--not both. The interface - with inffast.c is retained so that optimized assembler-coded versions of - inflate_fast() can be used with either inflate.c or infback.c. - */ - -#include "zutil.h" -#include "inftrees.h" -#include "inflate.h" -#include "inffast.h" - -/* function prototypes */ -local void fixedtables OF((struct inflate_state FAR *state)); - -/* - strm provides memory allocation functions in zalloc and zfree, or - Z_NULL to use the library memory allocation functions. - - windowBits is in the range 8..15, and window is a user-supplied - window and output buffer that is 2**windowBits bytes. - */ -int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size) -z_streamp strm; -int windowBits; -unsigned char FAR *window; -const char *version; -int stream_size; -{ - struct inflate_state FAR *state; - - if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || - stream_size != (int)(sizeof(z_stream))) - return Z_VERSION_ERROR; - if (strm == Z_NULL || window == Z_NULL || - windowBits < 8 || windowBits > 15) - return Z_STREAM_ERROR; - strm->msg = Z_NULL; /* in case we return an error */ - if (strm->zalloc == (alloc_func)0) { - strm->zalloc = zcalloc; - strm->opaque = (voidpf)0; - } - if (strm->zfree == (free_func)0) strm->zfree = zcfree; - state = (struct inflate_state FAR *)ZALLOC(strm, 1, - sizeof(struct inflate_state)); - if (state == Z_NULL) return Z_MEM_ERROR; - Tracev((stderr, "inflate: allocated\n")); - strm->state = (struct internal_state FAR *)state; - state->dmax = 32768U; - state->wbits = windowBits; - state->wsize = 1U << windowBits; - state->window = window; - state->wnext = 0; - state->whave = 0; - return Z_OK; -} - -/* - Return state with length and distance decoding tables and index sizes set to - fixed code decoding. Normally this returns fixed tables from inffixed.h. - If BUILDFIXED is defined, then instead this routine builds the tables the - first time it's called, and returns those tables the first time and - thereafter. This reduces the size of the code by about 2K bytes, in - exchange for a little execution time. However, BUILDFIXED should not be - used for threaded applications, since the rewriting of the tables and virgin - may not be thread-safe. - */ -local void fixedtables(state) -struct inflate_state FAR *state; -{ -#ifdef BUILDFIXED - static int virgin = 1; - static code *lenfix, *distfix; - static code fixed[544]; - - /* build fixed huffman tables if first call (may not be thread safe) */ - if (virgin) { - unsigned sym, bits; - static code *next; - - /* literal/length table */ - sym = 0; - while (sym < 144) state->lens[sym++] = 8; - while (sym < 256) state->lens[sym++] = 9; - while (sym < 280) state->lens[sym++] = 7; - while (sym < 288) state->lens[sym++] = 8; - next = fixed; - lenfix = next; - bits = 9; - inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); - - /* distance table */ - sym = 0; - while (sym < 32) state->lens[sym++] = 5; - distfix = next; - bits = 5; - inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); - - /* do this just once */ - virgin = 0; - } -#else /* !BUILDFIXED */ -# include "inffixed.h" -#endif /* BUILDFIXED */ - state->lencode = lenfix; - state->lenbits = 9; - state->distcode = distfix; - state->distbits = 5; -} - -/* Macros for inflateBack(): */ - -/* Load returned state from inflate_fast() */ -#define LOAD() \ - do { \ - put = strm->next_out; \ - left = strm->avail_out; \ - next = strm->next_in; \ - have = strm->avail_in; \ - hold = state->hold; \ - bits = state->bits; \ - } while (0) - -/* Set state from registers for inflate_fast() */ -#define RESTORE() \ - do { \ - strm->next_out = put; \ - strm->avail_out = left; \ - strm->next_in = next; \ - strm->avail_in = have; \ - state->hold = hold; \ - state->bits = bits; \ - } while (0) - -/* Clear the input bit accumulator */ -#define INITBITS() \ - do { \ - hold = 0; \ - bits = 0; \ - } while (0) - -/* Assure that some input is available. If input is requested, but denied, - then return a Z_BUF_ERROR from inflateBack(). */ -#define PULL() \ - do { \ - if (have == 0) { \ - have = in(in_desc, &next); \ - if (have == 0) { \ - next = Z_NULL; \ - ret = Z_BUF_ERROR; \ - goto inf_leave; \ - } \ - } \ - } while (0) - -/* Get a byte of input into the bit accumulator, or return from inflateBack() - with an error if there is no input available. */ -#define PULLBYTE() \ - do { \ - PULL(); \ - have--; \ - hold += (unsigned long)(*next++) << bits; \ - bits += 8; \ - } while (0) - -/* Assure that there are at least n bits in the bit accumulator. If there is - not enough available input to do that, then return from inflateBack() with - an error. */ -#define NEEDBITS(n) \ - do { \ - while (bits < (unsigned)(n)) \ - PULLBYTE(); \ - } while (0) - -/* Return the low n bits of the bit accumulator (n < 16) */ -#define BITS(n) \ - ((unsigned)hold & ((1U << (n)) - 1)) - -/* Remove n bits from the bit accumulator */ -#define DROPBITS(n) \ - do { \ - hold >>= (n); \ - bits -= (unsigned)(n); \ - } while (0) - -/* Remove zero to seven bits as needed to go to a byte boundary */ -#define BYTEBITS() \ - do { \ - hold >>= bits & 7; \ - bits -= bits & 7; \ - } while (0) - -/* Assure that some output space is available, by writing out the window - if it's full. If the write fails, return from inflateBack() with a - Z_BUF_ERROR. */ -#define ROOM() \ - do { \ - if (left == 0) { \ - put = state->window; \ - left = state->wsize; \ - state->whave = left; \ - if (out(out_desc, put, left)) { \ - ret = Z_BUF_ERROR; \ - goto inf_leave; \ - } \ - } \ - } while (0) - -/* - strm provides the memory allocation functions and window buffer on input, - and provides information on the unused input on return. For Z_DATA_ERROR - returns, strm will also provide an error message. - - in() and out() are the call-back input and output functions. When - inflateBack() needs more input, it calls in(). When inflateBack() has - filled the window with output, or when it completes with data in the - window, it calls out() to write out the data. The application must not - change the provided input until in() is called again or inflateBack() - returns. The application must not change the window/output buffer until - inflateBack() returns. - - in() and out() are called with a descriptor parameter provided in the - inflateBack() call. This parameter can be a structure that provides the - information required to do the read or write, as well as accumulated - information on the input and output such as totals and check values. - - in() should return zero on failure. out() should return non-zero on - failure. If either in() or out() fails, than inflateBack() returns a - Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it - was in() or out() that caused in the error. Otherwise, inflateBack() - returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format - error, or Z_MEM_ERROR if it could not allocate memory for the state. - inflateBack() can also return Z_STREAM_ERROR if the input parameters - are not correct, i.e. strm is Z_NULL or the state was not initialized. - */ -int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc) -z_streamp strm; -in_func in; -void FAR *in_desc; -out_func out; -void FAR *out_desc; -{ - struct inflate_state FAR *state; - unsigned char FAR *next; /* next input */ - unsigned char FAR *put; /* next output */ - unsigned have, left; /* available input and output */ - unsigned long hold; /* bit buffer */ - unsigned bits; /* bits in bit buffer */ - unsigned copy; /* number of stored or match bytes to copy */ - unsigned char FAR *from; /* where to copy match bytes from */ - code here; /* current decoding table entry */ - code last; /* parent table entry */ - unsigned len; /* length to copy for repeats, bits to drop */ - int ret; /* return code */ - static const unsigned short order[19] = /* permutation of code lengths */ - {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; - - /* Check that the strm exists and that the state was initialized */ - if (strm == Z_NULL || strm->state == Z_NULL) - return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - - /* Reset the state */ - strm->msg = Z_NULL; - state->mode = TYPE; - state->last = 0; - state->whave = 0; - next = strm->next_in; - have = next != Z_NULL ? strm->avail_in : 0; - hold = 0; - bits = 0; - put = state->window; - left = state->wsize; - - /* Inflate until end of block marked as last */ - for (;;) - switch (state->mode) { - case TYPE: - /* determine and dispatch block type */ - if (state->last) { - BYTEBITS(); - state->mode = DONE; - break; - } - NEEDBITS(3); - state->last = BITS(1); - DROPBITS(1); - switch (BITS(2)) { - case 0: /* stored block */ - Tracev((stderr, "inflate: stored block%s\n", - state->last ? " (last)" : "")); - state->mode = STORED; - break; - case 1: /* fixed block */ - fixedtables(state); - Tracev((stderr, "inflate: fixed codes block%s\n", - state->last ? " (last)" : "")); - state->mode = LEN; /* decode codes */ - break; - case 2: /* dynamic block */ - Tracev((stderr, "inflate: dynamic codes block%s\n", - state->last ? " (last)" : "")); - state->mode = TABLE; - break; - case 3: - strm->msg = (char *)"invalid block type"; - state->mode = BAD; - } - DROPBITS(2); - break; - - case STORED: - /* get and verify stored block length */ - BYTEBITS(); /* go to byte boundary */ - NEEDBITS(32); - if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { - strm->msg = (char *)"invalid stored block lengths"; - state->mode = BAD; - break; - } - state->length = (unsigned)hold & 0xffff; - Tracev((stderr, "inflate: stored length %u\n", - state->length)); - INITBITS(); - - /* copy stored block from input to output */ - while (state->length != 0) { - copy = state->length; - PULL(); - ROOM(); - if (copy > have) copy = have; - if (copy > left) copy = left; - zmemcpy(put, next, copy); - have -= copy; - next += copy; - left -= copy; - put += copy; - state->length -= copy; - } - Tracev((stderr, "inflate: stored end\n")); - state->mode = TYPE; - break; - - case TABLE: - /* get dynamic table entries descriptor */ - NEEDBITS(14); - state->nlen = BITS(5) + 257; - DROPBITS(5); - state->ndist = BITS(5) + 1; - DROPBITS(5); - state->ncode = BITS(4) + 4; - DROPBITS(4); -#ifndef PKZIP_BUG_WORKAROUND - if (state->nlen > 286 || state->ndist > 30) { - strm->msg = (char *)"too many length or distance symbols"; - state->mode = BAD; - break; - } -#endif - Tracev((stderr, "inflate: table sizes ok\n")); - - /* get code length code lengths (not a typo) */ - state->have = 0; - while (state->have < state->ncode) { - NEEDBITS(3); - state->lens[order[state->have++]] = (unsigned short)BITS(3); - DROPBITS(3); - } - while (state->have < 19) - state->lens[order[state->have++]] = 0; - state->next = state->codes; - state->lencode = (code const FAR *)(state->next); - state->lenbits = 7; - ret = inflate_table(CODES, state->lens, 19, &(state->next), - &(state->lenbits), state->work); - if (ret) { - strm->msg = (char *)"invalid code lengths set"; - state->mode = BAD; - break; - } - Tracev((stderr, "inflate: code lengths ok\n")); - - /* get length and distance code code lengths */ - state->have = 0; - while (state->have < state->nlen + state->ndist) { - for (;;) { - here = state->lencode[BITS(state->lenbits)]; - if ((unsigned)(here.bits) <= bits) break; - PULLBYTE(); - } - if (here.val < 16) { - NEEDBITS(here.bits); - DROPBITS(here.bits); - state->lens[state->have++] = here.val; - } - else { - if (here.val == 16) { - NEEDBITS(here.bits + 2); - DROPBITS(here.bits); - if (state->have == 0) { - strm->msg = (char *)"invalid bit length repeat"; - state->mode = BAD; - break; - } - len = (unsigned)(state->lens[state->have - 1]); - copy = 3 + BITS(2); - DROPBITS(2); - } - else if (here.val == 17) { - NEEDBITS(here.bits + 3); - DROPBITS(here.bits); - len = 0; - copy = 3 + BITS(3); - DROPBITS(3); - } - else { - NEEDBITS(here.bits + 7); - DROPBITS(here.bits); - len = 0; - copy = 11 + BITS(7); - DROPBITS(7); - } - if (state->have + copy > state->nlen + state->ndist) { - strm->msg = (char *)"invalid bit length repeat"; - state->mode = BAD; - break; - } - while (copy--) - state->lens[state->have++] = (unsigned short)len; - } - } - - /* handle error breaks in while */ - if (state->mode == BAD) break; - - /* check for end-of-block code (better have one) */ - if (state->lens[256] == 0) { - strm->msg = (char *)"invalid code -- missing end-of-block"; - state->mode = BAD; - break; - } - - /* build code tables -- note: do not change the lenbits or distbits - values here (9 and 6) without reading the comments in inftrees.h - concerning the ENOUGH constants, which depend on those values */ - state->next = state->codes; - state->lencode = (code const FAR *)(state->next); - state->lenbits = 9; - ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), - &(state->lenbits), state->work); - if (ret) { - strm->msg = (char *)"invalid literal/lengths set"; - state->mode = BAD; - break; - } - state->distcode = (code const FAR *)(state->next); - state->distbits = 6; - ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, - &(state->next), &(state->distbits), state->work); - if (ret) { - strm->msg = (char *)"invalid distances set"; - state->mode = BAD; - break; - } - Tracev((stderr, "inflate: codes ok\n")); - state->mode = LEN; - - case LEN: - /* use inflate_fast() if we have enough input and output */ - if (have >= 6 && left >= 258) { - RESTORE(); - if (state->whave < state->wsize) - state->whave = state->wsize - left; - inflate_fast(strm, state->wsize); - LOAD(); - break; - } - - /* get a literal, length, or end-of-block code */ - for (;;) { - here = state->lencode[BITS(state->lenbits)]; - if ((unsigned)(here.bits) <= bits) break; - PULLBYTE(); - } - if (here.op && (here.op & 0xf0) == 0) { - last = here; - for (;;) { - here = state->lencode[last.val + - (BITS(last.bits + last.op) >> last.bits)]; - if ((unsigned)(last.bits + here.bits) <= bits) break; - PULLBYTE(); - } - DROPBITS(last.bits); - } - DROPBITS(here.bits); - state->length = (unsigned)here.val; - - /* process literal */ - if (here.op == 0) { - Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? - "inflate: literal '%c'\n" : - "inflate: literal 0x%02x\n", here.val)); - ROOM(); - *put++ = (unsigned char)(state->length); - left--; - state->mode = LEN; - break; - } - - /* process end of block */ - if (here.op & 32) { - Tracevv((stderr, "inflate: end of block\n")); - state->mode = TYPE; - break; - } - - /* invalid code */ - if (here.op & 64) { - strm->msg = (char *)"invalid literal/length code"; - state->mode = BAD; - break; - } - - /* length code -- get extra bits, if any */ - state->extra = (unsigned)(here.op) & 15; - if (state->extra != 0) { - NEEDBITS(state->extra); - state->length += BITS(state->extra); - DROPBITS(state->extra); - } - Tracevv((stderr, "inflate: length %u\n", state->length)); - - /* get distance code */ - for (;;) { - here = state->distcode[BITS(state->distbits)]; - if ((unsigned)(here.bits) <= bits) break; - PULLBYTE(); - } - if ((here.op & 0xf0) == 0) { - last = here; - for (;;) { - here = state->distcode[last.val + - (BITS(last.bits + last.op) >> last.bits)]; - if ((unsigned)(last.bits + here.bits) <= bits) break; - PULLBYTE(); - } - DROPBITS(last.bits); - } - DROPBITS(here.bits); - if (here.op & 64) { - strm->msg = (char *)"invalid distance code"; - state->mode = BAD; - break; - } - state->offset = (unsigned)here.val; - - /* get distance extra bits, if any */ - state->extra = (unsigned)(here.op) & 15; - if (state->extra != 0) { - NEEDBITS(state->extra); - state->offset += BITS(state->extra); - DROPBITS(state->extra); - } - if (state->offset > state->wsize - (state->whave < state->wsize ? - left : 0)) { - strm->msg = (char *)"invalid distance too far back"; - state->mode = BAD; - break; - } - Tracevv((stderr, "inflate: distance %u\n", state->offset)); - - /* copy match from window to output */ - do { - ROOM(); - copy = state->wsize - state->offset; - if (copy < left) { - from = put + copy; - copy = left - copy; - } - else { - from = put - state->offset; - copy = left; - } - if (copy > state->length) copy = state->length; - state->length -= copy; - left -= copy; - do { - *put++ = *from++; - } while (--copy); - } while (state->length != 0); - break; - - case DONE: - /* inflate stream terminated properly -- write leftover output */ - ret = Z_STREAM_END; - if (left < state->wsize) { - if (out(out_desc, state->window, state->wsize - left)) - ret = Z_BUF_ERROR; - } - goto inf_leave; - - case BAD: - ret = Z_DATA_ERROR; - goto inf_leave; - - default: /* can't happen, but makes compilers happy */ - ret = Z_STREAM_ERROR; - goto inf_leave; - } - - /* Return unused input */ - inf_leave: - strm->next_in = next; - strm->avail_in = have; - return ret; -} - -int ZEXPORT inflateBackEnd(strm) -z_streamp strm; -{ - if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) - return Z_STREAM_ERROR; - ZFREE(strm, strm->state); - strm->state = Z_NULL; - Tracev((stderr, "inflate: end\n")); - return Z_OK; -} diff --git a/common/zlib/inffast.c b/common/zlib/inffast.c deleted file mode 100644 index 2f1d60b4..00000000 --- a/common/zlib/inffast.c +++ /dev/null @@ -1,340 +0,0 @@ -/* inffast.c -- fast decoding - * Copyright (C) 1995-2008, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "zutil.h" -#include "inftrees.h" -#include "inflate.h" -#include "inffast.h" - -#ifndef ASMINF - -/* Allow machine dependent optimization for post-increment or pre-increment. - Based on testing to date, - Pre-increment preferred for: - - PowerPC G3 (Adler) - - MIPS R5000 (Randers-Pehrson) - Post-increment preferred for: - - none - No measurable difference: - - Pentium III (Anderson) - - M68060 (Nikl) - */ -#ifdef POSTINC -# define OFF 0 -# define PUP(a) *(a)++ -#else -# define OFF 1 -# define PUP(a) *++(a) -#endif - -/* - Decode literal, length, and distance codes and write out the resulting - literal and match bytes until either not enough input or output is - available, an end-of-block is encountered, or a data error is encountered. - When large enough input and output buffers are supplied to inflate(), for - example, a 16K input buffer and a 64K output buffer, more than 95% of the - inflate execution time is spent in this routine. - - Entry assumptions: - - state->mode == LEN - strm->avail_in >= 6 - strm->avail_out >= 258 - start >= strm->avail_out - state->bits < 8 - - On return, state->mode is one of: - - LEN -- ran out of enough output space or enough available input - TYPE -- reached end of block code, inflate() to interpret next block - BAD -- error in block data - - Notes: - - - The maximum input bits used by a length/distance pair is 15 bits for the - length code, 5 bits for the length extra, 15 bits for the distance code, - and 13 bits for the distance extra. This totals 48 bits, or six bytes. - Therefore if strm->avail_in >= 6, then there is enough input to avoid - checking for available input while decoding. - - - The maximum bytes that a single length/distance pair can output is 258 - bytes, which is the maximum length that can be coded. inflate_fast() - requires strm->avail_out >= 258 for each loop to avoid checking for - output space. - */ -void ZLIB_INTERNAL inflate_fast(strm, start) -z_streamp strm; -unsigned start; /* inflate()'s starting value for strm->avail_out */ -{ - struct inflate_state FAR *state; - unsigned char FAR *in; /* local strm->next_in */ - unsigned char FAR *last; /* while in < last, enough input available */ - unsigned char FAR *out; /* local strm->next_out */ - unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ - unsigned char FAR *end; /* while out < end, enough space available */ -#ifdef INFLATE_STRICT - unsigned dmax; /* maximum distance from zlib header */ -#endif - unsigned wsize; /* window size or zero if not using window */ - unsigned whave; /* valid bytes in the window */ - unsigned wnext; /* window write index */ - unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */ - unsigned long hold; /* local strm->hold */ - unsigned bits; /* local strm->bits */ - code const FAR *lcode; /* local strm->lencode */ - code const FAR *dcode; /* local strm->distcode */ - unsigned lmask; /* mask for first level of length codes */ - unsigned dmask; /* mask for first level of distance codes */ - code here; /* retrieved table entry */ - unsigned op; /* code bits, operation, extra bits, or */ - /* window position, window bytes to copy */ - unsigned len; /* match length, unused bytes */ - unsigned dist; /* match distance */ - unsigned char FAR *from; /* where to copy match from */ - - /* copy state to local variables */ - state = (struct inflate_state FAR *)strm->state; - in = strm->next_in - OFF; - last = in + (strm->avail_in - 5); - out = strm->next_out - OFF; - beg = out - (start - strm->avail_out); - end = out + (strm->avail_out - 257); -#ifdef INFLATE_STRICT - dmax = state->dmax; -#endif - wsize = state->wsize; - whave = state->whave; - wnext = state->wnext; - window = state->window; - hold = state->hold; - bits = state->bits; - lcode = state->lencode; - dcode = state->distcode; - lmask = (1U << state->lenbits) - 1; - dmask = (1U << state->distbits) - 1; - - /* decode literals and length/distances until end-of-block or not enough - input data or output space */ - do { - if (bits < 15) { - hold += (unsigned long)(PUP(in)) << bits; - bits += 8; - hold += (unsigned long)(PUP(in)) << bits; - bits += 8; - } - here = lcode[hold & lmask]; - dolen: - op = (unsigned)(here.bits); - hold >>= op; - bits -= op; - op = (unsigned)(here.op); - if (op == 0) { /* literal */ - Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? - "inflate: literal '%c'\n" : - "inflate: literal 0x%02x\n", here.val)); - PUP(out) = (unsigned char)(here.val); - } - else if (op & 16) { /* length base */ - len = (unsigned)(here.val); - op &= 15; /* number of extra bits */ - if (op) { - if (bits < op) { - hold += (unsigned long)(PUP(in)) << bits; - bits += 8; - } - len += (unsigned)hold & ((1U << op) - 1); - hold >>= op; - bits -= op; - } - Tracevv((stderr, "inflate: length %u\n", len)); - if (bits < 15) { - hold += (unsigned long)(PUP(in)) << bits; - bits += 8; - hold += (unsigned long)(PUP(in)) << bits; - bits += 8; - } - here = dcode[hold & dmask]; - dodist: - op = (unsigned)(here.bits); - hold >>= op; - bits -= op; - op = (unsigned)(here.op); - if (op & 16) { /* distance base */ - dist = (unsigned)(here.val); - op &= 15; /* number of extra bits */ - if (bits < op) { - hold += (unsigned long)(PUP(in)) << bits; - bits += 8; - if (bits < op) { - hold += (unsigned long)(PUP(in)) << bits; - bits += 8; - } - } - dist += (unsigned)hold & ((1U << op) - 1); -#ifdef INFLATE_STRICT - if (dist > dmax) { - strm->msg = (char *)"invalid distance too far back"; - state->mode = BAD; - break; - } -#endif - hold >>= op; - bits -= op; - Tracevv((stderr, "inflate: distance %u\n", dist)); - op = (unsigned)(out - beg); /* max distance in output */ - if (dist > op) { /* see if copy from window */ - op = dist - op; /* distance back in window */ - if (op > whave) { - if (state->sane) { - strm->msg = - (char *)"invalid distance too far back"; - state->mode = BAD; - break; - } -#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR - if (len <= op - whave) { - do { - PUP(out) = 0; - } while (--len); - continue; - } - len -= op - whave; - do { - PUP(out) = 0; - } while (--op > whave); - if (op == 0) { - from = out - dist; - do { - PUP(out) = PUP(from); - } while (--len); - continue; - } -#endif - } - from = window - OFF; - if (wnext == 0) { /* very common case */ - from += wsize - op; - if (op < len) { /* some from window */ - len -= op; - do { - PUP(out) = PUP(from); - } while (--op); - from = out - dist; /* rest from output */ - } - } - else if (wnext < op) { /* wrap around window */ - from += wsize + wnext - op; - op -= wnext; - if (op < len) { /* some from end of window */ - len -= op; - do { - PUP(out) = PUP(from); - } while (--op); - from = window - OFF; - if (wnext < len) { /* some from start of window */ - op = wnext; - len -= op; - do { - PUP(out) = PUP(from); - } while (--op); - from = out - dist; /* rest from output */ - } - } - } - else { /* contiguous in window */ - from += wnext - op; - if (op < len) { /* some from window */ - len -= op; - do { - PUP(out) = PUP(from); - } while (--op); - from = out - dist; /* rest from output */ - } - } - while (len > 2) { - PUP(out) = PUP(from); - PUP(out) = PUP(from); - PUP(out) = PUP(from); - len -= 3; - } - if (len) { - PUP(out) = PUP(from); - if (len > 1) - PUP(out) = PUP(from); - } - } - else { - from = out - dist; /* copy direct from output */ - do { /* minimum length is three */ - PUP(out) = PUP(from); - PUP(out) = PUP(from); - PUP(out) = PUP(from); - len -= 3; - } while (len > 2); - if (len) { - PUP(out) = PUP(from); - if (len > 1) - PUP(out) = PUP(from); - } - } - } - else if ((op & 64) == 0) { /* 2nd level distance code */ - here = dcode[here.val + (hold & ((1U << op) - 1))]; - goto dodist; - } - else { - strm->msg = (char *)"invalid distance code"; - state->mode = BAD; - break; - } - } - else if ((op & 64) == 0) { /* 2nd level length code */ - here = lcode[here.val + (hold & ((1U << op) - 1))]; - goto dolen; - } - else if (op & 32) { /* end-of-block */ - Tracevv((stderr, "inflate: end of block\n")); - state->mode = TYPE; - break; - } - else { - strm->msg = (char *)"invalid literal/length code"; - state->mode = BAD; - break; - } - } while (in < last && out < end); - - /* return unused bytes (on entry, bits < 8, so in won't go too far back) */ - len = bits >> 3; - in -= len; - bits -= len << 3; - hold &= (1U << bits) - 1; - - /* update state and return */ - strm->next_in = in + OFF; - strm->next_out = out + OFF; - strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last)); - strm->avail_out = (unsigned)(out < end ? - 257 + (end - out) : 257 - (out - end)); - state->hold = hold; - state->bits = bits; - return; -} - -/* - inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe): - - Using bit fields for code structure - - Different op definition to avoid & for extra bits (do & for table bits) - - Three separate decoding do-loops for direct, window, and wnext == 0 - - Special case for distance > 1 copies to do overlapped load and store copy - - Explicit branch predictions (based on measured branch probabilities) - - Deferring match copy and interspersed it with decoding subsequent codes - - Swapping literal/length else - - Swapping window/direct else - - Larger unrolled copy loops (three is about right) - - Moving len -= 3 statement into middle of loop - */ - -#endif /* !ASMINF */ diff --git a/common/zlib/inffast.h b/common/zlib/inffast.h deleted file mode 100644 index e5c1aa4c..00000000 --- a/common/zlib/inffast.h +++ /dev/null @@ -1,11 +0,0 @@ -/* inffast.h -- header to use inffast.c - * Copyright (C) 1995-2003, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is - part of the implementation of the compression library and is - subject to change. Applications should only use zlib.h. - */ - -void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start)); diff --git a/common/zlib/inffixed.h b/common/zlib/inffixed.h deleted file mode 100644 index 75ed4b59..00000000 --- a/common/zlib/inffixed.h +++ /dev/null @@ -1,94 +0,0 @@ - /* inffixed.h -- table for decoding fixed codes - * Generated automatically by makefixed(). - */ - - /* WARNING: this file should *not* be used by applications. It - is part of the implementation of the compression library and - is subject to change. Applications should only use zlib.h. - */ - - static const code lenfix[512] = { - {96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48}, - {0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128}, - {0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59}, - {0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176}, - {0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20}, - {21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100}, - {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8}, - {0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216}, - {18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76}, - {0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114}, - {0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2}, - {0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148}, - {20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42}, - {0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86}, - {0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15}, - {0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236}, - {16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62}, - {0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142}, - {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31}, - {0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162}, - {0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25}, - {0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105}, - {0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4}, - {0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202}, - {17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69}, - {0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125}, - {0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13}, - {0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195}, - {19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35}, - {0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91}, - {0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19}, - {0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246}, - {16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55}, - {0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135}, - {0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99}, - {0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190}, - {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16}, - {20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96}, - {0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6}, - {0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209}, - {17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72}, - {0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116}, - {0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4}, - {0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153}, - {20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44}, - {0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82}, - {0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11}, - {0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229}, - {16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58}, - {0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138}, - {0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51}, - {0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173}, - {0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30}, - {0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110}, - {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0}, - {0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195}, - {16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65}, - {0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121}, - {0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9}, - {0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258}, - {19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37}, - {0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93}, - {0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23}, - {0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251}, - {16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51}, - {0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131}, - {0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67}, - {0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183}, - {0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23}, - {64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103}, - {0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9}, - {0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223}, - {18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79}, - {0,9,255} - }; - - static const code distfix[32] = { - {16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025}, - {21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193}, - {18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385}, - {19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577}, - {16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073}, - {22,5,193},{64,5,0} - }; diff --git a/common/zlib/inflate.c b/common/zlib/inflate.c deleted file mode 100644 index a8431abe..00000000 --- a/common/zlib/inflate.c +++ /dev/null @@ -1,1480 +0,0 @@ -/* inflate.c -- zlib decompression - * Copyright (C) 1995-2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - * Change history: - * - * 1.2.beta0 24 Nov 2002 - * - First version -- complete rewrite of inflate to simplify code, avoid - * creation of window when not needed, minimize use of window when it is - * needed, make inffast.c even faster, implement gzip decoding, and to - * improve code readability and style over the previous zlib inflate code - * - * 1.2.beta1 25 Nov 2002 - * - Use pointers for available input and output checking in inffast.c - * - Remove input and output counters in inffast.c - * - Change inffast.c entry and loop from avail_in >= 7 to >= 6 - * - Remove unnecessary second byte pull from length extra in inffast.c - * - Unroll direct copy to three copies per loop in inffast.c - * - * 1.2.beta2 4 Dec 2002 - * - Change external routine names to reduce potential conflicts - * - Correct filename to inffixed.h for fixed tables in inflate.c - * - Make hbuf[] unsigned char to match parameter type in inflate.c - * - Change strm->next_out[-state->offset] to *(strm->next_out - state->offset) - * to avoid negation problem on Alphas (64 bit) in inflate.c - * - * 1.2.beta3 22 Dec 2002 - * - Add comments on state->bits assertion in inffast.c - * - Add comments on op field in inftrees.h - * - Fix bug in reuse of allocated window after inflateReset() - * - Remove bit fields--back to byte structure for speed - * - Remove distance extra == 0 check in inflate_fast()--only helps for lengths - * - Change post-increments to pre-increments in inflate_fast(), PPC biased? - * - Add compile time option, POSTINC, to use post-increments instead (Intel?) - * - Make MATCH copy in inflate() much faster for when inflate_fast() not used - * - Use local copies of stream next and avail values, as well as local bit - * buffer and bit count in inflate()--for speed when inflate_fast() not used - * - * 1.2.beta4 1 Jan 2003 - * - Split ptr - 257 statements in inflate_table() to avoid compiler warnings - * - Move a comment on output buffer sizes from inffast.c to inflate.c - * - Add comments in inffast.c to introduce the inflate_fast() routine - * - Rearrange window copies in inflate_fast() for speed and simplification - * - Unroll last copy for window match in inflate_fast() - * - Use local copies of window variables in inflate_fast() for speed - * - Pull out common wnext == 0 case for speed in inflate_fast() - * - Make op and len in inflate_fast() unsigned for consistency - * - Add FAR to lcode and dcode declarations in inflate_fast() - * - Simplified bad distance check in inflate_fast() - * - Added inflateBackInit(), inflateBack(), and inflateBackEnd() in new - * source file infback.c to provide a call-back interface to inflate for - * programs like gzip and unzip -- uses window as output buffer to avoid - * window copying - * - * 1.2.beta5 1 Jan 2003 - * - Improved inflateBack() interface to allow the caller to provide initial - * input in strm. - * - Fixed stored blocks bug in inflateBack() - * - * 1.2.beta6 4 Jan 2003 - * - Added comments in inffast.c on effectiveness of POSTINC - * - Typecasting all around to reduce compiler warnings - * - Changed loops from while (1) or do {} while (1) to for (;;), again to - * make compilers happy - * - Changed type of window in inflateBackInit() to unsigned char * - * - * 1.2.beta7 27 Jan 2003 - * - Changed many types to unsigned or unsigned short to avoid warnings - * - Added inflateCopy() function - * - * 1.2.0 9 Mar 2003 - * - Changed inflateBack() interface to provide separate opaque descriptors - * for the in() and out() functions - * - Changed inflateBack() argument and in_func typedef to swap the length - * and buffer address return values for the input function - * - Check next_in and next_out for Z_NULL on entry to inflate() - * - * The history for versions after 1.2.0 are in ChangeLog in zlib distribution. - */ - -#include "zutil.h" -#include "inftrees.h" -#include "inflate.h" -#include "inffast.h" - -#ifdef MAKEFIXED -# ifndef BUILDFIXED -# define BUILDFIXED -# endif -#endif - -/* function prototypes */ -local void fixedtables OF((struct inflate_state FAR *state)); -local int updatewindow OF((z_streamp strm, unsigned out)); -#ifdef BUILDFIXED - void makefixed OF((void)); -#endif -local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf, - unsigned len)); - -int ZEXPORT inflateReset(strm) -z_streamp strm; -{ - struct inflate_state FAR *state; - - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - strm->total_in = strm->total_out = state->total = 0; - strm->msg = Z_NULL; - strm->adler = 1; /* to support ill-conceived Java test suite */ - state->mode = HEAD; - state->last = 0; - state->havedict = 0; - state->dmax = 32768U; - state->head = Z_NULL; - state->wsize = 0; - state->whave = 0; - state->wnext = 0; - state->hold = 0; - state->bits = 0; - state->lencode = state->distcode = state->next = state->codes; - state->sane = 1; - state->back = -1; - Tracev((stderr, "inflate: reset\n")); - return Z_OK; -} - -int ZEXPORT inflateReset2(strm, windowBits) -z_streamp strm; -int windowBits; -{ - int wrap; - struct inflate_state FAR *state; - - /* get the state */ - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - - /* extract wrap request from windowBits parameter */ - if (windowBits < 0) { - wrap = 0; - windowBits = -windowBits; - } - else { - wrap = (windowBits >> 4) + 1; -#ifdef GUNZIP - if (windowBits < 48) - windowBits &= 15; -#endif - } - - /* set number of window bits, free window if different */ - if (windowBits && (windowBits < 8 || windowBits > 15)) - return Z_STREAM_ERROR; - if (state->window != Z_NULL && state->wbits != (unsigned)windowBits) { - ZFREE(strm, state->window); - state->window = Z_NULL; - } - - /* update state and reset the rest of it */ - state->wrap = wrap; - state->wbits = (unsigned)windowBits; - return inflateReset(strm); -} - -int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size) -z_streamp strm; -int windowBits; -const char *version; -int stream_size; -{ - int ret; - struct inflate_state FAR *state; - - if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || - stream_size != (int)(sizeof(z_stream))) - return Z_VERSION_ERROR; - if (strm == Z_NULL) return Z_STREAM_ERROR; - strm->msg = Z_NULL; /* in case we return an error */ - if (strm->zalloc == (alloc_func)0) { - strm->zalloc = zcalloc; - strm->opaque = (voidpf)0; - } - if (strm->zfree == (free_func)0) strm->zfree = zcfree; - state = (struct inflate_state FAR *) - ZALLOC(strm, 1, sizeof(struct inflate_state)); - if (state == Z_NULL) return Z_MEM_ERROR; - Tracev((stderr, "inflate: allocated\n")); - strm->state = (struct internal_state FAR *)state; - state->window = Z_NULL; - ret = inflateReset2(strm, windowBits); - if (ret != Z_OK) { - ZFREE(strm, state); - strm->state = Z_NULL; - } - return ret; -} - -int ZEXPORT inflateInit_(strm, version, stream_size) -z_streamp strm; -const char *version; -int stream_size; -{ - return inflateInit2_(strm, DEF_WBITS, version, stream_size); -} - -int ZEXPORT inflatePrime(strm, bits, value) -z_streamp strm; -int bits; -int value; -{ - struct inflate_state FAR *state; - - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - if (bits < 0) { - state->hold = 0; - state->bits = 0; - return Z_OK; - } - if (bits > 16 || state->bits + bits > 32) return Z_STREAM_ERROR; - value &= (1L << bits) - 1; - state->hold += value << state->bits; - state->bits += bits; - return Z_OK; -} - -/* - Return state with length and distance decoding tables and index sizes set to - fixed code decoding. Normally this returns fixed tables from inffixed.h. - If BUILDFIXED is defined, then instead this routine builds the tables the - first time it's called, and returns those tables the first time and - thereafter. This reduces the size of the code by about 2K bytes, in - exchange for a little execution time. However, BUILDFIXED should not be - used for threaded applications, since the rewriting of the tables and virgin - may not be thread-safe. - */ -local void fixedtables(state) -struct inflate_state FAR *state; -{ -#ifdef BUILDFIXED - static int virgin = 1; - static code *lenfix, *distfix; - static code fixed[544]; - - /* build fixed huffman tables if first call (may not be thread safe) */ - if (virgin) { - unsigned sym, bits; - static code *next; - - /* literal/length table */ - sym = 0; - while (sym < 144) state->lens[sym++] = 8; - while (sym < 256) state->lens[sym++] = 9; - while (sym < 280) state->lens[sym++] = 7; - while (sym < 288) state->lens[sym++] = 8; - next = fixed; - lenfix = next; - bits = 9; - inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); - - /* distance table */ - sym = 0; - while (sym < 32) state->lens[sym++] = 5; - distfix = next; - bits = 5; - inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); - - /* do this just once */ - virgin = 0; - } -#else /* !BUILDFIXED */ -# include "inffixed.h" -#endif /* BUILDFIXED */ - state->lencode = lenfix; - state->lenbits = 9; - state->distcode = distfix; - state->distbits = 5; -} - -#ifdef MAKEFIXED -#include <stdio.h> - -/* - Write out the inffixed.h that is #include'd above. Defining MAKEFIXED also - defines BUILDFIXED, so the tables are built on the fly. makefixed() writes - those tables to stdout, which would be piped to inffixed.h. A small program - can simply call makefixed to do this: - - void makefixed(void); - - int main(void) - { - makefixed(); - return 0; - } - - Then that can be linked with zlib built with MAKEFIXED defined and run: - - a.out > inffixed.h - */ -void makefixed() -{ - unsigned low, size; - struct inflate_state state; - - fixedtables(&state); - puts(" /* inffixed.h -- table for decoding fixed codes"); - puts(" * Generated automatically by makefixed()."); - puts(" */"); - puts(""); - puts(" /* WARNING: this file should *not* be used by applications."); - puts(" It is part of the implementation of this library and is"); - puts(" subject to change. Applications should only use zlib.h."); - puts(" */"); - puts(""); - size = 1U << 9; - printf(" static const code lenfix[%u] = {", size); - low = 0; - for (;;) { - if ((low % 7) == 0) printf("\n "); - printf("{%u,%u,%d}", state.lencode[low].op, state.lencode[low].bits, - state.lencode[low].val); - if (++low == size) break; - putchar(','); - } - puts("\n };"); - size = 1U << 5; - printf("\n static const code distfix[%u] = {", size); - low = 0; - for (;;) { - if ((low % 6) == 0) printf("\n "); - printf("{%u,%u,%d}", state.distcode[low].op, state.distcode[low].bits, - state.distcode[low].val); - if (++low == size) break; - putchar(','); - } - puts("\n };"); -} -#endif /* MAKEFIXED */ - -/* - Update the window with the last wsize (normally 32K) bytes written before - returning. If window does not exist yet, create it. This is only called - when a window is already in use, or when output has been written during this - inflate call, but the end of the deflate stream has not been reached yet. - It is also called to create a window for dictionary data when a dictionary - is loaded. - - Providing output buffers larger than 32K to inflate() should provide a speed - advantage, since only the last 32K of output is copied to the sliding window - upon return from inflate(), and since all distances after the first 32K of - output will fall in the output data, making match copies simpler and faster. - The advantage may be dependent on the size of the processor's data caches. - */ -local int updatewindow(strm, out) -z_streamp strm; -unsigned out; -{ - struct inflate_state FAR *state; - unsigned copy, dist; - - state = (struct inflate_state FAR *)strm->state; - - /* if it hasn't been done already, allocate space for the window */ - if (state->window == Z_NULL) { - state->window = (unsigned char FAR *) - ZALLOC(strm, 1U << state->wbits, - sizeof(unsigned char)); - if (state->window == Z_NULL) return 1; - } - - /* if window not in use yet, initialize */ - if (state->wsize == 0) { - state->wsize = 1U << state->wbits; - state->wnext = 0; - state->whave = 0; - } - - /* copy state->wsize or less output bytes into the circular window */ - copy = out - strm->avail_out; - if (copy >= state->wsize) { - zmemcpy(state->window, strm->next_out - state->wsize, state->wsize); - state->wnext = 0; - state->whave = state->wsize; - } - else { - dist = state->wsize - state->wnext; - if (dist > copy) dist = copy; - zmemcpy(state->window + state->wnext, strm->next_out - copy, dist); - copy -= dist; - if (copy) { - zmemcpy(state->window, strm->next_out - copy, copy); - state->wnext = copy; - state->whave = state->wsize; - } - else { - state->wnext += dist; - if (state->wnext == state->wsize) state->wnext = 0; - if (state->whave < state->wsize) state->whave += dist; - } - } - return 0; -} - -/* Macros for inflate(): */ - -/* check function to use adler32() for zlib or crc32() for gzip */ -#ifdef GUNZIP -# define UPDATE(check, buf, len) \ - (state->flags ? crc32(check, buf, len) : adler32(check, buf, len)) -#else -# define UPDATE(check, buf, len) adler32(check, buf, len) -#endif - -/* check macros for header crc */ -#ifdef GUNZIP -# define CRC2(check, word) \ - do { \ - hbuf[0] = (unsigned char)(word); \ - hbuf[1] = (unsigned char)((word) >> 8); \ - check = crc32(check, hbuf, 2); \ - } while (0) - -# define CRC4(check, word) \ - do { \ - hbuf[0] = (unsigned char)(word); \ - hbuf[1] = (unsigned char)((word) >> 8); \ - hbuf[2] = (unsigned char)((word) >> 16); \ - hbuf[3] = (unsigned char)((word) >> 24); \ - check = crc32(check, hbuf, 4); \ - } while (0) -#endif - -/* Load registers with state in inflate() for speed */ -#define LOAD() \ - do { \ - put = strm->next_out; \ - left = strm->avail_out; \ - next = strm->next_in; \ - have = strm->avail_in; \ - hold = state->hold; \ - bits = state->bits; \ - } while (0) - -/* Restore state from registers in inflate() */ -#define RESTORE() \ - do { \ - strm->next_out = put; \ - strm->avail_out = left; \ - strm->next_in = next; \ - strm->avail_in = have; \ - state->hold = hold; \ - state->bits = bits; \ - } while (0) - -/* Clear the input bit accumulator */ -#define INITBITS() \ - do { \ - hold = 0; \ - bits = 0; \ - } while (0) - -/* Get a byte of input into the bit accumulator, or return from inflate() - if there is no input available. */ -#define PULLBYTE() \ - do { \ - if (have == 0) goto inf_leave; \ - have--; \ - hold += (unsigned long)(*next++) << bits; \ - bits += 8; \ - } while (0) - -/* Assure that there are at least n bits in the bit accumulator. If there is - not enough available input to do that, then return from inflate(). */ -#define NEEDBITS(n) \ - do { \ - while (bits < (unsigned)(n)) \ - PULLBYTE(); \ - } while (0) - -/* Return the low n bits of the bit accumulator (n < 16) */ -#define BITS(n) \ - ((unsigned)hold & ((1U << (n)) - 1)) - -/* Remove n bits from the bit accumulator */ -#define DROPBITS(n) \ - do { \ - hold >>= (n); \ - bits -= (unsigned)(n); \ - } while (0) - -/* Remove zero to seven bits as needed to go to a byte boundary */ -#define BYTEBITS() \ - do { \ - hold >>= bits & 7; \ - bits -= bits & 7; \ - } while (0) - -/* Reverse the bytes in a 32-bit value */ -#define REVERSE(q) \ - ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ - (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) - -/* - inflate() uses a state machine to process as much input data and generate as - much output data as possible before returning. The state machine is - structured roughly as follows: - - for (;;) switch (state) { - ... - case STATEn: - if (not enough input data or output space to make progress) - return; - ... make progress ... - state = STATEm; - break; - ... - } - - so when inflate() is called again, the same case is attempted again, and - if the appropriate resources are provided, the machine proceeds to the - next state. The NEEDBITS() macro is usually the way the state evaluates - whether it can proceed or should return. NEEDBITS() does the return if - the requested bits are not available. The typical use of the BITS macros - is: - - NEEDBITS(n); - ... do something with BITS(n) ... - DROPBITS(n); - - where NEEDBITS(n) either returns from inflate() if there isn't enough - input left to load n bits into the accumulator, or it continues. BITS(n) - gives the low n bits in the accumulator. When done, DROPBITS(n) drops - the low n bits off the accumulator. INITBITS() clears the accumulator - and sets the number of available bits to zero. BYTEBITS() discards just - enough bits to put the accumulator on a byte boundary. After BYTEBITS() - and a NEEDBITS(8), then BITS(8) would return the next byte in the stream. - - NEEDBITS(n) uses PULLBYTE() to get an available byte of input, or to return - if there is no input available. The decoding of variable length codes uses - PULLBYTE() directly in order to pull just enough bytes to decode the next - code, and no more. - - Some states loop until they get enough input, making sure that enough - state information is maintained to continue the loop where it left off - if NEEDBITS() returns in the loop. For example, want, need, and keep - would all have to actually be part of the saved state in case NEEDBITS() - returns: - - case STATEw: - while (want < need) { - NEEDBITS(n); - keep[want++] = BITS(n); - DROPBITS(n); - } - state = STATEx; - case STATEx: - - As shown above, if the next state is also the next case, then the break - is omitted. - - A state may also return if there is not enough output space available to - complete that state. Those states are copying stored data, writing a - literal byte, and copying a matching string. - - When returning, a "goto inf_leave" is used to update the total counters, - update the check value, and determine whether any progress has been made - during that inflate() call in order to return the proper return code. - Progress is defined as a change in either strm->avail_in or strm->avail_out. - When there is a window, goto inf_leave will update the window with the last - output written. If a goto inf_leave occurs in the middle of decompression - and there is no window currently, goto inf_leave will create one and copy - output to the window for the next call of inflate(). - - In this implementation, the flush parameter of inflate() only affects the - return code (per zlib.h). inflate() always writes as much as possible to - strm->next_out, given the space available and the provided input--the effect - documented in zlib.h of Z_SYNC_FLUSH. Furthermore, inflate() always defers - the allocation of and copying into a sliding window until necessary, which - provides the effect documented in zlib.h for Z_FINISH when the entire input - stream available. So the only thing the flush parameter actually does is: - when flush is set to Z_FINISH, inflate() cannot return Z_OK. Instead it - will return Z_BUF_ERROR if it has not reached the end of the stream. - */ - -int ZEXPORT inflate(strm, flush) -z_streamp strm; -int flush; -{ - struct inflate_state FAR *state; - unsigned char FAR *next; /* next input */ - unsigned char FAR *put; /* next output */ - unsigned have, left; /* available input and output */ - unsigned long hold; /* bit buffer */ - unsigned bits; /* bits in bit buffer */ - unsigned in, out; /* save starting available input and output */ - unsigned copy; /* number of stored or match bytes to copy */ - unsigned char FAR *from; /* where to copy match bytes from */ - code here; /* current decoding table entry */ - code last; /* parent table entry */ - unsigned len; /* length to copy for repeats, bits to drop */ - int ret; /* return code */ -#ifdef GUNZIP - unsigned char hbuf[4]; /* buffer for gzip header crc calculation */ -#endif - static const unsigned short order[19] = /* permutation of code lengths */ - {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; - - if (strm == Z_NULL || strm->state == Z_NULL || strm->next_out == Z_NULL || - (strm->next_in == Z_NULL && strm->avail_in != 0)) - return Z_STREAM_ERROR; - - state = (struct inflate_state FAR *)strm->state; - if (state->mode == TYPE) state->mode = TYPEDO; /* skip check */ - LOAD(); - in = have; - out = left; - ret = Z_OK; - for (;;) - switch (state->mode) { - case HEAD: - if (state->wrap == 0) { - state->mode = TYPEDO; - break; - } - NEEDBITS(16); -#ifdef GUNZIP - if ((state->wrap & 2) && hold == 0x8b1f) { /* gzip header */ - state->check = crc32(0L, Z_NULL, 0); - CRC2(state->check, hold); - INITBITS(); - state->mode = FLAGS; - break; - } - state->flags = 0; /* expect zlib header */ - if (state->head != Z_NULL) - state->head->done = -1; - if (!(state->wrap & 1) || /* check if zlib header allowed */ -#else - if ( -#endif - ((BITS(8) << 8) + (hold >> 8)) % 31) { - strm->msg = (char *)"incorrect header check"; - state->mode = BAD; - break; - } - if (BITS(4) != Z_DEFLATED) { - strm->msg = (char *)"unknown compression method"; - state->mode = BAD; - break; - } - DROPBITS(4); - len = BITS(4) + 8; - if (state->wbits == 0) - state->wbits = len; - else if (len > state->wbits) { - strm->msg = (char *)"invalid window size"; - state->mode = BAD; - break; - } - state->dmax = 1U << len; - Tracev((stderr, "inflate: zlib header ok\n")); - strm->adler = state->check = adler32(0L, Z_NULL, 0); - state->mode = hold & 0x200 ? DICTID : TYPE; - INITBITS(); - break; -#ifdef GUNZIP - case FLAGS: - NEEDBITS(16); - state->flags = (int)(hold); - if ((state->flags & 0xff) != Z_DEFLATED) { - strm->msg = (char *)"unknown compression method"; - state->mode = BAD; - break; - } - if (state->flags & 0xe000) { - strm->msg = (char *)"unknown header flags set"; - state->mode = BAD; - break; - } - if (state->head != Z_NULL) - state->head->text = (int)((hold >> 8) & 1); - if (state->flags & 0x0200) CRC2(state->check, hold); - INITBITS(); - state->mode = TIME; - case TIME: - NEEDBITS(32); - if (state->head != Z_NULL) - state->head->time = hold; - if (state->flags & 0x0200) CRC4(state->check, hold); - INITBITS(); - state->mode = OS; - case OS: - NEEDBITS(16); - if (state->head != Z_NULL) { - state->head->xflags = (int)(hold & 0xff); - state->head->os = (int)(hold >> 8); - } - if (state->flags & 0x0200) CRC2(state->check, hold); - INITBITS(); - state->mode = EXLEN; - case EXLEN: - if (state->flags & 0x0400) { - NEEDBITS(16); - state->length = (unsigned)(hold); - if (state->head != Z_NULL) - state->head->extra_len = (unsigned)hold; - if (state->flags & 0x0200) CRC2(state->check, hold); - INITBITS(); - } - else if (state->head != Z_NULL) - state->head->extra = Z_NULL; - state->mode = EXTRA; - case EXTRA: - if (state->flags & 0x0400) { - copy = state->length; - if (copy > have) copy = have; - if (copy) { - if (state->head != Z_NULL && - state->head->extra != Z_NULL) { - len = state->head->extra_len - state->length; - zmemcpy(state->head->extra + len, next, - len + copy > state->head->extra_max ? - state->head->extra_max - len : copy); - } - if (state->flags & 0x0200) - state->check = crc32(state->check, next, copy); - have -= copy; - next += copy; - state->length -= copy; - } - if (state->length) goto inf_leave; - } - state->length = 0; - state->mode = NAME; - case NAME: - if (state->flags & 0x0800) { - if (have == 0) goto inf_leave; - copy = 0; - do { - len = (unsigned)(next[copy++]); - if (state->head != Z_NULL && - state->head->name != Z_NULL && - state->length < state->head->name_max) - state->head->name[state->length++] = len; - } while (len && copy < have); - if (state->flags & 0x0200) - state->check = crc32(state->check, next, copy); - have -= copy; - next += copy; - if (len) goto inf_leave; - } - else if (state->head != Z_NULL) - state->head->name = Z_NULL; - state->length = 0; - state->mode = COMMENT; - case COMMENT: - if (state->flags & 0x1000) { - if (have == 0) goto inf_leave; - copy = 0; - do { - len = (unsigned)(next[copy++]); - if (state->head != Z_NULL && - state->head->comment != Z_NULL && - state->length < state->head->comm_max) - state->head->comment[state->length++] = len; - } while (len && copy < have); - if (state->flags & 0x0200) - state->check = crc32(state->check, next, copy); - have -= copy; - next += copy; - if (len) goto inf_leave; - } - else if (state->head != Z_NULL) - state->head->comment = Z_NULL; - state->mode = HCRC; - case HCRC: - if (state->flags & 0x0200) { - NEEDBITS(16); - if (hold != (state->check & 0xffff)) { - strm->msg = (char *)"header crc mismatch"; - state->mode = BAD; - break; - } - INITBITS(); - } - if (state->head != Z_NULL) { - state->head->hcrc = (int)((state->flags >> 9) & 1); - state->head->done = 1; - } - strm->adler = state->check = crc32(0L, Z_NULL, 0); - state->mode = TYPE; - break; -#endif - case DICTID: - NEEDBITS(32); - strm->adler = state->check = REVERSE(hold); - INITBITS(); - state->mode = DICT; - case DICT: - if (state->havedict == 0) { - RESTORE(); - return Z_NEED_DICT; - } - strm->adler = state->check = adler32(0L, Z_NULL, 0); - state->mode = TYPE; - case TYPE: - if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave; - case TYPEDO: - if (state->last) { - BYTEBITS(); - state->mode = CHECK; - break; - } - NEEDBITS(3); - state->last = BITS(1); - DROPBITS(1); - switch (BITS(2)) { - case 0: /* stored block */ - Tracev((stderr, "inflate: stored block%s\n", - state->last ? " (last)" : "")); - state->mode = STORED; - break; - case 1: /* fixed block */ - fixedtables(state); - Tracev((stderr, "inflate: fixed codes block%s\n", - state->last ? " (last)" : "")); - state->mode = LEN_; /* decode codes */ - if (flush == Z_TREES) { - DROPBITS(2); - goto inf_leave; - } - break; - case 2: /* dynamic block */ - Tracev((stderr, "inflate: dynamic codes block%s\n", - state->last ? " (last)" : "")); - state->mode = TABLE; - break; - case 3: - strm->msg = (char *)"invalid block type"; - state->mode = BAD; - } - DROPBITS(2); - break; - case STORED: - BYTEBITS(); /* go to byte boundary */ - NEEDBITS(32); - if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { - strm->msg = (char *)"invalid stored block lengths"; - state->mode = BAD; - break; - } - state->length = (unsigned)hold & 0xffff; - Tracev((stderr, "inflate: stored length %u\n", - state->length)); - INITBITS(); - state->mode = COPY_; - if (flush == Z_TREES) goto inf_leave; - case COPY_: - state->mode = COPY; - case COPY: - copy = state->length; - if (copy) { - if (copy > have) copy = have; - if (copy > left) copy = left; - if (copy == 0) goto inf_leave; - zmemcpy(put, next, copy); - have -= copy; - next += copy; - left -= copy; - put += copy; - state->length -= copy; - break; - } - Tracev((stderr, "inflate: stored end\n")); - state->mode = TYPE; - break; - case TABLE: - NEEDBITS(14); - state->nlen = BITS(5) + 257; - DROPBITS(5); - state->ndist = BITS(5) + 1; - DROPBITS(5); - state->ncode = BITS(4) + 4; - DROPBITS(4); -#ifndef PKZIP_BUG_WORKAROUND - if (state->nlen > 286 || state->ndist > 30) { - strm->msg = (char *)"too many length or distance symbols"; - state->mode = BAD; - break; - } -#endif - Tracev((stderr, "inflate: table sizes ok\n")); - state->have = 0; - state->mode = LENLENS; - case LENLENS: - while (state->have < state->ncode) { - NEEDBITS(3); - state->lens[order[state->have++]] = (unsigned short)BITS(3); - DROPBITS(3); - } - while (state->have < 19) - state->lens[order[state->have++]] = 0; - state->next = state->codes; - state->lencode = (code const FAR *)(state->next); - state->lenbits = 7; - ret = inflate_table(CODES, state->lens, 19, &(state->next), - &(state->lenbits), state->work); - if (ret) { - strm->msg = (char *)"invalid code lengths set"; - state->mode = BAD; - break; - } - Tracev((stderr, "inflate: code lengths ok\n")); - state->have = 0; - state->mode = CODELENS; - case CODELENS: - while (state->have < state->nlen + state->ndist) { - for (;;) { - here = state->lencode[BITS(state->lenbits)]; - if ((unsigned)(here.bits) <= bits) break; - PULLBYTE(); - } - if (here.val < 16) { - NEEDBITS(here.bits); - DROPBITS(here.bits); - state->lens[state->have++] = here.val; - } - else { - if (here.val == 16) { - NEEDBITS(here.bits + 2); - DROPBITS(here.bits); - if (state->have == 0) { - strm->msg = (char *)"invalid bit length repeat"; - state->mode = BAD; - break; - } - len = state->lens[state->have - 1]; - copy = 3 + BITS(2); - DROPBITS(2); - } - else if (here.val == 17) { - NEEDBITS(here.bits + 3); - DROPBITS(here.bits); - len = 0; - copy = 3 + BITS(3); - DROPBITS(3); - } - else { - NEEDBITS(here.bits + 7); - DROPBITS(here.bits); - len = 0; - copy = 11 + BITS(7); - DROPBITS(7); - } - if (state->have + copy > state->nlen + state->ndist) { - strm->msg = (char *)"invalid bit length repeat"; - state->mode = BAD; - break; - } - while (copy--) - state->lens[state->have++] = (unsigned short)len; - } - } - - /* handle error breaks in while */ - if (state->mode == BAD) break; - - /* check for end-of-block code (better have one) */ - if (state->lens[256] == 0) { - strm->msg = (char *)"invalid code -- missing end-of-block"; - state->mode = BAD; - break; - } - - /* build code tables -- note: do not change the lenbits or distbits - values here (9 and 6) without reading the comments in inftrees.h - concerning the ENOUGH constants, which depend on those values */ - state->next = state->codes; - state->lencode = (code const FAR *)(state->next); - state->lenbits = 9; - ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), - &(state->lenbits), state->work); - if (ret) { - strm->msg = (char *)"invalid literal/lengths set"; - state->mode = BAD; - break; - } - state->distcode = (code const FAR *)(state->next); - state->distbits = 6; - ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, - &(state->next), &(state->distbits), state->work); - if (ret) { - strm->msg = (char *)"invalid distances set"; - state->mode = BAD; - break; - } - Tracev((stderr, "inflate: codes ok\n")); - state->mode = LEN_; - if (flush == Z_TREES) goto inf_leave; - case LEN_: - state->mode = LEN; - case LEN: - if (have >= 6 && left >= 258) { - RESTORE(); - inflate_fast(strm, out); - LOAD(); - if (state->mode == TYPE) - state->back = -1; - break; - } - state->back = 0; - for (;;) { - here = state->lencode[BITS(state->lenbits)]; - if ((unsigned)(here.bits) <= bits) break; - PULLBYTE(); - } - if (here.op && (here.op & 0xf0) == 0) { - last = here; - for (;;) { - here = state->lencode[last.val + - (BITS(last.bits + last.op) >> last.bits)]; - if ((unsigned)(last.bits + here.bits) <= bits) break; - PULLBYTE(); - } - DROPBITS(last.bits); - state->back += last.bits; - } - DROPBITS(here.bits); - state->back += here.bits; - state->length = (unsigned)here.val; - if ((int)(here.op) == 0) { - Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? - "inflate: literal '%c'\n" : - "inflate: literal 0x%02x\n", here.val)); - state->mode = LIT; - break; - } - if (here.op & 32) { - Tracevv((stderr, "inflate: end of block\n")); - state->back = -1; - state->mode = TYPE; - break; - } - if (here.op & 64) { - strm->msg = (char *)"invalid literal/length code"; - state->mode = BAD; - break; - } - state->extra = (unsigned)(here.op) & 15; - state->mode = LENEXT; - case LENEXT: - if (state->extra) { - NEEDBITS(state->extra); - state->length += BITS(state->extra); - DROPBITS(state->extra); - state->back += state->extra; - } - Tracevv((stderr, "inflate: length %u\n", state->length)); - state->was = state->length; - state->mode = DIST; - case DIST: - for (;;) { - here = state->distcode[BITS(state->distbits)]; - if ((unsigned)(here.bits) <= bits) break; - PULLBYTE(); - } - if ((here.op & 0xf0) == 0) { - last = here; - for (;;) { - here = state->distcode[last.val + - (BITS(last.bits + last.op) >> last.bits)]; - if ((unsigned)(last.bits + here.bits) <= bits) break; - PULLBYTE(); - } - DROPBITS(last.bits); - state->back += last.bits; - } - DROPBITS(here.bits); - state->back += here.bits; - if (here.op & 64) { - strm->msg = (char *)"invalid distance code"; - state->mode = BAD; - break; - } - state->offset = (unsigned)here.val; - state->extra = (unsigned)(here.op) & 15; - state->mode = DISTEXT; - case DISTEXT: - if (state->extra) { - NEEDBITS(state->extra); - state->offset += BITS(state->extra); - DROPBITS(state->extra); - state->back += state->extra; - } -#ifdef INFLATE_STRICT - if (state->offset > state->dmax) { - strm->msg = (char *)"invalid distance too far back"; - state->mode = BAD; - break; - } -#endif - Tracevv((stderr, "inflate: distance %u\n", state->offset)); - state->mode = MATCH; - case MATCH: - if (left == 0) goto inf_leave; - copy = out - left; - if (state->offset > copy) { /* copy from window */ - copy = state->offset - copy; - if (copy > state->whave) { - if (state->sane) { - strm->msg = (char *)"invalid distance too far back"; - state->mode = BAD; - break; - } -#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR - Trace((stderr, "inflate.c too far\n")); - copy -= state->whave; - if (copy > state->length) copy = state->length; - if (copy > left) copy = left; - left -= copy; - state->length -= copy; - do { - *put++ = 0; - } while (--copy); - if (state->length == 0) state->mode = LEN; - break; -#endif - } - if (copy > state->wnext) { - copy -= state->wnext; - from = state->window + (state->wsize - copy); - } - else - from = state->window + (state->wnext - copy); - if (copy > state->length) copy = state->length; - } - else { /* copy from output */ - from = put - state->offset; - copy = state->length; - } - if (copy > left) copy = left; - left -= copy; - state->length -= copy; - do { - *put++ = *from++; - } while (--copy); - if (state->length == 0) state->mode = LEN; - break; - case LIT: - if (left == 0) goto inf_leave; - *put++ = (unsigned char)(state->length); - left--; - state->mode = LEN; - break; - case CHECK: - if (state->wrap) { - NEEDBITS(32); - out -= left; - strm->total_out += out; - state->total += out; - if (out) - strm->adler = state->check = - UPDATE(state->check, put - out, out); - out = left; - if (( -#ifdef GUNZIP - state->flags ? hold : -#endif - REVERSE(hold)) != state->check) { - strm->msg = (char *)"incorrect data check"; - state->mode = BAD; - break; - } - INITBITS(); - Tracev((stderr, "inflate: check matches trailer\n")); - } -#ifdef GUNZIP - state->mode = LENGTH; - case LENGTH: - if (state->wrap && state->flags) { - NEEDBITS(32); - if (hold != (state->total & 0xffffffffUL)) { - strm->msg = (char *)"incorrect length check"; - state->mode = BAD; - break; - } - INITBITS(); - Tracev((stderr, "inflate: length matches trailer\n")); - } -#endif - state->mode = DONE; - case DONE: - ret = Z_STREAM_END; - goto inf_leave; - case BAD: - ret = Z_DATA_ERROR; - goto inf_leave; - case MEM: - return Z_MEM_ERROR; - case SYNC: - default: - return Z_STREAM_ERROR; - } - - /* - Return from inflate(), updating the total counts and the check value. - If there was no progress during the inflate() call, return a buffer - error. Call updatewindow() to create and/or update the window state. - Note: a memory error from inflate() is non-recoverable. - */ - inf_leave: - RESTORE(); - if (state->wsize || (state->mode < CHECK && out != strm->avail_out)) - if (updatewindow(strm, out)) { - state->mode = MEM; - return Z_MEM_ERROR; - } - in -= strm->avail_in; - out -= strm->avail_out; - strm->total_in += in; - strm->total_out += out; - state->total += out; - if (state->wrap && out) - strm->adler = state->check = - UPDATE(state->check, strm->next_out - out, out); - strm->data_type = state->bits + (state->last ? 64 : 0) + - (state->mode == TYPE ? 128 : 0) + - (state->mode == LEN_ || state->mode == COPY_ ? 256 : 0); - if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK) - ret = Z_BUF_ERROR; - return ret; -} - -int ZEXPORT inflateEnd(strm) -z_streamp strm; -{ - struct inflate_state FAR *state; - if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) - return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - if (state->window != Z_NULL) ZFREE(strm, state->window); - ZFREE(strm, strm->state); - strm->state = Z_NULL; - Tracev((stderr, "inflate: end\n")); - return Z_OK; -} - -int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength) -z_streamp strm; -const Bytef *dictionary; -uInt dictLength; -{ - struct inflate_state FAR *state; - unsigned long id; - - /* check state */ - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - if (state->wrap != 0 && state->mode != DICT) - return Z_STREAM_ERROR; - - /* check for correct dictionary id */ - if (state->mode == DICT) { - id = adler32(0L, Z_NULL, 0); - id = adler32(id, dictionary, dictLength); - if (id != state->check) - return Z_DATA_ERROR; - } - - /* copy dictionary to window */ - if (updatewindow(strm, strm->avail_out)) { - state->mode = MEM; - return Z_MEM_ERROR; - } - if (dictLength > state->wsize) { - zmemcpy(state->window, dictionary + dictLength - state->wsize, - state->wsize); - state->whave = state->wsize; - } - else { - zmemcpy(state->window + state->wsize - dictLength, dictionary, - dictLength); - state->whave = dictLength; - } - state->havedict = 1; - Tracev((stderr, "inflate: dictionary set\n")); - return Z_OK; -} - -int ZEXPORT inflateGetHeader(strm, head) -z_streamp strm; -gz_headerp head; -{ - struct inflate_state FAR *state; - - /* check state */ - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - if ((state->wrap & 2) == 0) return Z_STREAM_ERROR; - - /* save header structure */ - state->head = head; - head->done = 0; - return Z_OK; -} - -/* - Search buf[0..len-1] for the pattern: 0, 0, 0xff, 0xff. Return when found - or when out of input. When called, *have is the number of pattern bytes - found in order so far, in 0..3. On return *have is updated to the new - state. If on return *have equals four, then the pattern was found and the - return value is how many bytes were read including the last byte of the - pattern. If *have is less than four, then the pattern has not been found - yet and the return value is len. In the latter case, syncsearch() can be - called again with more data and the *have state. *have is initialized to - zero for the first call. - */ -local unsigned syncsearch(have, buf, len) -unsigned FAR *have; -unsigned char FAR *buf; -unsigned len; -{ - unsigned got; - unsigned next; - - got = *have; - next = 0; - while (next < len && got < 4) { - if ((int)(buf[next]) == (got < 2 ? 0 : 0xff)) - got++; - else if (buf[next]) - got = 0; - else - got = 4 - got; - next++; - } - *have = got; - return next; -} - -int ZEXPORT inflateSync(strm) -z_streamp strm; -{ - unsigned len; /* number of bytes to look at or looked at */ - unsigned long in, out; /* temporary to save total_in and total_out */ - unsigned char buf[4]; /* to restore bit buffer to byte string */ - struct inflate_state FAR *state; - - /* check parameters */ - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - if (strm->avail_in == 0 && state->bits < 8) return Z_BUF_ERROR; - - /* if first time, start search in bit buffer */ - if (state->mode != SYNC) { - state->mode = SYNC; - state->hold <<= state->bits & 7; - state->bits -= state->bits & 7; - len = 0; - while (state->bits >= 8) { - buf[len++] = (unsigned char)(state->hold); - state->hold >>= 8; - state->bits -= 8; - } - state->have = 0; - syncsearch(&(state->have), buf, len); - } - - /* search available input */ - len = syncsearch(&(state->have), strm->next_in, strm->avail_in); - strm->avail_in -= len; - strm->next_in += len; - strm->total_in += len; - - /* return no joy or set up to restart inflate() on a new block */ - if (state->have != 4) return Z_DATA_ERROR; - in = strm->total_in; out = strm->total_out; - inflateReset(strm); - strm->total_in = in; strm->total_out = out; - state->mode = TYPE; - return Z_OK; -} - -/* - Returns true if inflate is currently at the end of a block generated by - Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP - implementation to provide an additional safety check. PPP uses - Z_SYNC_FLUSH but removes the length bytes of the resulting empty stored - block. When decompressing, PPP checks that at the end of input packet, - inflate is waiting for these length bytes. - */ -int ZEXPORT inflateSyncPoint(strm) -z_streamp strm; -{ - struct inflate_state FAR *state; - - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - return state->mode == STORED && state->bits == 0; -} - -int ZEXPORT inflateCopy(dest, source) -z_streamp dest; -z_streamp source; -{ - struct inflate_state FAR *state; - struct inflate_state FAR *copy; - unsigned char FAR *window; - unsigned wsize; - - /* check input */ - if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL || - source->zalloc == (alloc_func)0 || source->zfree == (free_func)0) - return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)source->state; - - /* allocate space */ - copy = (struct inflate_state FAR *) - ZALLOC(source, 1, sizeof(struct inflate_state)); - if (copy == Z_NULL) return Z_MEM_ERROR; - window = Z_NULL; - if (state->window != Z_NULL) { - window = (unsigned char FAR *) - ZALLOC(source, 1U << state->wbits, sizeof(unsigned char)); - if (window == Z_NULL) { - ZFREE(source, copy); - return Z_MEM_ERROR; - } - } - - /* copy state */ - zmemcpy(dest, source, sizeof(z_stream)); - zmemcpy(copy, state, sizeof(struct inflate_state)); - if (state->lencode >= state->codes && - state->lencode <= state->codes + ENOUGH - 1) { - copy->lencode = copy->codes + (state->lencode - state->codes); - copy->distcode = copy->codes + (state->distcode - state->codes); - } - copy->next = copy->codes + (state->next - state->codes); - if (window != Z_NULL) { - wsize = 1U << state->wbits; - zmemcpy(window, state->window, wsize); - } - copy->window = window; - dest->state = (struct internal_state FAR *)copy; - return Z_OK; -} - -int ZEXPORT inflateUndermine(strm, subvert) -z_streamp strm; -int subvert; -{ - struct inflate_state FAR *state; - - if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - state = (struct inflate_state FAR *)strm->state; - state->sane = !subvert; -#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR - return Z_OK; -#else - state->sane = 1; - return Z_DATA_ERROR; -#endif -} - -long ZEXPORT inflateMark(strm) -z_streamp strm; -{ - struct inflate_state FAR *state; - - if (strm == Z_NULL || strm->state == Z_NULL) return -1L << 16; - state = (struct inflate_state FAR *)strm->state; - return ((long)(state->back) << 16) + - (state->mode == COPY ? state->length : - (state->mode == MATCH ? state->was - state->length : 0)); -} diff --git a/common/zlib/inflate.h b/common/zlib/inflate.h deleted file mode 100644 index 95f4986d..00000000 --- a/common/zlib/inflate.h +++ /dev/null @@ -1,122 +0,0 @@ -/* inflate.h -- internal inflate state definition - * Copyright (C) 1995-2009 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is - part of the implementation of the compression library and is - subject to change. Applications should only use zlib.h. - */ - -/* define NO_GZIP when compiling if you want to disable gzip header and - trailer decoding by inflate(). NO_GZIP would be used to avoid linking in - the crc code when it is not needed. For shared libraries, gzip decoding - should be left enabled. */ -#ifndef NO_GZIP -# define GUNZIP -#endif - -/* Possible inflate modes between inflate() calls */ -typedef enum { - HEAD, /* i: waiting for magic header */ - FLAGS, /* i: waiting for method and flags (gzip) */ - TIME, /* i: waiting for modification time (gzip) */ - OS, /* i: waiting for extra flags and operating system (gzip) */ - EXLEN, /* i: waiting for extra length (gzip) */ - EXTRA, /* i: waiting for extra bytes (gzip) */ - NAME, /* i: waiting for end of file name (gzip) */ - COMMENT, /* i: waiting for end of comment (gzip) */ - HCRC, /* i: waiting for header crc (gzip) */ - DICTID, /* i: waiting for dictionary check value */ - DICT, /* waiting for inflateSetDictionary() call */ - TYPE, /* i: waiting for type bits, including last-flag bit */ - TYPEDO, /* i: same, but skip check to exit inflate on new block */ - STORED, /* i: waiting for stored size (length and complement) */ - COPY_, /* i/o: same as COPY below, but only first time in */ - COPY, /* i/o: waiting for input or output to copy stored block */ - TABLE, /* i: waiting for dynamic block table lengths */ - LENLENS, /* i: waiting for code length code lengths */ - CODELENS, /* i: waiting for length/lit and distance code lengths */ - LEN_, /* i: same as LEN below, but only first time in */ - LEN, /* i: waiting for length/lit/eob code */ - LENEXT, /* i: waiting for length extra bits */ - DIST, /* i: waiting for distance code */ - DISTEXT, /* i: waiting for distance extra bits */ - MATCH, /* o: waiting for output space to copy string */ - LIT, /* o: waiting for output space to write literal */ - CHECK, /* i: waiting for 32-bit check value */ - LENGTH, /* i: waiting for 32-bit length (gzip) */ - DONE, /* finished check, done -- remain here until reset */ - BAD, /* got a data error -- remain here until reset */ - MEM, /* got an inflate() memory error -- remain here until reset */ - SYNC /* looking for synchronization bytes to restart inflate() */ -} inflate_mode; - -/* - State transitions between above modes - - - (most modes can go to BAD or MEM on error -- not shown for clarity) - - Process header: - HEAD -> (gzip) or (zlib) or (raw) - (gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME -> COMMENT -> - HCRC -> TYPE - (zlib) -> DICTID or TYPE - DICTID -> DICT -> TYPE - (raw) -> TYPEDO - Read deflate blocks: - TYPE -> TYPEDO -> STORED or TABLE or LEN_ or CHECK - STORED -> COPY_ -> COPY -> TYPE - TABLE -> LENLENS -> CODELENS -> LEN_ - LEN_ -> LEN - Read deflate codes in fixed or dynamic block: - LEN -> LENEXT or LIT or TYPE - LENEXT -> DIST -> DISTEXT -> MATCH -> LEN - LIT -> LEN - Process trailer: - CHECK -> LENGTH -> DONE - */ - -/* state maintained between inflate() calls. Approximately 10K bytes. */ -struct inflate_state { - inflate_mode mode; /* current inflate mode */ - int last; /* true if processing last block */ - int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ - int havedict; /* true if dictionary provided */ - int flags; /* gzip header method and flags (0 if zlib) */ - unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */ - unsigned long check; /* protected copy of check value */ - unsigned long total; /* protected copy of output count */ - gz_headerp head; /* where to save gzip header information */ - /* sliding window */ - unsigned wbits; /* log base 2 of requested window size */ - unsigned wsize; /* window size or zero if not using window */ - unsigned whave; /* valid bytes in the window */ - unsigned wnext; /* window write index */ - unsigned char FAR *window; /* allocated sliding window, if needed */ - /* bit accumulator */ - unsigned long hold; /* input bit accumulator */ - unsigned bits; /* number of bits in "in" */ - /* for string and stored block copying */ - unsigned length; /* literal or length of data to copy */ - unsigned offset; /* distance back to copy string from */ - /* for table and code decoding */ - unsigned extra; /* extra bits needed */ - /* fixed and dynamic code tables */ - code const FAR *lencode; /* starting table for length/literal codes */ - code const FAR *distcode; /* starting table for distance codes */ - unsigned lenbits; /* index bits for lencode */ - unsigned distbits; /* index bits for distcode */ - /* dynamic table building */ - unsigned ncode; /* number of code length code lengths */ - unsigned nlen; /* number of length code lengths */ - unsigned ndist; /* number of distance code lengths */ - unsigned have; /* number of code lengths in lens[] */ - code FAR *next; /* next available space in codes[] */ - unsigned short lens[320]; /* temporary storage for code lengths */ - unsigned short work[288]; /* work area for code table building */ - code codes[ENOUGH]; /* space for code tables */ - int sane; /* if false, allow invalid distance too far */ - int back; /* bits back of last unprocessed length/lit */ - unsigned was; /* initial length of match */ -}; diff --git a/common/zlib/inftrees.c b/common/zlib/inftrees.c deleted file mode 100644 index 11e9c52a..00000000 --- a/common/zlib/inftrees.c +++ /dev/null @@ -1,330 +0,0 @@ -/* inftrees.c -- generate Huffman trees for efficient decoding - * Copyright (C) 1995-2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "zutil.h" -#include "inftrees.h" - -#define MAXBITS 15 - -const char inflate_copyright[] = - " inflate 1.2.5 Copyright 1995-2010 Mark Adler "; -/* - If you use the zlib library in a product, an acknowledgment is welcome - in the documentation of your product. If for some reason you cannot - include such an acknowledgment, I would appreciate that you keep this - copyright string in the executable of your product. - */ - -/* - Build a set of tables to decode the provided canonical Huffman code. - The code lengths are lens[0..codes-1]. The result starts at *table, - whose indices are 0..2^bits-1. work is a writable array of at least - lens shorts, which is used as a work area. type is the type of code - to be generated, CODES, LENS, or DISTS. On return, zero is success, - -1 is an invalid code, and +1 means that ENOUGH isn't enough. table - on return points to the next available entry's address. bits is the - requested root table index bits, and on return it is the actual root - table index bits. It will differ if the request is greater than the - longest code or if it is less than the shortest code. - */ -int ZLIB_INTERNAL inflate_table(type, lens, codes, table, bits, work) -codetype type; -unsigned short FAR *lens; -unsigned codes; -code FAR * FAR *table; -unsigned FAR *bits; -unsigned short FAR *work; -{ - unsigned len; /* a code's length in bits */ - unsigned sym; /* index of code symbols */ - unsigned min, max; /* minimum and maximum code lengths */ - unsigned root; /* number of index bits for root table */ - unsigned curr; /* number of index bits for current table */ - unsigned drop; /* code bits to drop for sub-table */ - int left; /* number of prefix codes available */ - unsigned used; /* code entries in table used */ - unsigned huff; /* Huffman code */ - unsigned incr; /* for incrementing code, index */ - unsigned fill; /* index for replicating entries */ - unsigned low; /* low bits for current root entry */ - unsigned mask; /* mask for low root bits */ - code here; /* table entry for duplication */ - code FAR *next; /* next available space in table */ - const unsigned short FAR *base; /* base value table to use */ - const unsigned short FAR *extra; /* extra bits table to use */ - int end; /* use base and extra for symbol > end */ - unsigned short count[MAXBITS+1]; /* number of codes of each length */ - unsigned short offs[MAXBITS+1]; /* offsets in table for each length */ - static const unsigned short lbase[31] = { /* Length codes 257..285 base */ - 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, - 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; - static const unsigned short lext[31] = { /* Length codes 257..285 extra */ - 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, - 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 73, 195}; - static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ - 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, - 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, - 8193, 12289, 16385, 24577, 0, 0}; - static const unsigned short dext[32] = { /* Distance codes 0..29 extra */ - 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, - 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, - 28, 28, 29, 29, 64, 64}; - - /* - Process a set of code lengths to create a canonical Huffman code. The - code lengths are lens[0..codes-1]. Each length corresponds to the - symbols 0..codes-1. The Huffman code is generated by first sorting the - symbols by length from short to long, and retaining the symbol order - for codes with equal lengths. Then the code starts with all zero bits - for the first code of the shortest length, and the codes are integer - increments for the same length, and zeros are appended as the length - increases. For the deflate format, these bits are stored backwards - from their more natural integer increment ordering, and so when the - decoding tables are built in the large loop below, the integer codes - are incremented backwards. - - This routine assumes, but does not check, that all of the entries in - lens[] are in the range 0..MAXBITS. The caller must assure this. - 1..MAXBITS is interpreted as that code length. zero means that that - symbol does not occur in this code. - - The codes are sorted by computing a count of codes for each length, - creating from that a table of starting indices for each length in the - sorted table, and then entering the symbols in order in the sorted - table. The sorted table is work[], with that space being provided by - the caller. - - The length counts are used for other purposes as well, i.e. finding - the minimum and maximum length codes, determining if there are any - codes at all, checking for a valid set of lengths, and looking ahead - at length counts to determine sub-table sizes when building the - decoding tables. - */ - - /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ - for (len = 0; len <= MAXBITS; len++) - count[len] = 0; - for (sym = 0; sym < codes; sym++) - count[lens[sym]]++; - - /* bound code lengths, force root to be within code lengths */ - root = *bits; - for (max = MAXBITS; max >= 1; max--) - if (count[max] != 0) break; - if (root > max) root = max; - if (max == 0) { /* no symbols to code at all */ - here.op = (unsigned char)64; /* invalid code marker */ - here.bits = (unsigned char)1; - here.val = (unsigned short)0; - *(*table)++ = here; /* make a table to force an error */ - *(*table)++ = here; - *bits = 1; - return 0; /* no symbols, but wait for decoding to report error */ - } - for (min = 1; min < max; min++) - if (count[min] != 0) break; - if (root < min) root = min; - - /* check for an over-subscribed or incomplete set of lengths */ - left = 1; - for (len = 1; len <= MAXBITS; len++) { - left <<= 1; - left -= count[len]; - if (left < 0) return -1; /* over-subscribed */ - } - if (left > 0 && (type == CODES || max != 1)) - return -1; /* incomplete set */ - - /* generate offsets into symbol table for each length for sorting */ - offs[1] = 0; - for (len = 1; len < MAXBITS; len++) - offs[len + 1] = offs[len] + count[len]; - - /* sort symbols by length, by symbol order within each length */ - for (sym = 0; sym < codes; sym++) - if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym; - - /* - Create and fill in decoding tables. In this loop, the table being - filled is at next and has curr index bits. The code being used is huff - with length len. That code is converted to an index by dropping drop - bits off of the bottom. For codes where len is less than drop + curr, - those top drop + curr - len bits are incremented through all values to - fill the table with replicated entries. - - root is the number of index bits for the root table. When len exceeds - root, sub-tables are created pointed to by the root entry with an index - of the low root bits of huff. This is saved in low to check for when a - new sub-table should be started. drop is zero when the root table is - being filled, and drop is root when sub-tables are being filled. - - When a new sub-table is needed, it is necessary to look ahead in the - code lengths to determine what size sub-table is needed. The length - counts are used for this, and so count[] is decremented as codes are - entered in the tables. - - used keeps track of how many table entries have been allocated from the - provided *table space. It is checked for LENS and DIST tables against - the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in - the initial root table size constants. See the comments in inftrees.h - for more information. - - sym increments through all symbols, and the loop terminates when - all codes of length max, i.e. all codes, have been processed. This - routine permits incomplete codes, so another loop after this one fills - in the rest of the decoding tables with invalid code markers. - */ - - /* set up for code type */ - switch (type) { - case CODES: - base = extra = work; /* dummy value--not used */ - end = 19; - break; - case LENS: - base = lbase; - base -= 257; - extra = lext; - extra -= 257; - end = 256; - break; - default: /* DISTS */ - base = dbase; - extra = dext; - end = -1; - } - - /* initialize state for loop */ - huff = 0; /* starting code */ - sym = 0; /* starting code symbol */ - len = min; /* starting code length */ - next = *table; /* current table to fill in */ - curr = root; /* current table index bits */ - drop = 0; /* current bits to drop from code for index */ - low = (unsigned)(-1); /* trigger new sub-table when len > root */ - used = 1U << root; /* use root table entries */ - mask = used - 1; /* mask for comparing low */ - - /* check available table space */ - if ((type == LENS && used >= ENOUGH_LENS) || - (type == DISTS && used >= ENOUGH_DISTS)) - return 1; - - /* process all codes and make table entries */ - for (;;) { - /* create table entry */ - here.bits = (unsigned char)(len - drop); - if ((int)(work[sym]) < end) { - here.op = (unsigned char)0; - here.val = work[sym]; - } - else if ((int)(work[sym]) > end) { - here.op = (unsigned char)(extra[work[sym]]); - here.val = base[work[sym]]; - } - else { - here.op = (unsigned char)(32 + 64); /* end of block */ - here.val = 0; - } - - /* replicate for those indices with low len bits equal to huff */ - incr = 1U << (len - drop); - fill = 1U << curr; - min = fill; /* save offset to next table */ - do { - fill -= incr; - next[(huff >> drop) + fill] = here; - } while (fill != 0); - - /* backwards increment the len-bit code huff */ - incr = 1U << (len - 1); - while (huff & incr) - incr >>= 1; - if (incr != 0) { - huff &= incr - 1; - huff += incr; - } - else - huff = 0; - - /* go to next symbol, update count, len */ - sym++; - if (--(count[len]) == 0) { - if (len == max) break; - len = lens[work[sym]]; - } - - /* create new sub-table if needed */ - if (len > root && (huff & mask) != low) { - /* if first time, transition to sub-tables */ - if (drop == 0) - drop = root; - - /* increment past last table */ - next += min; /* here min is 1 << curr */ - - /* determine length of next table */ - curr = len - drop; - left = (int)(1 << curr); - while (curr + drop < max) { - left -= count[curr + drop]; - if (left <= 0) break; - curr++; - left <<= 1; - } - - /* check for enough space */ - used += 1U << curr; - if ((type == LENS && used >= ENOUGH_LENS) || - (type == DISTS && used >= ENOUGH_DISTS)) - return 1; - - /* point entry in root table to sub-table */ - low = huff & mask; - (*table)[low].op = (unsigned char)curr; - (*table)[low].bits = (unsigned char)root; - (*table)[low].val = (unsigned short)(next - *table); - } - } - - /* - Fill in rest of table for incomplete codes. This loop is similar to the - loop above in incrementing huff for table indices. It is assumed that - len is equal to curr + drop, so there is no loop needed to increment - through high index bits. When the current sub-table is filled, the loop - drops back to the root table to fill in any remaining entries there. - */ - here.op = (unsigned char)64; /* invalid code marker */ - here.bits = (unsigned char)(len - drop); - here.val = (unsigned short)0; - while (huff != 0) { - /* when done with sub-table, drop back to root table */ - if (drop != 0 && (huff & mask) != low) { - drop = 0; - len = root; - next = *table; - here.bits = (unsigned char)len; - } - - /* put invalid code marker in table */ - next[huff >> drop] = here; - - /* backwards increment the len-bit code huff */ - incr = 1U << (len - 1); - while (huff & incr) - incr >>= 1; - if (incr != 0) { - huff &= incr - 1; - huff += incr; - } - else - huff = 0; - } - - /* set return parameters */ - *table += used; - *bits = root; - return 0; -} diff --git a/common/zlib/inftrees.h b/common/zlib/inftrees.h deleted file mode 100644 index baa53a0b..00000000 --- a/common/zlib/inftrees.h +++ /dev/null @@ -1,62 +0,0 @@ -/* inftrees.h -- header to use inftrees.c - * Copyright (C) 1995-2005, 2010 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is - part of the implementation of the compression library and is - subject to change. Applications should only use zlib.h. - */ - -/* Structure for decoding tables. Each entry provides either the - information needed to do the operation requested by the code that - indexed that table entry, or it provides a pointer to another - table that indexes more bits of the code. op indicates whether - the entry is a pointer to another table, a literal, a length or - distance, an end-of-block, or an invalid code. For a table - pointer, the low four bits of op is the number of index bits of - that table. For a length or distance, the low four bits of op - is the number of extra bits to get after the code. bits is - the number of bits in this code or part of the code to drop off - of the bit buffer. val is the actual byte to output in the case - of a literal, the base length or distance, or the offset from - the current table to the next table. Each entry is four bytes. */ -typedef struct { - unsigned char op; /* operation, extra bits, table bits */ - unsigned char bits; /* bits in this part of the code */ - unsigned short val; /* offset in table or code value */ -} code; - -/* op values as set by inflate_table(): - 00000000 - literal - 0000tttt - table link, tttt != 0 is the number of table index bits - 0001eeee - length or distance, eeee is the number of extra bits - 01100000 - end of block - 01000000 - invalid code - */ - -/* Maximum size of the dynamic table. The maximum number of code structures is - 1444, which is the sum of 852 for literal/length codes and 592 for distance - codes. These values were found by exhaustive searches using the program - examples/enough.c found in the zlib distribtution. The arguments to that - program are the number of symbols, the initial root table size, and the - maximum bit length of a code. "enough 286 9 15" for literal/length codes - returns returns 852, and "enough 30 6 15" for distance codes returns 592. - The initial root table size (9 or 6) is found in the fifth argument of the - inflate_table() calls in inflate.c and infback.c. If the root table size is - changed, then these maximum sizes would be need to be recalculated and - updated. */ -#define ENOUGH_LENS 852 -#define ENOUGH_DISTS 592 -#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS) - -/* Type of code to build for inflate_table() */ -typedef enum { - CODES, - LENS, - DISTS -} codetype; - -int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens, - unsigned codes, code FAR * FAR *table, - unsigned FAR *bits, unsigned short FAR *work)); diff --git a/common/zlib/trees.c b/common/zlib/trees.c deleted file mode 100644 index 56e9bb1c..00000000 --- a/common/zlib/trees.c +++ /dev/null @@ -1,1244 +0,0 @@ -/* trees.c -- output deflated data using Huffman coding - * Copyright (C) 1995-2010 Jean-loup Gailly - * detect_data_type() function provided freely by Cosmin Truta, 2006 - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - * ALGORITHM - * - * The "deflation" process uses several Huffman trees. The more - * common source values are represented by shorter bit sequences. - * - * Each code tree is stored in a compressed form which is itself - * a Huffman encoding of the lengths of all the code strings (in - * ascending order by source values). The actual code strings are - * reconstructed from the lengths in the inflate process, as described - * in the deflate specification. - * - * REFERENCES - * - * Deutsch, L.P.,"'Deflate' Compressed Data Format Specification". - * Available in ftp.uu.net:/pub/archiving/zip/doc/deflate-1.1.doc - * - * Storer, James A. - * Data Compression: Methods and Theory, pp. 49-50. - * Computer Science Press, 1988. ISBN 0-7167-8156-5. - * - * Sedgewick, R. - * Algorithms, p290. - * Addison-Wesley, 1983. ISBN 0-201-06672-6. - */ - -/* @(#) $Id$ */ - -/* #define GEN_TREES_H */ - -#include "deflate.h" - -#ifdef DEBUG -# include <ctype.h> -#endif - -/* =========================================================================== - * Constants - */ - -#define MAX_BL_BITS 7 -/* Bit length codes must not exceed MAX_BL_BITS bits */ - -#define END_BLOCK 256 -/* end of block literal code */ - -#define REP_3_6 16 -/* repeat previous bit length 3-6 times (2 bits of repeat count) */ - -#define REPZ_3_10 17 -/* repeat a zero length 3-10 times (3 bits of repeat count) */ - -#define REPZ_11_138 18 -/* repeat a zero length 11-138 times (7 bits of repeat count) */ - -local const int extra_lbits[LENGTH_CODES] /* extra bits for each length code */ - = {0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0}; - -local const int extra_dbits[D_CODES] /* extra bits for each distance code */ - = {0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13}; - -local const int extra_blbits[BL_CODES]/* extra bits for each bit length code */ - = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7}; - -local const uch bl_order[BL_CODES] - = {16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15}; -/* The lengths of the bit length codes are sent in order of decreasing - * probability, to avoid transmitting the lengths for unused bit length codes. - */ - -#define Buf_size (8 * 2*sizeof(char)) -/* Number of bits used within bi_buf. (bi_buf might be implemented on - * more than 16 bits on some systems.) - */ - -/* =========================================================================== - * Local data. These are initialized only once. - */ - -#define DIST_CODE_LEN 512 /* see definition of array dist_code below */ - -#if defined(GEN_TREES_H) || !defined(STDC) -/* non ANSI compilers may not accept trees.h */ - -local ct_data static_ltree[L_CODES+2]; -/* The static literal tree. Since the bit lengths are imposed, there is no - * need for the L_CODES extra codes used during heap construction. However - * The codes 286 and 287 are needed to build a canonical tree (see _tr_init - * below). - */ - -local ct_data static_dtree[D_CODES]; -/* The static distance tree. (Actually a trivial tree since all codes use - * 5 bits.) - */ - -uch _dist_code[DIST_CODE_LEN]; -/* Distance codes. The first 256 values correspond to the distances - * 3 .. 258, the last 256 values correspond to the top 8 bits of - * the 15 bit distances. - */ - -uch _length_code[MAX_MATCH-MIN_MATCH+1]; -/* length code for each normalized match length (0 == MIN_MATCH) */ - -local int base_length[LENGTH_CODES]; -/* First normalized length for each code (0 = MIN_MATCH) */ - -local int base_dist[D_CODES]; -/* First normalized distance for each code (0 = distance of 1) */ - -#else -# include "trees.h" -#endif /* GEN_TREES_H */ - -struct static_tree_desc_s { - const ct_data *static_tree; /* static tree or NULL */ - const intf *extra_bits; /* extra bits for each code or NULL */ - int extra_base; /* base index for extra_bits */ - int elems; /* max number of elements in the tree */ - int max_length; /* max bit length for the codes */ -}; - -local static_tree_desc static_l_desc = -{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS}; - -local static_tree_desc static_d_desc = -{static_dtree, extra_dbits, 0, D_CODES, MAX_BITS}; - -local static_tree_desc static_bl_desc = -{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS}; - -/* =========================================================================== - * Local (static) routines in this file. - */ - -local void tr_static_init OF((void)); -local void init_block OF((deflate_state *s)); -local void pqdownheap OF((deflate_state *s, ct_data *tree, int k)); -local void gen_bitlen OF((deflate_state *s, tree_desc *desc)); -local void gen_codes OF((ct_data *tree, int max_code, ushf *bl_count)); -local void build_tree OF((deflate_state *s, tree_desc *desc)); -local void scan_tree OF((deflate_state *s, ct_data *tree, int max_code)); -local void send_tree OF((deflate_state *s, ct_data *tree, int max_code)); -local int build_bl_tree OF((deflate_state *s)); -local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, - int blcodes)); -local void compress_block OF((deflate_state *s, ct_data *ltree, - ct_data *dtree)); -local int detect_data_type OF((deflate_state *s)); -local unsigned bi_reverse OF((unsigned value, int length)); -local void bi_windup OF((deflate_state *s)); -local void bi_flush OF((deflate_state *s)); -local void copy_block OF((deflate_state *s, charf *buf, unsigned len, - int header)); - -#ifdef GEN_TREES_H -local void gen_trees_header OF((void)); -#endif - -#ifndef DEBUG -# define send_code(s, c, tree) send_bits(s, tree[c].Code, tree[c].Len) - /* Send a code of the given tree. c and tree must not have side effects */ - -#else /* DEBUG */ -# define send_code(s, c, tree) \ - { if (z_verbose>2) fprintf(stderr,"\ncd %3d ",(c)); \ - send_bits(s, tree[c].Code, tree[c].Len); } -#endif - -/* =========================================================================== - * Output a short LSB first on the stream. - * IN assertion: there is enough room in pendingBuf. - */ -#define put_short(s, w) { \ - put_byte(s, (uch)((w) & 0xff)); \ - put_byte(s, (uch)((ush)(w) >> 8)); \ -} - -/* =========================================================================== - * Send a value on a given number of bits. - * IN assertion: length <= 16 and value fits in length bits. - */ -#ifdef DEBUG -local void send_bits OF((deflate_state *s, int value, int length)); - -local void send_bits(s, value, length) - deflate_state *s; - int value; /* value to send */ - int length; /* number of bits */ -{ - Tracevv((stderr," l %2d v %4x ", length, value)); - Assert(length > 0 && length <= 15, "invalid length"); - s->bits_sent += (ulg)length; - - /* If not enough room in bi_buf, use (valid) bits from bi_buf and - * (16 - bi_valid) bits from value, leaving (width - (16-bi_valid)) - * unused bits in value. - */ - if (s->bi_valid > (int)Buf_size - length) { - s->bi_buf |= (ush)value << s->bi_valid; - put_short(s, s->bi_buf); - s->bi_buf = (ush)value >> (Buf_size - s->bi_valid); - s->bi_valid += length - Buf_size; - } else { - s->bi_buf |= (ush)value << s->bi_valid; - s->bi_valid += length; - } -} -#else /* !DEBUG */ - -#define send_bits(s, value, length) \ -{ int len = length;\ - if (s->bi_valid > (int)Buf_size - len) {\ - int val = value;\ - s->bi_buf |= (ush)val << s->bi_valid;\ - put_short(s, s->bi_buf);\ - s->bi_buf = (ush)val >> (Buf_size - s->bi_valid);\ - s->bi_valid += len - Buf_size;\ - } else {\ - s->bi_buf |= (ush)(value) << s->bi_valid;\ - s->bi_valid += len;\ - }\ -} -#endif /* DEBUG */ - - -/* the arguments must not have side effects */ - -/* =========================================================================== - * Initialize the various 'constant' tables. - */ -local void tr_static_init() -{ -#if defined(GEN_TREES_H) || !defined(STDC) - static int static_init_done = 0; - int n; /* iterates over tree elements */ - int bits; /* bit counter */ - int length; /* length value */ - int code; /* code value */ - int dist; /* distance index */ - ush bl_count[MAX_BITS+1]; - /* number of codes at each bit length for an optimal tree */ - - if (static_init_done) return; - - /* For some embedded targets, global variables are not initialized: */ -#ifdef NO_INIT_GLOBAL_POINTERS - static_l_desc.static_tree = static_ltree; - static_l_desc.extra_bits = extra_lbits; - static_d_desc.static_tree = static_dtree; - static_d_desc.extra_bits = extra_dbits; - static_bl_desc.extra_bits = extra_blbits; -#endif - - /* Initialize the mapping length (0..255) -> length code (0..28) */ - length = 0; - for (code = 0; code < LENGTH_CODES-1; code++) { - base_length[code] = length; - for (n = 0; n < (1<<extra_lbits[code]); n++) { - _length_code[length++] = (uch)code; - } - } - Assert (length == 256, "tr_static_init: length != 256"); - /* Note that the length 255 (match length 258) can be represented - * in two different ways: code 284 + 5 bits or code 285, so we - * overwrite length_code[255] to use the best encoding: - */ - _length_code[length-1] = (uch)code; - - /* Initialize the mapping dist (0..32K) -> dist code (0..29) */ - dist = 0; - for (code = 0 ; code < 16; code++) { - base_dist[code] = dist; - for (n = 0; n < (1<<extra_dbits[code]); n++) { - _dist_code[dist++] = (uch)code; - } - } - Assert (dist == 256, "tr_static_init: dist != 256"); - dist >>= 7; /* from now on, all distances are divided by 128 */ - for ( ; code < D_CODES; code++) { - base_dist[code] = dist << 7; - for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) { - _dist_code[256 + dist++] = (uch)code; - } - } - Assert (dist == 256, "tr_static_init: 256+dist != 512"); - - /* Construct the codes of the static literal tree */ - for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0; - n = 0; - while (n <= 143) static_ltree[n++].Len = 8, bl_count[8]++; - while (n <= 255) static_ltree[n++].Len = 9, bl_count[9]++; - while (n <= 279) static_ltree[n++].Len = 7, bl_count[7]++; - while (n <= 287) static_ltree[n++].Len = 8, bl_count[8]++; - /* Codes 286 and 287 do not exist, but we must include them in the - * tree construction to get a canonical Huffman tree (longest code - * all ones) - */ - gen_codes((ct_data *)static_ltree, L_CODES+1, bl_count); - - /* The static distance tree is trivial: */ - for (n = 0; n < D_CODES; n++) { - static_dtree[n].Len = 5; - static_dtree[n].Code = bi_reverse((unsigned)n, 5); - } - static_init_done = 1; - -# ifdef GEN_TREES_H - gen_trees_header(); -# endif -#endif /* defined(GEN_TREES_H) || !defined(STDC) */ -} - -/* =========================================================================== - * Genererate the file trees.h describing the static trees. - */ -#ifdef GEN_TREES_H -# ifndef DEBUG -# include <stdio.h> -# endif - -# define SEPARATOR(i, last, width) \ - ((i) == (last)? "\n};\n\n" : \ - ((i) % (width) == (width)-1 ? ",\n" : ", ")) - -void gen_trees_header() -{ - FILE *header = fopen("trees.h", "w"); - int i; - - Assert (header != NULL, "Can't open trees.h"); - fprintf(header, - "/* header created automatically with -DGEN_TREES_H */\n\n"); - - fprintf(header, "local const ct_data static_ltree[L_CODES+2] = {\n"); - for (i = 0; i < L_CODES+2; i++) { - fprintf(header, "{{%3u},{%3u}}%s", static_ltree[i].Code, - static_ltree[i].Len, SEPARATOR(i, L_CODES+1, 5)); - } - - fprintf(header, "local const ct_data static_dtree[D_CODES] = {\n"); - for (i = 0; i < D_CODES; i++) { - fprintf(header, "{{%2u},{%2u}}%s", static_dtree[i].Code, - static_dtree[i].Len, SEPARATOR(i, D_CODES-1, 5)); - } - - fprintf(header, "const uch ZLIB_INTERNAL _dist_code[DIST_CODE_LEN] = {\n"); - for (i = 0; i < DIST_CODE_LEN; i++) { - fprintf(header, "%2u%s", _dist_code[i], - SEPARATOR(i, DIST_CODE_LEN-1, 20)); - } - - fprintf(header, - "const uch ZLIB_INTERNAL _length_code[MAX_MATCH-MIN_MATCH+1]= {\n"); - for (i = 0; i < MAX_MATCH-MIN_MATCH+1; i++) { - fprintf(header, "%2u%s", _length_code[i], - SEPARATOR(i, MAX_MATCH-MIN_MATCH, 20)); - } - - fprintf(header, "local const int base_length[LENGTH_CODES] = {\n"); - for (i = 0; i < LENGTH_CODES; i++) { - fprintf(header, "%1u%s", base_length[i], - SEPARATOR(i, LENGTH_CODES-1, 20)); - } - - fprintf(header, "local const int base_dist[D_CODES] = {\n"); - for (i = 0; i < D_CODES; i++) { - fprintf(header, "%5u%s", base_dist[i], - SEPARATOR(i, D_CODES-1, 10)); - } - - fclose(header); -} -#endif /* GEN_TREES_H */ - -/* =========================================================================== - * Initialize the tree data structures for a new zlib stream. - */ -void ZLIB_INTERNAL _tr_init(s) - deflate_state *s; -{ - tr_static_init(); - - s->l_desc.dyn_tree = s->dyn_ltree; - s->l_desc.stat_desc = &static_l_desc; - - s->d_desc.dyn_tree = s->dyn_dtree; - s->d_desc.stat_desc = &static_d_desc; - - s->bl_desc.dyn_tree = s->bl_tree; - s->bl_desc.stat_desc = &static_bl_desc; - - s->bi_buf = 0; - s->bi_valid = 0; - s->last_eob_len = 8; /* enough lookahead for inflate */ -#ifdef DEBUG - s->compressed_len = 0L; - s->bits_sent = 0L; -#endif - - /* Initialize the first block of the first file: */ - init_block(s); -} - -/* =========================================================================== - * Initialize a new block. - */ -local void init_block(s) - deflate_state *s; -{ - int n; /* iterates over tree elements */ - - /* Initialize the trees. */ - for (n = 0; n < L_CODES; n++) s->dyn_ltree[n].Freq = 0; - for (n = 0; n < D_CODES; n++) s->dyn_dtree[n].Freq = 0; - for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0; - - s->dyn_ltree[END_BLOCK].Freq = 1; - s->opt_len = s->static_len = 0L; - s->last_lit = s->matches = 0; -} - -#define SMALLEST 1 -/* Index within the heap array of least frequent node in the Huffman tree */ - - -/* =========================================================================== - * Remove the smallest element from the heap and recreate the heap with - * one less element. Updates heap and heap_len. - */ -#define pqremove(s, tree, top) \ -{\ - top = s->heap[SMALLEST]; \ - s->heap[SMALLEST] = s->heap[s->heap_len--]; \ - pqdownheap(s, tree, SMALLEST); \ -} - -/* =========================================================================== - * Compares to subtrees, using the tree depth as tie breaker when - * the subtrees have equal frequency. This minimizes the worst case length. - */ -#define smaller(tree, n, m, depth) \ - (tree[n].Freq < tree[m].Freq || \ - (tree[n].Freq == tree[m].Freq && depth[n] <= depth[m])) - -/* =========================================================================== - * Restore the heap property by moving down the tree starting at node k, - * exchanging a node with the smallest of its two sons if necessary, stopping - * when the heap property is re-established (each father smaller than its - * two sons). - */ -local void pqdownheap(s, tree, k) - deflate_state *s; - ct_data *tree; /* the tree to restore */ - int k; /* node to move down */ -{ - int v = s->heap[k]; - int j = k << 1; /* left son of k */ - while (j <= s->heap_len) { - /* Set j to the smallest of the two sons: */ - if (j < s->heap_len && - smaller(tree, s->heap[j+1], s->heap[j], s->depth)) { - j++; - } - /* Exit if v is smaller than both sons */ - if (smaller(tree, v, s->heap[j], s->depth)) break; - - /* Exchange v with the smallest son */ - s->heap[k] = s->heap[j]; k = j; - - /* And continue down the tree, setting j to the left son of k */ - j <<= 1; - } - s->heap[k] = v; -} - -/* =========================================================================== - * Compute the optimal bit lengths for a tree and update the total bit length - * for the current block. - * IN assertion: the fields freq and dad are set, heap[heap_max] and - * above are the tree nodes sorted by increasing frequency. - * OUT assertions: the field len is set to the optimal bit length, the - * array bl_count contains the frequencies for each bit length. - * The length opt_len is updated; static_len is also updated if stree is - * not null. - */ -local void gen_bitlen(s, desc) - deflate_state *s; - tree_desc *desc; /* the tree descriptor */ -{ - ct_data *tree = desc->dyn_tree; - int max_code = desc->max_code; - const ct_data *stree = desc->stat_desc->static_tree; - const intf *extra = desc->stat_desc->extra_bits; - int base = desc->stat_desc->extra_base; - int max_length = desc->stat_desc->max_length; - int h; /* heap index */ - int n, m; /* iterate over the tree elements */ - int bits; /* bit length */ - int xbits; /* extra bits */ - ush f; /* frequency */ - int overflow = 0; /* number of elements with bit length too large */ - - for (bits = 0; bits <= MAX_BITS; bits++) s->bl_count[bits] = 0; - - /* In a first pass, compute the optimal bit lengths (which may - * overflow in the case of the bit length tree). - */ - tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */ - - for (h = s->heap_max+1; h < HEAP_SIZE; h++) { - n = s->heap[h]; - bits = tree[tree[n].Dad].Len + 1; - if (bits > max_length) bits = max_length, overflow++; - tree[n].Len = (ush)bits; - /* We overwrite tree[n].Dad which is no longer needed */ - - if (n > max_code) continue; /* not a leaf node */ - - s->bl_count[bits]++; - xbits = 0; - if (n >= base) xbits = extra[n-base]; - f = tree[n].Freq; - s->opt_len += (ulg)f * (bits + xbits); - if (stree) s->static_len += (ulg)f * (stree[n].Len + xbits); - } - if (overflow == 0) return; - - Trace((stderr,"\nbit length overflow\n")); - /* This happens for example on obj2 and pic of the Calgary corpus */ - - /* Find the first bit length which could increase: */ - do { - bits = max_length-1; - while (s->bl_count[bits] == 0) bits--; - s->bl_count[bits]--; /* move one leaf down the tree */ - s->bl_count[bits+1] += 2; /* move one overflow item as its brother */ - s->bl_count[max_length]--; - /* The brother of the overflow item also moves one step up, - * but this does not affect bl_count[max_length] - */ - overflow -= 2; - } while (overflow > 0); - - /* Now recompute all bit lengths, scanning in increasing frequency. - * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all - * lengths instead of fixing only the wrong ones. This idea is taken - * from 'ar' written by Haruhiko Okumura.) - */ - for (bits = max_length; bits != 0; bits--) { - n = s->bl_count[bits]; - while (n != 0) { - m = s->heap[--h]; - if (m > max_code) continue; - if ((unsigned) tree[m].Len != (unsigned) bits) { - Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits)); - s->opt_len += ((long)bits - (long)tree[m].Len) - *(long)tree[m].Freq; - tree[m].Len = (ush)bits; - } - n--; - } - } -} - -/* =========================================================================== - * Generate the codes for a given tree and bit counts (which need not be - * optimal). - * IN assertion: the array bl_count contains the bit length statistics for - * the given tree and the field len is set for all tree elements. - * OUT assertion: the field code is set for all tree elements of non - * zero code length. - */ -local void gen_codes (tree, max_code, bl_count) - ct_data *tree; /* the tree to decorate */ - int max_code; /* largest code with non zero frequency */ - ushf *bl_count; /* number of codes at each bit length */ -{ - ush next_code[MAX_BITS+1]; /* next code value for each bit length */ - ush code = 0; /* running code value */ - int bits; /* bit index */ - int n; /* code index */ - - /* The distribution counts are first used to generate the code values - * without bit reversal. - */ - for (bits = 1; bits <= MAX_BITS; bits++) { - next_code[bits] = code = (code + bl_count[bits-1]) << 1; - } - /* Check that the bit counts in bl_count are consistent. The last code - * must be all ones. - */ - Assert (code + bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1, - "inconsistent bit counts"); - Tracev((stderr,"\ngen_codes: max_code %d ", max_code)); - - for (n = 0; n <= max_code; n++) { - int len = tree[n].Len; - if (len == 0) continue; - /* Now reverse the bits */ - tree[n].Code = bi_reverse(next_code[len]++, len); - - Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ", - n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1)); - } -} - -/* =========================================================================== - * Construct one Huffman tree and assigns the code bit strings and lengths. - * Update the total bit length for the current block. - * IN assertion: the field freq is set for all tree elements. - * OUT assertions: the fields len and code are set to the optimal bit length - * and corresponding code. The length opt_len is updated; static_len is - * also updated if stree is not null. The field max_code is set. - */ -local void build_tree(s, desc) - deflate_state *s; - tree_desc *desc; /* the tree descriptor */ -{ - ct_data *tree = desc->dyn_tree; - const ct_data *stree = desc->stat_desc->static_tree; - int elems = desc->stat_desc->elems; - int n, m; /* iterate over heap elements */ - int max_code = -1; /* largest code with non zero frequency */ - int node; /* new node being created */ - - /* Construct the initial heap, with least frequent element in - * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1]. - * heap[0] is not used. - */ - s->heap_len = 0, s->heap_max = HEAP_SIZE; - - for (n = 0; n < elems; n++) { - if (tree[n].Freq != 0) { - s->heap[++(s->heap_len)] = max_code = n; - s->depth[n] = 0; - } else { - tree[n].Len = 0; - } - } - - /* The pkzip format requires that at least one distance code exists, - * and that at least one bit should be sent even if there is only one - * possible code. So to avoid special checks later on we force at least - * two codes of non zero frequency. - */ - while (s->heap_len < 2) { - node = s->heap[++(s->heap_len)] = (max_code < 2 ? ++max_code : 0); - tree[node].Freq = 1; - s->depth[node] = 0; - s->opt_len--; if (stree) s->static_len -= stree[node].Len; - /* node is 0 or 1 so it does not have extra bits */ - } - desc->max_code = max_code; - - /* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree, - * establish sub-heaps of increasing lengths: - */ - for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n); - - /* Construct the Huffman tree by repeatedly combining the least two - * frequent nodes. - */ - node = elems; /* next internal node of the tree */ - do { - pqremove(s, tree, n); /* n = node of least frequency */ - m = s->heap[SMALLEST]; /* m = node of next least frequency */ - - s->heap[--(s->heap_max)] = n; /* keep the nodes sorted by frequency */ - s->heap[--(s->heap_max)] = m; - - /* Create a new node father of n and m */ - tree[node].Freq = tree[n].Freq + tree[m].Freq; - s->depth[node] = (uch)((s->depth[n] >= s->depth[m] ? - s->depth[n] : s->depth[m]) + 1); - tree[n].Dad = tree[m].Dad = (ush)node; -#ifdef DUMP_BL_TREE - if (tree == s->bl_tree) { - fprintf(stderr,"\nnode %d(%d), sons %d(%d) %d(%d)", - node, tree[node].Freq, n, tree[n].Freq, m, tree[m].Freq); - } -#endif - /* and insert the new node in the heap */ - s->heap[SMALLEST] = node++; - pqdownheap(s, tree, SMALLEST); - - } while (s->heap_len >= 2); - - s->heap[--(s->heap_max)] = s->heap[SMALLEST]; - - /* At this point, the fields freq and dad are set. We can now - * generate the bit lengths. - */ - gen_bitlen(s, (tree_desc *)desc); - - /* The field len is now set, we can generate the bit codes */ - gen_codes ((ct_data *)tree, max_code, s->bl_count); -} - -/* =========================================================================== - * Scan a literal or distance tree to determine the frequencies of the codes - * in the bit length tree. - */ -local void scan_tree (s, tree, max_code) - deflate_state *s; - ct_data *tree; /* the tree to be scanned */ - int max_code; /* and its largest code of non zero frequency */ -{ - int n; /* iterates over all tree elements */ - int prevlen = -1; /* last emitted length */ - int curlen; /* length of current code */ - int nextlen = tree[0].Len; /* length of next code */ - int count = 0; /* repeat count of the current code */ - int max_count = 7; /* max repeat count */ - int min_count = 4; /* min repeat count */ - - if (nextlen == 0) max_count = 138, min_count = 3; - tree[max_code+1].Len = (ush)0xffff; /* guard */ - - for (n = 0; n <= max_code; n++) { - curlen = nextlen; nextlen = tree[n+1].Len; - if (++count < max_count && curlen == nextlen) { - continue; - } else if (count < min_count) { - s->bl_tree[curlen].Freq += count; - } else if (curlen != 0) { - if (curlen != prevlen) s->bl_tree[curlen].Freq++; - s->bl_tree[REP_3_6].Freq++; - } else if (count <= 10) { - s->bl_tree[REPZ_3_10].Freq++; - } else { - s->bl_tree[REPZ_11_138].Freq++; - } - count = 0; prevlen = curlen; - if (nextlen == 0) { - max_count = 138, min_count = 3; - } else if (curlen == nextlen) { - max_count = 6, min_count = 3; - } else { - max_count = 7, min_count = 4; - } - } -} - -/* =========================================================================== - * Send a literal or distance tree in compressed form, using the codes in - * bl_tree. - */ -local void send_tree (s, tree, max_code) - deflate_state *s; - ct_data *tree; /* the tree to be scanned */ - int max_code; /* and its largest code of non zero frequency */ -{ - int n; /* iterates over all tree elements */ - int prevlen = -1; /* last emitted length */ - int curlen; /* length of current code */ - int nextlen = tree[0].Len; /* length of next code */ - int count = 0; /* repeat count of the current code */ - int max_count = 7; /* max repeat count */ - int min_count = 4; /* min repeat count */ - - /* tree[max_code+1].Len = -1; */ /* guard already set */ - if (nextlen == 0) max_count = 138, min_count = 3; - - for (n = 0; n <= max_code; n++) { - curlen = nextlen; nextlen = tree[n+1].Len; - if (++count < max_count && curlen == nextlen) { - continue; - } else if (count < min_count) { - do { send_code(s, curlen, s->bl_tree); } while (--count != 0); - - } else if (curlen != 0) { - if (curlen != prevlen) { - send_code(s, curlen, s->bl_tree); count--; - } - Assert(count >= 3 && count <= 6, " 3_6?"); - send_code(s, REP_3_6, s->bl_tree); send_bits(s, count-3, 2); - - } else if (count <= 10) { - send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count-3, 3); - - } else { - send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count-11, 7); - } - count = 0; prevlen = curlen; - if (nextlen == 0) { - max_count = 138, min_count = 3; - } else if (curlen == nextlen) { - max_count = 6, min_count = 3; - } else { - max_count = 7, min_count = 4; - } - } -} - -/* =========================================================================== - * Construct the Huffman tree for the bit lengths and return the index in - * bl_order of the last bit length code to send. - */ -local int build_bl_tree(s) - deflate_state *s; -{ - int max_blindex; /* index of last bit length code of non zero freq */ - - /* Determine the bit length frequencies for literal and distance trees */ - scan_tree(s, (ct_data *)s->dyn_ltree, s->l_desc.max_code); - scan_tree(s, (ct_data *)s->dyn_dtree, s->d_desc.max_code); - - /* Build the bit length tree: */ - build_tree(s, (tree_desc *)(&(s->bl_desc))); - /* opt_len now includes the length of the tree representations, except - * the lengths of the bit lengths codes and the 5+5+4 bits for the counts. - */ - - /* Determine the number of bit length codes to send. The pkzip format - * requires that at least 4 bit length codes be sent. (appnote.txt says - * 3 but the actual value used is 4.) - */ - for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) { - if (s->bl_tree[bl_order[max_blindex]].Len != 0) break; - } - /* Update opt_len to include the bit length tree and counts */ - s->opt_len += 3*(max_blindex+1) + 5+5+4; - Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld", - s->opt_len, s->static_len)); - - return max_blindex; -} - -/* =========================================================================== - * Send the header for a block using dynamic Huffman trees: the counts, the - * lengths of the bit length codes, the literal tree and the distance tree. - * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. - */ -local void send_all_trees(s, lcodes, dcodes, blcodes) - deflate_state *s; - int lcodes, dcodes, blcodes; /* number of codes for each tree */ -{ - int rank; /* index in bl_order */ - - Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes"); - Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES, - "too many codes"); - Tracev((stderr, "\nbl counts: ")); - send_bits(s, lcodes-257, 5); /* not +255 as stated in appnote.txt */ - send_bits(s, dcodes-1, 5); - send_bits(s, blcodes-4, 4); /* not -3 as stated in appnote.txt */ - for (rank = 0; rank < blcodes; rank++) { - Tracev((stderr, "\nbl code %2d ", bl_order[rank])); - send_bits(s, s->bl_tree[bl_order[rank]].Len, 3); - } - Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent)); - - send_tree(s, (ct_data *)s->dyn_ltree, lcodes-1); /* literal tree */ - Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent)); - - send_tree(s, (ct_data *)s->dyn_dtree, dcodes-1); /* distance tree */ - Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent)); -} - -/* =========================================================================== - * Send a stored block - */ -void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last) - deflate_state *s; - charf *buf; /* input block */ - ulg stored_len; /* length of input block */ - int last; /* one if this is the last block for a file */ -{ - send_bits(s, (STORED_BLOCK<<1)+last, 3); /* send block type */ -#ifdef DEBUG - s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; - s->compressed_len += (stored_len + 4) << 3; -#endif - copy_block(s, buf, (unsigned)stored_len, 1); /* with header */ -} - -/* =========================================================================== - * Send one empty static block to give enough lookahead for inflate. - * This takes 10 bits, of which 7 may remain in the bit buffer. - * The current inflate code requires 9 bits of lookahead. If the - * last two codes for the previous block (real code plus EOB) were coded - * on 5 bits or less, inflate may have only 5+3 bits of lookahead to decode - * the last real code. In this case we send two empty static blocks instead - * of one. (There are no problems if the previous block is stored or fixed.) - * To simplify the code, we assume the worst case of last real code encoded - * on one bit only. - */ -void ZLIB_INTERNAL _tr_align(s) - deflate_state *s; -{ - send_bits(s, STATIC_TREES<<1, 3); - send_code(s, END_BLOCK, static_ltree); -#ifdef DEBUG - s->compressed_len += 10L; /* 3 for block type, 7 for EOB */ -#endif - bi_flush(s); - /* Of the 10 bits for the empty block, we have already sent - * (10 - bi_valid) bits. The lookahead for the last real code (before - * the EOB of the previous block) was thus at least one plus the length - * of the EOB plus what we have just sent of the empty static block. - */ - if (1 + s->last_eob_len + 10 - s->bi_valid < 9) { - send_bits(s, STATIC_TREES<<1, 3); - send_code(s, END_BLOCK, static_ltree); -#ifdef DEBUG - s->compressed_len += 10L; -#endif - bi_flush(s); - } - s->last_eob_len = 7; -} - -/* =========================================================================== - * Determine the best encoding for the current block: dynamic trees, static - * trees or store, and output the encoded block to the zip file. - */ -void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) - deflate_state *s; - charf *buf; /* input block, or NULL if too old */ - ulg stored_len; /* length of input block */ - int last; /* one if this is the last block for a file */ -{ - ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */ - int max_blindex = 0; /* index of last bit length code of non zero freq */ - - /* Build the Huffman trees unless a stored block is forced */ - if (s->level > 0) { - - /* Check if the file is binary or text */ - if (s->strm->data_type == Z_UNKNOWN) - s->strm->data_type = detect_data_type(s); - - /* Construct the literal and distance trees */ - build_tree(s, (tree_desc *)(&(s->l_desc))); - Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len, - s->static_len)); - - build_tree(s, (tree_desc *)(&(s->d_desc))); - Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len, - s->static_len)); - /* At this point, opt_len and static_len are the total bit lengths of - * the compressed block data, excluding the tree representations. - */ - - /* Build the bit length tree for the above two trees, and get the index - * in bl_order of the last bit length code to send. - */ - max_blindex = build_bl_tree(s); - - /* Determine the best encoding. Compute the block lengths in bytes. */ - opt_lenb = (s->opt_len+3+7)>>3; - static_lenb = (s->static_len+3+7)>>3; - - Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", - opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, - s->last_lit)); - - if (static_lenb <= opt_lenb) opt_lenb = static_lenb; - - } else { - Assert(buf != (char*)0, "lost buf"); - opt_lenb = static_lenb = stored_len + 5; /* force a stored block */ - } - -#ifdef FORCE_STORED - if (buf != (char*)0) { /* force stored block */ -#else - if (stored_len+4 <= opt_lenb && buf != (char*)0) { - /* 4: two words for the lengths */ -#endif - /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. - * Otherwise we can't have processed more than WSIZE input bytes since - * the last block flush, because compression would have been - * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to - * transform a block into a stored block. - */ - _tr_stored_block(s, buf, stored_len, last); - -#ifdef FORCE_STATIC - } else if (static_lenb >= 0) { /* force static trees */ -#else - } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) { -#endif - send_bits(s, (STATIC_TREES<<1)+last, 3); - compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree); -#ifdef DEBUG - s->compressed_len += 3 + s->static_len; -#endif - } else { - send_bits(s, (DYN_TREES<<1)+last, 3); - send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1, - max_blindex+1); - compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree); -#ifdef DEBUG - s->compressed_len += 3 + s->opt_len; -#endif - } - Assert (s->compressed_len == s->bits_sent, "bad compressed size"); - /* The above check is made mod 2^32, for files larger than 512 MB - * and uLong implemented on 32 bits. - */ - init_block(s); - - if (last) { - bi_windup(s); -#ifdef DEBUG - s->compressed_len += 7; /* align on byte boundary */ -#endif - } - Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3, - s->compressed_len-7*last)); -} - -/* =========================================================================== - * Save the match info and tally the frequency counts. Return true if - * the current block must be flushed. - */ -int ZLIB_INTERNAL _tr_tally (s, dist, lc) - deflate_state *s; - unsigned dist; /* distance of matched string */ - unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */ -{ - s->d_buf[s->last_lit] = (ush)dist; - s->l_buf[s->last_lit++] = (uch)lc; - if (dist == 0) { - /* lc is the unmatched char */ - s->dyn_ltree[lc].Freq++; - } else { - s->matches++; - /* Here, lc is the match length - MIN_MATCH */ - dist--; /* dist = match distance - 1 */ - Assert((ush)dist < (ush)MAX_DIST(s) && - (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) && - (ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match"); - - s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++; - s->dyn_dtree[d_code(dist)].Freq++; - } - -#ifdef TRUNCATE_BLOCK - /* Try to guess if it is profitable to stop the current block here */ - if ((s->last_lit & 0x1fff) == 0 && s->level > 2) { - /* Compute an upper bound for the compressed length */ - ulg out_length = (ulg)s->last_lit*8L; - ulg in_length = (ulg)((long)s->strstart - s->block_start); - int dcode; - for (dcode = 0; dcode < D_CODES; dcode++) { - out_length += (ulg)s->dyn_dtree[dcode].Freq * - (5L+extra_dbits[dcode]); - } - out_length >>= 3; - Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ", - s->last_lit, in_length, out_length, - 100L - out_length*100L/in_length)); - if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1; - } -#endif - return (s->last_lit == s->lit_bufsize-1); - /* We avoid equality with lit_bufsize because of wraparound at 64K - * on 16 bit machines and because stored blocks are restricted to - * 64K-1 bytes. - */ -} - -/* =========================================================================== - * Send the block data compressed using the given Huffman trees - */ -local void compress_block(s, ltree, dtree) - deflate_state *s; - ct_data *ltree; /* literal tree */ - ct_data *dtree; /* distance tree */ -{ - unsigned dist; /* distance of matched string */ - int lc; /* match length or unmatched char (if dist == 0) */ - unsigned lx = 0; /* running index in l_buf */ - unsigned code; /* the code to send */ - int extra; /* number of extra bits to send */ - - if (s->last_lit != 0) do { - dist = s->d_buf[lx]; - lc = s->l_buf[lx++]; - if (dist == 0) { - send_code(s, lc, ltree); /* send a literal byte */ - Tracecv(isgraph(lc), (stderr," '%c' ", lc)); - } else { - /* Here, lc is the match length - MIN_MATCH */ - code = _length_code[lc]; - send_code(s, code+LITERALS+1, ltree); /* send the length code */ - extra = extra_lbits[code]; - if (extra != 0) { - lc -= base_length[code]; - send_bits(s, lc, extra); /* send the extra length bits */ - } - dist--; /* dist is now the match distance - 1 */ - code = d_code(dist); - Assert (code < D_CODES, "bad d_code"); - - send_code(s, code, dtree); /* send the distance code */ - extra = extra_dbits[code]; - if (extra != 0) { - dist -= base_dist[code]; - send_bits(s, dist, extra); /* send the extra distance bits */ - } - } /* literal or match pair ? */ - - /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */ - Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx, - "pendingBuf overflow"); - - } while (lx < s->last_lit); - - send_code(s, END_BLOCK, ltree); - s->last_eob_len = ltree[END_BLOCK].Len; -} - -/* =========================================================================== - * Check if the data type is TEXT or BINARY, using the following algorithm: - * - TEXT if the two conditions below are satisfied: - * a) There are no non-portable control characters belonging to the - * "black list" (0..6, 14..25, 28..31). - * b) There is at least one printable character belonging to the - * "white list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255). - * - BINARY otherwise. - * - The following partially-portable control characters form a - * "gray list" that is ignored in this detection algorithm: - * (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}). - * IN assertion: the fields Freq of dyn_ltree are set. - */ -local int detect_data_type(s) - deflate_state *s; -{ - /* black_mask is the bit mask of black-listed bytes - * set bits 0..6, 14..25, and 28..31 - * 0xf3ffc07f = binary 11110011111111111100000001111111 - */ - unsigned long black_mask = 0xf3ffc07fUL; - int n; - - /* Check for non-textual ("black-listed") bytes. */ - for (n = 0; n <= 31; n++, black_mask >>= 1) - if ((black_mask & 1) && (s->dyn_ltree[n].Freq != 0)) - return Z_BINARY; - - /* Check for textual ("white-listed") bytes. */ - if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0 - || s->dyn_ltree[13].Freq != 0) - return Z_TEXT; - for (n = 32; n < LITERALS; n++) - if (s->dyn_ltree[n].Freq != 0) - return Z_TEXT; - - /* There are no "black-listed" or "white-listed" bytes: - * this stream either is empty or has tolerated ("gray-listed") bytes only. - */ - return Z_BINARY; -} - -/* =========================================================================== - * Reverse the first len bits of a code, using straightforward code (a faster - * method would use a table) - * IN assertion: 1 <= len <= 15 - */ -local unsigned bi_reverse(code, len) - unsigned code; /* the value to invert */ - int len; /* its bit length */ -{ - register unsigned res = 0; - do { - res |= code & 1; - code >>= 1, res <<= 1; - } while (--len > 0); - return res >> 1; -} - -/* =========================================================================== - * Flush the bit buffer, keeping at most 7 bits in it. - */ -local void bi_flush(s) - deflate_state *s; -{ - if (s->bi_valid == 16) { - put_short(s, s->bi_buf); - s->bi_buf = 0; - s->bi_valid = 0; - } else if (s->bi_valid >= 8) { - put_byte(s, (Byte)s->bi_buf); - s->bi_buf >>= 8; - s->bi_valid -= 8; - } -} - -/* =========================================================================== - * Flush the bit buffer and align the output on a byte boundary - */ -local void bi_windup(s) - deflate_state *s; -{ - if (s->bi_valid > 8) { - put_short(s, s->bi_buf); - } else if (s->bi_valid > 0) { - put_byte(s, (Byte)s->bi_buf); - } - s->bi_buf = 0; - s->bi_valid = 0; -#ifdef DEBUG - s->bits_sent = (s->bits_sent+7) & ~7; -#endif -} - -/* =========================================================================== - * Copy a stored block, storing first the length and its - * one's complement if requested. - */ -local void copy_block(s, buf, len, header) - deflate_state *s; - charf *buf; /* the input data */ - unsigned len; /* its length */ - int header; /* true if block header must be written */ -{ - bi_windup(s); /* align on byte boundary */ - s->last_eob_len = 8; /* enough lookahead for inflate */ - - if (header) { - put_short(s, (ush)len); - put_short(s, (ush)~len); -#ifdef DEBUG - s->bits_sent += 2*16; -#endif - } -#ifdef DEBUG - s->bits_sent += (ulg)len<<3; -#endif - while (len--) { - put_byte(s, *buf++); - } -} diff --git a/common/zlib/trees.h b/common/zlib/trees.h deleted file mode 100644 index d35639d8..00000000 --- a/common/zlib/trees.h +++ /dev/null @@ -1,128 +0,0 @@ -/* header created automatically with -DGEN_TREES_H */ - -local const ct_data static_ltree[L_CODES+2] = { -{{ 12},{ 8}}, {{140},{ 8}}, {{ 76},{ 8}}, {{204},{ 8}}, {{ 44},{ 8}}, -{{172},{ 8}}, {{108},{ 8}}, {{236},{ 8}}, {{ 28},{ 8}}, {{156},{ 8}}, -{{ 92},{ 8}}, {{220},{ 8}}, {{ 60},{ 8}}, {{188},{ 8}}, {{124},{ 8}}, -{{252},{ 8}}, {{ 2},{ 8}}, {{130},{ 8}}, {{ 66},{ 8}}, {{194},{ 8}}, -{{ 34},{ 8}}, {{162},{ 8}}, {{ 98},{ 8}}, {{226},{ 8}}, {{ 18},{ 8}}, -{{146},{ 8}}, {{ 82},{ 8}}, {{210},{ 8}}, {{ 50},{ 8}}, {{178},{ 8}}, -{{114},{ 8}}, {{242},{ 8}}, {{ 10},{ 8}}, {{138},{ 8}}, {{ 74},{ 8}}, -{{202},{ 8}}, {{ 42},{ 8}}, {{170},{ 8}}, {{106},{ 8}}, {{234},{ 8}}, -{{ 26},{ 8}}, {{154},{ 8}}, {{ 90},{ 8}}, {{218},{ 8}}, {{ 58},{ 8}}, -{{186},{ 8}}, {{122},{ 8}}, {{250},{ 8}}, {{ 6},{ 8}}, {{134},{ 8}}, -{{ 70},{ 8}}, {{198},{ 8}}, {{ 38},{ 8}}, {{166},{ 8}}, {{102},{ 8}}, -{{230},{ 8}}, {{ 22},{ 8}}, {{150},{ 8}}, {{ 86},{ 8}}, {{214},{ 8}}, -{{ 54},{ 8}}, {{182},{ 8}}, {{118},{ 8}}, {{246},{ 8}}, {{ 14},{ 8}}, -{{142},{ 8}}, {{ 78},{ 8}}, {{206},{ 8}}, {{ 46},{ 8}}, {{174},{ 8}}, -{{110},{ 8}}, {{238},{ 8}}, {{ 30},{ 8}}, {{158},{ 8}}, {{ 94},{ 8}}, -{{222},{ 8}}, {{ 62},{ 8}}, {{190},{ 8}}, {{126},{ 8}}, {{254},{ 8}}, -{{ 1},{ 8}}, {{129},{ 8}}, {{ 65},{ 8}}, {{193},{ 8}}, {{ 33},{ 8}}, -{{161},{ 8}}, {{ 97},{ 8}}, {{225},{ 8}}, {{ 17},{ 8}}, {{145},{ 8}}, -{{ 81},{ 8}}, {{209},{ 8}}, {{ 49},{ 8}}, {{177},{ 8}}, {{113},{ 8}}, -{{241},{ 8}}, {{ 9},{ 8}}, {{137},{ 8}}, {{ 73},{ 8}}, {{201},{ 8}}, -{{ 41},{ 8}}, {{169},{ 8}}, {{105},{ 8}}, {{233},{ 8}}, {{ 25},{ 8}}, -{{153},{ 8}}, {{ 89},{ 8}}, {{217},{ 8}}, {{ 57},{ 8}}, {{185},{ 8}}, -{{121},{ 8}}, {{249},{ 8}}, {{ 5},{ 8}}, {{133},{ 8}}, {{ 69},{ 8}}, -{{197},{ 8}}, {{ 37},{ 8}}, {{165},{ 8}}, {{101},{ 8}}, {{229},{ 8}}, -{{ 21},{ 8}}, {{149},{ 8}}, {{ 85},{ 8}}, {{213},{ 8}}, {{ 53},{ 8}}, -{{181},{ 8}}, {{117},{ 8}}, {{245},{ 8}}, {{ 13},{ 8}}, {{141},{ 8}}, -{{ 77},{ 8}}, {{205},{ 8}}, {{ 45},{ 8}}, {{173},{ 8}}, {{109},{ 8}}, -{{237},{ 8}}, {{ 29},{ 8}}, {{157},{ 8}}, {{ 93},{ 8}}, {{221},{ 8}}, -{{ 61},{ 8}}, {{189},{ 8}}, {{125},{ 8}}, {{253},{ 8}}, {{ 19},{ 9}}, -{{275},{ 9}}, {{147},{ 9}}, {{403},{ 9}}, {{ 83},{ 9}}, {{339},{ 9}}, -{{211},{ 9}}, {{467},{ 9}}, {{ 51},{ 9}}, {{307},{ 9}}, {{179},{ 9}}, -{{435},{ 9}}, {{115},{ 9}}, {{371},{ 9}}, {{243},{ 9}}, {{499},{ 9}}, -{{ 11},{ 9}}, {{267},{ 9}}, {{139},{ 9}}, {{395},{ 9}}, {{ 75},{ 9}}, -{{331},{ 9}}, {{203},{ 9}}, {{459},{ 9}}, {{ 43},{ 9}}, {{299},{ 9}}, -{{171},{ 9}}, {{427},{ 9}}, {{107},{ 9}}, {{363},{ 9}}, {{235},{ 9}}, -{{491},{ 9}}, {{ 27},{ 9}}, {{283},{ 9}}, {{155},{ 9}}, {{411},{ 9}}, -{{ 91},{ 9}}, {{347},{ 9}}, {{219},{ 9}}, {{475},{ 9}}, {{ 59},{ 9}}, -{{315},{ 9}}, {{187},{ 9}}, {{443},{ 9}}, {{123},{ 9}}, {{379},{ 9}}, -{{251},{ 9}}, {{507},{ 9}}, {{ 7},{ 9}}, {{263},{ 9}}, {{135},{ 9}}, -{{391},{ 9}}, {{ 71},{ 9}}, {{327},{ 9}}, {{199},{ 9}}, {{455},{ 9}}, -{{ 39},{ 9}}, {{295},{ 9}}, {{167},{ 9}}, {{423},{ 9}}, {{103},{ 9}}, -{{359},{ 9}}, {{231},{ 9}}, {{487},{ 9}}, {{ 23},{ 9}}, {{279},{ 9}}, -{{151},{ 9}}, {{407},{ 9}}, {{ 87},{ 9}}, {{343},{ 9}}, {{215},{ 9}}, -{{471},{ 9}}, {{ 55},{ 9}}, {{311},{ 9}}, {{183},{ 9}}, {{439},{ 9}}, -{{119},{ 9}}, {{375},{ 9}}, {{247},{ 9}}, {{503},{ 9}}, {{ 15},{ 9}}, -{{271},{ 9}}, {{143},{ 9}}, {{399},{ 9}}, {{ 79},{ 9}}, {{335},{ 9}}, -{{207},{ 9}}, {{463},{ 9}}, {{ 47},{ 9}}, {{303},{ 9}}, {{175},{ 9}}, -{{431},{ 9}}, {{111},{ 9}}, {{367},{ 9}}, {{239},{ 9}}, {{495},{ 9}}, -{{ 31},{ 9}}, {{287},{ 9}}, {{159},{ 9}}, {{415},{ 9}}, {{ 95},{ 9}}, -{{351},{ 9}}, {{223},{ 9}}, {{479},{ 9}}, {{ 63},{ 9}}, {{319},{ 9}}, -{{191},{ 9}}, {{447},{ 9}}, {{127},{ 9}}, {{383},{ 9}}, {{255},{ 9}}, -{{511},{ 9}}, {{ 0},{ 7}}, {{ 64},{ 7}}, {{ 32},{ 7}}, {{ 96},{ 7}}, -{{ 16},{ 7}}, {{ 80},{ 7}}, {{ 48},{ 7}}, {{112},{ 7}}, {{ 8},{ 7}}, -{{ 72},{ 7}}, {{ 40},{ 7}}, {{104},{ 7}}, {{ 24},{ 7}}, {{ 88},{ 7}}, -{{ 56},{ 7}}, {{120},{ 7}}, {{ 4},{ 7}}, {{ 68},{ 7}}, {{ 36},{ 7}}, -{{100},{ 7}}, {{ 20},{ 7}}, {{ 84},{ 7}}, {{ 52},{ 7}}, {{116},{ 7}}, -{{ 3},{ 8}}, {{131},{ 8}}, {{ 67},{ 8}}, {{195},{ 8}}, {{ 35},{ 8}}, -{{163},{ 8}}, {{ 99},{ 8}}, {{227},{ 8}} -}; - -local const ct_data static_dtree[D_CODES] = { -{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}}, -{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}}, -{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}}, -{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}}, -{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}}, -{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}} -}; - -const uch ZLIB_INTERNAL _dist_code[DIST_CODE_LEN] = { - 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, - 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, -10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, -11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, -12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, -13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, -13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, -14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, -14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, -14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, -15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, -15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, -15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17, -18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, -23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, -24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, -26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, -26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, -27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, -27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, -28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, -28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, -28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, -29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, -29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, -29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29 -}; - -const uch ZLIB_INTERNAL _length_code[MAX_MATCH-MIN_MATCH+1]= { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12, -13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, -17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, -19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, -21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, -22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, -23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, -24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, -25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, -25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, -26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, -26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, -27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28 -}; - -local const int base_length[LENGTH_CODES] = { -0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, -64, 80, 96, 112, 128, 160, 192, 224, 0 -}; - -local const int base_dist[D_CODES] = { - 0, 1, 2, 3, 4, 6, 8, 12, 16, 24, - 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, - 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576 -}; - diff --git a/common/zlib/uncompr.c b/common/zlib/uncompr.c deleted file mode 100644 index ad98be3a..00000000 --- a/common/zlib/uncompr.c +++ /dev/null @@ -1,59 +0,0 @@ -/* uncompr.c -- decompress a memory buffer - * Copyright (C) 1995-2003, 2010 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#define ZLIB_INTERNAL -#include "zlib.h" - -/* =========================================================================== - Decompresses the source buffer into the destination buffer. sourceLen is - the byte length of the source buffer. Upon entry, destLen is the total - size of the destination buffer, which must be large enough to hold the - entire uncompressed data. (The size of the uncompressed data must have - been saved previously by the compressor and transmitted to the decompressor - by some mechanism outside the scope of this compression library.) - Upon exit, destLen is the actual size of the compressed buffer. - - uncompress returns Z_OK if success, Z_MEM_ERROR if there was not - enough memory, Z_BUF_ERROR if there was not enough room in the output - buffer, or Z_DATA_ERROR if the input data was corrupted. -*/ -int ZEXPORT uncompress (dest, destLen, source, sourceLen) - Bytef *dest; - uLongf *destLen; - const Bytef *source; - uLong sourceLen; -{ - z_stream stream; - int err; - - stream.next_in = (Bytef*)source; - stream.avail_in = (uInt)sourceLen; - /* Check for source > 64K on 16-bit machine: */ - if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; - - stream.next_out = dest; - stream.avail_out = (uInt)*destLen; - if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; - - stream.zalloc = (alloc_func)0; - stream.zfree = (free_func)0; - - err = inflateInit(&stream); - if (err != Z_OK) return err; - - err = inflate(&stream, Z_FINISH); - if (err != Z_STREAM_END) { - inflateEnd(&stream); - if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0)) - return Z_DATA_ERROR; - return err; - } - *destLen = stream.total_out; - - err = inflateEnd(&stream); - return err; -} diff --git a/common/zlib/zconf.h b/common/zlib/zconf.h deleted file mode 100644 index 02ce56c4..00000000 --- a/common/zlib/zconf.h +++ /dev/null @@ -1,428 +0,0 @@ -/* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2010 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#ifndef ZCONF_H -#define ZCONF_H - -/* - * If you *really* need a unique prefix for all types and library functions, - * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. - * Even better than compiling with -DZ_PREFIX would be to use configure to set - * this permanently in zconf.h using "./configure --zprefix". - */ -#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ - -/* all linked symbols */ -# define _dist_code z__dist_code -# define _length_code z__length_code -# define _tr_align z__tr_align -# define _tr_flush_block z__tr_flush_block -# define _tr_init z__tr_init -# define _tr_stored_block z__tr_stored_block -# define _tr_tally z__tr_tally -# define adler32 z_adler32 -# define adler32_combine z_adler32_combine -# define adler32_combine64 z_adler32_combine64 -# define compress z_compress -# define compress2 z_compress2 -# define compressBound z_compressBound -# define crc32 z_crc32 -# define crc32_combine z_crc32_combine -# define crc32_combine64 z_crc32_combine64 -# define deflate z_deflate -# define deflateBound z_deflateBound -# define deflateCopy z_deflateCopy -# define deflateEnd z_deflateEnd -# define deflateInit2_ z_deflateInit2_ -# define deflateInit_ z_deflateInit_ -# define deflateParams z_deflateParams -# define deflatePrime z_deflatePrime -# define deflateReset z_deflateReset -# define deflateSetDictionary z_deflateSetDictionary -# define deflateSetHeader z_deflateSetHeader -# define deflateTune z_deflateTune -# define deflate_copyright z_deflate_copyright -# define get_crc_table z_get_crc_table -# define gz_error z_gz_error -# define gz_intmax z_gz_intmax -# define gz_strwinerror z_gz_strwinerror -# define gzbuffer z_gzbuffer -# define gzclearerr z_gzclearerr -# define gzclose z_gzclose -# define gzclose_r z_gzclose_r -# define gzclose_w z_gzclose_w -# define gzdirect z_gzdirect -# define gzdopen z_gzdopen -# define gzeof z_gzeof -# define gzerror z_gzerror -# define gzflush z_gzflush -# define gzgetc z_gzgetc -# define gzgets z_gzgets -# define gzoffset z_gzoffset -# define gzoffset64 z_gzoffset64 -# define gzopen z_gzopen -# define gzopen64 z_gzopen64 -# define gzprintf z_gzprintf -# define gzputc z_gzputc -# define gzputs z_gzputs -# define gzread z_gzread -# define gzrewind z_gzrewind -# define gzseek z_gzseek -# define gzseek64 z_gzseek64 -# define gzsetparams z_gzsetparams -# define gztell z_gztell -# define gztell64 z_gztell64 -# define gzungetc z_gzungetc -# define gzwrite z_gzwrite -# define inflate z_inflate -# define inflateBack z_inflateBack -# define inflateBackEnd z_inflateBackEnd -# define inflateBackInit_ z_inflateBackInit_ -# define inflateCopy z_inflateCopy -# define inflateEnd z_inflateEnd -# define inflateGetHeader z_inflateGetHeader -# define inflateInit2_ z_inflateInit2_ -# define inflateInit_ z_inflateInit_ -# define inflateMark z_inflateMark -# define inflatePrime z_inflatePrime -# define inflateReset z_inflateReset -# define inflateReset2 z_inflateReset2 -# define inflateSetDictionary z_inflateSetDictionary -# define inflateSync z_inflateSync -# define inflateSyncPoint z_inflateSyncPoint -# define inflateUndermine z_inflateUndermine -# define inflate_copyright z_inflate_copyright -# define inflate_fast z_inflate_fast -# define inflate_table z_inflate_table -# define uncompress z_uncompress -# define zError z_zError -# define zcalloc z_zcalloc -# define zcfree z_zcfree -# define zlibCompileFlags z_zlibCompileFlags -# define zlibVersion z_zlibVersion - -/* all zlib typedefs in zlib.h and zconf.h */ -# define Byte z_Byte -# define Bytef z_Bytef -# define alloc_func z_alloc_func -# define charf z_charf -# define free_func z_free_func -# define gzFile z_gzFile -# define gz_header z_gz_header -# define gz_headerp z_gz_headerp -# define in_func z_in_func -# define intf z_intf -# define out_func z_out_func -# define uInt z_uInt -# define uIntf z_uIntf -# define uLong z_uLong -# define uLongf z_uLongf -# define voidp z_voidp -# define voidpc z_voidpc -# define voidpf z_voidpf - -/* all zlib structs in zlib.h and zconf.h */ -# define gz_header_s z_gz_header_s -# define internal_state z_internal_state - -#endif - -#if defined(__MSDOS__) && !defined(MSDOS) -# define MSDOS -#endif -#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) -# define OS2 -#endif -#if defined(_WINDOWS) && !defined(WINDOWS) -# define WINDOWS -#endif -#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) -# ifndef WIN32 -# define WIN32 -# endif -#endif -#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) -# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) -# ifndef SYS16BIT -# define SYS16BIT -# endif -# endif -#endif - -/* - * Compile with -DMAXSEG_64K if the alloc function cannot allocate more - * than 64k bytes at a time (needed on systems with 16-bit int). - */ -#ifdef SYS16BIT -# define MAXSEG_64K -#endif -#ifdef MSDOS -# define UNALIGNED_OK -#endif - -#ifdef __STDC_VERSION__ -# ifndef STDC -# define STDC -# endif -# if __STDC_VERSION__ >= 199901L -# ifndef STDC99 -# define STDC99 -# endif -# endif -#endif -#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) -# define STDC -#endif -#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) -# define STDC -#endif -#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) -# define STDC -#endif -#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) -# define STDC -#endif - -#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ -# define STDC -#endif - -#ifndef STDC -# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ -# define const /* note: need a more gentle solution here */ -# endif -#endif - -/* Some Mac compilers merge all .h files incorrectly: */ -#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) -# define NO_DUMMY_DECL -#endif - -/* Maximum value for memLevel in deflateInit2 */ -#ifndef MAX_MEM_LEVEL -# ifdef MAXSEG_64K -# define MAX_MEM_LEVEL 8 -# else -# define MAX_MEM_LEVEL 9 -# endif -#endif - -/* Maximum value for windowBits in deflateInit2 and inflateInit2. - * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files - * created by gzip. (Files created by minigzip can still be extracted by - * gzip.) - */ -#ifndef MAX_WBITS -# define MAX_WBITS 15 /* 32K LZ77 window */ -#endif - -/* The memory requirements for deflate are (in bytes): - (1 << (windowBits+2)) + (1 << (memLevel+9)) - that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) - plus a few kilobytes for small objects. For example, if you want to reduce - the default memory requirements from 256K to 128K, compile with - make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" - Of course this will generally degrade compression (there's no free lunch). - - The memory requirements for inflate are (in bytes) 1 << windowBits - that is, 32K for windowBits=15 (default value) plus a few kilobytes - for small objects. -*/ - - /* Type declarations */ - -#ifndef OF /* function prototypes */ -# ifdef STDC -# define OF(args) args -# else -# define OF(args) () -# endif -#endif - -/* The following definitions for FAR are needed only for MSDOS mixed - * model programming (small or medium model with some far allocations). - * This was tested only with MSC; for other MSDOS compilers you may have - * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, - * just define FAR to be empty. - */ -#ifdef SYS16BIT -# if defined(M_I86SM) || defined(M_I86MM) - /* MSC small or medium model */ -# define SMALL_MEDIUM -# ifdef _MSC_VER -# define FAR _far -# else -# define FAR far -# endif -# endif -# if (defined(__SMALL__) || defined(__MEDIUM__)) - /* Turbo C small or medium model */ -# define SMALL_MEDIUM -# ifdef __BORLANDC__ -# define FAR _far -# else -# define FAR far -# endif -# endif -#endif - -#if defined(WINDOWS) || defined(WIN32) - /* If building or using zlib as a DLL, define ZLIB_DLL. - * This is not mandatory, but it offers a little performance increase. - */ -# ifdef ZLIB_DLL -# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) -# ifdef ZLIB_INTERNAL -# define ZEXTERN extern __declspec(dllexport) -# else -# define ZEXTERN extern __declspec(dllimport) -# endif -# endif -# endif /* ZLIB_DLL */ - /* If building or using zlib with the WINAPI/WINAPIV calling convention, - * define ZLIB_WINAPI. - * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. - */ -# ifdef ZLIB_WINAPI -# ifdef FAR -# undef FAR -# endif -# include <windows.h> - /* No need for _export, use ZLIB.DEF instead. */ - /* For complete Windows compatibility, use WINAPI, not __stdcall. */ -# define ZEXPORT WINAPI -# ifdef WIN32 -# define ZEXPORTVA WINAPIV -# else -# define ZEXPORTVA FAR CDECL -# endif -# endif -#endif - -#if defined (__BEOS__) -# ifdef ZLIB_DLL -# ifdef ZLIB_INTERNAL -# define ZEXPORT __declspec(dllexport) -# define ZEXPORTVA __declspec(dllexport) -# else -# define ZEXPORT __declspec(dllimport) -# define ZEXPORTVA __declspec(dllimport) -# endif -# endif -#endif - -#ifndef ZEXTERN -# define ZEXTERN extern -#endif -#ifndef ZEXPORT -# define ZEXPORT -#endif -#ifndef ZEXPORTVA -# define ZEXPORTVA -#endif - -#ifndef FAR -# define FAR -#endif - -#if !defined(__MACTYPES__) -typedef unsigned char Byte; /* 8 bits */ -#endif -typedef unsigned int uInt; /* 16 bits or more */ -typedef unsigned long uLong; /* 32 bits or more */ - -#ifdef SMALL_MEDIUM - /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ -# define Bytef Byte FAR -#else - typedef Byte FAR Bytef; -#endif -typedef char FAR charf; -typedef int FAR intf; -typedef uInt FAR uIntf; -typedef uLong FAR uLongf; - -#ifdef STDC - typedef void const *voidpc; - typedef void FAR *voidpf; - typedef void *voidp; -#else - typedef Byte const *voidpc; - typedef Byte FAR *voidpf; - typedef Byte *voidp; -#endif - -#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ -# define Z_HAVE_UNISTD_H -#endif - -#ifdef STDC -# include <sys/types.h> /* for off_t */ -#endif - -/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and - * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even - * though the former does not conform to the LFS document), but considering - * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as - * equivalently requesting no 64-bit operations - */ -#if -_LARGEFILE64_SOURCE - -1 == 1 -# undef _LARGEFILE64_SOURCE -#endif - -#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) -# include <unistd.h> /* for SEEK_* and off_t */ -# ifdef VMS -# include <unixio.h> /* for off_t */ -# endif -# ifndef z_off_t -# define z_off_t off_t -# endif -#endif - -#ifndef SEEK_SET -# define SEEK_SET 0 /* Seek from beginning of file. */ -# define SEEK_CUR 1 /* Seek from current position. */ -# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ -#endif - -#ifndef z_off_t -# define z_off_t long -#endif - -#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 -# define z_off64_t off64_t -#else -# define z_off64_t z_off_t -#endif - -#if defined(__OS400__) -# define NO_vsnprintf -#endif - -#if defined(__MVS__) -# define NO_vsnprintf -#endif - -/* MVS linker does not support external names larger than 8 bytes */ -#if defined(__MVS__) - #pragma map(deflateInit_,"DEIN") - #pragma map(deflateInit2_,"DEIN2") - #pragma map(deflateEnd,"DEEND") - #pragma map(deflateBound,"DEBND") - #pragma map(inflateInit_,"ININ") - #pragma map(inflateInit2_,"ININ2") - #pragma map(inflateEnd,"INEND") - #pragma map(inflateSync,"INSY") - #pragma map(inflateSetDictionary,"INSEDI") - #pragma map(compressBound,"CMBND") - #pragma map(inflate_table,"INTABL") - #pragma map(inflate_fast,"INFA") - #pragma map(inflate_copyright,"INCOPY") -#endif - -#endif /* ZCONF_H */ diff --git a/common/zlib/zlib.h b/common/zlib/zlib.h deleted file mode 100644 index bfbba83e..00000000 --- a/common/zlib/zlib.h +++ /dev/null @@ -1,1613 +0,0 @@ -/* zlib.h -- interface of the 'zlib' general purpose compression library - version 1.2.5, April 19th, 2010 - - Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Jean-loup Gailly Mark Adler - jloup@gzip.org madler@alumni.caltech.edu - - - The data format used by the zlib library is described by RFCs (Request for - Comments) 1950 to 1952 in the files http://www.ietf.org/rfc/rfc1950.txt - (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). -*/ - -#ifndef ZLIB_H -#define ZLIB_H - -#include "zconf.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define ZLIB_VERSION "1.2.5" -#define ZLIB_VERNUM 0x1250 -#define ZLIB_VER_MAJOR 1 -#define ZLIB_VER_MINOR 2 -#define ZLIB_VER_REVISION 5 -#define ZLIB_VER_SUBREVISION 0 - -/* - The 'zlib' compression library provides in-memory compression and - decompression functions, including integrity checks of the uncompressed data. - This version of the library supports only one compression method (deflation) - but other algorithms will be added later and will have the same stream - interface. - - Compression can be done in a single step if the buffers are large enough, - or can be done by repeated calls of the compression function. In the latter - case, the application must provide more input and/or consume the output - (providing more output space) before each call. - - The compressed data format used by default by the in-memory functions is - the zlib format, which is a zlib wrapper documented in RFC 1950, wrapped - around a deflate stream, which is itself documented in RFC 1951. - - The library also supports reading and writing files in gzip (.gz) format - with an interface similar to that of stdio using the functions that start - with "gz". The gzip format is different from the zlib format. gzip is a - gzip wrapper, documented in RFC 1952, wrapped around a deflate stream. - - This library can optionally read and write gzip streams in memory as well. - - The zlib format was designed to be compact and fast for use in memory - and on communications channels. The gzip format was designed for single- - file compression on file systems, has a larger header than zlib to maintain - directory information, and uses a different, slower check method than zlib. - - The library does not install any signal handler. The decoder checks - the consistency of the compressed data, so the library should never crash - even in case of corrupted input. -*/ - -typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size)); -typedef void (*free_func) OF((voidpf opaque, voidpf address)); - -struct internal_state; - -typedef struct z_stream_s { - Bytef *next_in; /* next input byte */ - uInt avail_in; /* number of bytes available at next_in */ - uLong total_in; /* total nb of input bytes read so far */ - - Bytef *next_out; /* next output byte should be put there */ - uInt avail_out; /* remaining free space at next_out */ - uLong total_out; /* total nb of bytes output so far */ - - char *msg; /* last error message, NULL if no error */ - struct internal_state FAR *state; /* not visible by applications */ - - alloc_func zalloc; /* used to allocate the internal state */ - free_func zfree; /* used to free the internal state */ - voidpf opaque; /* private data object passed to zalloc and zfree */ - - int data_type; /* best guess about the data type: binary or text */ - uLong adler; /* adler32 value of the uncompressed data */ - uLong reserved; /* reserved for future use */ -} z_stream; - -typedef z_stream FAR *z_streamp; - -/* - gzip header information passed to and from zlib routines. See RFC 1952 - for more details on the meanings of these fields. -*/ -typedef struct gz_header_s { - int text; /* true if compressed data believed to be text */ - uLong time; /* modification time */ - int xflags; /* extra flags (not used when writing a gzip file) */ - int os; /* operating system */ - Bytef *extra; /* pointer to extra field or Z_NULL if none */ - uInt extra_len; /* extra field length (valid if extra != Z_NULL) */ - uInt extra_max; /* space at extra (only when reading header) */ - Bytef *name; /* pointer to zero-terminated file name or Z_NULL */ - uInt name_max; /* space at name (only when reading header) */ - Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */ - uInt comm_max; /* space at comment (only when reading header) */ - int hcrc; /* true if there was or will be a header crc */ - int done; /* true when done reading gzip header (not used - when writing a gzip file) */ -} gz_header; - -typedef gz_header FAR *gz_headerp; - -/* - The application must update next_in and avail_in when avail_in has dropped - to zero. It must update next_out and avail_out when avail_out has dropped - to zero. The application must initialize zalloc, zfree and opaque before - calling the init function. All other fields are set by the compression - library and must not be updated by the application. - - The opaque value provided by the application will be passed as the first - parameter for calls of zalloc and zfree. This can be useful for custom - memory management. The compression library attaches no meaning to the - opaque value. - - zalloc must return Z_NULL if there is not enough memory for the object. - If zlib is used in a multi-threaded application, zalloc and zfree must be - thread safe. - - On 16-bit systems, the functions zalloc and zfree must be able to allocate - exactly 65536 bytes, but will not be required to allocate more than this if - the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS, pointers - returned by zalloc for objects of exactly 65536 bytes *must* have their - offset normalized to zero. The default allocation function provided by this - library ensures this (see zutil.c). To reduce memory requirements and avoid - any allocation of 64K objects, at the expense of compression ratio, compile - the library with -DMAX_WBITS=14 (see zconf.h). - - The fields total_in and total_out can be used for statistics or progress - reports. After compression, total_in holds the total size of the - uncompressed data and may be saved for use in the decompressor (particularly - if the decompressor wants to decompress everything in a single step). -*/ - - /* constants */ - -#define Z_NO_FLUSH 0 -#define Z_PARTIAL_FLUSH 1 -#define Z_SYNC_FLUSH 2 -#define Z_FULL_FLUSH 3 -#define Z_FINISH 4 -#define Z_BLOCK 5 -#define Z_TREES 6 -/* Allowed flush values; see deflate() and inflate() below for details */ - -#define Z_OK 0 -#define Z_STREAM_END 1 -#define Z_NEED_DICT 2 -#define Z_ERRNO (-1) -#define Z_STREAM_ERROR (-2) -#define Z_DATA_ERROR (-3) -#define Z_MEM_ERROR (-4) -#define Z_BUF_ERROR (-5) -#define Z_VERSION_ERROR (-6) -/* Return codes for the compression/decompression functions. Negative values - * are errors, positive values are used for special but normal events. - */ - -#define Z_NO_COMPRESSION 0 -#define Z_BEST_SPEED 1 -#define Z_BEST_COMPRESSION 9 -#define Z_DEFAULT_COMPRESSION (-1) -/* compression levels */ - -#define Z_FILTERED 1 -#define Z_HUFFMAN_ONLY 2 -#define Z_RLE 3 -#define Z_FIXED 4 -#define Z_DEFAULT_STRATEGY 0 -/* compression strategy; see deflateInit2() below for details */ - -#define Z_BINARY 0 -#define Z_TEXT 1 -#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */ -#define Z_UNKNOWN 2 -/* Possible values of the data_type field (though see inflate()) */ - -#define Z_DEFLATED 8 -/* The deflate compression method (the only one supported in this version) */ - -#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */ - -#define zlib_version zlibVersion() -/* for compatibility with versions < 1.0.2 */ - - - /* basic functions */ - -ZEXTERN const char * ZEXPORT zlibVersion OF((void)); -/* The application can compare zlibVersion and ZLIB_VERSION for consistency. - If the first character differs, the library code actually used is not - compatible with the zlib.h header file used by the application. This check - is automatically made by deflateInit and inflateInit. - */ - -/* -ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level)); - - Initializes the internal stream state for compression. The fields - zalloc, zfree and opaque must be initialized before by the caller. If - zalloc and zfree are set to Z_NULL, deflateInit updates them to use default - allocation functions. - - The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9: - 1 gives best speed, 9 gives best compression, 0 gives no compression at all - (the input data is simply copied a block at a time). Z_DEFAULT_COMPRESSION - requests a default compromise between speed and compression (currently - equivalent to level 6). - - deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough - memory, Z_STREAM_ERROR if level is not a valid compression level, or - Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible - with the version assumed by the caller (ZLIB_VERSION). msg is set to null - if there is no error message. deflateInit does not perform any compression: - this will be done by deflate(). -*/ - - -ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); -/* - deflate compresses as much data as possible, and stops when the input - buffer becomes empty or the output buffer becomes full. It may introduce - some output latency (reading input without producing any output) except when - forced to flush. - - The detailed semantics are as follows. deflate performs one or both of the - following actions: - - - Compress more input starting at next_in and update next_in and avail_in - accordingly. If not all input can be processed (because there is not - enough room in the output buffer), next_in and avail_in are updated and - processing will resume at this point for the next call of deflate(). - - - Provide more output starting at next_out and update next_out and avail_out - accordingly. This action is forced if the parameter flush is non zero. - Forcing flush frequently degrades the compression ratio, so this parameter - should be set only when necessary (in interactive applications). Some - output may be provided even if flush is not set. - - Before the call of deflate(), the application should ensure that at least - one of the actions is possible, by providing more input and/or consuming more - output, and updating avail_in or avail_out accordingly; avail_out should - never be zero before the call. The application can consume the compressed - output when it wants, for example when the output buffer is full (avail_out - == 0), or after each call of deflate(). If deflate returns Z_OK and with - zero avail_out, it must be called again after making room in the output - buffer because there might be more output pending. - - Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to - decide how much data to accumulate before producing output, in order to - maximize compression. - - If the parameter flush is set to Z_SYNC_FLUSH, all pending output is - flushed to the output buffer and the output is aligned on a byte boundary, so - that the decompressor can get all input data available so far. (In - particular avail_in is zero after the call if enough output space has been - provided before the call.) Flushing may degrade compression for some - compression algorithms and so it should be used only when necessary. This - completes the current deflate block and follows it with an empty stored block - that is three bits plus filler bits to the next byte, followed by four bytes - (00 00 ff ff). - - If flush is set to Z_PARTIAL_FLUSH, all pending output is flushed to the - output buffer, but the output is not aligned to a byte boundary. All of the - input data so far will be available to the decompressor, as for Z_SYNC_FLUSH. - This completes the current deflate block and follows it with an empty fixed - codes block that is 10 bits long. This assures that enough bytes are output - in order for the decompressor to finish the block before the empty fixed code - block. - - If flush is set to Z_BLOCK, a deflate block is completed and emitted, as - for Z_SYNC_FLUSH, but the output is not aligned on a byte boundary, and up to - seven bits of the current block are held to be written as the next byte after - the next deflate block is completed. In this case, the decompressor may not - be provided enough bits at this point in order to complete decompression of - the data provided so far to the compressor. It may need to wait for the next - block to be emitted. This is for advanced applications that need to control - the emission of deflate blocks. - - If flush is set to Z_FULL_FLUSH, all output is flushed as with - Z_SYNC_FLUSH, and the compression state is reset so that decompression can - restart from this point if previous compressed data has been damaged or if - random access is desired. Using Z_FULL_FLUSH too often can seriously degrade - compression. - - If deflate returns with avail_out == 0, this function must be called again - with the same value of the flush parameter and more output space (updated - avail_out), until the flush is complete (deflate returns with non-zero - avail_out). In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that - avail_out is greater than six to avoid repeated flush markers due to - avail_out == 0 on return. - - If the parameter flush is set to Z_FINISH, pending input is processed, - pending output is flushed and deflate returns with Z_STREAM_END if there was - enough output space; if deflate returns with Z_OK, this function must be - called again with Z_FINISH and more output space (updated avail_out) but no - more input data, until it returns with Z_STREAM_END or an error. After - deflate has returned Z_STREAM_END, the only possible operations on the stream - are deflateReset or deflateEnd. - - Z_FINISH can be used immediately after deflateInit if all the compression - is to be done in a single step. In this case, avail_out must be at least the - value returned by deflateBound (see below). If deflate does not return - Z_STREAM_END, then it must be called again as described above. - - deflate() sets strm->adler to the adler32 checksum of all input read - so far (that is, total_in bytes). - - deflate() may update strm->data_type if it can make a good guess about - the input data type (Z_BINARY or Z_TEXT). In doubt, the data is considered - binary. This field is only for information purposes and does not affect the - compression algorithm in any manner. - - deflate() returns Z_OK if some progress has been made (more input - processed or more output produced), Z_STREAM_END if all input has been - consumed and all output has been produced (only when flush is set to - Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example - if next_in or next_out was Z_NULL), Z_BUF_ERROR if no progress is possible - (for example avail_in or avail_out was zero). Note that Z_BUF_ERROR is not - fatal, and deflate() can be called again with more input and more output - space to continue compressing. -*/ - - -ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm)); -/* - All dynamically allocated data structures for this stream are freed. - This function discards any unprocessed input and does not flush any pending - output. - - deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the - stream state was inconsistent, Z_DATA_ERROR if the stream was freed - prematurely (some input or output was discarded). In the error case, msg - may be set but then points to a static string (which must not be - deallocated). -*/ - - -/* -ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm)); - - Initializes the internal stream state for decompression. The fields - next_in, avail_in, zalloc, zfree and opaque must be initialized before by - the caller. If next_in is not Z_NULL and avail_in is large enough (the - exact value depends on the compression method), inflateInit determines the - compression method from the zlib header and allocates all data structures - accordingly; otherwise the allocation will be deferred to the first call of - inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to - use default allocation functions. - - inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough - memory, Z_VERSION_ERROR if the zlib library version is incompatible with the - version assumed by the caller, or Z_STREAM_ERROR if the parameters are - invalid, such as a null pointer to the structure. msg is set to null if - there is no error message. inflateInit does not perform any decompression - apart from possibly reading the zlib header if present: actual decompression - will be done by inflate(). (So next_in and avail_in may be modified, but - next_out and avail_out are unused and unchanged.) The current implementation - of inflateInit() does not process any header information -- that is deferred - until inflate() is called. -*/ - - -ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); -/* - inflate decompresses as much data as possible, and stops when the input - buffer becomes empty or the output buffer becomes full. It may introduce - some output latency (reading input without producing any output) except when - forced to flush. - - The detailed semantics are as follows. inflate performs one or both of the - following actions: - - - Decompress more input starting at next_in and update next_in and avail_in - accordingly. If not all input can be processed (because there is not - enough room in the output buffer), next_in is updated and processing will - resume at this point for the next call of inflate(). - - - Provide more output starting at next_out and update next_out and avail_out - accordingly. inflate() provides as much output as possible, until there is - no more input data or no more space in the output buffer (see below about - the flush parameter). - - Before the call of inflate(), the application should ensure that at least - one of the actions is possible, by providing more input and/or consuming more - output, and updating the next_* and avail_* values accordingly. The - application can consume the uncompressed output when it wants, for example - when the output buffer is full (avail_out == 0), or after each call of - inflate(). If inflate returns Z_OK and with zero avail_out, it must be - called again after making room in the output buffer because there might be - more output pending. - - The flush parameter of inflate() can be Z_NO_FLUSH, Z_SYNC_FLUSH, Z_FINISH, - Z_BLOCK, or Z_TREES. Z_SYNC_FLUSH requests that inflate() flush as much - output as possible to the output buffer. Z_BLOCK requests that inflate() - stop if and when it gets to the next deflate block boundary. When decoding - the zlib or gzip format, this will cause inflate() to return immediately - after the header and before the first block. When doing a raw inflate, - inflate() will go ahead and process the first block, and will return when it - gets to the end of that block, or when it runs out of data. - - The Z_BLOCK option assists in appending to or combining deflate streams. - Also to assist in this, on return inflate() will set strm->data_type to the - number of unused bits in the last byte taken from strm->next_in, plus 64 if - inflate() is currently decoding the last block in the deflate stream, plus - 128 if inflate() returned immediately after decoding an end-of-block code or - decoding the complete header up to just before the first byte of the deflate - stream. The end-of-block will not be indicated until all of the uncompressed - data from that block has been written to strm->next_out. The number of - unused bits may in general be greater than seven, except when bit 7 of - data_type is set, in which case the number of unused bits will be less than - eight. data_type is set as noted here every time inflate() returns for all - flush options, and so can be used to determine the amount of currently - consumed input in bits. - - The Z_TREES option behaves as Z_BLOCK does, but it also returns when the - end of each deflate block header is reached, before any actual data in that - block is decoded. This allows the caller to determine the length of the - deflate block header for later use in random access within a deflate block. - 256 is added to the value of strm->data_type when inflate() returns - immediately after reaching the end of the deflate block header. - - inflate() should normally be called until it returns Z_STREAM_END or an - error. However if all decompression is to be performed in a single step (a - single call of inflate), the parameter flush should be set to Z_FINISH. In - this case all pending input is processed and all pending output is flushed; - avail_out must be large enough to hold all the uncompressed data. (The size - of the uncompressed data may have been saved by the compressor for this - purpose.) The next operation on this stream must be inflateEnd to deallocate - the decompression state. The use of Z_FINISH is never required, but can be - used to inform inflate that a faster approach may be used for the single - inflate() call. - - In this implementation, inflate() always flushes as much output as - possible to the output buffer, and always uses the faster approach on the - first call. So the only effect of the flush parameter in this implementation - is on the return value of inflate(), as noted below, or when it returns early - because Z_BLOCK or Z_TREES is used. - - If a preset dictionary is needed after this call (see inflateSetDictionary - below), inflate sets strm->adler to the adler32 checksum of the dictionary - chosen by the compressor and returns Z_NEED_DICT; otherwise it sets - strm->adler to the adler32 checksum of all output produced so far (that is, - total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described - below. At the end of the stream, inflate() checks that its computed adler32 - checksum is equal to that saved by the compressor and returns Z_STREAM_END - only if the checksum is correct. - - inflate() can decompress and check either zlib-wrapped or gzip-wrapped - deflate data. The header type is detected automatically, if requested when - initializing with inflateInit2(). Any information contained in the gzip - header is not retained, so applications that need that information should - instead use raw inflate, see inflateInit2() below, or inflateBack() and - perform their own processing of the gzip header and trailer. - - inflate() returns Z_OK if some progress has been made (more input processed - or more output produced), Z_STREAM_END if the end of the compressed data has - been reached and all uncompressed output has been produced, Z_NEED_DICT if a - preset dictionary is needed at this point, Z_DATA_ERROR if the input data was - corrupted (input stream not conforming to the zlib format or incorrect check - value), Z_STREAM_ERROR if the stream structure was inconsistent (for example - next_in or next_out was Z_NULL), Z_MEM_ERROR if there was not enough memory, - Z_BUF_ERROR if no progress is possible or if there was not enough room in the - output buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and - inflate() can be called again with more input and more output space to - continue decompressing. If Z_DATA_ERROR is returned, the application may - then call inflateSync() to look for a good compression block if a partial - recovery of the data is desired. -*/ - - -ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm)); -/* - All dynamically allocated data structures for this stream are freed. - This function discards any unprocessed input and does not flush any pending - output. - - inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state - was inconsistent. In the error case, msg may be set but then points to a - static string (which must not be deallocated). -*/ - - - /* Advanced functions */ - -/* - The following functions are needed only in some special applications. -*/ - -/* -ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, - int level, - int method, - int windowBits, - int memLevel, - int strategy)); - - This is another version of deflateInit with more compression options. The - fields next_in, zalloc, zfree and opaque must be initialized before by the - caller. - - The method parameter is the compression method. It must be Z_DEFLATED in - this version of the library. - - The windowBits parameter is the base two logarithm of the window size - (the size of the history buffer). It should be in the range 8..15 for this - version of the library. Larger values of this parameter result in better - compression at the expense of memory usage. The default value is 15 if - deflateInit is used instead. - - windowBits can also be -8..-15 for raw deflate. In this case, -windowBits - determines the window size. deflate() will then generate raw deflate data - with no zlib header or trailer, and will not compute an adler32 check value. - - windowBits can also be greater than 15 for optional gzip encoding. Add - 16 to windowBits to write a simple gzip header and trailer around the - compressed data instead of a zlib wrapper. The gzip header will have no - file name, no extra data, no comment, no modification time (set to zero), no - header crc, and the operating system will be set to 255 (unknown). If a - gzip stream is being written, strm->adler is a crc32 instead of an adler32. - - The memLevel parameter specifies how much memory should be allocated - for the internal compression state. memLevel=1 uses minimum memory but is - slow and reduces compression ratio; memLevel=9 uses maximum memory for - optimal speed. The default value is 8. See zconf.h for total memory usage - as a function of windowBits and memLevel. - - The strategy parameter is used to tune the compression algorithm. Use the - value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a - filter (or predictor), Z_HUFFMAN_ONLY to force Huffman encoding only (no - string match), or Z_RLE to limit match distances to one (run-length - encoding). Filtered data consists mostly of small values with a somewhat - random distribution. In this case, the compression algorithm is tuned to - compress them better. The effect of Z_FILTERED is to force more Huffman - coding and less string matching; it is somewhat intermediate between - Z_DEFAULT_STRATEGY and Z_HUFFMAN_ONLY. Z_RLE is designed to be almost as - fast as Z_HUFFMAN_ONLY, but give better compression for PNG image data. The - strategy parameter only affects the compression ratio but not the - correctness of the compressed output even if it is not set appropriately. - Z_FIXED prevents the use of dynamic Huffman codes, allowing for a simpler - decoder for special applications. - - deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough - memory, Z_STREAM_ERROR if any parameter is invalid (such as an invalid - method), or Z_VERSION_ERROR if the zlib library version (zlib_version) is - incompatible with the version assumed by the caller (ZLIB_VERSION). msg is - set to null if there is no error message. deflateInit2 does not perform any - compression: this will be done by deflate(). -*/ - -ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, - const Bytef *dictionary, - uInt dictLength)); -/* - Initializes the compression dictionary from the given byte sequence - without producing any compressed output. This function must be called - immediately after deflateInit, deflateInit2 or deflateReset, before any call - of deflate. The compressor and decompressor must use exactly the same - dictionary (see inflateSetDictionary). - - The dictionary should consist of strings (byte sequences) that are likely - to be encountered later in the data to be compressed, with the most commonly - used strings preferably put towards the end of the dictionary. Using a - dictionary is most useful when the data to be compressed is short and can be - predicted with good accuracy; the data can then be compressed better than - with the default empty dictionary. - - Depending on the size of the compression data structures selected by - deflateInit or deflateInit2, a part of the dictionary may in effect be - discarded, for example if the dictionary is larger than the window size - provided in deflateInit or deflateInit2. Thus the strings most likely to be - useful should be put at the end of the dictionary, not at the front. In - addition, the current implementation of deflate will use at most the window - size minus 262 bytes of the provided dictionary. - - Upon return of this function, strm->adler is set to the adler32 value - of the dictionary; the decompressor may later use this value to determine - which dictionary has been used by the compressor. (The adler32 value - applies to the whole dictionary even if only a subset of the dictionary is - actually used by the compressor.) If a raw deflate was requested, then the - adler32 value is not computed and strm->adler is not set. - - deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a - parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is - inconsistent (for example if deflate has already been called for this stream - or if the compression method is bsort). deflateSetDictionary does not - perform any compression: this will be done by deflate(). -*/ - -ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, - z_streamp source)); -/* - Sets the destination stream as a complete copy of the source stream. - - This function can be useful when several compression strategies will be - tried, for example when there are several ways of pre-processing the input - data with a filter. The streams that will be discarded should then be freed - by calling deflateEnd. Note that deflateCopy duplicates the internal - compression state which can be quite large, so this strategy is slow and can - consume lots of memory. - - deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not - enough memory, Z_STREAM_ERROR if the source stream state was inconsistent - (such as zalloc being Z_NULL). msg is left unchanged in both source and - destination. -*/ - -ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); -/* - This function is equivalent to deflateEnd followed by deflateInit, - but does not free and reallocate all the internal compression state. The - stream will keep the same compression level and any other attributes that - may have been set by deflateInit2. - - deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent (such as zalloc or state being Z_NULL). -*/ - -ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, - int level, - int strategy)); -/* - Dynamically update the compression level and compression strategy. The - interpretation of level and strategy is as in deflateInit2. This can be - used to switch between compression and straight copy of the input data, or - to switch to a different kind of input data requiring a different strategy. - If the compression level is changed, the input available so far is - compressed with the old level (and may be flushed); the new level will take - effect only at the next call of deflate(). - - Before the call of deflateParams, the stream state must be set as for - a call of deflate(), since the currently available input may have to be - compressed and flushed. In particular, strm->avail_out must be non-zero. - - deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source - stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR if - strm->avail_out was zero. -*/ - -ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm, - int good_length, - int max_lazy, - int nice_length, - int max_chain)); -/* - Fine tune deflate's internal compression parameters. This should only be - used by someone who understands the algorithm used by zlib's deflate for - searching for the best matching string, and even then only by the most - fanatic optimizer trying to squeeze out the last compressed bit for their - specific input data. Read the deflate.c source code for the meaning of the - max_lazy, good_length, nice_length, and max_chain parameters. - - deflateTune() can be called after deflateInit() or deflateInit2(), and - returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream. - */ - -ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm, - uLong sourceLen)); -/* - deflateBound() returns an upper bound on the compressed size after - deflation of sourceLen bytes. It must be called after deflateInit() or - deflateInit2(), and after deflateSetHeader(), if used. This would be used - to allocate an output buffer for deflation in a single pass, and so would be - called before deflate(). -*/ - -ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm, - int bits, - int value)); -/* - deflatePrime() inserts bits in the deflate output stream. The intent - is that this function is used to start off the deflate output with the bits - leftover from a previous deflate stream when appending to it. As such, this - function can only be used for raw deflate, and must be used before the first - deflate() call after a deflateInit2() or deflateReset(). bits must be less - than or equal to 16, and that many of the least significant bits of value - will be inserted in the output. - - deflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent. -*/ - -ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm, - gz_headerp head)); -/* - deflateSetHeader() provides gzip header information for when a gzip - stream is requested by deflateInit2(). deflateSetHeader() may be called - after deflateInit2() or deflateReset() and before the first call of - deflate(). The text, time, os, extra field, name, and comment information - in the provided gz_header structure are written to the gzip header (xflag is - ignored -- the extra flags are set according to the compression level). The - caller must assure that, if not Z_NULL, name and comment are terminated with - a zero byte, and that if extra is not Z_NULL, that extra_len bytes are - available there. If hcrc is true, a gzip header crc is included. Note that - the current versions of the command-line version of gzip (up through version - 1.3.x) do not support header crc's, and will report that it is a "multi-part - gzip file" and give up. - - If deflateSetHeader is not used, the default gzip header has text false, - the time set to zero, and os set to 255, with no extra, name, or comment - fields. The gzip header is returned to the default state by deflateReset(). - - deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent. -*/ - -/* -ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, - int windowBits)); - - This is another version of inflateInit with an extra parameter. The - fields next_in, avail_in, zalloc, zfree and opaque must be initialized - before by the caller. - - The windowBits parameter is the base two logarithm of the maximum window - size (the size of the history buffer). It should be in the range 8..15 for - this version of the library. The default value is 15 if inflateInit is used - instead. windowBits must be greater than or equal to the windowBits value - provided to deflateInit2() while compressing, or it must be equal to 15 if - deflateInit2() was not used. If a compressed stream with a larger window - size is given as input, inflate() will return with the error code - Z_DATA_ERROR instead of trying to allocate a larger window. - - windowBits can also be zero to request that inflate use the window size in - the zlib header of the compressed stream. - - windowBits can also be -8..-15 for raw inflate. In this case, -windowBits - determines the window size. inflate() will then process raw deflate data, - not looking for a zlib or gzip header, not generating a check value, and not - looking for any check values for comparison at the end of the stream. This - is for use with other formats that use the deflate compressed data format - such as zip. Those formats provide their own check values. If a custom - format is developed using the raw deflate format for compressed data, it is - recommended that a check value such as an adler32 or a crc32 be applied to - the uncompressed data as is done in the zlib, gzip, and zip formats. For - most applications, the zlib format should be used as is. Note that comments - above on the use in deflateInit2() applies to the magnitude of windowBits. - - windowBits can also be greater than 15 for optional gzip decoding. Add - 32 to windowBits to enable zlib and gzip decoding with automatic header - detection, or add 16 to decode only the gzip format (the zlib format will - return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is a - crc32 instead of an adler32. - - inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough - memory, Z_VERSION_ERROR if the zlib library version is incompatible with the - version assumed by the caller, or Z_STREAM_ERROR if the parameters are - invalid, such as a null pointer to the structure. msg is set to null if - there is no error message. inflateInit2 does not perform any decompression - apart from possibly reading the zlib header if present: actual decompression - will be done by inflate(). (So next_in and avail_in may be modified, but - next_out and avail_out are unused and unchanged.) The current implementation - of inflateInit2() does not process any header information -- that is - deferred until inflate() is called. -*/ - -ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, - const Bytef *dictionary, - uInt dictLength)); -/* - Initializes the decompression dictionary from the given uncompressed byte - sequence. This function must be called immediately after a call of inflate, - if that call returned Z_NEED_DICT. The dictionary chosen by the compressor - can be determined from the adler32 value returned by that call of inflate. - The compressor and decompressor must use exactly the same dictionary (see - deflateSetDictionary). For raw inflate, this function can be called - immediately after inflateInit2() or inflateReset() and before any call of - inflate() to set the dictionary. The application must insure that the - dictionary that was used for compression is provided. - - inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a - parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is - inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the - expected one (incorrect adler32 value). inflateSetDictionary does not - perform any decompression: this will be done by subsequent calls of - inflate(). -*/ - -ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); -/* - Skips invalid compressed data until a full flush point (see above the - description of deflate with Z_FULL_FLUSH) can be found, or until all - available input is skipped. No output is provided. - - inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR - if no more input was provided, Z_DATA_ERROR if no flush point has been - found, or Z_STREAM_ERROR if the stream structure was inconsistent. In the - success case, the application may save the current current value of total_in - which indicates where valid compressed data was found. In the error case, - the application may repeatedly call inflateSync, providing more input each - time, until success or end of the input data. -*/ - -ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest, - z_streamp source)); -/* - Sets the destination stream as a complete copy of the source stream. - - This function can be useful when randomly accessing a large stream. The - first pass through the stream can periodically record the inflate state, - allowing restarting inflate at those points when randomly accessing the - stream. - - inflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not - enough memory, Z_STREAM_ERROR if the source stream state was inconsistent - (such as zalloc being Z_NULL). msg is left unchanged in both source and - destination. -*/ - -ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); -/* - This function is equivalent to inflateEnd followed by inflateInit, - but does not free and reallocate all the internal decompression state. The - stream will keep attributes that may have been set by inflateInit2. - - inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent (such as zalloc or state being Z_NULL). -*/ - -ZEXTERN int ZEXPORT inflateReset2 OF((z_streamp strm, - int windowBits)); -/* - This function is the same as inflateReset, but it also permits changing - the wrap and window size requests. The windowBits parameter is interpreted - the same as it is for inflateInit2. - - inflateReset2 returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent (such as zalloc or state being Z_NULL), or if - the windowBits parameter is invalid. -*/ - -ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm, - int bits, - int value)); -/* - This function inserts bits in the inflate input stream. The intent is - that this function is used to start inflating at a bit position in the - middle of a byte. The provided bits will be used before any bytes are used - from next_in. This function should only be used with raw inflate, and - should be used before the first inflate() call after inflateInit2() or - inflateReset(). bits must be less than or equal to 16, and that many of the - least significant bits of value will be inserted in the input. - - If bits is negative, then the input stream bit buffer is emptied. Then - inflatePrime() can be called again to put bits in the buffer. This is used - to clear out bits leftover after feeding inflate a block description prior - to feeding inflate codes. - - inflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent. -*/ - -ZEXTERN long ZEXPORT inflateMark OF((z_streamp strm)); -/* - This function returns two values, one in the lower 16 bits of the return - value, and the other in the remaining upper bits, obtained by shifting the - return value down 16 bits. If the upper value is -1 and the lower value is - zero, then inflate() is currently decoding information outside of a block. - If the upper value is -1 and the lower value is non-zero, then inflate is in - the middle of a stored block, with the lower value equaling the number of - bytes from the input remaining to copy. If the upper value is not -1, then - it is the number of bits back from the current bit position in the input of - the code (literal or length/distance pair) currently being processed. In - that case the lower value is the number of bytes already emitted for that - code. - - A code is being processed if inflate is waiting for more input to complete - decoding of the code, or if it has completed decoding but is waiting for - more output space to write the literal or match data. - - inflateMark() is used to mark locations in the input data for random - access, which may be at bit positions, and to note those cases where the - output of a code may span boundaries of random access blocks. The current - location in the input stream can be determined from avail_in and data_type - as noted in the description for the Z_BLOCK flush parameter for inflate. - - inflateMark returns the value noted above or -1 << 16 if the provided - source stream state was inconsistent. -*/ - -ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm, - gz_headerp head)); -/* - inflateGetHeader() requests that gzip header information be stored in the - provided gz_header structure. inflateGetHeader() may be called after - inflateInit2() or inflateReset(), and before the first call of inflate(). - As inflate() processes the gzip stream, head->done is zero until the header - is completed, at which time head->done is set to one. If a zlib stream is - being decoded, then head->done is set to -1 to indicate that there will be - no gzip header information forthcoming. Note that Z_BLOCK or Z_TREES can be - used to force inflate() to return immediately after header processing is - complete and before any actual data is decompressed. - - The text, time, xflags, and os fields are filled in with the gzip header - contents. hcrc is set to true if there is a header CRC. (The header CRC - was valid if done is set to one.) If extra is not Z_NULL, then extra_max - contains the maximum number of bytes to write to extra. Once done is true, - extra_len contains the actual extra field length, and extra contains the - extra field, or that field truncated if extra_max is less than extra_len. - If name is not Z_NULL, then up to name_max characters are written there, - terminated with a zero unless the length is greater than name_max. If - comment is not Z_NULL, then up to comm_max characters are written there, - terminated with a zero unless the length is greater than comm_max. When any - of extra, name, or comment are not Z_NULL and the respective field is not - present in the header, then that field is set to Z_NULL to signal its - absence. This allows the use of deflateSetHeader() with the returned - structure to duplicate the header. However if those fields are set to - allocated memory, then the application will need to save those pointers - elsewhere so that they can be eventually freed. - - If inflateGetHeader is not used, then the header information is simply - discarded. The header is always checked for validity, including the header - CRC if present. inflateReset() will reset the process to discard the header - information. The application would need to call inflateGetHeader() again to - retrieve the header from the next gzip stream. - - inflateGetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source - stream state was inconsistent. -*/ - -/* -ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits, - unsigned char FAR *window)); - - Initialize the internal stream state for decompression using inflateBack() - calls. The fields zalloc, zfree and opaque in strm must be initialized - before the call. If zalloc and zfree are Z_NULL, then the default library- - derived memory allocation routines are used. windowBits is the base two - logarithm of the window size, in the range 8..15. window is a caller - supplied buffer of that size. Except for special applications where it is - assured that deflate was used with small window sizes, windowBits must be 15 - and a 32K byte window must be supplied to be able to decompress general - deflate streams. - - See inflateBack() for the usage of these routines. - - inflateBackInit will return Z_OK on success, Z_STREAM_ERROR if any of - the paramaters are invalid, Z_MEM_ERROR if the internal state could not be - allocated, or Z_VERSION_ERROR if the version of the library does not match - the version of the header file. -*/ - -typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *)); -typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned)); - -ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, - in_func in, void FAR *in_desc, - out_func out, void FAR *out_desc)); -/* - inflateBack() does a raw inflate with a single call using a call-back - interface for input and output. This is more efficient than inflate() for - file i/o applications in that it avoids copying between the output and the - sliding window by simply making the window itself the output buffer. This - function trusts the application to not change the output buffer passed by - the output function, at least until inflateBack() returns. - - inflateBackInit() must be called first to allocate the internal state - and to initialize the state with the user-provided window buffer. - inflateBack() may then be used multiple times to inflate a complete, raw - deflate stream with each call. inflateBackEnd() is then called to free the - allocated state. - - A raw deflate stream is one with no zlib or gzip header or trailer. - This routine would normally be used in a utility that reads zip or gzip - files and writes out uncompressed files. The utility would decode the - header and process the trailer on its own, hence this routine expects only - the raw deflate stream to decompress. This is different from the normal - behavior of inflate(), which expects either a zlib or gzip header and - trailer around the deflate stream. - - inflateBack() uses two subroutines supplied by the caller that are then - called by inflateBack() for input and output. inflateBack() calls those - routines until it reads a complete deflate stream and writes out all of the - uncompressed data, or until it encounters an error. The function's - parameters and return types are defined above in the in_func and out_func - typedefs. inflateBack() will call in(in_desc, &buf) which should return the - number of bytes of provided input, and a pointer to that input in buf. If - there is no input available, in() must return zero--buf is ignored in that - case--and inflateBack() will return a buffer error. inflateBack() will call - out(out_desc, buf, len) to write the uncompressed data buf[0..len-1]. out() - should return zero on success, or non-zero on failure. If out() returns - non-zero, inflateBack() will return with an error. Neither in() nor out() - are permitted to change the contents of the window provided to - inflateBackInit(), which is also the buffer that out() uses to write from. - The length written by out() will be at most the window size. Any non-zero - amount of input may be provided by in(). - - For convenience, inflateBack() can be provided input on the first call by - setting strm->next_in and strm->avail_in. If that input is exhausted, then - in() will be called. Therefore strm->next_in must be initialized before - calling inflateBack(). If strm->next_in is Z_NULL, then in() will be called - immediately for input. If strm->next_in is not Z_NULL, then strm->avail_in - must also be initialized, and then if strm->avail_in is not zero, input will - initially be taken from strm->next_in[0 .. strm->avail_in - 1]. - - The in_desc and out_desc parameters of inflateBack() is passed as the - first parameter of in() and out() respectively when they are called. These - descriptors can be optionally used to pass any information that the caller- - supplied in() and out() functions need to do their job. - - On return, inflateBack() will set strm->next_in and strm->avail_in to - pass back any unused input that was provided by the last in() call. The - return values of inflateBack() can be Z_STREAM_END on success, Z_BUF_ERROR - if in() or out() returned an error, Z_DATA_ERROR if there was a format error - in the deflate stream (in which case strm->msg is set to indicate the nature - of the error), or Z_STREAM_ERROR if the stream was not properly initialized. - In the case of Z_BUF_ERROR, an input or output error can be distinguished - using strm->next_in which will be Z_NULL only if in() returned an error. If - strm->next_in is not Z_NULL, then the Z_BUF_ERROR was due to out() returning - non-zero. (in() will always be called before out(), so strm->next_in is - assured to be defined if out() returns non-zero.) Note that inflateBack() - cannot return Z_OK. -*/ - -ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm)); -/* - All memory allocated by inflateBackInit() is freed. - - inflateBackEnd() returns Z_OK on success, or Z_STREAM_ERROR if the stream - state was inconsistent. -*/ - -ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void)); -/* Return flags indicating compile-time options. - - Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other: - 1.0: size of uInt - 3.2: size of uLong - 5.4: size of voidpf (pointer) - 7.6: size of z_off_t - - Compiler, assembler, and debug options: - 8: DEBUG - 9: ASMV or ASMINF -- use ASM code - 10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention - 11: 0 (reserved) - - One-time table building (smaller code, but not thread-safe if true): - 12: BUILDFIXED -- build static block decoding tables when needed - 13: DYNAMIC_CRC_TABLE -- build CRC calculation tables when needed - 14,15: 0 (reserved) - - Library content (indicates missing functionality): - 16: NO_GZCOMPRESS -- gz* functions cannot compress (to avoid linking - deflate code when not needed) - 17: NO_GZIP -- deflate can't write gzip streams, and inflate can't detect - and decode gzip streams (to avoid linking crc code) - 18-19: 0 (reserved) - - Operation variations (changes in library functionality): - 20: PKZIP_BUG_WORKAROUND -- slightly more permissive inflate - 21: FASTEST -- deflate algorithm with only one, lowest compression level - 22,23: 0 (reserved) - - The sprintf variant used by gzprintf (zero is best): - 24: 0 = vs*, 1 = s* -- 1 means limited to 20 arguments after the format - 25: 0 = *nprintf, 1 = *printf -- 1 means gzprintf() not secure! - 26: 0 = returns value, 1 = void -- 1 means inferred string length returned - - Remainder: - 27-31: 0 (reserved) - */ - - - /* utility functions */ - -/* - The following utility functions are implemented on top of the basic - stream-oriented functions. To simplify the interface, some default options - are assumed (compression level and memory usage, standard memory allocation - functions). The source code of these utility functions can be modified if - you need special options. -*/ - -ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen)); -/* - Compresses the source buffer into the destination buffer. sourceLen is - the byte length of the source buffer. Upon entry, destLen is the total size - of the destination buffer, which must be at least the value returned by - compressBound(sourceLen). Upon exit, destLen is the actual size of the - compressed buffer. - - compress returns Z_OK if success, Z_MEM_ERROR if there was not - enough memory, Z_BUF_ERROR if there was not enough room in the output - buffer. -*/ - -ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen, - int level)); -/* - Compresses the source buffer into the destination buffer. The level - parameter has the same meaning as in deflateInit. sourceLen is the byte - length of the source buffer. Upon entry, destLen is the total size of the - destination buffer, which must be at least the value returned by - compressBound(sourceLen). Upon exit, destLen is the actual size of the - compressed buffer. - - compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough - memory, Z_BUF_ERROR if there was not enough room in the output buffer, - Z_STREAM_ERROR if the level parameter is invalid. -*/ - -ZEXTERN uLong ZEXPORT compressBound OF((uLong sourceLen)); -/* - compressBound() returns an upper bound on the compressed size after - compress() or compress2() on sourceLen bytes. It would be used before a - compress() or compress2() call to allocate the destination buffer. -*/ - -ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen)); -/* - Decompresses the source buffer into the destination buffer. sourceLen is - the byte length of the source buffer. Upon entry, destLen is the total size - of the destination buffer, which must be large enough to hold the entire - uncompressed data. (The size of the uncompressed data must have been saved - previously by the compressor and transmitted to the decompressor by some - mechanism outside the scope of this compression library.) Upon exit, destLen - is the actual size of the uncompressed buffer. - - uncompress returns Z_OK if success, Z_MEM_ERROR if there was not - enough memory, Z_BUF_ERROR if there was not enough room in the output - buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete. -*/ - - - /* gzip file access functions */ - -/* - This library supports reading and writing files in gzip (.gz) format with - an interface similar to that of stdio, using the functions that start with - "gz". The gzip format is different from the zlib format. gzip is a gzip - wrapper, documented in RFC 1952, wrapped around a deflate stream. -*/ - -typedef voidp gzFile; /* opaque gzip file descriptor */ - -/* -ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); - - Opens a gzip (.gz) file for reading or writing. The mode parameter is as - in fopen ("rb" or "wb") but can also include a compression level ("wb9") or - a strategy: 'f' for filtered data as in "wb6f", 'h' for Huffman-only - compression as in "wb1h", 'R' for run-length encoding as in "wb1R", or 'F' - for fixed code compression as in "wb9F". (See the description of - deflateInit2 for more information about the strategy parameter.) Also "a" - can be used instead of "w" to request that the gzip stream that will be - written be appended to the file. "+" will result in an error, since reading - and writing to the same gzip file is not supported. - - gzopen can be used to read a file which is not in gzip format; in this - case gzread will directly read from the file without decompression. - - gzopen returns NULL if the file could not be opened, if there was - insufficient memory to allocate the gzFile state, or if an invalid mode was - specified (an 'r', 'w', or 'a' was not provided, or '+' was provided). - errno can be checked to determine if the reason gzopen failed was that the - file could not be opened. -*/ - -ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode)); -/* - gzdopen associates a gzFile with the file descriptor fd. File descriptors - are obtained from calls like open, dup, creat, pipe or fileno (if the file - has been previously opened with fopen). The mode parameter is as in gzopen. - - The next call of gzclose on the returned gzFile will also close the file - descriptor fd, just like fclose(fdopen(fd, mode)) closes the file descriptor - fd. If you want to keep fd open, use fd = dup(fd_keep); gz = gzdopen(fd, - mode);. The duplicated descriptor should be saved to avoid a leak, since - gzdopen does not close fd if it fails. - - gzdopen returns NULL if there was insufficient memory to allocate the - gzFile state, if an invalid mode was specified (an 'r', 'w', or 'a' was not - provided, or '+' was provided), or if fd is -1. The file descriptor is not - used until the next gz* read, write, seek, or close operation, so gzdopen - will not detect if fd is invalid (unless fd is -1). -*/ - -ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size)); -/* - Set the internal buffer size used by this library's functions. The - default buffer size is 8192 bytes. This function must be called after - gzopen() or gzdopen(), and before any other calls that read or write the - file. The buffer memory allocation is always deferred to the first read or - write. Two buffers are allocated, either both of the specified size when - writing, or one of the specified size and the other twice that size when - reading. A larger buffer size of, for example, 64K or 128K bytes will - noticeably increase the speed of decompression (reading). - - The new buffer size also affects the maximum length for gzprintf(). - - gzbuffer() returns 0 on success, or -1 on failure, such as being called - too late. -*/ - -ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); -/* - Dynamically update the compression level or strategy. See the description - of deflateInit2 for the meaning of these parameters. - - gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not - opened for writing. -*/ - -ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); -/* - Reads the given number of uncompressed bytes from the compressed file. If - the input file was not in gzip format, gzread copies the given number of - bytes into the buffer. - - After reaching the end of a gzip stream in the input, gzread will continue - to read, looking for another gzip stream, or failing that, reading the rest - of the input file directly without decompression. The entire input file - will be read if gzread is called until it returns less than the requested - len. - - gzread returns the number of uncompressed bytes actually read, less than - len for end of file, or -1 for error. -*/ - -ZEXTERN int ZEXPORT gzwrite OF((gzFile file, - voidpc buf, unsigned len)); -/* - Writes the given number of uncompressed bytes into the compressed file. - gzwrite returns the number of uncompressed bytes written or 0 in case of - error. -*/ - -ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...)); -/* - Converts, formats, and writes the arguments to the compressed file under - control of the format string, as in fprintf. gzprintf returns the number of - uncompressed bytes actually written, or 0 in case of error. The number of - uncompressed bytes written is limited to 8191, or one less than the buffer - size given to gzbuffer(). The caller should assure that this limit is not - exceeded. If it is exceeded, then gzprintf() will return an error (0) with - nothing written. In this case, there may also be a buffer overflow with - unpredictable consequences, which is possible only if zlib was compiled with - the insecure functions sprintf() or vsprintf() because the secure snprintf() - or vsnprintf() functions were not available. This can be determined using - zlibCompileFlags(). -*/ - -ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s)); -/* - Writes the given null-terminated string to the compressed file, excluding - the terminating null character. - - gzputs returns the number of characters written, or -1 in case of error. -*/ - -ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len)); -/* - Reads bytes from the compressed file until len-1 characters are read, or a - newline character is read and transferred to buf, or an end-of-file - condition is encountered. If any characters are read or if len == 1, the - string is terminated with a null character. If no characters are read due - to an end-of-file or len < 1, then the buffer is left untouched. - - gzgets returns buf which is a null-terminated string, or it returns NULL - for end-of-file or in case of error. If there was an error, the contents at - buf are indeterminate. -*/ - -ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c)); -/* - Writes c, converted to an unsigned char, into the compressed file. gzputc - returns the value that was written, or -1 in case of error. -*/ - -ZEXTERN int ZEXPORT gzgetc OF((gzFile file)); -/* - Reads one byte from the compressed file. gzgetc returns this byte or -1 - in case of end of file or error. -*/ - -ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file)); -/* - Push one character back onto the stream to be read as the first character - on the next read. At least one character of push-back is allowed. - gzungetc() returns the character pushed, or -1 on failure. gzungetc() will - fail if c is -1, and may fail if a character has been pushed but not read - yet. If gzungetc is used immediately after gzopen or gzdopen, at least the - output buffer size of pushed characters is allowed. (See gzbuffer above.) - The pushed character will be discarded if the stream is repositioned with - gzseek() or gzrewind(). -*/ - -ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush)); -/* - Flushes all pending output into the compressed file. The parameter flush - is as in the deflate() function. The return value is the zlib error number - (see function gzerror below). gzflush is only permitted when writing. - - If the flush parameter is Z_FINISH, the remaining data is written and the - gzip stream is completed in the output. If gzwrite() is called again, a new - gzip stream will be started in the output. gzread() is able to read such - concatented gzip streams. - - gzflush should be called only when strictly necessary because it will - degrade compression if called too often. -*/ - -/* -ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file, - z_off_t offset, int whence)); - - Sets the starting position for the next gzread or gzwrite on the given - compressed file. The offset represents a number of bytes in the - uncompressed data stream. The whence parameter is defined as in lseek(2); - the value SEEK_END is not supported. - - If the file is opened for reading, this function is emulated but can be - extremely slow. If the file is opened for writing, only forward seeks are - supported; gzseek then compresses a sequence of zeroes up to the new - starting position. - - gzseek returns the resulting offset location as measured in bytes from - the beginning of the uncompressed stream, or -1 in case of error, in - particular if the file is opened for writing and the new starting position - would be before the current position. -*/ - -ZEXTERN int ZEXPORT gzrewind OF((gzFile file)); -/* - Rewinds the given file. This function is supported only for reading. - - gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET) -*/ - -/* -ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file)); - - Returns the starting position for the next gzread or gzwrite on the given - compressed file. This position represents a number of bytes in the - uncompressed data stream, and is zero when starting, even if appending or - reading a gzip stream from the middle of a file using gzdopen(). - - gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) -*/ - -/* -ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile file)); - - Returns the current offset in the file being read or written. This offset - includes the count of bytes that precede the gzip stream, for example when - appending or when using gzdopen() for reading. When reading, the offset - does not include as yet unused buffered input. This information can be used - for a progress indicator. On error, gzoffset() returns -1. -*/ - -ZEXTERN int ZEXPORT gzeof OF((gzFile file)); -/* - Returns true (1) if the end-of-file indicator has been set while reading, - false (0) otherwise. Note that the end-of-file indicator is set only if the - read tried to go past the end of the input, but came up short. Therefore, - just like feof(), gzeof() may return false even if there is no more data to - read, in the event that the last read request was for the exact number of - bytes remaining in the input file. This will happen if the input file size - is an exact multiple of the buffer size. - - If gzeof() returns true, then the read functions will return no more data, - unless the end-of-file indicator is reset by gzclearerr() and the input file - has grown since the previous end of file was detected. -*/ - -ZEXTERN int ZEXPORT gzdirect OF((gzFile file)); -/* - Returns true (1) if file is being copied directly while reading, or false - (0) if file is a gzip stream being decompressed. This state can change from - false to true while reading the input file if the end of a gzip stream is - reached, but is followed by data that is not another gzip stream. - - If the input file is empty, gzdirect() will return true, since the input - does not contain a gzip stream. - - If gzdirect() is used immediately after gzopen() or gzdopen() it will - cause buffers to be allocated to allow reading the file to determine if it - is a gzip file. Therefore if gzbuffer() is used, it should be called before - gzdirect(). -*/ - -ZEXTERN int ZEXPORT gzclose OF((gzFile file)); -/* - Flushes all pending output if necessary, closes the compressed file and - deallocates the (de)compression state. Note that once file is closed, you - cannot call gzerror with file, since its structures have been deallocated. - gzclose must not be called more than once on the same file, just as free - must not be called more than once on the same allocation. - - gzclose will return Z_STREAM_ERROR if file is not valid, Z_ERRNO on a - file operation error, or Z_OK on success. -*/ - -ZEXTERN int ZEXPORT gzclose_r OF((gzFile file)); -ZEXTERN int ZEXPORT gzclose_w OF((gzFile file)); -/* - Same as gzclose(), but gzclose_r() is only for use when reading, and - gzclose_w() is only for use when writing or appending. The advantage to - using these instead of gzclose() is that they avoid linking in zlib - compression or decompression code that is not used when only reading or only - writing respectively. If gzclose() is used, then both compression and - decompression code will be included the application when linking to a static - zlib library. -*/ - -ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum)); -/* - Returns the error message for the last error which occurred on the given - compressed file. errnum is set to zlib error number. If an error occurred - in the file system and not in the compression library, errnum is set to - Z_ERRNO and the application may consult errno to get the exact error code. - - The application must not modify the returned string. Future calls to - this function may invalidate the previously returned string. If file is - closed, then the string previously returned by gzerror will no longer be - available. - - gzerror() should be used to distinguish errors from end-of-file for those - functions above that do not distinguish those cases in their return values. -*/ - -ZEXTERN void ZEXPORT gzclearerr OF((gzFile file)); -/* - Clears the error and end-of-file flags for file. This is analogous to the - clearerr() function in stdio. This is useful for continuing to read a gzip - file that is being written concurrently. -*/ - - - /* checksum functions */ - -/* - These functions are not related to compression but are exported - anyway because they might be useful in applications using the compression - library. -*/ - -ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); -/* - Update a running Adler-32 checksum with the bytes buf[0..len-1] and - return the updated checksum. If buf is Z_NULL, this function returns the - required initial value for the checksum. - - An Adler-32 checksum is almost as reliable as a CRC32 but can be computed - much faster. - - Usage example: - - uLong adler = adler32(0L, Z_NULL, 0); - - while (read_buffer(buffer, length) != EOF) { - adler = adler32(adler, buffer, length); - } - if (adler != original_adler) error(); -*/ - -/* -ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, - z_off_t len2)); - - Combine two Adler-32 checksums into one. For two sequences of bytes, seq1 - and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for - each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of - seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. -*/ - -ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); -/* - Update a running CRC-32 with the bytes buf[0..len-1] and return the - updated CRC-32. If buf is Z_NULL, this function returns the required - initial value for the for the crc. Pre- and post-conditioning (one's - complement) is performed within this function so it shouldn't be done by the - application. - - Usage example: - - uLong crc = crc32(0L, Z_NULL, 0); - - while (read_buffer(buffer, length) != EOF) { - crc = crc32(crc, buffer, length); - } - if (crc != original_crc) error(); -*/ - -/* -ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2)); - - Combine two CRC-32 check values into one. For two sequences of bytes, - seq1 and seq2 with lengths len1 and len2, CRC-32 check values were - calculated for each, crc1 and crc2. crc32_combine() returns the CRC-32 - check value of seq1 and seq2 concatenated, requiring only crc1, crc2, and - len2. -*/ - - - /* various hacks, don't look :) */ - -/* deflateInit and inflateInit are macros to allow checking the zlib version - * and the compiler's view of z_stream: - */ -ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level, - const char *version, int stream_size)); -ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm, - const char *version, int stream_size)); -ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method, - int windowBits, int memLevel, - int strategy, const char *version, - int stream_size)); -ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits, - const char *version, int stream_size)); -ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, - unsigned char FAR *window, - const char *version, - int stream_size)); -#define deflateInit(strm, level) \ - deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream)) -#define inflateInit(strm) \ - inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream)) -#define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ - deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ - (strategy), ZLIB_VERSION, sizeof(z_stream)) -#define inflateInit2(strm, windowBits) \ - inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream)) -#define inflateBackInit(strm, windowBits, window) \ - inflateBackInit_((strm), (windowBits), (window), \ - ZLIB_VERSION, sizeof(z_stream)) - -/* provide 64-bit offset functions if _LARGEFILE64_SOURCE defined, and/or - * change the regular functions to 64 bits if _FILE_OFFSET_BITS is 64 (if - * both are true, the application gets the *64 functions, and the regular - * functions are changed to 64 bits) -- in case these are set on systems - * without large file support, _LFS64_LARGEFILE must also be true - */ -#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 - ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); - ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int)); - ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile)); - ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); - ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off64_t)); - ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off64_t)); -#endif - -#if !defined(ZLIB_INTERNAL) && _FILE_OFFSET_BITS-0 == 64 && _LFS64_LARGEFILE-0 -# define gzopen gzopen64 -# define gzseek gzseek64 -# define gztell gztell64 -# define gzoffset gzoffset64 -# define adler32_combine adler32_combine64 -# define crc32_combine crc32_combine64 -# ifdef _LARGEFILE64_SOURCE - ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); - ZEXTERN z_off_t ZEXPORT gzseek64 OF((gzFile, z_off_t, int)); - ZEXTERN z_off_t ZEXPORT gztell64 OF((gzFile)); - ZEXTERN z_off_t ZEXPORT gzoffset64 OF((gzFile)); - ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); - ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); -# endif -#else - ZEXTERN gzFile ZEXPORT gzopen OF((const char *, const char *)); - ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile, z_off_t, int)); - ZEXTERN z_off_t ZEXPORT gztell OF((gzFile)); - ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile)); - ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t)); - ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t)); -#endif - -/* hack for buggy compilers */ -#if !defined(ZUTIL_H) && !defined(NO_DUMMY_DECL) - struct internal_state {int dummy;}; -#endif - -/* undocumented functions */ -ZEXTERN const char * ZEXPORT zError OF((int)); -ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp)); -ZEXTERN const uLongf * ZEXPORT get_crc_table OF((void)); -ZEXTERN int ZEXPORT inflateUndermine OF((z_streamp, int)); - -#ifdef __cplusplus -} -#endif - -#endif /* ZLIB_H */ diff --git a/common/zlib/zutil.c b/common/zlib/zutil.c deleted file mode 100644 index 898ed345..00000000 --- a/common/zlib/zutil.c +++ /dev/null @@ -1,318 +0,0 @@ -/* zutil.c -- target dependent utility functions for the compression library - * Copyright (C) 1995-2005, 2010 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#include "zutil.h" - -#ifndef NO_DUMMY_DECL -struct internal_state {int dummy;}; /* for buggy compilers */ -#endif - -const char * const z_errmsg[10] = { -"need dictionary", /* Z_NEED_DICT 2 */ -"stream end", /* Z_STREAM_END 1 */ -"", /* Z_OK 0 */ -"file error", /* Z_ERRNO (-1) */ -"stream error", /* Z_STREAM_ERROR (-2) */ -"data error", /* Z_DATA_ERROR (-3) */ -"insufficient memory", /* Z_MEM_ERROR (-4) */ -"buffer error", /* Z_BUF_ERROR (-5) */ -"incompatible version",/* Z_VERSION_ERROR (-6) */ -""}; - - -const char * ZEXPORT zlibVersion() -{ - return ZLIB_VERSION; -} - -uLong ZEXPORT zlibCompileFlags() -{ - uLong flags; - - flags = 0; - switch ((int)(sizeof(uInt))) { - case 2: break; - case 4: flags += 1; break; - case 8: flags += 2; break; - default: flags += 3; - } - switch ((int)(sizeof(uLong))) { - case 2: break; - case 4: flags += 1 << 2; break; - case 8: flags += 2 << 2; break; - default: flags += 3 << 2; - } - switch ((int)(sizeof(voidpf))) { - case 2: break; - case 4: flags += 1 << 4; break; - case 8: flags += 2 << 4; break; - default: flags += 3 << 4; - } - switch ((int)(sizeof(z_off_t))) { - case 2: break; - case 4: flags += 1 << 6; break; - case 8: flags += 2 << 6; break; - default: flags += 3 << 6; - } -#ifdef DEBUG - flags += 1 << 8; -#endif -#if defined(ASMV) || defined(ASMINF) - flags += 1 << 9; -#endif -#ifdef ZLIB_WINAPI - flags += 1 << 10; -#endif -#ifdef BUILDFIXED - flags += 1 << 12; -#endif -#ifdef DYNAMIC_CRC_TABLE - flags += 1 << 13; -#endif -#ifdef NO_GZCOMPRESS - flags += 1L << 16; -#endif -#ifdef NO_GZIP - flags += 1L << 17; -#endif -#ifdef PKZIP_BUG_WORKAROUND - flags += 1L << 20; -#endif -#ifdef FASTEST - flags += 1L << 21; -#endif -#ifdef STDC -# ifdef NO_vsnprintf - flags += 1L << 25; -# ifdef HAS_vsprintf_void - flags += 1L << 26; -# endif -# else -# ifdef HAS_vsnprintf_void - flags += 1L << 26; -# endif -# endif -#else - flags += 1L << 24; -# ifdef NO_snprintf - flags += 1L << 25; -# ifdef HAS_sprintf_void - flags += 1L << 26; -# endif -# else -# ifdef HAS_snprintf_void - flags += 1L << 26; -# endif -# endif -#endif - return flags; -} - -#ifdef DEBUG - -# ifndef verbose -# define verbose 0 -# endif -int ZLIB_INTERNAL z_verbose = verbose; - -void ZLIB_INTERNAL z_error (m) - char *m; -{ - fprintf(stderr, "%s\n", m); - exit(1); -} -#endif - -/* exported to allow conversion of error code to string for compress() and - * uncompress() - */ -const char * ZEXPORT zError(err) - int err; -{ - return ERR_MSG(err); -} - -#if defined(_WIN32_WCE) - /* The Microsoft C Run-Time Library for Windows CE doesn't have - * errno. We define it as a global variable to simplify porting. - * Its value is always 0 and should not be used. - */ - int errno = 0; -#endif - -#ifndef HAVE_MEMCPY - -void ZLIB_INTERNAL zmemcpy(dest, source, len) - Bytef* dest; - const Bytef* source; - uInt len; -{ - if (len == 0) return; - do { - *dest++ = *source++; /* ??? to be unrolled */ - } while (--len != 0); -} - -int ZLIB_INTERNAL zmemcmp(s1, s2, len) - const Bytef* s1; - const Bytef* s2; - uInt len; -{ - uInt j; - - for (j = 0; j < len; j++) { - if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1; - } - return 0; -} - -void ZLIB_INTERNAL zmemzero(dest, len) - Bytef* dest; - uInt len; -{ - if (len == 0) return; - do { - *dest++ = 0; /* ??? to be unrolled */ - } while (--len != 0); -} -#endif - - -#ifdef SYS16BIT - -#ifdef __TURBOC__ -/* Turbo C in 16-bit mode */ - -# define MY_ZCALLOC - -/* Turbo C malloc() does not allow dynamic allocation of 64K bytes - * and farmalloc(64K) returns a pointer with an offset of 8, so we - * must fix the pointer. Warning: the pointer must be put back to its - * original form in order to free it, use zcfree(). - */ - -#define MAX_PTR 10 -/* 10*64K = 640K */ - -local int next_ptr = 0; - -typedef struct ptr_table_s { - voidpf org_ptr; - voidpf new_ptr; -} ptr_table; - -local ptr_table table[MAX_PTR]; -/* This table is used to remember the original form of pointers - * to large buffers (64K). Such pointers are normalized with a zero offset. - * Since MSDOS is not a preemptive multitasking OS, this table is not - * protected from concurrent access. This hack doesn't work anyway on - * a protected system like OS/2. Use Microsoft C instead. - */ - -voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size) -{ - voidpf buf = opaque; /* just to make some compilers happy */ - ulg bsize = (ulg)items*size; - - /* If we allocate less than 65520 bytes, we assume that farmalloc - * will return a usable pointer which doesn't have to be normalized. - */ - if (bsize < 65520L) { - buf = farmalloc(bsize); - if (*(ush*)&buf != 0) return buf; - } else { - buf = farmalloc(bsize + 16L); - } - if (buf == NULL || next_ptr >= MAX_PTR) return NULL; - table[next_ptr].org_ptr = buf; - - /* Normalize the pointer to seg:0 */ - *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4; - *(ush*)&buf = 0; - table[next_ptr++].new_ptr = buf; - return buf; -} - -void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr) -{ - int n; - if (*(ush*)&ptr != 0) { /* object < 64K */ - farfree(ptr); - return; - } - /* Find the original pointer */ - for (n = 0; n < next_ptr; n++) { - if (ptr != table[n].new_ptr) continue; - - farfree(table[n].org_ptr); - while (++n < next_ptr) { - table[n-1] = table[n]; - } - next_ptr--; - return; - } - ptr = opaque; /* just to make some compilers happy */ - Assert(0, "zcfree: ptr not found"); -} - -#endif /* __TURBOC__ */ - - -#ifdef M_I86 -/* Microsoft C in 16-bit mode */ - -# define MY_ZCALLOC - -#if (!defined(_MSC_VER) || (_MSC_VER <= 600)) -# define _halloc halloc -# define _hfree hfree -#endif - -voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, uInt items, uInt size) -{ - if (opaque) opaque = 0; /* to make compiler happy */ - return _halloc((long)items, size); -} - -void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr) -{ - if (opaque) opaque = 0; /* to make compiler happy */ - _hfree(ptr); -} - -#endif /* M_I86 */ - -#endif /* SYS16BIT */ - - -#ifndef MY_ZCALLOC /* Any system without a special alloc function */ - -#ifndef STDC -extern voidp malloc OF((uInt size)); -extern voidp calloc OF((uInt items, uInt size)); -extern void free OF((voidpf ptr)); -#endif - -voidpf ZLIB_INTERNAL zcalloc (opaque, items, size) - voidpf opaque; - unsigned items; - unsigned size; -{ - if (opaque) items += size - size; /* make compiler happy */ - return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : - (voidpf)calloc(items, size); -} - -void ZLIB_INTERNAL zcfree (opaque, ptr) - voidpf opaque; - voidpf ptr; -{ - free(ptr); - if (opaque) return; /* make compiler happy */ -} - -#endif /* MY_ZCALLOC */ diff --git a/common/zlib/zutil.h b/common/zlib/zutil.h deleted file mode 100644 index 258fa887..00000000 --- a/common/zlib/zutil.h +++ /dev/null @@ -1,274 +0,0 @@ -/* zutil.h -- internal interface and configuration of the compression library - * Copyright (C) 1995-2010 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is - part of the implementation of the compression library and is - subject to change. Applications should only use zlib.h. - */ - -/* @(#) $Id$ */ - -#ifndef ZUTIL_H -#define ZUTIL_H - -#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) -# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) -#else -# define ZLIB_INTERNAL -#endif - -#include "zlib.h" - -#ifdef STDC -# if !(defined(_WIN32_WCE) && defined(_MSC_VER)) -# include <stddef.h> -# endif -# include <string.h> -# include <stdlib.h> -#endif - -#ifndef local -# define local static -#endif -/* compile with -Dlocal if your debugger can't find static symbols */ - -typedef unsigned char uch; -typedef uch FAR uchf; -typedef unsigned short ush; -typedef ush FAR ushf; -typedef unsigned long ulg; - -extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ -/* (size given to avoid silly warnings with Visual C++) */ - -#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] - -#define ERR_RETURN(strm,err) \ - return (strm->msg = (char*)ERR_MSG(err), (err)) -/* To be used only when the state is known to be valid */ - - /* common constants */ - -#ifndef DEF_WBITS -# define DEF_WBITS MAX_WBITS -#endif -/* default windowBits for decompression. MAX_WBITS is for compression only */ - -#if MAX_MEM_LEVEL >= 8 -# define DEF_MEM_LEVEL 8 -#else -# define DEF_MEM_LEVEL MAX_MEM_LEVEL -#endif -/* default memLevel */ - -#define STORED_BLOCK 0 -#define STATIC_TREES 1 -#define DYN_TREES 2 -/* The three kinds of block type */ - -#define MIN_MATCH 3 -#define MAX_MATCH 258 -/* The minimum and maximum match lengths */ - -#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ - - /* target dependencies */ - -#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) -# define OS_CODE 0x00 -# if defined(__TURBOC__) || defined(__BORLANDC__) -# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) - /* Allow compilation with ANSI keywords only enabled */ - void _Cdecl farfree( void *block ); - void *_Cdecl farmalloc( unsigned long nbytes ); -# else -# include <alloc.h> -# endif -# else /* MSC or DJGPP */ -# include <malloc.h> -# endif -#endif - -#ifdef AMIGA -# define OS_CODE 0x01 -#endif - -#if defined(VAXC) || defined(VMS) -# define OS_CODE 0x02 -# define F_OPEN(name, mode) \ - fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") -#endif - -#if defined(ATARI) || defined(atarist) -# define OS_CODE 0x05 -#endif - -#ifdef OS2 -# define OS_CODE 0x06 -# ifdef M_I86 -# include <malloc.h> -# endif -#endif - -#if defined(MACOS) || defined(TARGET_OS_MAC) -# define OS_CODE 0x07 -# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os -# include <unix.h> /* for fdopen */ -# else -# ifndef fdopen -# define fdopen(fd,mode) NULL /* No fdopen() */ -# endif -# endif -#endif - -#ifdef TOPS20 -# define OS_CODE 0x0a -#endif - -#ifdef WIN32 -# ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */ -# define OS_CODE 0x0b -# endif -#endif - -#ifdef __50SERIES /* Prime/PRIMOS */ -# define OS_CODE 0x0f -#endif - -#if defined(_BEOS_) || defined(RISCOS) -# define fdopen(fd,mode) NULL /* No fdopen() */ -#endif - -#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX -# if defined(_WIN32_WCE) -# define fdopen(fd,mode) NULL /* No fdopen() */ -# ifndef _PTRDIFF_T_DEFINED - typedef int ptrdiff_t; -# define _PTRDIFF_T_DEFINED -# endif -# else -# define fdopen(fd,type) _fdopen(fd,type) -# endif -#endif - -#if defined(__BORLANDC__) - #pragma warn -8004 - #pragma warn -8008 - #pragma warn -8066 -#endif - -/* provide prototypes for these when building zlib without LFS */ -#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0 - ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); - ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); -#endif - - /* common defaults */ - -#ifndef OS_CODE -# define OS_CODE 0x03 /* assume Unix */ -#endif - -#ifndef F_OPEN -# define F_OPEN(name, mode) fopen((name), (mode)) -#endif - - /* functions */ - -#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) -# ifndef HAVE_VSNPRINTF -# define HAVE_VSNPRINTF -# endif -#endif -#if defined(__CYGWIN__) -# ifndef HAVE_VSNPRINTF -# define HAVE_VSNPRINTF -# endif -#endif -#ifndef HAVE_VSNPRINTF -# ifdef MSDOS - /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), - but for now we just assume it doesn't. */ -# define NO_vsnprintf -# endif -# ifdef __TURBOC__ -# define NO_vsnprintf -# endif -# ifdef WIN32 - /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ -# if !defined(vsnprintf) && !defined(NO_vsnprintf) -# if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 ) -# define vsnprintf _vsnprintf -# endif -# endif -# endif -# ifdef __SASC -# define NO_vsnprintf -# endif -#endif -#ifdef VMS -# define NO_vsnprintf -#endif - -#if defined(pyr) -# define NO_MEMCPY -#endif -#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) - /* Use our own functions for small and medium model with MSC <= 5.0. - * You may have to use the same strategy for Borland C (untested). - * The __SC__ check is for Symantec. - */ -# define NO_MEMCPY -#endif -#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) -# define HAVE_MEMCPY -#endif -#ifdef HAVE_MEMCPY -# ifdef SMALL_MEDIUM /* MSDOS small or medium model */ -# define zmemcpy _fmemcpy -# define zmemcmp _fmemcmp -# define zmemzero(dest, len) _fmemset(dest, 0, len) -# else -# define zmemcpy memcpy -# define zmemcmp memcmp -# define zmemzero(dest, len) memset(dest, 0, len) -# endif -#else - void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); - int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); - void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len)); -#endif - -/* Diagnostic functions */ -#ifdef DEBUG -# include <stdio.h> - extern int ZLIB_INTERNAL z_verbose; - extern void ZLIB_INTERNAL z_error OF((char *m)); -# define Assert(cond,msg) {if(!(cond)) z_error(msg);} -# define Trace(x) {if (z_verbose>=0) fprintf x ;} -# define Tracev(x) {if (z_verbose>0) fprintf x ;} -# define Tracevv(x) {if (z_verbose>1) fprintf x ;} -# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} -# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} -#else -# define Assert(cond,msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c,x) -# define Tracecv(c,x) -#endif - - -voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, - unsigned size)); -void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); - -#define ZALLOC(strm, items, size) \ - (*((strm)->zalloc))((strm)->opaque, (items), (size)) -#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) -#define TRY_FREE(s, p) {if (p) ZFREE(s, p);} - -#endif /* ZUTIL_H */ diff --git a/config.h.in b/config.h.in index 490d7f6d..fb697fa7 100644 --- a/config.h.in +++ b/config.h.in @@ -4,22 +4,6 @@ #cmakedefine HAVE_INET_ATON #cmakedefine HAVE_INET_PTON #cmakedefine HAVE_GETADDRINFO -#cmakedefine HAVE_GNUTLS_SET_GLOBAL_ERRNO -#cmakedefine HAVE_GNUTLS_SET_ERRNO -#cmakedefine HAVE_GNUTLS_X509_CRT_PRINT -#cmakedefine HAVE_GNUTLS_X509_CRT_T -#cmakedefine HAVE_GNUTLS_DATUM_T -#cmakedefine HAVE_GNUTLS_PK_ALGORITHM_T -#cmakedefine HAVE_GNUTLS_SIGN_ALGORITHM_T -#cmakedefine HAVE_FLTK_CLIPBOARD -#cmakedefine HAVE_FLTK_MEDIAKEYS -#cmakedefine HAVE_FLTK_FULLSCREEN -#cmakedefine HAVE_FLTK_FULLSCREEN_SCREENS -#cmakedefine HAVE_FLTK_CURSOR -#cmakedefine HAVE_FLTK_WORK_AREA -#cmakedefine HAVE_FLTK_ICONS -#cmakedefine HAVE_FLTK_XHANDLERS -#cmakedefine HAVE_FLTK_IM #cmakedefine HAVE_ACTIVE_DESKTOP_H #cmakedefine HAVE_ACTIVE_DESKTOP_L #cmakedefine ENABLE_NLS 1 diff --git a/contrib/packages/rpm/el5/SPECS/tigervnc.spec b/contrib/packages/rpm/el5/SPECS/tigervnc.spec index 4bf12620..93c2a78a 100644 --- a/contrib/packages/rpm/el5/SPECS/tigervnc.spec +++ b/contrib/packages/rpm/el5/SPECS/tigervnc.spec @@ -741,7 +741,6 @@ export CXXFLAGS=`echo $CXXFLAGS | sed -e 's/ -c //g'` -DFLTK_INCLUDE_DIR=%{xorg_buildroot}%{_includedir} \ -DBUILD_STATIC=1 \ -DCMAKE_BUILD_TYPE=Release \ - -DUSE_INCLUDED_ZLIB=0 \ -DZLIB_INCLUDE_DIR=%{_includedir} \ -DZLIB_LIBRARY=%{_libdir}/libz.a \ -DCMAKE_INSTALL_PREFIX=%{_prefix} diff --git a/unix/build-xorg b/contrib/xorg/build-xorg index 2908e489..a847292e 100755 --- a/unix/build-xorg +++ b/contrib/xorg/build-xorg @@ -9,7 +9,7 @@ set -e PREFIX= MAKE="make" PARALLEL_MAKE=0 -XORG_VERSION=7.4 +XORG_VERSION=7.5 XONLY=0 CFGHOST= SRCDIR=`dirname $0`/.. @@ -55,9 +55,6 @@ modules="dri2proto \ libpciaccess \ pixman" -modules74="fontcacheproto \ - evieext" - init() { update_modules @@ -72,12 +69,8 @@ init() pushd xserver - if [ "$XORG_VERSION" = "7.4" ]; then - patch -p1 < $SRCDIR/unix/xserver16.patch - else patch -p1 < $SRCDIR/unix/xserver18.patch - fi - for all in `find $SRCDIR/unix/xorg-$XORG_VERSION-patches/ -type f |grep '.*\.patch$'`; do + for all in `find $SRCDIR/contrib/xorg/xorg-$XORG_VERSION-patches/ -type f |grep '.*\.patch$'`; do echo Applying $all patch -p1 < $all done @@ -93,7 +86,7 @@ update_modules() if [ -d xorg.build ]; then rm -rf xorg.build; fi mkdir xorg pushd xorg - $SRCDIR/unix/download-xorg-$XORG_VERSION + $SRCDIR/contrib/xorg/download-xorg-$XORG_VERSION for module in ${modules}; do tar jxf ~/.tigervnc-xorg-$XORG_VERSION/${module}.tar.bz2 done @@ -117,7 +110,7 @@ build () # Build VNC echo "*** Building VNC ***" - cmake -G"Unix Makefiles" ${1+"$@"} -DUSE_INCLUDED_ZLIB=1 -DBUILD_STATIC=1 $SRCDIR + cmake -G"Unix Makefiles" ${1+"$@"} -DBUILD_STATIC=1 $SRCDIR $MAKE # Build Xorg @@ -244,7 +237,6 @@ do xbuild) MODE=build; XONLY=1 ;; rebuild) MODE=rebuild ;; update) MODE=update ;; - -version) XORG_VERSION=$2; shift ;; -parallel) PARALLEL_MAKE=1; ;; -srcdir) SRCDIR=$2; shift ;; *) break ;; @@ -252,12 +244,6 @@ do shift done -case "$XORG_VERSION" in - 7.4) modules=$modules" "$modules74 ;; - 7.5) ;; - *) if [ ! "$MODE" = "rebuild" ]; then usage; fi ;; -esac - pushd $SRCDIR SRCDIR=`pwd` echo "*** Using TigerVNC source tree at $SRCDIR ***" diff --git a/unix/download-xorg-7.5 b/contrib/xorg/download-xorg-7.5 index 1b802a2b..1b802a2b 100755 --- a/unix/download-xorg-7.5 +++ b/contrib/xorg/download-xorg-7.5 diff --git a/unix/xorg-7.5-patches/0001-Add-dridir-param.patch b/contrib/xorg/xorg-7.5-patches/0001-Add-dridir-param.patch index c72078f3..c72078f3 100644 --- a/unix/xorg-7.5-patches/0001-Add-dridir-param.patch +++ b/contrib/xorg/xorg-7.5-patches/0001-Add-dridir-param.patch diff --git a/unix/xorg-7.5-patches/0001-Add-xkbcompdir-param.patch b/contrib/xorg/xorg-7.5-patches/0001-Add-xkbcompdir-param.patch index f7f358b4..f7f358b4 100644 --- a/unix/xorg-7.5-patches/0001-Add-xkbcompdir-param.patch +++ b/contrib/xorg/xorg-7.5-patches/0001-Add-xkbcompdir-param.patch diff --git a/unix/download-xorg-7.4 b/unix/download-xorg-7.4 deleted file mode 100755 index be615077..00000000 --- a/unix/download-xorg-7.4 +++ /dev/null @@ -1,84 +0,0 @@ -#!/usr/bin/env python -# -*-mode: python; coding: UTF-8 -*- - -import os -import glob - -#INDI = "http://ftp.sunet.se/pub/X11/ftp.x.org/individual" -INDI = "http://ftp.x.org/pub/individual/" -PROTO = INDI + "proto/" -LIB = INDI + "lib/" -SERVER = INDI + "xserver/" -UTIL = INDI + "util/" -DATA = INDI + "data/" -APP = INDI + "app/" - -packages = { - "damageproto": PROTO + "damageproto-1.1.0.tar.bz2", - "fixesproto": PROTO + "fixesproto-4.0.tar.bz2", - "resourceproto": PROTO + "resourceproto-1.0.2.tar.bz2", - "fontsproto": PROTO + "fontsproto-2.0.2.tar.bz2", - "fontcacheproto" : PROTO + "fontcacheproto-0.1.2.tar.bz2", - "bigreqsproto": PROTO + "bigreqsproto-1.0.2.tar.bz2", - "kbproto": PROTO + "kbproto-1.0.3.tar.bz2", - "inputproto": PROTO + "inputproto-1.5.1.tar.bz2", - "glproto": PROTO + "glproto-1.4.9.tar.bz2", - "xineramaproto": PROTO + "xineramaproto-1.1.2.tar.bz2", - "randrproto": PROTO + "randrproto-1.3.2.tar.bz2", - "scrnsaverproto": PROTO + "scrnsaverproto-1.1.0.tar.bz2", - "renderproto": PROTO + "renderproto-0.9.3.tar.bz2", - "evieext": PROTO + "evieext-1.0.2.tar.bz2", - "xcmiscproto": PROTO + "xcmiscproto-1.1.2.tar.bz2", - "xextproto": PROTO + "xextproto-7.0.3.tar.bz2", - "xf86driproto": PROTO + "xf86driproto-2.0.4.tar.bz2", - "dri2proto": PROTO + "dri2proto-2.1.tar.bz2", - "compositeproto": PROTO + "compositeproto-0.4.tar.bz2", - "xf86vidmodeproto": PROTO + "xf86vidmodeproto-2.2.2.tar.bz2", - "videoproto": PROTO + "videoproto-2.2.2.tar.bz2", - "xproto": PROTO + "xproto-7.0.13.tar.bz2", - - "libxkbfile": LIB + "libxkbfile-1.0.5.tar.bz2", - "libXxf86vm": LIB + "libXxf86vm-1.0.2.tar.bz2", - "libXext": LIB + "libXext-1.0.4.tar.bz2", - "libfontenc": LIB + "libfontenc-1.0.4.tar.bz2", - "libXau": LIB + "libXau-1.0.4.tar.bz2", - "libXfont": LIB + "libXfont-1.3.4.tar.bz2", - "libXfixes": LIB + "libXfixes-4.0.3.tar.bz2", - "libSM": LIB + "libSM-1.1.0.tar.bz2", - "libXi": LIB + "libXi-1.1.3.tar.bz2", - "libXmu": LIB + "libXmu-1.0.4.tar.bz2", - "libX11": LIB + "libX11-1.1.5.tar.bz2", - "libXdmcp": LIB + "libXdmcp-1.0.2.tar.bz2", - "xtrans": LIB + "xtrans-1.2.2.tar.bz2", - "libXt": LIB + "libXt-1.0.5.tar.bz2", - "libpciaccess": LIB + "libpciaccess-0.10.4.tar.bz2", - "libICE": LIB + "libICE-1.0.4.tar.bz2", - "pixman": LIB + "pixman-0.16.0.tar.bz2", - "libXdamage": LIB + "libXdamage-1.1.1.tar.bz2", - - "util-macros": UTIL + "util-macros-1.1.6.tar.bz2", - "xorg-server": SERVER + "xorg-server-1.6.5.tar.bz2", - - "libdrm": "http://dri.freedesktop.org/libdrm/libdrm-2.4.0.tar.bz2", - "Mesa": "http://downloads.sourceforge.net/mesa3d/MesaLib-7.2.tar.bz2", - "libpthread-stubs": "http://xcb.freedesktop.org/dist/libpthread-stubs-0.1.tar.bz2", - "freetype": "http://downloads.sourceforge.net/freetype/freetype-2.3.11.tar.bz2", - } - - - -def main(): - dir = os.path.expanduser("~")+"/.tigervnc-xorg-7.4" - cwd = os.getcwd() - if not os.path.exists(dir): - os.mkdir(dir) - os.chdir(dir) - - for pkg in packages.keys(): - loc = packages[pkg] - fname = pkg + ".tar.bz2" - if not os.path.exists(fname): - assert 0 == os.spawnvp(os.P_WAIT, "wget", ["-N", "-c", "-O", fname, loc]) - - os.chdir(cwd) -main() diff --git a/unix/xorg-7.4-patches/0001-Add-dridir-param.patch b/unix/xorg-7.4-patches/0001-Add-dridir-param.patch deleted file mode 100644 index d36994c7..00000000 --- a/unix/xorg-7.4-patches/0001-Add-dridir-param.patch +++ /dev/null @@ -1,97 +0,0 @@ -*** a/glx/glxdri.c 2011-02-16 14:00:53.000000000 -0600 ---- b/glx/glxdri.c 2011-02-16 13:56:09.000000000 -0600 -*************** -*** 838,843 **** - - -- static const char dri_driver_path[] = DRI_DRIVER_PATH; -- - static Bool - glxDRIEnterVT (int index, int flags) ---- 838,841 ---- -diff -r -C2 a/glx/glxdriswrast.c b/glx/glxdriswrast.c -*** a/glx/glxdriswrast.c 2011-02-16 14:00:53.000000000 -0600 ---- b/glx/glxdriswrast.c 2011-02-16 13:56:29.000000000 -0600 -*************** -*** 448,453 **** - } - -- static const char dri_driver_path[] = DRI_DRIVER_PATH; -- - static __GLXscreen * - __glXDRIscreenProbe(ScreenPtr pScreen) ---- 448,451 ---- -diff -r -C2 a/glx/glxext.c b/glx/glxext.c -*** a/glx/glxext.c 2011-02-16 14:00:54.000000000 -0600 ---- b/glx/glxext.c 2011-02-16 13:58:39.000000000 -0600 -*************** -*** 520,521 **** ---- 520,548 ---- - return retval; - } -+ -+ char *dri_driver_path = DRI_DRIVER_PATH; -+ -+ int GlxProcessArguments(int argc, char *argv[], int i) -+ { -+ if (strncmp(argv[i], "-dridir", 7) == 0) { -+ if (++i < argc) { -+ #if !defined(WIN32) && !defined(__CYGWIN__) -+ if (getuid() != geteuid()) { -+ LogMessage(X_WARNING, "-dridir is not available for setuid X servers\n"); -+ return -1; -+ } else -+ #endif -+ { -+ if (strlen(argv[i]) < PATH_MAX) { -+ dri_driver_path = argv[i]; -+ return 2; -+ } else { -+ LogMessage(X_ERROR, "-dridir pathname too long\n"); -+ return -1; -+ } -+ } -+ } -+ } -+ -+ return 0; -+ } -diff -r -C2 a/glx/glxserver.h b/glx/glxserver.h -*** a/glx/glxserver.h 2011-02-16 14:00:54.000000000 -0600 ---- b/glx/glxserver.h 2011-02-16 14:01:44.000000000 -0600 -*************** -*** 264,266 **** ---- 264,269 ---- - GLint alignment); - -+ extern char *dri_driver_path; -+ extern int GlxProcessArguments(int argc, char *argv[], int i); -+ - #endif /* !__GLX_server_h__ */ -Only in b/os: ._utils.c -diff -r -C2 a/os/utils.c b/os/utils.c -*** a/os/utils.c 2011-02-16 14:01:18.000000000 -0600 ---- b/os/utils.c 2011-02-16 14:04:11.000000000 -0600 -*************** -*** 159,162 **** ---- 159,163 ---- - _X_EXPORT Bool noGlxExtension = FALSE; - _X_EXPORT Bool noGlxVisualInit = FALSE; -+ extern int GlxProcessArguments(int argc, char *argv[], int i); - #endif - #ifdef SCREENSAVER -*************** -*** 854,857 **** ---- 855,866 ---- - } - #endif -+ #ifdef GLXEXT -+ else if ((skip = GlxProcessArguments(argc,argv,i)) != 0) { -+ if (skip > 0) -+ i += skip - 1; -+ else -+ UseMsg(); -+ } -+ #endif - #ifdef RLIMIT_DATA - else if ( strcmp( argv[i], "-ld") == 0) diff --git a/unix/xorg-7.4-patches/0001-Add-xkbcompdir-param.patch b/unix/xorg-7.4-patches/0001-Add-xkbcompdir-param.patch deleted file mode 100644 index d9d47d45..00000000 --- a/unix/xorg-7.4-patches/0001-Add-xkbcompdir-param.patch +++ /dev/null @@ -1,33 +0,0 @@ -Only in b/xkb: ._xkbInit.c -diff -r -C2 a/xkb/xkbInit.c b/xkb/xkbInit.c -*** a/xkb/xkbInit.c 2011-02-16 14:07:03.000000000 -0600 ---- b/xkb/xkbInit.c 2011-02-16 14:08:08.000000000 -0600 -*************** -*** 875,879 **** ---- 875,900 ---- - } - return j; -+ } else if (strncmp(argv[i], "-xkbcompdir", 11)==0) { -+ if (++i < argc) { -+ #if !defined(WIN32) && !defined(__CYGWIN__) -+ if (getuid() != geteuid()) { -+ LogMessage(X_WARNING, "-xkbdir is not available for setuid X servers\n"); -+ return -1; -+ } else -+ #endif -+ { -+ if (strlen(argv[i]) < PATH_MAX) { -+ XkbBinDirectory = argv[i]; -+ return 2; -+ } else { -+ LogMessage(X_ERROR, "-xkbcompdir pathname too long\n"); -+ return -1; -+ } -+ } -+ } else { -+ return -1; -+ } - } -+ - if ((strcmp(argv[i], "-ardelay") == 0) || - (strcmp (argv[i], "-ar1") == 0)) { /* -ardelay int */ diff --git a/unix/xserver/hw/vnc/Input.c b/unix/xserver/hw/vnc/Input.c index 88fa68e1..4c90a952 100644 --- a/unix/xserver/hw/vnc/Input.c +++ b/unix/xserver/hw/vnc/Input.c @@ -33,19 +33,11 @@ #include "inpututils.h" #endif #include "mi.h" -#if XORG >= 16 #include "exevents.h" -#endif -#if XORG == 16 -extern void -CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master); -#endif -#if XORG >= 17 #include "xkbsrv.h" #include "xkbstr.h" #include "xserver-properties.h" extern _X_EXPORT DevPrivateKey CoreDevicePrivateKey; -#endif #include <X11/keysym.h> #include <X11/Xlib.h> #include <X11/Xutil.h> @@ -53,9 +45,7 @@ extern _X_EXPORT DevPrivateKey CoreDevicePrivateKey; #define BUTTONS 7 /* Event queue is shared between all devices. */ -#if XORG == 15 -static xEvent *eventq = NULL; -#elif XORG < 111 +#if XORG < 111 static EventList *eventq = NULL; #endif @@ -67,10 +57,6 @@ static int cursorPosX, cursorPosY; static KeySym pressedKeys[256]; -#if XORG < 17 -extern void vncGetInitKeyboardMap(KeySymsPtr keysyms, CARD8 *modmap); -#endif - static int vncPointerProc(DeviceIntPtr pDevice, int onoff); static void vncKeyboardBell(int percent, DeviceIntPtr device, void * ctrl, int class); @@ -103,29 +89,6 @@ void vncInitInputDevice(void) for (i = 0;i < 256;i++) pressedKeys[i] = NoSymbol; -#if XORG < 17 - vncPointerDev = AddInputDevice( -#if XORG >= 16 - serverClient, -#endif - vncPointerProc, TRUE); - RegisterPointerDevice(vncPointerDev); - - vncKeyboardDev = AddInputDevice( -#if XORG >= 16 - serverClient, -#endif - vncKeyboardProc, TRUE); - RegisterKeyboardDevice(vncKeyboardDev); - - if (ActivateDevice(vncPointerDev) != Success || - ActivateDevice(vncKeyboardDev) != Success) - FatalError("Failed to activate TigerVNC devices\n"); - - if (!EnableDevice(vncPointerDev) || - !EnableDevice(vncKeyboardDev)) - FatalError("Failed to enable TigerVNC devices\n"); -#else /* < 17 */ ret = AllocDevicePair(serverClient, "TigerVNC", &vncPointerDev, &vncKeyboardDev, vncPointerProc, vncKeyboardProc, @@ -141,21 +104,12 @@ void vncInitInputDevice(void) if (!EnableDevice(vncPointerDev, TRUE) || !EnableDevice(vncKeyboardDev, TRUE)) FatalError("Failed to activate TigerVNC devices\n"); -#endif /* 17 */ #if XORG < 111 /* eventq is never free()-ed because it exists during server life. */ - if (eventq == NULL) { -#if XORG == 15 - eventq = (xEvent *)xcalloc(sizeof(xEvent), - GetMaximumEventsNum()); - if (!eventq) - FatalError("Couldn't allocate eventq\n"); -#else + if (eventq == NULL) GetEventList(&eventq); #endif - } -#endif vncPrepareInputDevices(); } @@ -250,15 +204,7 @@ static void enqueueEvents(DeviceIntPtr dev, int n) * good programming practise but in this case it is safe and * clear. */ - mieqEnqueue(dev, -#if XORG == 15 - eventq + i -#elif XORG == 16 - (eventq + i)->event -#else - (InternalEvent *) (eventq + i)->event -#endif - ); + mieqEnqueue(dev, (InternalEvent *) (eventq + i)->event); } } #endif /* XORG < 111 */ @@ -268,21 +214,18 @@ static int vncPointerProc(DeviceIntPtr pDevice, int onoff) BYTE map[BUTTONS + 1]; DevicePtr pDev = (DevicePtr)pDevice; int i; -#if XORG >= 17 /* * NOTE: map[] array is one element longer than btn_labels[] array. This * is not a bug. */ Atom btn_labels[BUTTONS]; Atom axes_labels[2]; -#endif switch (onoff) { case DEVICE_INIT: for (i = 0; i < BUTTONS + 1; i++) map[i] = i; -#if XORG >= 17 btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); @@ -293,20 +236,11 @@ static int vncPointerProc(DeviceIntPtr pDevice, int onoff) axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); -#endif - InitPointerDeviceStruct(pDev, map, BUTTONS, -#if XORG == 15 - GetMotionHistory, -#elif XORG >= 17 - btn_labels, -#endif + InitPointerDeviceStruct(pDev, map, BUTTONS, btn_labels, (PtrCtrlProcPtr)NoopDDA, - GetMotionHistorySize(), 2 -#if XORG >= 17 - , axes_labels -#endif - ); + GetMotionHistorySize(), + 2, axes_labels); break; case DEVICE_ON: pDev->on = TRUE; @@ -331,24 +265,11 @@ static void vncKeyboardBell(int percent, DeviceIntPtr device, static int vncKeyboardProc(DeviceIntPtr pDevice, int onoff) { -#if XORG < 17 - KeySymsRec keySyms; - CARD8 modMap[MAP_LENGTH]; -#endif DevicePtr pDev = (DevicePtr)pDevice; switch (onoff) { case DEVICE_INIT: -#if XORG < 17 - vncGetInitKeyboardMap(&keySyms, modMap); -#endif - InitKeyboardDeviceStruct( -#if XORG >= 17 - pDevice, NULL, -#else - pDev, &keySyms, modMap, -#endif - vncKeyboardBell, + InitKeyboardDeviceStruct(pDevice, NULL, vncKeyboardBell, (KbdCtrlProcPtr)NoopDDA); break; case DEVICE_ON: diff --git a/unix/xserver/hw/vnc/InputCore.c b/unix/xserver/hw/vnc/InputCore.c deleted file mode 100644 index 04677665..00000000 --- a/unix/xserver/hw/vnc/InputCore.c +++ /dev/null @@ -1,596 +0,0 @@ -/* Copyright (C) 2009 TightVNC Team - * Copyright (C) 2009 Red Hat, Inc. - * Copyright 2013-2015 Pierre Ossman for Cendio AB - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "Input.h" -#include "xorg-version.h" - -#include "inputstr.h" -#ifndef XKB_IN_SERVER -#define XKB_IN_SERVER -#endif -#ifdef XKB -/* - * This include is needed to use XkbConvertCase instead of XConvertCase even if - * we don't use XKB extension. - */ -#include <xkbsrv.h> -#endif -/* These defines give us access to all keysyms we need */ -#define XK_PUBLISHING -#define XK_TECHNICAL -#include <X11/keysym.h> -#include <X11/XF86keysym.h> -#include <X11/Xlib.h> -#include <X11/Xutil.h> - -extern DeviceIntPtr vncKeyboardDev; - -#if XORG < 17 - -#define IS_PRESSED(dev, keycode) \ - ((dev)->key->down[(keycode) >> 3] & (1 << ((keycode) & 7))) - -/* Fairly standard US PC Keyboard */ - -#define MIN_KEY 8 -#define MAX_KEY 255 -#define MAP_LEN (MAX_KEY - MIN_KEY + 1) -#define KEYSYMS_PER_KEY 2 -static KeySym keyboardMap[MAP_LEN * KEYSYMS_PER_KEY] = { - NoSymbol, NoSymbol, - XK_Escape, NoSymbol, - XK_1, XK_exclam, - XK_2, XK_at, - XK_3, XK_numbersign, - XK_4, XK_dollar, - XK_5, XK_percent, - XK_6, XK_asciicircum, - XK_7, XK_ampersand, - XK_8, XK_asterisk, - XK_9, XK_parenleft, - XK_0, XK_parenright, - XK_minus, XK_underscore, - XK_equal, XK_plus, - XK_BackSpace, NoSymbol, - XK_Tab, NoSymbol, - XK_q, XK_Q, - XK_w, XK_W, - XK_e, XK_E, - XK_r, XK_R, - XK_t, XK_T, - XK_y, XK_Y, - XK_u, XK_U, - XK_i, XK_I, - XK_o, XK_O, - XK_p, XK_P, - XK_bracketleft, XK_braceleft, - XK_bracketright, XK_braceright, - XK_Return, NoSymbol, - XK_Control_L, NoSymbol, - XK_a, XK_A, - XK_s, XK_S, - XK_d, XK_D, - XK_f, XK_F, - XK_g, XK_G, - XK_h, XK_H, - XK_j, XK_J, - XK_k, XK_K, - XK_l, XK_L, - XK_semicolon, XK_colon, - XK_apostrophe, XK_quotedbl, - XK_grave, XK_asciitilde, - XK_Shift_L, NoSymbol, - XK_backslash, XK_bar, - XK_z, XK_Z, - XK_x, XK_X, - XK_c, XK_C, - XK_v, XK_V, - XK_b, XK_B, - XK_n, XK_N, - XK_m, XK_M, - XK_comma, XK_less, - XK_period, XK_greater, - XK_slash, XK_question, - XK_Shift_R, NoSymbol, - XK_KP_Multiply, NoSymbol, - XK_Alt_L, XK_Meta_L, - XK_space, NoSymbol, - XK_Caps_Lock, NoSymbol, - XK_F1, NoSymbol, - XK_F2, NoSymbol, - XK_F3, NoSymbol, - XK_F4, NoSymbol, - XK_F5, NoSymbol, - XK_F6, NoSymbol, - XK_F7, NoSymbol, - XK_F8, NoSymbol, - XK_F9, NoSymbol, - XK_F10, NoSymbol, - XK_Num_Lock, XK_Pointer_EnableKeys, - XK_Scroll_Lock, NoSymbol, - XK_KP_Home, XK_KP_7, - XK_KP_Up, XK_KP_8, - XK_KP_Prior, XK_KP_9, - XK_KP_Subtract, NoSymbol, - XK_KP_Left, XK_KP_4, - XK_KP_Begin, XK_KP_5, - XK_KP_Right, XK_KP_6, - XK_KP_Add, NoSymbol, - XK_KP_End, XK_KP_1, - XK_KP_Down, XK_KP_2, - XK_KP_Next, XK_KP_3, - XK_KP_Insert, XK_KP_0, - XK_KP_Delete, XK_KP_Decimal, - NoSymbol, NoSymbol, - NoSymbol, NoSymbol, - NoSymbol, NoSymbol, - XK_F11, NoSymbol, - XK_F12, NoSymbol, - XK_Home, NoSymbol, - XK_Up, NoSymbol, - XK_Prior, NoSymbol, - XK_Left, NoSymbol, - NoSymbol, NoSymbol, - XK_Right, NoSymbol, - XK_End, NoSymbol, - XK_Down, NoSymbol, - XK_Next, NoSymbol, - XK_Insert, NoSymbol, - XK_Delete, NoSymbol, - XK_KP_Enter, NoSymbol, - XK_Control_R, NoSymbol, - XK_Pause, XK_Break, - XK_Print, XK_Execute, - XK_KP_Divide, NoSymbol, - XK_Alt_R, XK_Meta_R, - NoSymbol, NoSymbol, - XK_Super_L, NoSymbol, - XK_Super_R, NoSymbol, - XK_Menu, NoSymbol, -}; - -void vncGetInitKeyboardMap(KeySymsPtr keysyms, CARD8 *modmap) -{ - int i; - - for (i = 0; i < MAP_LENGTH; i++) - modmap[i] = NoSymbol; - - for (i = 0; i < MAP_LEN; i++) { - switch (keyboardMap[i * KEYSYMS_PER_KEY]) { - case XK_Shift_L: - case XK_Shift_R: - modmap[i + MIN_KEY] = ShiftMask; - break; - case XK_Caps_Lock: - modmap[i + MIN_KEY] = LockMask; - break; - case XK_Control_L: - case XK_Control_R: - modmap[i + MIN_KEY] = ControlMask; - break; - case XK_Alt_L: - case XK_Alt_R: - modmap[i + MIN_KEY] = Mod1Mask; - break; - case XK_Num_Lock: - modmap[i + MIN_KEY] = Mod2Mask; - break; - /* No defaults for Mod3Mask yet */ - case XK_Super_L: - case XK_Super_R: - case XK_Hyper_L: - case XK_Hyper_R: - modmap[i + MIN_KEY] = Mod4Mask; - break; - case XK_ISO_Level3_Shift: - case XK_Mode_switch: - modmap[i + MIN_KEY] = Mod5Mask; - break; - } - } - - keysyms->minKeyCode = MIN_KEY; - keysyms->maxKeyCode = MAX_KEY; - keysyms->mapWidth = KEYSYMS_PER_KEY; - keysyms->map = keyboardMap; -} - -void vncPrepareInputDevices(void) -{ - /* Don't need to do anything here */ -} - -unsigned vncGetKeyboardState(void) -{ - return vncKeyboardDev->key->state; -} - -unsigned vncGetLevelThreeMask(void) -{ - int i, j, k; - - int minKeyCode, mapWidth; - KeySym *map; - - int maxKeysPerMod; - CARD8 *modmap; - - minKeyCode = vncKeyboardDev->key->curKeySyms.minKeyCode; - mapWidth = vncKeyboardDev->key->curKeySyms.mapWidth; - map = vncKeyboardDev->key->curKeySyms.map; - - maxKeysPerMod = vncKeyboardDev->key->maxKeysPerModifier; - modmap = vncKeyboardDev->key->modifierKeyMap; - - for (i = 3; i < 8; i++) { - for (k = 0; k < maxKeysPerMod; k++) { - int index = i * maxKeysPerMod + k; - int keycode = modmap[index]; - - if (keycode == 0) - continue; - - for (j = 0; j < mapWidth; j++) { - KeySym keysym; - keysym = map[(keycode - minKeyCode) * mapWidth + j]; - if (keysym == XK_Mode_switch) - return 1 << i; - } - } - } - - return 0; -} - -KeyCode vncPressShift(void) -{ - int maxKeysPerMod; - - maxKeysPerMod = vncKeyboardDev->key->maxKeysPerModifier; - return vncKeyboardDev->key->modifierKeyMap[ShiftMapIndex * maxKeysPerMod]; -} - -size_t vncReleaseShift(KeyCode *keys, size_t maxKeys) -{ - size_t count; - int maxKeysPerMod; - - count = 0; - maxKeysPerMod = vncKeyboardDev->key->maxKeysPerModifier; - for (int k = 0; k < maxKeysPerMod; k++) { - int keycode; - int index; - - index = ShiftMapIndex * maxKeysPerMod + k; - - keycode = vncKeyboardDev->key->modifierKeyMap[index]; - if (keycode == 0) - continue; - - if (!IS_PRESSED(vncKeyboardDev, keycode)) - continue; - - if (count >= maxKeys) - return 0; - - keys[count++] = keycode; - } - - return count; -} - -KeyCode vncPressLevelThree(void) -{ - unsigned mask, index; - int maxKeysPerMod; - - mask = getLevelThreeMask(); - if (mask == 0) - return 0; - - index = ffs(mask) - 1; - maxKeysPerMod = vncKeyboardDev->key->maxKeysPerModifier; - return vncKeyboardDev->key->modifierKeyMap[index * maxKeysPerMod]; -} - -size_t vncReleaseLevelThree(KeyCode *keys, size_t maxKeys) -{ - size_t count; - unsigned mask, msindex; - int maxKeysPerMod; - - mask = getLevelThreeMask(); - if (mask == 0) - return 0; - - msindex = ffs(mask) - 1; - - count = 0; - maxKeysPerMod = vncKeyboardDev->key->maxKeysPerModifier; - for (int k = 0; k < maxKeysPerMod; k++) { - int keycode; - int index; - - index = msindex * maxKeysPerMod + k; - - keycode = vncKeyboardDev->key->modifierKeyMap[index]; - if (keycode == 0) - continue; - - if (!IS_PRESSED(vncKeyboardDev, keycode)) - continue; - - if (count >= maxKeys) - return 0; - - keys[count++] = keycode; - } - - return count; -} - -static KeySym KeyCodetoKeySym(KeySymsPtr keymap, int keycode, int col) -{ - int per = keymap->mapWidth; - KeySym *syms; - KeySym lsym, usym; - - if ((col < 0) || ((col >= per) && (col > 3)) || - (keycode < keymap->minKeyCode) || (keycode > keymap->maxKeyCode)) - return NoSymbol; - - syms = &keymap->map[(keycode - keymap->minKeyCode) * per]; - if (col >= 4) - return syms[col]; - - if (col > 1) { - while ((per > 2) && (syms[per - 1] == NoSymbol)) - per--; - if (per < 3) - col -= 2; - } - - if ((per <= (col|1)) || (syms[col|1] == NoSymbol)) { - XkbConvertCase(syms[col&~1], &lsym, &usym); - if (!(col & 1)) - return lsym; - /* - * I'm commenting out this logic because it's incorrect even - * though it was copied from the Xlib sources. The X protocol - * book quite clearly states that where a group consists of - * element 1 being a non-alphabetic keysym and element 2 being - * NoSymbol that you treat the second element as being the - * same as the first. This also tallies with the behaviour - * produced by the installed Xlib on my linux box (I believe - * this is because it uses some XKB code rather than the - * original Xlib code - compare XKBBind.c with KeyBind.c in - * lib/X11). - */ -#if 0 - else if (usym == lsym) - return NoSymbol; -#endif - else - return usym; - } - - return syms[col]; -} - -KeyCode vncKeysymToKeycode(KeySym keysym, unsigned state, unsigned *new_state) -{ - int i, j; - unsigned mask; - - KeySymsPtr keymap; - int mapWidth; - - mask = vncGetLevelThreeMask(); - - keymap = &vncKeyboardDev->key->curKeySyms; - - /* - * Column 0 means both shift and "mode_switch" (AltGr) must be released, - * column 1 means shift must be pressed and mode_switch released, - * column 2 means shift must be released and mode_switch pressed, and - * column 3 means both shift and mode_switch must be pressed. - */ - j = 0; - if (state & ShiftMask) - j |= 0x1; - if (state & mask) - j |= 0x2; - - *new_state = state; - for (i = keymap->minKeyCode; i <= keymap->maxKeyCode; i++) { - if (KeyCodetoKeySym(keymap, i, j) == keysym) - return i; - } - - /* Only the first four columns have well-defined meaning */ - mapWidth = keymap->mapWidth; - if (mapWidth > 4) - mapWidth = 4; - - for (j = 0; j < mapWidth; j++) { - for (i = keymap->minKeyCode; i <= keymap->maxKeyCode; i++) { - if (KeyCodetoKeySym(keymap, i, j) == keysym) { - *new_state = state & ~(ShiftMask|mask); - if (j & 0x1) - *new_state |= ShiftMask; - if (j & 0x2) - *new_state |= mask; - - return i; - } - } - } - - return 0; -} - -int vncIsLockModifier(KeyCode keycode, unsigned state) -{ - int i, j, k; - - int minKeyCode, mapWidth; - KeySym *map; - - int maxKeysPerMod; - CARD8 *modmap; - - int num_lock_index; - - minKeyCode = vncKeyboardDev->key->curKeySyms.minKeyCode; - mapWidth = vncKeyboardDev->key->curKeySyms.mapWidth; - map = vncKeyboardDev->key->curKeySyms.map; - - maxKeysPerMod = vncKeyboardDev->key->maxKeysPerModifier; - modmap = vncKeyboardDev->key->modifierKeyMap; - - /* Caps Lock is fairly easy as it has a dedicated modmap entry */ - for (k = 0; k < maxKeysPerMod; k++) { - int index; - - index = LockMapIndex * maxKeysPerMod + k; - if (keycode == modmap[index]) - return 1; - } - - /* For Num Lock we need to find the correct modmap entry */ - num_lock_index = i; - for (i = 3; i < 8; i++) { - for (k = 0; k < maxKeysPerMod; k++) { - int index = i * maxKeysPerMod + k; - int keycode = modmap[index]; - - if (keycode == 0) - continue; - - for (j = 0; j < mapWidth; j++) { - KeySym keysym; - keysym = map[(keycode - minKeyCode) * mapWidth + j]; - if (keysym == XK_Num_Lock) { - num_lock_index = i; - goto done; - } - } - } - } -done: - - if (num_lock_index == 0) - return 0; - - /* Now we can look in the modmap */ - for (k = 0; k < maxKeysPerMod; k++) { - int index; - - index = num_lock_index * maxKeysPerMod + k; - if (keycode == modmap[index]) - return 1; - } - - return 0; -} - -int vncIsAffectedByNumLock(KeyCode keycode) -{ - KeySymsPtr keymap; - int i, per; - KeySym *syms; - - keymap = &vncKeyboardDev->key->curKeySyms; - per = keymap->mapWidth; - syms = &keymap->map[(keycode - keymap->minKeyCode) * per]; - - for (i = 0;i < per;i++) { - if (IsKeypadKey(syms[i])) - return 1; - if (IsPrivateKeypadKey(syms[i])) - return 1; - } - - return 0; -} - -KeyCode vncAddKeysym(KeySym keysym, unsigned state) -{ - KeyCode kc; - - int minKeyCode, maxKeyCode, mapWidth; - KeySym *map; - - minKeyCode = vncKeyboardDev->key->curKeySyms.minKeyCode; - maxKeyCode = vncKeyboardDev->key->curKeySyms.maxKeyCode; - mapWidth = vncKeyboardDev->key->curKeySyms.mapWidth; - map = vncKeyboardDev->key->curKeySyms.map; - - /* - * Magic, which dynamically adds keysym<->keycode mapping - * depends on X.Org version. Quick explanation of that "magic": - * - * 1.5 - * - has only one core keyboard so we have to keep core - * keyboard mapping synchronized with vncKeyboardDevice. Do - * it via SwitchCoreKeyboard() - * - * 1.6 (aka MPX - Multi pointer X) - * - multiple master devices (= core devices) exists, keep - * vncKeyboardDevice synchronized with proper master device - */ - for (kc = maxKeyCode; kc >= minKeyCode; kc--) { - DeviceIntPtr master; - - if (map[(kc - minKeyCode) * mapWidth] != 0) - continue; - - map[(kc - minKeyCode) * mapWidth] = keysym; - -#if XORG == 15 - master = inputInfo.keyboard; -#else - master = vncKeyboardDev->u.master; -#endif - void *slave = dixLookupPrivate(&master->devPrivates, - CoreDevicePrivateKey); - if (vncKeyboardDev == slave) { - dixSetPrivate(&master->devPrivates, - CoreDevicePrivateKey, NULL); -#if XORG == 15 - SwitchCoreKeyboard(vncKeyboardDev); -#else - CopyKeyClass(vncKeyboardDev, master); -#endif - } - - return kc; - } - - return 0; -} - -#endif - diff --git a/unix/xserver/hw/vnc/InputXKB.c b/unix/xserver/hw/vnc/InputXKB.c index 8d7ae569..490d6d19 100644 --- a/unix/xserver/hw/vnc/InputXKB.c +++ b/unix/xserver/hw/vnc/InputXKB.c @@ -24,8 +24,6 @@ #include "xorg-version.h" -#if XORG >= 17 - #include <stdio.h> #include <X11/keysym.h> @@ -655,5 +653,3 @@ static void vncXkbProcessDeviceEvent(int screenNum, ctrls->enabled_ctrls = backupctrls; } - -#endif /* XORG >= 117 */ diff --git a/unix/xserver/hw/vnc/Makefile.am b/unix/xserver/hw/vnc/Makefile.am index 7940f1b6..d7ab2595 100644 --- a/unix/xserver/hw/vnc/Makefile.am +++ b/unix/xserver/hw/vnc/Makefile.am @@ -16,7 +16,7 @@ HDRS = vncExtInit.h vncHooks.h \ libvnccommon_la_SOURCES = $(HDRS) vncExt.c vncExtInit.cc vncHooks.c \ vncBlockHandler.c XorgGlue.c RFBGlue.cc XserverDesktop.cc \ - Input.c InputCore.c InputXKB.c + Input.c InputXKB.c libvnccommon_la_CPPFLAGS = -DVENDOR_RELEASE="$(VENDOR_RELEASE)" \ -DVENDOR_STRING="\"$(VENDOR_STRING)\"" -I$(TIGERVNC_SRCDIR)/common -UHAVE_CONFIG_H \ diff --git a/unix/xserver/hw/vnc/vncHooks.c b/unix/xserver/hw/vnc/vncHooks.c index dc2b811a..5867aa00 100644 --- a/unix/xserver/hw/vnc/vncHooks.c +++ b/unix/xserver/hw/vnc/vncHooks.c @@ -96,10 +96,7 @@ typedef struct _vncHooksGCRec { #endif } vncHooksGCRec, *vncHooksGCPtr; -#if XORG == 15 -static DevPrivateKey vncHooksScreenPrivateKey = &vncHooksScreenPrivateKey; -static DevPrivateKey vncHooksGCPrivateKey = &vncHooksGCPrivateKey; -#elif XORG < 19 +#if XORG < 19 static int vncHooksScreenPrivateKeyIndex; static int vncHooksGCPrivateKeyIndex; static DevPrivateKey vncHooksScreenPrivateKey = &vncHooksScreenPrivateKeyIndex; @@ -133,11 +130,8 @@ static void vncHooksClearToBackground(WindowPtr pWin, int x, int y, int w, #if XORG < 110 static RegionPtr vncHooksRestoreAreas(WindowPtr pWin, RegionPtr prgnExposed); #endif -static Bool vncHooksDisplayCursor( -#if XORG >= 16 - DeviceIntPtr pDev, -#endif - ScreenPtr pScreen, CursorPtr cursor); +static Bool vncHooksDisplayCursor(DeviceIntPtr pDev, + ScreenPtr pScreen, CursorPtr cursor); #if XORG <= 112 static void vncHooksBlockHandler(int i, pointer blockData, pointer pTimeout, pointer pReadmask); @@ -601,30 +595,20 @@ static RegionPtr vncHooksRestoreAreas(WindowPtr pWin, RegionPtr pRegion) // DisplayCursor - get the cursor shape -static Bool vncHooksDisplayCursor( -#if XORG >= 16 - DeviceIntPtr pDev, -#endif - ScreenPtr pScreen_, CursorPtr cursor) +static Bool vncHooksDisplayCursor(DeviceIntPtr pDev, + ScreenPtr pScreen_, CursorPtr cursor) { Bool ret; SCREEN_UNWRAP(pScreen_, DisplayCursor); - ret = (*pScreen->DisplayCursor) ( -#if XORG >= 16 - pDev, -#endif - pScreen, cursor); + ret = (*pScreen->DisplayCursor) (pDev, pScreen, cursor); -#if XORG >= 16 /* * XXX DIX calls this function with NULL argument to remove cursor sprite from * screen. Should we handle this in setCursor as well? */ - if (cursor != NullCursor) -#endif - { + if (cursor != NullCursor) { int width, height; int hotX, hotY; diff --git a/unix/xserver/hw/vnc/xorg-version.h b/unix/xserver/hw/vnc/xorg-version.h index 083c1b1e..8cc1c860 100644 --- a/unix/xserver/hw/vnc/xorg-version.h +++ b/unix/xserver/hw/vnc/xorg-version.h @@ -24,10 +24,8 @@ #include <dix-config.h> #endif -#if XORG_VERSION_CURRENT < ((1 * 10000000) + (5 * 100000) + (99 * 1000)) -#define XORG 15 -#elif XORG_VERSION_CURRENT < ((1 * 10000000) + (6 * 100000) + (99 * 1000)) -#define XORG 16 +#if XORG_VERSION_CURRENT < ((1 * 10000000) + (6 * 100000) + (99 * 1000)) +#error "X.Org older than 1.7 is not supported" #elif XORG_VERSION_CURRENT < ((1 * 10000000) + (7 * 100000) + (99 * 1000)) #define XORG 17 #elif XORG_VERSION_CURRENT < ((1 * 10000000) + (8 * 100000) + (99 * 1000)) diff --git a/unix/xserver/hw/vnc/xvnc.c b/unix/xserver/hw/vnc/xvnc.c index cc87efb0..6aad434b 100644 --- a/unix/xserver/hw/vnc/xvnc.c +++ b/unix/xserver/hw/vnc/xvnc.c @@ -80,11 +80,9 @@ from the X Consortium. #endif #include <X11/keysym.h> extern char buildtime[]; -#if XORG >= 17 #undef VENDOR_RELEASE #undef VENDOR_STRING #include "version-config.h" -#endif #include "site.h" #define XVNCVERSION "TigerVNC 1.4.80" @@ -848,39 +846,28 @@ vfbCrossScreen (ScreenPtr pScreen, Bool entering) { } -static Bool vfbRealizeCursor( -#if XORG >= 16 - DeviceIntPtr pDev, -#endif - ScreenPtr pScreen, CursorPtr pCursor) { +static Bool vfbRealizeCursor(DeviceIntPtr pDev, + ScreenPtr pScreen, CursorPtr pCursor) +{ return TRUE; } -static Bool vfbUnrealizeCursor( -#if XORG >= 16 - DeviceIntPtr pDev, -#endif - ScreenPtr pScreen, CursorPtr pCursor) { +static Bool vfbUnrealizeCursor(DeviceIntPtr pDev, + ScreenPtr pScreen, CursorPtr pCursor) +{ return TRUE; } -static void vfbSetCursor( -#if XORG >= 16 - DeviceIntPtr pDev, -#endif - ScreenPtr pScreen, CursorPtr pCursor, int x, int y) +static void vfbSetCursor(DeviceIntPtr pDev, + ScreenPtr pScreen, CursorPtr pCursor, int x, int y) { } -static void vfbMoveCursor( -#if XORG >= 16 - DeviceIntPtr pDev, -#endif - ScreenPtr pScreen, int x, int y) +static void vfbMoveCursor(DeviceIntPtr pDev, + ScreenPtr pScreen, int x, int y) { } -#if XORG >= 16 static Bool vfbDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen) { @@ -891,17 +878,14 @@ static void vfbDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen) { } -#endif static miPointerSpriteFuncRec vfbPointerSpriteFuncs = { vfbRealizeCursor, vfbUnrealizeCursor, vfbSetCursor, - vfbMoveCursor -#if XORG >= 16 - , vfbDeviceCursorInitialize, + vfbMoveCursor, + vfbDeviceCursorInitialize, vfbDeviceCursorCleanup -#endif }; static miPointerScreenFuncRec vfbPointerCursorFuncs = { @@ -1220,11 +1204,7 @@ static Bool vncRandRCrtcSet(ScreenPtr pScreen, RRCrtcPtr crtc, RRModePtr mode, } /* Let RandR know we approve, and let it update its internal state */ - ret = RRCrtcNotify(crtc, mode, x, y, rotation, -#if XORG >= 16 - NULL, -#endif - num_outputs, outputs); + ret = RRCrtcNotify(crtc, mode, x, y, rotation, NULL, num_outputs, outputs); if (!ret) return FALSE; @@ -1694,9 +1674,6 @@ Bool LegalModifier(unsigned int key, DeviceIntPtr pDev) void ProcessInputEvents(void) { mieqProcessInputEvents(); -#if XORG == 15 - miPointerUpdate(); -#endif } // InitInput is called after InitExtensions, so we're guaranteed that diff --git a/unix/xserver15.patch b/unix/xserver15.patch deleted file mode 100644 index 7d8c94be..00000000 --- a/unix/xserver15.patch +++ /dev/null @@ -1,158 +0,0 @@ -diff -up xserver/configure.ac.vnc xserver/configure.ac ---- xserver/configure.ac.vnc 2011-05-11 11:02:51.229669941 +0200 -+++ xserver/configure.ac 2011-05-11 11:03:07.754072695 +0200 -@@ -31,7 +31,7 @@ RELEASE_DATE="5 November 2008" - REMEMBER_REMEMBER="The Fifth of November" - AC_CONFIG_SRCDIR([Makefile.am]) - AM_INIT_AUTOMAKE([dist-bzip2 foreign]) --AM_MAINTAINER_MODE -+m4_pattern_allow([AC_DEFINE]) - - dnl this gets generated by autoheader, and thus contains all the defines. we - dnl don't ever actually use it, internally. -@@ -54,6 +54,7 @@ dnl kdrive-config.h covers the kdrive DD - AC_CONFIG_HEADERS(include/kdrive-config.h) - - AC_PROG_CC -+AC_PROG_CXX - AM_PROG_AS - AC_PROG_INSTALL - AC_PROG_LN_S -@@ -1010,7 +1011,7 @@ AC_DEFINE(SHAPE, 1, [Support SHAPE exten - - AC_DEFINE(XKB, 1, [Build XKB]) - AC_DEFINE(XKB_IN_SERVER, 1, [Build XKB server]) --AC_DEFINE(XKB_DFLT_DISABLED, 0, [Disable XKB per default]) -+AC_DEFINE(XKB_DFLT_DISABLED, 1, [Disable XKB per default]) - REQUIRED_MODULES="$REQUIRED_MODULES xkbfile" - XKB_LIB='$(top_builddir)/xkb/libxkb.la' - XKB_STUB_LIB='$(top_builddir)/xkb/libxkbstubs.la' -@@ -1220,6 +1221,9 @@ if test "x$XVFB" = xyes; then - AC_SUBST([XVFB_SYS_LIBS]) - fi - -+dnl Xvnc DDX -+AC_SUBST([XVNC_CPPFLAGS], ["-DHAVE_DIX_CONFIG_H $XEXT_INC $FB_INC $MI_INC $RENDER_INC $RANDR_INC"]) -+AC_SUBST([XVNC_LIBS], ["$FB_LIB $FIXES_LIB $XEXT_LIB $CONFIG_LIB $DBE_LIB $XTRAP_LIB $RECORD_LIB $GLX_LIBS $RENDER_LIB $RANDR_LIB $DAMAGE_LIB $MIEXT_DAMAGE_LIB $MIEXT_SHADOW_LIB $XI_LIB $XKB_LIB $XKB_STUB_LIB $COMPOSITE_LIB $XPSTUBS_LIB"]) - - dnl Xnest DDX - -@@ -1314,6 +1318,8 @@ xorg_bus_ppcpci=no - xorg_bus_sparcpci=no - xorg_bus_sparc=no - -+AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version]) -+ - if test "x$XORG" = xyes -o "x$XGL" = xyes; then - XORG_DDXINCS='-I$(top_srcdir)/hw/xfree86 -I$(top_srcdir)/hw/xfree86/include -I$(top_srcdir)/hw/xfree86/common' - XORG_OSINCS='-I$(top_srcdir)/hw/xfree86/os-support -I$(top_srcdir)/hw/xfree86/os-support/bus -I$(top_srcdir)/os' -@@ -1521,7 +1527,6 @@ if test "x$XORG" = xyes -o "x$XGL" = xye - AC_DEFINE(XORGSERVER, 1, [Building Xorg server]) - AC_DEFINE(XFree86Server, 1, [Building XFree86 server]) - AC_DEFINE(XFree86LOADER, 1, [Building loadable XFree86 server]) -- AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version]) - AC_DEFINE(NEED_XF86_TYPES, 1, [Need XFree86 typedefs]) - AC_DEFINE(NEED_XF86_PROTOTYPES, 1, [Need XFree86 helper functions]) - AC_DEFINE(__XSERVERNAME__, "Xorg", [Name of X server]) -@@ -2184,6 +2189,7 @@ hw/dmx/input/Makefile - hw/dmx/glxProxy/Makefile - hw/dmx/Makefile - hw/vfb/Makefile -+hw/vnc/Makefile - hw/xgl/Makefile - hw/xgl/egl/Makefile - hw/xgl/egl/module/Makefile -diff -up xserver/hw/Makefile.am.vnc xserver/hw/Makefile.am ---- xserver/hw/Makefile.am.vnc 2011-05-11 11:02:51.809648976 +0200 -+++ xserver/hw/Makefile.am 2011-05-11 11:03:07.754072695 +0200 -@@ -43,7 +43,8 @@ SUBDIRS = \ - $(DMX_SUBDIRS) \ - $(KDRIVE_SUBDIRS) \ - $(XQUARTZ_SUBDIRS) \ -- $(XPRINT_SUBDIRS) -+ $(XPRINT_SUBDIRS) \ -+ vnc - - DIST_SUBDIRS = dmx xfree86 vfb xnest xwin xquartz kdrive xgl xprint - -diff -up xserver/mi/miinitext.c.vnc xserver/mi/miinitext.c ---- xserver/mi/miinitext.c.vnc 2011-05-11 11:02:53.156600294 +0200 -+++ xserver/mi/miinitext.c 2011-05-11 11:03:31.079229673 +0200 -@@ -292,6 +292,9 @@ extern void BigReqExtensionInit(INITARGS - #ifdef MITMISC - extern void MITMiscExtensionInit(INITARGS); - #endif -+#ifdef TIGERVNC -+extern void vncExtensionInit(INITARGS); -+#endif - #ifdef XIDLE - extern void XIdleExtensionInit(INITARGS); - #endif -@@ -566,6 +569,9 @@ InitExtensions(argc, argv) - #ifdef MITMISC - if (!noMITMiscExtension) MITMiscExtensionInit(); - #endif -+#ifdef TIGERVNC -+ vncExtensionInit(); -+#endif - #ifdef XIDLE - if (!noXIdleExtension) XIdleExtensionInit(); - #endif ---- xserver/os/WaitFor.c.orig 2011-10-07 12:57:57.000000000 +0200 -+++ xserver/os/WaitFor.c 2011-10-07 13:21:11.000000000 +0200 -@@ -125,6 +125,9 @@ - static void CheckAllTimers(void); - static OsTimerPtr timers = NULL; - -+extern void vncWriteBlockHandler(fd_set *fds); -+extern void vncWriteWakeupHandler(int nfds, fd_set *fds); -+ - /***************** - * WaitForSomething: - * Make the server suspend until there is -@@ -150,6 +153,7 @@ - INT32 timeout = 0; - fd_set clientsReadable; - fd_set clientsWritable; -+ fd_set socketsWritable; - int curclient; - int selecterr; - int nready; -@@ -220,23 +224,29 @@ - SmartScheduleStopTimer (); - - #endif -+ FD_ZERO(&socketsWritable); -+ vncWriteBlockHandler(&socketsWritable); - BlockHandler((pointer)&wt, (pointer)&LastSelectMask); - if (NewOutputPending) - FlushAllOutput(); - /* keep this check close to select() call to minimize race */ - if (dispatchException) - i = -1; -- else if (AnyClientsWriteBlocked) -- { -- XFD_COPYSET(&ClientsWriteBlocked, &clientsWritable); -- i = Select (MaxClients, &LastSelectMask, &clientsWritable, NULL, wt); -- } -- else -- { -- i = Select (MaxClients, &LastSelectMask, NULL, NULL, wt); -+ else { -+ if (AnyClientsWriteBlocked) -+ XFD_ORSET(&socketsWritable, &ClientsWriteBlocked, &socketsWritable); -+ -+ if (XFD_ANYSET(&socketsWritable)) { -+ i = Select (MaxClients, &LastSelectMask, &socketsWritable, NULL, wt); -+ if (AnyClientsWriteBlocked) -+ XFD_ANDSET(&clientsWritable, &socketsWritable, &ClientsWriteBlocked); -+ } else { -+ i = Select (MaxClients, &LastSelectMask, NULL, NULL, wt); -+ } - } - selecterr = GetErrno(); - WakeupHandler(i, (pointer)&LastSelectMask); -+ vncWriteWakeupHandler(i, &socketsWritable); - #ifdef SMART_SCHEDULE - SmartScheduleStartTimer (); - #endif diff --git a/unix/xserver16.patch b/unix/xserver16.patch deleted file mode 100644 index bbff2019..00000000 --- a/unix/xserver16.patch +++ /dev/null @@ -1,99 +0,0 @@ -diff -up xserver/configure.ac.vnc xserver/configure.ac ---- xserver/configure.ac.vnc 2011-05-11 11:06:29.966753119 +0200 -+++ xserver/configure.ac 2011-05-11 11:06:37.286488408 +0200 -@@ -29,7 +29,6 @@ AC_PREREQ(2.57) - AC_INIT([xorg-server], 1.6.5, [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg], xorg-server) - AC_CONFIG_SRCDIR([Makefile.am]) - AM_INIT_AUTOMAKE([dist-bzip2 foreign]) --AM_MAINTAINER_MODE - - RELEASE_DATE="2009-10-11" - -@@ -52,6 +51,7 @@ dnl kdrive-config.h covers the kdrive DD - AC_CONFIG_HEADERS(include/kdrive-config.h) - - AC_PROG_CC -+AC_PROG_CXX - AM_PROG_AS - AC_PROG_INSTALL - AC_PROG_LN_S -@@ -995,7 +995,7 @@ AC_DEFINE(SHAPE, 1, [Support SHAPE exten - - AC_DEFINE(XKB, 1, [Build XKB]) - AC_DEFINE(XKB_IN_SERVER, 1, [Build XKB server]) --AC_DEFINE(XKB_DFLT_DISABLED, 0, [Disable XKB per default]) -+AC_DEFINE(XKB_DFLT_DISABLED, 1, [Disable XKB per default]) - REQUIRED_MODULES="$REQUIRED_MODULES xkbfile" - XKB_LIB='$(top_builddir)/xkb/libxkb.la' - XKB_STUB_LIB='$(top_builddir)/xkb/libxkbstubs.la' -@@ -1199,6 +1199,9 @@ if test "x$XVFB" = xyes; then - AC_SUBST([XVFB_SYS_LIBS]) - fi - -+dnl Xvnc DDX -+AC_SUBST([XVNC_CPPFLAGS], ["-DHAVE_DIX_CONFIG_H $XEXT_INC $FB_INC $MI_INC $RENDER_INC $RANDR_INC"]) -+AC_SUBST([XVNC_LIBS], ["$FB_LIB $FIXES_LIB $XEXT_LIB $CONFIG_LIB $DBE_LIB $RECORD_LIB $GLX_LIBS $RANDR_LIB $RENDER_LIB $DAMAGE_LIB $MIEXT_DAMAGE_LIB $MIEXT_SHADOW_LIB $XI_LIB $XKB_LIB $XKB_STUB_LIB $COMPOSITE_LIB"]) - - dnl Xnest DDX - -@@ -1234,6 +1237,8 @@ xorg_bus_linuxpci=no - xorg_bus_bsdpci=no - xorg_bus_sparc=no - -+AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version]) -+ - if test "x$XORG" = xyes; then - XORG_DDXINCS='-I$(top_srcdir)/hw/xfree86 -I$(top_srcdir)/hw/xfree86/include -I$(top_srcdir)/hw/xfree86/common' - XORG_OSINCS='-I$(top_srcdir)/hw/xfree86/os-support -I$(top_srcdir)/hw/xfree86/os-support/bus -I$(top_srcdir)/os' -@@ -1421,7 +1426,6 @@ if test "x$XORG" = xyes; then - AC_DEFINE(XORGSERVER, 1, [Building Xorg server]) - AC_DEFINE(XFree86Server, 1, [Building XFree86 server]) - AC_DEFINE(XFree86LOADER, 1, [Building loadable XFree86 server]) -- AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version]) - AC_DEFINE(NEED_XF86_TYPES, 1, [Need XFree86 typedefs]) - AC_DEFINE(NEED_XF86_PROTOTYPES, 1, [Need XFree86 helper functions]) - AC_DEFINE(__XSERVERNAME__, "Xorg", [Name of X server]) -@@ -1875,6 +1879,7 @@ hw/dmx/input/Makefile - hw/dmx/glxProxy/Makefile - hw/dmx/Makefile - hw/vfb/Makefile -+hw/vnc/Makefile - hw/xnest/Makefile - hw/xwin/Makefile - hw/xquartz/Makefile -diff -up xserver/hw/Makefile.am.vnc xserver/hw/Makefile.am ---- xserver/hw/Makefile.am.vnc 2011-05-11 11:06:30.022751094 +0200 -+++ xserver/hw/Makefile.am 2011-05-11 11:06:37.286488408 +0200 -@@ -33,7 +33,8 @@ SUBDIRS = \ - $(XNEST_SUBDIRS) \ - $(DMX_SUBDIRS) \ - $(KDRIVE_SUBDIRS) \ -- $(XQUARTZ_SUBDIRS) -+ $(XQUARTZ_SUBDIRS) \ -+ vnc - - DIST_SUBDIRS = dmx xfree86 vfb xnest xwin xquartz kdrive - -diff -up xserver/mi/miinitext.c.vnc xserver/mi/miinitext.c ---- xserver/mi/miinitext.c.vnc 2011-05-11 11:06:30.127747296 +0200 -+++ xserver/mi/miinitext.c 2011-05-11 11:07:10.182298769 +0200 -@@ -272,6 +272,9 @@ extern void DamageExtensionInit(INITARGS - extern void CompositeExtensionInit(INITARGS); - #endif - extern void GEExtensionInit(INITARGS); -+#ifdef TIGERVNC -+extern void vncExtensionInit(INITARGS); -+#endif - - /* The following is only a small first step towards run-time - * configurable extensions. -@@ -438,6 +441,9 @@ InitExtensions(int argc, char *argv[]) - #ifdef XF86BIGFONT - if (!noXFree86BigfontExtension) XFree86BigfontExtensionInit(); - #endif -+#ifdef TIGERVNC -+ vncExtensionInit(); -+#endif - #if !defined(NO_HW_ONLY_EXTS) - #if defined(XF86VIDMODE) - if (!noXFree86VidModeExtension) XFree86VidModeExtensionInit(); diff --git a/vncviewer/DesktopWindow.cxx b/vncviewer/DesktopWindow.cxx index e2046624..eb62edd6 100644 --- a/vncviewer/DesktopWindow.cxx +++ b/vncviewer/DesktopWindow.cxx @@ -112,13 +112,8 @@ DesktopWindow::DesktopWindow(int w, int h, const char *name, // On OS X we can do the maximize thing properly before the // window is showned. Other platforms handled further down... if (maximize) { -#ifdef HAVE_FLTK_WORK_AREA int dummy; Fl::screen_work_area(dummy, dummy, w, h, geom_x, geom_y); -#else - w = Fl::w(); - h = Fl::h(); -#endif } #endif @@ -128,7 +123,6 @@ DesktopWindow::DesktopWindow(int w, int h, const char *name, size(w, h); } -#ifdef HAVE_FLTK_FULLSCREEN if (fullScreen) { // Hack: Window managers seem to be rather crappy at respecting // fullscreen hints on initial windows. So on X11 we'll have to @@ -139,16 +133,13 @@ DesktopWindow::DesktopWindow(int w, int h, const char *name, delayedFullscreen = true; #endif } -#endif show(); // Full screen events are not sent out for a hidden window, // so send a fake one here to set up things properly. -#ifdef HAVE_FLTK_FULLSCREEN if (fullscreen_active()) handle(FL_FULLSCREEN); -#endif // Unfortunately, current FLTK does not allow us to set the // maximized property on Windows and X11 before showing the window. @@ -165,7 +156,6 @@ DesktopWindow::DesktopWindow(int w, int h, const char *name, if ((w != this->w()) || (h != this->h())) scroll->size(this->w(), this->h()); -#ifdef HAVE_FLTK_FULLSCREEN if (delayedFullscreen) { // Hack: Fullscreen requests may be ignored, so we need a timeout for // when we should stop waiting. We also really need to wait for the @@ -173,7 +163,6 @@ DesktopWindow::DesktopWindow(int w, int h, const char *name, Fl::add_timeout(0.5, handleFullscreenTimeout, this); fullscreen_on(); } -#endif } @@ -245,9 +234,7 @@ void DesktopWindow::resizeFramebuffer(int new_w, int new_h) // If we're letting the viewport match the window perfectly, then // keep things that way for the new size, otherwise just keep things // like they are. -#ifdef HAVE_FLTK_FULLSCREEN if (!fullscreen_active()) { -#endif if ((w() == viewport->w()) && (h() == viewport->h())) size(new_w, new_h); else { @@ -257,9 +244,7 @@ void DesktopWindow::resizeFramebuffer(int new_w, int new_h) if ((w() > new_w) || (h() > new_h)) size(__rfbmin(w(), new_w), __rfbmin(h(), new_h)); } -#ifdef HAVE_FLTK_FULLSCREEN } -#endif viewport->size(new_w, new_h); @@ -288,10 +273,7 @@ void DesktopWindow::resize(int x, int y, int w, int h) #if ! (defined(WIN32) || defined(__APPLE__)) // X11 window managers will treat a resize to cover the entire // monitor as a request to go full screen. Make sure we avoid this. -#ifdef HAVE_FLTK_FULLSCREEN - if (!fullscreen_active()) -#endif - { + if (!fullscreen_active()) { bool resize_req; // If there is no X11 window, then this must be a resize request, @@ -367,7 +349,6 @@ void DesktopWindow::resize(int x, int y, int w, int h) int DesktopWindow::handle(int event) { switch (event) { -#ifdef HAVE_FLTK_FULLSCREEN case FL_FULLSCREEN: fullScreen.setParam(fullscreen_active()); @@ -406,16 +387,6 @@ int DesktopWindow::handle(int event) } // Continue processing so that the viewport also gets mouse events break; -#endif - - case FL_SHORTCUT: - // Sometimes the focus gets out of whack and we fall through to the - // shortcut dispatching. Try to make things sane again... - if (Fl::focus() == NULL) { - take_focus(); - Fl::handle(FL_KEYDOWN, this); - } - return 1; } return Fl_Window::handle(event); @@ -428,7 +399,6 @@ int DesktopWindow::fltkHandle(int event, Fl_Window *win) ret = Fl::handle_(event, win); -#ifdef HAVE_FLTK_FULLSCREEN // This is hackish and the result of the dodgy focus handling in FLTK. // The basic problem is that FLTK's view of focus and the system's tend // to differ, and as a result we do not see all the FL_FOCUS events we @@ -456,7 +426,6 @@ int DesktopWindow::fltkHandle(int event, Fl_Window *win) break; } } -#endif return ret; } @@ -464,8 +433,6 @@ int DesktopWindow::fltkHandle(int event, Fl_Window *win) void DesktopWindow::fullscreen_on() { -#ifdef HAVE_FLTK_FULLSCREEN -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS if (not fullScreenAllMonitors) fullscreen_screens(-1, -1, -1, -1); else { @@ -504,10 +471,8 @@ void DesktopWindow::fullscreen_on() fullscreen_screens(top, bottom, left, right); } -#endif // HAVE_FLTK_FULLSCREEN_SCREENS fullscreen(); -#endif // HAVE_FLTK_FULLSCREEN } void DesktopWindow::grabKeyboard() @@ -527,13 +492,7 @@ void DesktopWindow::grabKeyboard() #elif defined(__APPLE__) int ret; - ret = cocoa_capture_display(this, -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS - fullScreenAllMonitors -#else - false -#endif - ); + ret = cocoa_capture_display(this, fullScreenAllMonitors); if (ret != 0) vlog.error(_("Failure grabbing keyboard")); #else @@ -590,14 +549,12 @@ void DesktopWindow::handleGrab(void *data) assert(self); -#ifdef HAVE_FLTK_FULLSCREEN if (!fullscreenSystemKeys) return; if (!self->fullscreen_active()) return; self->grabKeyboard(); -#endif } @@ -608,31 +565,22 @@ void DesktopWindow::maximizeWindow() // We cannot use ShowWindow() in full screen mode as it will // resize things implicitly. Fortunately modifying the style // directly results in a maximized state once we leave full screen. -#ifdef HAVE_FLTK_FULLSCREEN if (fullscreen_active()) { WINDOWINFO wi; wi.cbSize = sizeof(WINDOWINFO); GetWindowInfo(fl_xid(this), &wi); SetWindowLongPtr(fl_xid(this), GWL_STYLE, wi.dwStyle | WS_MAXIMIZE); } else -#endif ShowWindow(fl_xid(this), SW_MAXIMIZE); #elif defined(__APPLE__) // OS X is somewhat strange and does not really have a concept of a // maximized window, so we can simply resize the window to the workarea. // Note that we shouldn't do this whilst in full screen as that will // incorrectly adjust things. -#ifdef HAVE_FLTK_FULLSCREEN if (fullscreen_active()) return; -#endif int X, Y, W, H; -#ifdef HAVE_FLTK_WORK_AREA Fl::screen_work_area(X, Y, W, H, this->x(), this->y()); -#else - W = Fl::w(); - H = Fl::h(); -#endif size(W, H); #else // X11 @@ -690,9 +638,7 @@ void DesktopWindow::remoteResize(int width, int height) ScreenSet layout; ScreenSet::iterator iter; -#ifdef HAVE_FLTK_FULLSCREEN if (!fullscreen_active() || (width > w()) || (height > h())) { -#endif // In windowed mode (or the framebuffer is so large that we need // to scroll) we just report a single virtual screen that covers // the entire framebuffer. @@ -723,7 +669,6 @@ void DesktopWindow::remoteResize(int width, int height) layout.begin()->dimensions.tl.y = 0; layout.begin()->dimensions.br.x = width; layout.begin()->dimensions.br.y = height; -#ifdef HAVE_FLTK_FULLSCREEN } else { int i; rdr::U32 id; @@ -790,7 +735,6 @@ void DesktopWindow::remoteResize(int width, int height) if (layout.num_screens() == 0) layout.add_screen(rfb::Screen(0, 0, 0, width, height, 0)); } -#endif // Do we actually change anything? if ((width == cc->cp.width) && @@ -866,7 +810,6 @@ void DesktopWindow::handleOptions(void *data) { DesktopWindow *self = (DesktopWindow*)data; -#ifdef HAVE_FLTK_FULLSCREEN if (self->fullscreen_active() && fullscreenSystemKeys) self->grabKeyboard(); else @@ -876,7 +819,6 @@ void DesktopWindow::handleOptions(void *data) self->fullscreen_on(); else if (!fullScreen && self->fullscreen_active()) self->fullscreen_off(); -#endif } void DesktopWindow::handleFullscreenTimeout(void *data) @@ -895,7 +837,6 @@ void DesktopWindow::handleFullscreenTimeout(void *data) void DesktopWindow::handleEdgeScroll(void *data) { -#ifdef HAVE_FLTK_FULLSCREEN DesktopWindow *self = (DesktopWindow *)data; int mx, my; @@ -952,5 +893,4 @@ void DesktopWindow::handleEdgeScroll(void *data) self->scroll->scroll_to(self->scroll->xposition() - dx, self->scroll->yposition() - dy); Fl::repeat_timeout(0.1, handleEdgeScroll, data); -#endif } diff --git a/vncviewer/OptionsDialog.cxx b/vncviewer/OptionsDialog.cxx index d1495ef2..3c8fcb48 100644 --- a/vncviewer/OptionsDialog.cxx +++ b/vncviewer/OptionsDialog.cxx @@ -290,12 +290,8 @@ void OptionsDialog::loadOptions(void) desktopHeightInput->value(buf); } remoteResizeCheckbox->value(remoteResize); -#ifdef HAVE_FLTK_FULLSCREEN fullScreenCheckbox->value(fullScreen); -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS fullScreenAllMonitorsCheckbox->value(fullScreenAllMonitors); -#endif // HAVE_FLTK_FULLSCREEN_SCREENS -#endif // HAVE_FLTK_FULLSCREEN handleDesktopSize(desktopSizeCheckbox, this); @@ -398,12 +394,8 @@ void OptionsDialog::storeOptions(void) desktopSize.setParam(""); } remoteResize.setParam(remoteResizeCheckbox->value()); -#ifdef HAVE_FLTK_FULLSCREEN fullScreen.setParam(fullScreenCheckbox->value()); -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS fullScreenAllMonitors.setParam(fullScreenAllMonitorsCheckbox->value()); -#endif // HAVE_FLTK_FULLSCREEN_SCREENS -#endif // HAVE_FLTK_FULLSCREEN /* Misc. */ shared.setParam(sharedCheckbox->value()); @@ -758,26 +750,18 @@ void OptionsDialog::createScreenPage(int tx, int ty, int tw, int th) _("Resize remote session to the local window"))); ty += CHECK_HEIGHT + TIGHT_MARGIN; -#ifdef HAVE_FLTK_FULLSCREEN - fullScreenCheckbox = new Fl_Check_Button(LBLRIGHT(tx, ty, CHECK_MIN_WIDTH, CHECK_HEIGHT, _("Full-screen mode"))); ty += CHECK_HEIGHT + TIGHT_MARGIN; -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS - fullScreenAllMonitorsCheckbox = new Fl_Check_Button(LBLRIGHT(tx + INDENT, ty, CHECK_MIN_WIDTH, CHECK_HEIGHT, _("Enable full-screen mode over all monitors"))); ty += CHECK_HEIGHT + TIGHT_MARGIN; -#endif // HAVE_FLTK_FULLSCREEN_SCREENS - -#endif // HAVE_FLTK_FULLSCREEN - group->end(); } diff --git a/vncviewer/Viewport.cxx b/vncviewer/Viewport.cxx index 11e7fed6..3d0d6888 100644 --- a/vncviewer/Viewport.cxx +++ b/vncviewer/Viewport.cxx @@ -106,15 +106,10 @@ Viewport::Viewport(int w, int h, const rfb::PixelFormat& serverPF, CConn* cc_) lastPointerPos(0, 0), lastButtonMask(0), menuCtrlKey(false), menuAltKey(false), cursor(NULL) { -// FLTK STR #2636 gives us the ability to monitor clipboard changes -#ifdef HAVE_FLTK_CLIPBOARD Fl::add_clipboard_notify(handleClipboardChange, this); -#endif -#ifdef HAVE_FLTK_XHANDLERS // We need to intercept keyboard events early Fl::add_system_handler(handleSystemEvent, this); -#endif frameBuffer = createFramebuffer(w, h); assert(frameBuffer); @@ -148,13 +143,9 @@ Viewport::~Viewport() // again later when this object is already gone. Fl::remove_timeout(handlePointerTimeout, this); -#ifdef HAVE_FLTK_XHANDLERS Fl::remove_system_handler(handleSystemEvent); -#endif -#ifdef HAVE_FLTK_CLIPBOARD Fl::remove_clipboard_notify(handleClipboardChange); -#endif OptionsDialog::removeCallback(handleOptions); @@ -194,7 +185,6 @@ rfb::ModifiablePixelBuffer* Viewport::getFramebuffer(void) return frameBuffer; } -#ifdef HAVE_FLTK_CURSOR static const char * dotcursor_xpm[] = { "5 5 2 1", ". c #000000", @@ -204,12 +194,10 @@ static const char * dotcursor_xpm[] = { " ... ", " ... ", " "}; -#endif void Viewport::setCursor(int width, int height, const Point& hotspot, void* data, void* mask) { -#ifdef HAVE_FLTK_CURSOR if (cursor) { if (!cursor->alloc_array) delete [] cursor->array; @@ -269,7 +257,6 @@ void Viewport::setCursor(int width, int height, const Point& hotspot, if (Fl::belowmouse() == this) window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y); -#endif } @@ -365,17 +352,13 @@ int Viewport::handle(int event) return 1; case FL_ENTER: - // Yes, we would like some pointer events please! -#ifdef HAVE_FLTK_CURSOR if (cursor) window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y); -#endif + // Yes, we would like some pointer events please! return 1; case FL_LEAVE: -#ifdef HAVE_FLTK_CURSOR window()->cursor(FL_CURSOR_DEFAULT); -#endif // Fall through as we want a last move event to help trigger edge stuff case FL_PUSH: case FL_RELEASE: @@ -411,9 +394,7 @@ int Viewport::handle(int event) return 1; case FL_FOCUS: -#ifdef HAVE_FLTK_IM Fl::disable_im(); -#endif // Yes, we would like some focus please! return 1; @@ -422,17 +403,12 @@ int Viewport::handle(int event) // sense (e.g. Alt+Tab where we only see the Alt press) while (!downKeySym.empty()) handleKeyRelease(downKeySym.begin()->first); -#ifdef HAVE_FLTK_IM Fl::enable_im(); -#endif return 1; case FL_KEYDOWN: - handleFLTKKeyPress(); - return 1; - case FL_KEYUP: - handleKeyRelease(Fl::event_original_key()); + // Just ignore these as keys were handled in the event handler return 1; } @@ -806,258 +782,6 @@ int Viewport::handleSystemEvent(void *event, void *data) return 0; } - -rdr::U32 Viewport::translateKeyEvent(void) -{ - unsigned ucs; - int keyCode, origKeyCode; - const char *keyText; - int keyTextLen; - - keyCode = Fl::event_key(); - origKeyCode = Fl::event_original_key(); - keyText = Fl::event_text(); - keyTextLen = Fl::event_length(); - - vlog.debug("FLTK key %d (%d) '%s'[%d]", origKeyCode, keyCode, keyText, keyTextLen); - - // First check for function keys - if ((keyCode > FL_F) && (keyCode <= FL_F_Last)) - return XK_F1 + (keyCode - FL_F - 1); - - // Numpad numbers - if ((keyCode >= (FL_KP + '0')) && (keyCode <= (FL_KP + '9'))) - return XK_KP_0 + (keyCode - (FL_KP + '0')); - - // FLTK does some special remapping of numpad keys when numlock is off - if ((origKeyCode >= FL_KP) && (origKeyCode <= FL_KP_Last)) { - switch (keyCode) { - case FL_F+1: - return XK_KP_F1; - case FL_F+2: - return XK_KP_F2; - case FL_F+3: - return XK_KP_F3; - case FL_F+4: - return XK_KP_F4; - case FL_Home: - return XK_KP_Home; - case FL_Left: - return XK_KP_Left; - case FL_Up: - return XK_KP_Up; - case FL_Right: - return XK_KP_Right; - case FL_Down: - return XK_KP_Down; - case FL_Page_Up: - return XK_KP_Page_Up; - case FL_Page_Down: - return XK_KP_Page_Down; - case FL_End: - return XK_KP_End; - case FL_Insert: - return XK_KP_Insert; - case FL_Delete: - return XK_KP_Delete; - } - } - -#if defined(WIN32) || defined(__APPLE__) - // X11 fairly consistently uses XK_KP_Separator for comma and - // XK_KP_Decimal for period. Windows and OS X are a different matter - // though. - // - // OS X will consistently generate the same key code no matter what - // layout is being used. - // - // Windows is terribly inconcistent, and is not something that's - // likely to change: - // http://blogs.msdn.com/michkap/archive/2006/09/13/752377.aspx - // - // To get X11 behaviour, we instead look at the text generated by - // they key. - if ((keyCode == (FL_KP + ',')) || (keyCode == (FL_KP + '.'))) { - switch (keyText[0]) { - case ',': - return XK_KP_Separator; - case '.': - return XK_KP_Decimal; - default: - vlog.error(_("Unknown decimal separator: '%s'"), keyText); - return XK_KP_Decimal; - } - } -#endif - - // Then other special keys - switch (keyCode) { - case FL_BackSpace: - return XK_BackSpace; - case FL_Tab: - return XK_Tab; - case FL_Enter: - return XK_Return; - case FL_Pause: - return XK_Pause; - case FL_Scroll_Lock: - return XK_Scroll_Lock; - case FL_Escape: - return XK_Escape; - case FL_Home: - return XK_Home; - case FL_Left: - return XK_Left; - case FL_Up: - return XK_Up; - case FL_Right: - return XK_Right; - case FL_Down: - return XK_Down; - case FL_Page_Up: - return XK_Page_Up; - case FL_Page_Down: - return XK_Page_Down; - case FL_End: - return XK_End; - case FL_Print: - return XK_Print; - case FL_Insert: - return XK_Insert; - case FL_Menu: - return XK_Menu; - case FL_Help: - return XK_Help; - case FL_Num_Lock: - return XK_Num_Lock; - case FL_Shift_L: - return XK_Shift_L; - case FL_Shift_R: - return XK_Shift_R; - case FL_Control_L: - return XK_Control_L; - case FL_Control_R: - return XK_Control_R; - case FL_Caps_Lock: - return XK_Caps_Lock; - case FL_Meta_L: - return XK_Super_L; - case FL_Meta_R: - return XK_Super_R; - case FL_Alt_L: - return XK_Alt_L; - case FL_Alt_R: - return XK_Alt_R; - case FL_Delete: - return XK_Delete; - case FL_KP_Enter: - return XK_KP_Enter; - case FL_KP + '=': - return XK_KP_Equal; - case FL_KP + '*': - return XK_KP_Multiply; - case FL_KP + '+': - return XK_KP_Add; - case FL_KP + ',': - return XK_KP_Separator; - case FL_KP + '-': - return XK_KP_Subtract; - case FL_KP + '.': - return XK_KP_Decimal; - case FL_KP + '/': - return XK_KP_Divide; -#ifdef HAVE_FLTK_MEDIAKEYS - case FL_Volume_Down: - return XF86XK_AudioLowerVolume; - case FL_Volume_Mute: - return XF86XK_AudioMute; - case FL_Volume_Up: - return XF86XK_AudioRaiseVolume; - case FL_Media_Play: - return XF86XK_AudioPlay; - case FL_Media_Stop: - return XF86XK_AudioStop; - case FL_Media_Prev: - return XF86XK_AudioPrev; - case FL_Media_Next: - return XF86XK_AudioNext; - case FL_Home_Page: - return XF86XK_HomePage; - case FL_Mail: - return XF86XK_Mail; - case FL_Search: - return XF86XK_Search; - case FL_Back: - return XF86XK_Back; - case FL_Forward: - return XF86XK_Forward; - case FL_Stop: - return XF86XK_Stop; - case FL_Refresh: - return XF86XK_Refresh; - case FL_Sleep: - return XF86XK_Sleep; - case FL_Favorites: - return XF86XK_Favorites; -#endif - case XK_ISO_Level3_Shift: - // FLTK tends to let this one leak through on X11... - return XK_ISO_Level3_Shift; - case XK_Multi_key: - // Same for this... - return XK_Multi_key; - } - - // Unknown special key? - if (keyTextLen == 0) { - vlog.error(_("Unknown FLTK key code %d (0x%04x)"), keyCode, keyCode); - return NoSymbol; - } - - // Control character? - if ((keyTextLen == 1) && ((keyText[0] < 0x20) | (keyText[0] == 0x7f))) { - if (keyText[0] == 0x00) - return XK_2; - else if (keyText[0] < 0x1b) { - if (!!Fl::event_state(FL_SHIFT) != !!Fl::event_state(FL_CAPS_LOCK)) - return keyText[0] + XK_A - 0x01; - else - return keyText[0] + XK_a - 0x01; - } else if (keyText[0] < 0x20) - return keyText[0] + XK_3 - 0x1b; - else - return XK_8; - } - - // Look up the symbol the key produces and translate that from Unicode - // to a X11 keysym. - if (fl_utf_nb_char((const unsigned char*)keyText, strlen(keyText)) != 1) { - vlog.error(_("Multiple characters given for key code %d (0x%04x): '%s'"), - keyCode, keyCode, keyText); - return NoSymbol; - } - - ucs = fl_utf8decode(keyText, NULL, NULL); - return ucs2keysym(ucs); -} - - -void Viewport::handleFLTKKeyPress(void) -{ - rdr::U32 keySym; - -#ifdef HAVE_FLTK_XHANDLERS - return; -#endif - - keySym = translateKeyEvent(); - if (keySym == NoSymbol) - return; - - handleKeyPress(Fl::event_original_key(), keySym); -} - - void Viewport::initContextMenu() { contextMenu->clear(); @@ -1065,15 +789,11 @@ void Viewport::initContextMenu() fltk_menu_add(contextMenu, _("E&xit viewer"), 0, NULL, (void*)ID_EXIT, FL_MENU_DIVIDER); -#ifdef HAVE_FLTK_FULLSCREEN fltk_menu_add(contextMenu, _("&Full screen"), 0, NULL, (void*)ID_FULLSCREEN, FL_MENU_TOGGLE | (window()->fullscreen_active()?FL_MENU_VALUE:0)); -#endif fltk_menu_add(contextMenu, _("Resize &window to session"), 0, NULL, (void*)ID_RESIZE, -#ifdef HAVE_FLTK_FULLSCREEN (window()->fullscreen_active()?FL_MENU_INACTIVE:0) | -#endif FL_MENU_DIVIDER); fltk_menu_add(contextMenu, _("&Ctrl"), 0, NULL, (void*)ID_CTRL, @@ -1121,18 +841,14 @@ void Viewport::popupContextMenu() // Unfortunately FLTK doesn't reliably restore the mouse pointer for // menus, so we have to help it out. -#ifdef HAVE_FLTK_CURSOR if (Fl::belowmouse() == this) window()->cursor(FL_CURSOR_DEFAULT); -#endif m = contextMenu->popup(); // Back to our proper mouse pointer. -#ifdef HAVE_FLTK_CURSOR if ((Fl::belowmouse() == this) && cursor) window()->cursor(cursor, cursorHotspot.x, cursorHotspot.y); -#endif if (m == NULL) return; @@ -1141,19 +857,15 @@ void Viewport::popupContextMenu() case ID_EXIT: exit_vncviewer(); break; -#ifdef HAVE_FLTK_FULLSCREEN case ID_FULLSCREEN: if (window()->fullscreen_active()) window()->fullscreen_off(); else ((DesktopWindow*)window())->fullscreen_on(); break; -#endif case ID_RESIZE: -#ifdef HAVE_FLTK_FULLSCREEN if (window()->fullscreen_active()) break; -#endif window()->size(w(), h()); break; case ID_CTRL: diff --git a/vncviewer/Viewport.h b/vncviewer/Viewport.h index 8e60da65..387ff03b 100644 --- a/vncviewer/Viewport.h +++ b/vncviewer/Viewport.h @@ -75,9 +75,6 @@ private: static int handleSystemEvent(void *event, void *data); - rdr::U32 translateKeyEvent(void); - void handleFLTKKeyPress(void); - void initContextMenu(); void popupContextMenu(); diff --git a/vncviewer/cocoa.mm b/vncviewer/cocoa.mm index e51cba9d..3919cb89 100644 --- a/vncviewer/cocoa.mm +++ b/vncviewer/cocoa.mm @@ -60,11 +60,7 @@ int cocoa_capture_display(Fl_Window *win, bool all_displays) if (count != (unsigned)Fl::screen_count()) return 1; -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS index = Fl::screen_num(win->x(), win->y(), win->w(), win->h()); -#else - index = 0; -#endif if (CGDisplayCapture(displays[index]) != kCGErrorSuccess) return 1; @@ -99,11 +95,9 @@ void cocoa_release_display(Fl_Window *win) // FIXME: Store the previous level somewhere so we don't have to hard // code a level here. -#ifdef HAVE_FLTK_FULLSCREEN if (win->fullscreen_active() && win->contains(Fl::focus())) newlevel = NSStatusWindowLevel; else -#endif newlevel = NSNormalWindowLevel; // Only change if different as the level change also moves the window diff --git a/vncviewer/parameters.cxx b/vncviewer/parameters.cxx index 7a868c7c..bf390103 100644 --- a/vncviewer/parameters.cxx +++ b/vncviewer/parameters.cxx @@ -92,14 +92,10 @@ IntParameter qualityLevel("QualityLevel", 8); BoolParameter maximize("Maximize", "Maximize viewer window", false); -#ifdef HAVE_FLTK_FULLSCREEN BoolParameter fullScreen("FullScreen", "Full screen mode", false); -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS BoolParameter fullScreenAllMonitors("FullScreenAllMonitors", "Enable full screen over all monitors", true); -#endif // HAVE_FLTK_FULLSCREEN_SCREENS -#endif // HAVE_FLTK_FULLSCREEN StringParameter desktopSize("DesktopSize", "Reconfigure desktop size on the server on " "connect (if possible)", ""); @@ -160,12 +156,8 @@ static VoidParameter* parameterArray[] = { &compressLevel, &noJpeg, &qualityLevel, -#ifdef HAVE_FLTK_FULLSCREEN &fullScreen, -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS &fullScreenAllMonitors, -#endif // HAVE_FLTK_FULLSCREEN_SCREENS -#endif // HAVE_FLTK_FULLSCREEN &desktopSize, &geometry, &remoteResize, diff --git a/vncviewer/parameters.h b/vncviewer/parameters.h index 9827b141..0de61d2f 100644 --- a/vncviewer/parameters.h +++ b/vncviewer/parameters.h @@ -39,12 +39,8 @@ extern rfb::BoolParameter noJpeg; extern rfb::IntParameter qualityLevel; extern rfb::BoolParameter maximize; -#ifdef HAVE_FLTK_FULLSCREEN extern rfb::BoolParameter fullScreen; -#ifdef HAVE_FLTK_FULLSCREEN_SCREENS extern rfb::BoolParameter fullScreenAllMonitors; -#endif // HAVE_FLTK_FULLSCREEN_SCREENS -#endif // HAVE_FLTK_FULLSCREEN extern rfb::StringParameter desktopSize; extern rfb::StringParameter geometry; extern rfb::BoolParameter remoteResize; diff --git a/vncviewer/vncviewer.cxx b/vncviewer/vncviewer.cxx index 3f51dd3c..5f846796 100644 --- a/vncviewer/vncviewer.cxx +++ b/vncviewer/vncviewer.cxx @@ -165,7 +165,6 @@ static void init_fltk() Fl_Window::default_xclass("vncviewer"); // Set the default icon for all windows. -#ifdef HAVE_FLTK_ICONS #ifdef WIN32 HICON lg, sm; @@ -225,7 +224,6 @@ static void init_fltk() for (int i = 0;i < count;i++) delete icons[i]; #endif -#endif // FLTK_HAVE_ICONS // This makes the "icon" in dialogs rounded, which fits better // with the above schemes. |