mirror of
https://github.com/TigerVNC/tigervnc.git
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47ed8d321c
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/* Copyright (C) 2002-2004 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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//
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// util.h - miscellaneous useful bits
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//
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#ifndef __RFB_UTIL_H__
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#define __RFB_UTIL_H__
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#include <string.h>
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namespace rfb {
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// -=- Class to handle cleanup of arrays of characters
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class CharArray {
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public:
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CharArray() : buf(0) {}
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CharArray(char* str) : buf(str) {} // note: assumes ownership
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CharArray(int len) {
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buf = new char[len];
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}
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~CharArray() {
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delete [] buf;
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}
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// Get the buffer pointer & clear it (i.e. caller takes ownership)
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char* takeBuf() {char* tmp = buf; buf = 0; return tmp;}
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void replaceBuf(char* b) {delete [] buf; buf = b;}
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char* buf;
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private:
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CharArray(const CharArray&);
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CharArray& operator=(const CharArray&);
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};
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char* strDup(const char* s);
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void strFree(char* s);
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// Returns true if split successful. Returns false otherwise.
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// ALWAYS *copies* first part of string to out1 buffer.
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// If limiter not found, leaves out2 alone (null) and just copies to out1.
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// If out1 or out2 non-zero, calls strFree and zeroes them.
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// If fromEnd is true, splits at end of string rather than beginning.
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// Either out1 or out2 may be null, in which case the split will not return
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// that part of the string. Obviously, setting both to 0 is not useful...
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bool strSplit(const char* src, const char limiter, char** out1, char** out2, bool fromEnd=false);
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// Returns true if src contains c
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bool strContains(const char* src, char c);
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// Copies src to dest, up to specified length-1, and guarantees termination
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void strCopy(char* dest, const char* src, int destlen);
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}
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#endif
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// Some platforms (e.g. Windows) include max() and min() macros in their
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// standard headers, so we define them only when not already defined. Note
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// also that max() & min() are standard C++ template functions, so some C++
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// headers will undefine them. We place our definitions outside the #ifndef
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// __RFB_UTIL_H__, so that you can always guarantee they will be defined if
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// this file is the last #include before you use them.
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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef min
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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// -=- PLATFORM SPECIFIC UTILITY FUNCTIONS/IMPLEMENTATIONS
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#ifdef WIN32
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#include "win32/util_win32.h"
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#endif
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