From d450657c9040e77057fdcaf2151537f7ad46580f Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@rambler-co.ru>
Date: Tue, 27 Mar 2012 18:46:21 +0400
Subject: [PATCH] Use 64 bit offset while compiled in 32 bit mode.

---
 CMakeLists.txt  |  4 +++-
 src/aio_event.c | 12 ++++++++++--
 src/aio_event.h |  4 ++--
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ac5fded7..80045a4bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -208,7 +208,9 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 	    	SET(LOCALSTATES_PREFIX "/var/run/rspamd")
     	ENDIF(NOT LOCALSTATES_PREFIX)
     ENDIF(CMAKE_INSTALL_PREFIX)
-    
+    IF(BUILD_CPU_MODE STREQUAL "32")
+    	SET(CMAKE_C_FLAGS  "-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE ${CMAKE_C_FLAGS}")
+    ENDIF(BUILD_CPU_MODE STREQUAL "32")
     # Workaround with architecture specific includes
     IF(IS_DIRECTORY "/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/") 
     	INCLUDE_DIRECTORIES("/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/")
diff --git a/src/aio_event.c b/src/aio_event.c
index e11b7ec83..8608e9d4c 100644
--- a/src/aio_event.c
+++ b/src/aio_event.c
@@ -307,7 +307,7 @@ rspamd_aio_open (struct aio_context *ctx, const gchar *path, int flags)
  * Asynchronous read of file
  */
 gint
-rspamd_aio_read (gint fd, gpointer buf, gsize len, off_t offset, struct aio_context *ctx, rspamd_aio_cb cb, gpointer ud)
+rspamd_aio_read (gint fd, gpointer buf, gsize len, guint64 offset, struct aio_context *ctx, rspamd_aio_cb cb, gpointer ud)
 {
 	struct io_cbdata							*cbdata;
 	gint										 r = -1;
@@ -354,7 +354,11 @@ rspamd_aio_read (gint fd, gpointer buf, gsize len, off_t offset, struct aio_cont
 	else {
 		/* Blocking variant */
 blocking:
+#ifdef _LARGEFILE64_SOURCE
+		r = lseek64 (fd, offset, SEEK_SET);
+#else
 		r = lseek (fd, offset, SEEK_SET);
+#endif
 		if (r > 0) {
 			r = read (fd, buf, len);
 			if (r >= 0) {
@@ -373,7 +377,7 @@ blocking:
  * Asynchronous write of file
  */
 gint
-rspamd_aio_write (gint fd, gpointer buf, gsize len, off_t offset, struct aio_context *ctx, rspamd_aio_cb cb, gpointer ud)
+rspamd_aio_write (gint fd, gpointer buf, gsize len, guint64 offset, struct aio_context *ctx, rspamd_aio_cb cb, gpointer ud)
 {
 	struct io_cbdata							*cbdata;
 	gint										 r = -1;
@@ -424,7 +428,11 @@ rspamd_aio_write (gint fd, gpointer buf, gsize len, off_t offset, struct aio_con
 	else {
 		/* Blocking variant */
 blocking:
+#ifdef _LARGEFILE64_SOURCE
+		r = lseek64 (fd, offset, SEEK_SET);
+#else
 		r = lseek (fd, offset, SEEK_SET);
+#endif
 		if (r > 0) {
 			r = write (fd, buf, len);
 			if (r >= 0) {
diff --git a/src/aio_event.h b/src/aio_event.h
index 7fcb69469..d51d02b3b 100644
--- a/src/aio_event.h
+++ b/src/aio_event.h
@@ -50,13 +50,13 @@ gint rspamd_aio_open (struct aio_context *ctx, const gchar *path, int flags);
 /**
  * Asynchronous read of file
  */
-gint rspamd_aio_read (gint fd, gpointer buf, gsize len, off_t offset,
+gint rspamd_aio_read (gint fd, gpointer buf, gsize len, guint64 offset,
 		struct aio_context *ctx, rspamd_aio_cb cb, gpointer ud);
 
 /**
  * Asynchronous write of file
  */
-gint rspamd_aio_write (gint fd, gpointer buf, gsize len, off_t offset,
+gint rspamd_aio_write (gint fd, gpointer buf, gsize len, guint64 offset,
 		struct aio_context *ctx, rspamd_aio_cb cb, gpointer ud);
 
 /**
-- 
2.39.5