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authormaruel@chromium.org <maruel@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2008-12-18 18:43:47 +0000
committermaruel@chromium.org <maruel@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2008-12-18 18:43:47 +0000
commit7e1e1d207ef6e11fb5790b95c737c9b1f4ffdada (patch)
tree9f6784239ab8fae1ab8d6c26ae783c8c0976896e /third_party/libpng/pngmem.c
parentf71a1883052a6d722c57b7f08b7770a9d6e0a7fa (diff)
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Update libpng to 1.2.33.
Review URL: http://codereview.chromium.org/15041 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@7230 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'third_party/libpng/pngmem.c')
-rw-r--r--third_party/libpng/pngmem.c43
1 files changed, 22 insertions, 21 deletions
diff --git a/third_party/libpng/pngmem.c b/third_party/libpng/pngmem.c
index 13cc60c..e28476f 100644
--- a/third_party/libpng/pngmem.c
+++ b/third_party/libpng/pngmem.c
@@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
- * Last changed in libpng 1.2.27 [April 29, 2008]
+ * Last changed in libpng 1.2.30 [August 15, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -16,7 +16,6 @@
#define PNG_INTERNAL
#include "png.h"
-
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
/* Borland DOS special memory handler */
@@ -48,7 +47,7 @@ png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
return (png_get_copyright(NULL));
#ifdef PNG_USER_MEM_SUPPORTED
- if(malloc_fn != NULL)
+ if (malloc_fn != NULL)
{
png_struct dummy_struct;
png_structp png_ptr = &dummy_struct;
@@ -80,7 +79,7 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
if (struct_ptr != NULL)
{
#ifdef PNG_USER_MEM_SUPPORTED
- if(free_fn != NULL)
+ if (free_fn != NULL)
{
png_struct dummy_struct;
png_structp png_ptr = &dummy_struct;
@@ -122,7 +121,7 @@ png_malloc(png_structp png_ptr, png_uint_32 size)
return (NULL);
#ifdef PNG_USER_MEM_SUPPORTED
- if(png_ptr->malloc_fn != NULL)
+ if (png_ptr->malloc_fn != NULL)
ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
else
ret = (png_malloc_default(png_ptr, size));
@@ -171,7 +170,7 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
ret = NULL;
}
- if(png_ptr->zlib_window_bits > 14)
+ if (png_ptr->zlib_window_bits > 14)
num_blocks = (int)(1 << (png_ptr->zlib_window_bits - 14));
else
num_blocks = 1;
@@ -210,7 +209,7 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
png_ptr->offset_table = table;
png_ptr->offset_table_ptr = farmalloc(num_blocks *
- png_sizeof (png_bytep));
+ png_sizeof(png_bytep));
if (png_ptr->offset_table_ptr == NULL)
{
@@ -273,6 +272,7 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
/* free a pointer allocated by png_malloc(). In the default
configuration, png_ptr is not used, but is passed in case it
is needed. If ptr is NULL, return without taking any action. */
+
void PNGAPI
png_free(png_structp png_ptr, png_voidp ptr)
{
@@ -293,7 +293,7 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
{
#endif /* PNG_USER_MEM_SUPPORTED */
- if(png_ptr == NULL || ptr == NULL) return;
+ if (png_ptr == NULL || ptr == NULL) return;
if (png_ptr->offset_table != NULL)
{
@@ -353,7 +353,7 @@ png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
return (NULL);
#ifdef PNG_USER_MEM_SUPPORTED
- if(malloc_fn != NULL)
+ if (malloc_fn != NULL)
{
png_struct dummy_struct;
png_structp png_ptr = &dummy_struct;
@@ -369,7 +369,7 @@ png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
struct_ptr = (png_voidp)farmalloc(size);
#else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
- struct_ptr = (png_voidp)halloc(size,1);
+ struct_ptr = (png_voidp)halloc(size, 1);
# else
struct_ptr = (png_voidp)malloc(size);
# endif
@@ -398,7 +398,7 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
if (struct_ptr != NULL)
{
#ifdef PNG_USER_MEM_SUPPORTED
- if(free_fn != NULL)
+ if (free_fn != NULL)
{
png_struct dummy_struct;
png_structp png_ptr = &dummy_struct;
@@ -434,7 +434,7 @@ png_malloc(png_structp png_ptr, png_uint_32 size)
if (png_ptr == NULL || size == 0)
return (NULL);
- if(png_ptr->malloc_fn != NULL)
+ if (png_ptr->malloc_fn != NULL)
ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
else
ret = (png_malloc_default(png_ptr, size));
@@ -542,9 +542,9 @@ png_malloc_warn(png_structp png_ptr, png_uint_32 size)
{
png_voidp ptr;
png_uint_32 save_flags;
- if(png_ptr == NULL) return (NULL);
+ if (png_ptr == NULL) return (NULL);
- save_flags=png_ptr->flags;
+ save_flags = png_ptr->flags;
png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
ptr = (png_voidp)png_malloc((png_structp)png_ptr, size);
png_ptr->flags=save_flags;
@@ -560,7 +560,7 @@ png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2,
size = (png_size_t)length;
if ((png_uint_32)size != length)
- png_error(png_ptr,"Overflow in png_memcpy_check.");
+ png_error(png_ptr, "Overflow in png_memcpy_check.");
return(png_memcpy (s1, s2, size));
}
@@ -573,7 +573,7 @@ png_memset_check (png_structp png_ptr, png_voidp s1, int value,
size = (png_size_t)length;
if ((png_uint_32)size != length)
- png_error(png_ptr,"Overflow in png_memset_check.");
+ png_error(png_ptr, "Overflow in png_memset_check.");
return (png_memset (s1, value, size));
@@ -587,10 +587,11 @@ void PNGAPI
png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
malloc_fn, png_free_ptr free_fn)
{
- if(png_ptr != NULL) {
- png_ptr->mem_ptr = mem_ptr;
- png_ptr->malloc_fn = malloc_fn;
- png_ptr->free_fn = free_fn;
+ if (png_ptr != NULL)
+ {
+ png_ptr->mem_ptr = mem_ptr;
+ png_ptr->malloc_fn = malloc_fn;
+ png_ptr->free_fn = free_fn;
}
}
@@ -601,7 +602,7 @@ png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
png_voidp PNGAPI
png_get_mem_ptr(png_structp png_ptr)
{
- if(png_ptr == NULL) return (NULL);
+ if (png_ptr == NULL) return (NULL);
return ((png_voidp)png_ptr->mem_ptr);
}
#endif /* PNG_USER_MEM_SUPPORTED */