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[libpng12] Removed two useless #ifdef directives from pngread.c and

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one from pngrutil.c
This commit is contained in:
Glenn Randers-Pehrson 2012-02-19 22:04:56 -06:00
parent e0a2c956be
commit cba5be8307
4 changed files with 6 additions and 16 deletions
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1
ANNOUNCE
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@ -43,6 +43,7 @@ Other information:
Changes since the last public release (1.2.46):
version 1.2.48beta01 [February 20, 2012]
Removed two useless #ifdef directives from pngread.c and one from pngrutil.c
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement

1
CHANGES
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@ -2746,6 +2746,7 @@ version 1.0.57 and 1.2.47 [February 18, 2012]
No changes.
version 1.2.48beta01 [February 20, 2012]
Removed two useless #ifdef directives from pngread.c and one from pngrutil.c
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

11
pngread.c
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@ -1,8 +1,8 @@
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.2.44 [June 26, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Last changed in libpng 1.2.48 [February 20, 2012]
* Copyright (c) 1998-2012 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@ -19,7 +19,6 @@
#include "png.h"
#ifdef PNG_READ_SUPPORTED
/* Create a PNG structure for reading, and allocate any memory needed. */
png_structp PNGAPI
png_create_read_struct(png_const_charp user_png_ver, png_voidp error_ptr,
@ -69,14 +68,8 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#ifdef PNG_USER_LIMITS_SUPPORTED
png_ptr->user_width_max = PNG_USER_WIDTH_MAX;
png_ptr->user_height_max = PNG_USER_HEIGHT_MAX;
# ifdef PNG_USER_CHUNK_CACHE_MAX
/* Added at libpng-1.2.43 and 1.4.0 */
png_ptr->user_chunk_cache_max = PNG_USER_CHUNK_CACHE_MAX;
# endif
# ifdef PNG_SET_USER_CHUNK_MALLOC_MAX
/* Added at libpng-1.2.43 and 1.4.1 */
png_ptr->user_chunk_malloc_max = PNG_USER_CHUNK_MALLOC_MAX;
# endif
#endif
#ifdef PNG_SETJMP_SUPPORTED

9
pngrutil.c
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@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.2.47 [February 18, 2012]
* Last changed in libpng 1.2.48 [February 20, 2012]
* Copyright (c) 1998-2012 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -341,14 +341,9 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
*/
if (prefix_size >= (~(png_size_t)0) - 1 ||
expanded_size >= (~(png_size_t)0) - 1 - prefix_size
#ifdef PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
|| (png_ptr->user_chunk_malloc_max &&
(prefix_size + expanded_size >= png_ptr->user_chunk_malloc_max - 1))
#else
# ifdef PNG_USER_CHUNK_MALLOC_MAX
#ifdef PNG_USER_CHUNK_MALLOC_MAX
|| ((PNG_USER_CHUNK_MALLOC_MAX > 0) &&
prefix_size + expanded_size >= PNG_USER_CHUNK_MALLOC_MAX - 1)
# endif
#endif
)
png_warning(png_ptr, "Exceeded size limit while expanding chunk");