[libpng14] Imported from libpng-1.4.15rc02.tar

This commit is contained in:
Glenn Randers-Pehrson
2015-02-06 11:30:58 -06:00
parent 4743e9e892
commit 98c96c68c5
27 changed files with 80 additions and 76 deletions

30
png.c
View File

@@ -17,7 +17,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_4_15rc01 Your_png_h_is_not_version_1_4_15rc01;
typedef version_1_4_15rc02 Your_png_h_is_not_version_1_4_15rc02;
/* Tells libpng that we have already handled the first "num_bytes" bytes
* of the PNG file signature. If the PNG data is embedded into another
@@ -74,12 +74,16 @@ voidpf /* PRIVATE */
png_zalloc(voidpf png_ptr, uInt items, uInt size)
{
png_voidp ptr;
png_structp p=(png_structp)png_ptr;
png_uint_32 save_flags=p->flags;
png_structp p;
png_uint_32 save_flags;
png_alloc_size_t num_bytes;
if (png_ptr == NULL)
return (NULL);
p=(png_structp)png_ptr;
save_flags=p->flags;
if (items > PNG_UINT_32_MAX/size)
{
png_warning (p, "Potential overflow in png_zalloc()");
@@ -547,13 +551,13 @@ png_get_copyright(png_const_structp png_ptr)
#else
#ifdef __STDC__
return ((png_charp) PNG_STRING_NEWLINE \
"libpng version 1.4.15rc01 - February 5, 2015" PNG_STRING_NEWLINE \
"libpng version 1.4.15rc02 - February 6, 2015" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2015 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE);
#else
return ((png_charp) "libpng version 1.4.15rc01 - February 5, 2015\
return ((png_charp) "libpng version 1.4.15rc02 - February 6, 2015\
Copyright (c) 1998-2015 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");
@@ -721,14 +725,14 @@ png_check_cHRM_fixed(png_structp png_ptr,
"Ignoring attempt to set negative chromaticity value");
ret = 0;
}
if (white_x > (png_fixed_point) PNG_UINT_31_MAX ||
white_y > (png_fixed_point) PNG_UINT_31_MAX ||
red_x > (png_fixed_point) PNG_UINT_31_MAX ||
red_y > (png_fixed_point) PNG_UINT_31_MAX ||
green_x > (png_fixed_point) PNG_UINT_31_MAX ||
green_y > (png_fixed_point) PNG_UINT_31_MAX ||
blue_x > (png_fixed_point) PNG_UINT_31_MAX ||
blue_y > (png_fixed_point) PNG_UINT_31_MAX )
if (white_x >= (png_fixed_point) PNG_UINT_31_MAX ||
white_y >= (png_fixed_point) PNG_UINT_31_MAX ||
red_x >= (png_fixed_point) PNG_UINT_31_MAX ||
red_y >= (png_fixed_point) PNG_UINT_31_MAX ||
green_x >= (png_fixed_point) PNG_UINT_31_MAX ||
green_y >= (png_fixed_point) PNG_UINT_31_MAX ||
blue_x >= (png_fixed_point) PNG_UINT_31_MAX ||
blue_y >= (png_fixed_point) PNG_UINT_31_MAX )
{
png_warning(png_ptr,
"Ignoring attempt to set chromaticity value exceeding 21474.83");