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Imported from pngcrush-1.5.8.tar

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This commit is contained in:
Glenn Randers-Pehrson
2001-12-12 18:01:38 -06:00
parent f671d863fe
commit 2eb0852fd6
22 changed files with 323 additions and 208 deletions
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27
png.c
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@@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
* libpng version 1.2.0 - September 1, 2001
* libpng version 1.2.1 - December 12, 2001
* Copyright (c) 1998-2001 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.)
@@ -13,14 +13,14 @@
#include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_0 Your_png_h_is_not_version_1_2_0;
typedef version_1_2_1 Your_png_h_is_not_version_1_2_1;
/* Version information for C files. This had better match the version
* string defined in png.h. */
#ifdef PNG_USE_GLOBAL_ARRAYS
/* png_libpng_ver was changed to a function in version 1.0.5c */
const char png_libpng_ver[18] = "1.2.0";
const char png_libpng_ver[18] = "1.2.1";
/* png_sig was changed to a function in version 1.0.5c */
/* Place to hold the signature string for a PNG file. */
@@ -212,14 +212,13 @@ png_create_info_struct(png_structp png_ptr)
png_debug(1, "in png_create_info_struct\n");
if(png_ptr == NULL) return (NULL);
#ifdef PNG_USER_MEM_SUPPORTED
if ((info_ptr = (png_infop)png_create_struct_2(PNG_STRUCT_INFO,
png_ptr->malloc_fn, png_ptr->mem_ptr)) != NULL)
info_ptr = (png_infop)png_create_struct_2(PNG_STRUCT_INFO,
png_ptr->malloc_fn, png_ptr->mem_ptr);
#else
if ((info_ptr = (png_infop)png_create_struct(PNG_STRUCT_INFO)) != NULL)
info_ptr = (png_infop)png_create_struct(PNG_STRUCT_INFO);
#endif
{
if (info_ptr != NULL)
png_info_init_3(&info_ptr, sizeof(png_info));
}
return (info_ptr);
}
@@ -248,7 +247,7 @@ png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr)
#else
png_destroy_struct((png_voidp)info_ptr);
#endif
*info_ptr_ptr = (png_infop)NULL;
*info_ptr_ptr = NULL;
}
}
@@ -551,7 +550,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr)
if (png_ptr->num_chunk_list)
{
png_free(png_ptr, png_ptr->chunk_list);
png_ptr->chunk_list=(png_bytep)NULL;
png_ptr->chunk_list=NULL;
png_ptr->num_chunk_list=0;
}
#endif
@@ -646,7 +645,7 @@ png_charp PNGAPI
png_get_copyright(png_structp png_ptr)
{
if (png_ptr != NULL || png_ptr == NULL) /* silence compiler warning */
return ((png_charp) "\n libpng version 1.2.0 - September 1, 2001\n\
return ((png_charp) "\n libpng version 1.2.1 - December 12, 2001\n\
Copyright (c) 1998-2001 Glenn Randers-Pehrson\n\
Copyright (c) 1996, 1997 Andreas Dilger\n\
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.\n");
@@ -664,8 +663,8 @@ png_get_libpng_ver(png_structp png_ptr)
{
/* Version of *.c files used when building libpng */
if(png_ptr != NULL) /* silence compiler warning about unused png_ptr */
return((png_charp) "1.2.0");
return((png_charp) "1.2.0");
return((png_charp) "1.2.1");
return((png_charp) "1.2.1");
}
png_charp PNGAPI
@@ -715,7 +714,7 @@ png_uint_32 PNGAPI
png_access_version_number(void)
{
/* Version of *.c files used when building libpng */
return((png_uint_32) 10200L);
return((png_uint_32) 10201L);
}