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[master] Added defineable PNG_USER_CHUNK_CACHE_MAX and PNG_USER_CHUNK_MALLOC_MAX

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Glenn Randers-Pehrson
2010-02-05 15:32:42 -06:00
parent c05538959b
commit deb870c77d
4 changed files with 49 additions and 32 deletions
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12
pngget.c
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@@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct
*
* Last changed in libpng 1.4.1 [January 28, 2010]
* Last changed in libpng 1.4.1 [February 5, 2010]
* Copyright (c) 1998-2010 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.)
@@ -880,7 +880,8 @@ png_get_compression_buffer_size(png_structp png_ptr)
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
/* These functions were added to libpng 1.2.6 */
/* These functions were added to libpng 1.2.6 and were enabled
* by default in libpng-1.4.0 */
png_uint_32 PNGAPI
png_get_user_width_max (png_structp png_ptr)
{
@@ -895,18 +896,17 @@ png_get_user_height_max (png_structp png_ptr)
png_uint_32 PNGAPI
png_get_chunk_cache_max (png_structp png_ptr)
{
return (png_ptr? (png_ptr->user_chunk_cache_max?
png_ptr->user_chunk_cache_max - 1 : 0x7fffffffL) : 0);
return (png_ptr? png_ptr->user_chunk_cache_max : 0);
}
/* This function was added to libpng 1.4.1 */
png_uint_32 PNGAPI
png_get_chunk_malloc_max (png_structp png_ptr)
{
return (png_ptr? (png_ptr->user_chunk_malloc_max?
png_ptr->user_chunk_malloc_max : 0x7fffffffL) : 0);
return (png_ptr? png_ptr->user_chunk_malloc_max : 0);
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
/* These functions were added to libpng 1.4.0 */
#ifdef PNG_IO_STATE_SUPPORTED
png_uint_32 PNGAPI
png_get_io_state (png_structp png_ptr)