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[libpng17] Clean up USER_LIMITS feature, removing members from png_struct

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when not required.
This commit is contained in:
John Bowler
2012-12-14 22:56:00 -06:00
committed by Glenn Randers-Pehrson
parent 240ac287eb
commit eac85878bf
7 changed files with 67 additions and 60 deletions
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28
pngset.c
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@@ -1524,24 +1524,19 @@ png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
* rejected by png_set_IHDR(). To accept any PNG datastream
* regardless of dimensions, set both limits to 0x7ffffffL.
*/
if (png_ptr == NULL)
return;
png_ptr->user_width_max = user_width_max;
png_ptr->user_height_max = user_height_max;
if (png_ptr != NULL)
{
png_ptr->user_width_max = user_width_max;
png_ptr->user_height_max = user_height_max;
}
}
/* This function was added to libpng 1.4.0 */
void PNGAPI
png_set_chunk_cache_max (png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
{
# ifdef PNG_READ_SUPPORTED
if (png_ptr)
png_ptr->user_chunk_cache_max = user_chunk_cache_max;
# else
PNG_UNUSED(png_ptr)
PNG_UNUSED(user_chunk_cache_max)
# endif
if (png_ptr != NULL)
png_ptr->user_chunk_cache_max = user_chunk_cache_max;
}
/* This function was added to libpng 1.4.1 */
@@ -1549,13 +1544,8 @@ void PNGAPI
png_set_chunk_malloc_max (png_structrp png_ptr,
png_alloc_size_t user_chunk_malloc_max)
{
# ifdef PNG_READ_SUPPORTED
if (png_ptr)
png_ptr->user_chunk_malloc_max = user_chunk_malloc_max;
# else
PNG_UNUSED(png_ptr)
PNG_UNUSED(user_chunk_malloc_max)
# endif
if (png_ptr != NULL)
png_ptr->user_chunk_malloc_max = user_chunk_malloc_max;
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */