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[libpng16] Added #ifdef PNG_USER_MEM_SUPPORTED in pngmem.c where needed.

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Glenn Randers-Pehrson 2011-12-21 18:11:51 -06:00
parent d332c67da7
commit 3c1c95399b
1 changed files with 5 additions and 0 deletions
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5
pngmem.c
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@ -72,16 +72,21 @@ png_malloc_base,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
* to implement a user memory handler. This checks to be sure it isn't
* called with big numbers.
*/
#ifdef PNG_USER_MEM_SUPPORTED
PNG_UNUSED(png_ptr)
#endif
if (size > 0 && size <= ~(size_t)0
# ifdef PNG_MAX_MALLOC_64K
&& size <= 65536U
# endif
)
{
#ifdef PNG_USER_MEM_SUPPORTED
if (png_ptr != NULL && png_ptr->malloc_fn != NULL)
return png_ptr->malloc_fn(png_ptr, size);
else
#endif
return malloc((size_t)size); /* checked for truncation above */
}