dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2024-11-19 20:08:28 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

pngdec: check version before using png_get_chunk_malloc_max

Browse Source 
png_get_chunk_malloc_max / png_set_chunk_malloc_max were added in 1.4.1.

Bug: webp:505, webp:497
Change-Id: Id4e0643a7734563fec7779f7943ec760da8d276d
This commit is contained in:
James Zern 2021-02-10 13:36:11 -08:00
parent 8f0d41aac0
commit 2690782292
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
imageio/pngdec.c
View File

@ -259,11 +259,14 @@ int ReadPNG(const uint8_t* const data, size_t data_size,
goto End;
}
#if LOCAL_PNG_PREREQ(1,5) || \
(LOCAL_PNG_PREREQ(1,4) && PNG_LIBPNG_VER_RELEASE >= 1)
// If it looks like the bitstream is going to need more memory than libpng's
// internal limit (default: 8M), try to (reasonably) raise it.
if (data_size > png_get_chunk_malloc_max(png) && data_size < (1u << 24)) {
png_set_chunk_malloc_max(png, data_size);
}
#endif
info = png_create_info_struct(png);
if (info == NULL) goto Error;