dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-02-13 07:22:52 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

dec/vp8l: prevent signed int overflow in left shift ops

Browse Source 
force unsigned when shifting by 24.

Change-Id: I6f9ca5fa2109e59b1d46a909136384fc6dc8ca0b
This commit is contained in:
James Zern 2014-04-29 19:54:56 +00:00
parent 38e2db3e16
commit e69a1df4b7
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/dec/vp8l.c
View File

@ -851,7 +851,7 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data,
VP8LFillBitWindow(br);
blue = ReadSymbol(&htree_group->htrees_[BLUE], br);
alpha = ReadSymbol(&htree_group->htrees_[ALPHA], br);
*src = (alpha << 24) | (red << 16) | (green << 8) | blue;
*src = ((uint32_t)alpha << 24) | (red << 16) | (green << 8) | blue;
AdvanceByOne:
++src;
++col;