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gdiplus: Avoid shift overflow in get_gif_background_color. 

Signed-off-by: Gerald Pfeifer <gerald@pfeifer.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gerald Pfeifer 2015-10-19 22:06:42 +02:00 committed by Alexandre Julliard
parent ad4057803d
commit 8f5b50d46b
1 changed files with 1 additions and 1 deletions
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2
dlls/gdiplus/image.c
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@ -3838,7 +3838,7 @@ static DWORD get_gif_background_color(GpBitmap *bitmap)
if(bitmap->prop_item[i].id == PropertyTagGlobalPalette) { if(bitmap->prop_item[i].id == PropertyTagGlobalPalette) {
if(bitmap->prop_item[i].length/3 > bgcolor_idx) { if(bitmap->prop_item[i].length/3 > bgcolor_idx) {
BYTE *color = ((BYTE*)bitmap->prop_item[i].value)+bgcolor_idx*3; BYTE *color = ((BYTE*)bitmap->prop_item[i].value)+bgcolor_idx*3;
return color[2] + (color[1]<<8) + (color[0]<<16) + (0xff<<24); return color[2] + (color[1]<<8) + (color[0]<<16) + (0xffu<<24);
} }
break; break;
} }