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windowscodecs: GIF Graphic Control Extension block belongs to the image which follows it.

This commit is contained in:
Dmitry Timoshkov 2012-09-18 12:58:25 +09:00 committed by Alexandre Julliard
parent 88faba8e1a
commit 880b98bf23
1 changed files with 7 additions and 4 deletions
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11
dlls/windowscodecs/ungif.c
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@ -885,16 +885,19 @@ DGifSlurp(GifFileType * GifFile) {
case EXTENSION_RECORD_TYPE:
{
int Function;
Extensions *Extensions;
if (GifFile->ImageCount)
if (DGifGetExtension(GifFile, &Function, &ExtData) == GIF_ERROR)
return (GIF_ERROR);
if (GifFile->ImageCount || Function == GRAPHICS_EXT_FUNC_CODE)
Extensions = &temp_save;
else
Extensions = &GifFile->Extensions;
if (DGifGetExtension(GifFile, &Extensions->Function, &ExtData) ==
GIF_ERROR)
return (GIF_ERROR);
Extensions->Function = Function;
while (ExtData != NULL) {
/* Create an extension block with our data */