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4l: TIFF stores short strings inside tag, do not interpret it is as an offset

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Fixes issue 753

Originally committed as revision 16189 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-12-17 17:39:35 +00:00
parent 124c21d79f
commit 6a4583e925
1 changed files with 5 additions and 0 deletions
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5
libavcodec/tiff.c
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@ -176,6 +176,11 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
value = off;
buf = NULL;
break;
case TIFF_STRING:
if(count <= 4){
buf -= 4;
break;
}
default:
value = -1;
buf = start + off;