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Change buffer check to avoid an unlikely pointer arithmetic overflow.
Originally committed as revision 18596 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -104,7 +104,7 @@ static int xan_huffman_decode(unsigned char *dest, const unsigned char *src,
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val = src[val - 0x17 + get_bits1(&gb) * byte];
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if ( val < 0x16 ) {
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if (dest + 1 > dest_end)
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if (dest >= dest_end)
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return 0;
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*dest++ = val;
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val = ival;
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