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4xm: add assert to check that the pointer from read_huffman_tables is within the array

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-26 02:05:32 +01:00
parent 53a3fdbfc5
commit d73b65ed0e
1 changed files with 2 additions and 0 deletions
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libavcodec/4xm.c
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@ -760,6 +760,8 @@ static int decode_i_frame(FourXContext *f, const uint8_t *buf, int length)
if (!prestream)
return -1;
av_assert0(prestream <= buf + length);
init_get_bits(&f->gb, buf + 4, 8 * bitstream_size);
prestream_size = length + buf - prestream;