crc: fix signed overflow
This fixes a signed overflow from i << 24 when i == 255 by making i unsigned. The result of the shift is already assigned to an variable of unsigned type. Signed-off-by: Mans Rullgard <mans@mansr.com>
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@ -57,7 +57,7 @@ static AVCRC av_crc_table[AV_CRC_MAX][257];
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* @return <0 on failure
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*/
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int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size){
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int i, j;
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unsigned i, j;
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uint32_t c;
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if (bits < 8 || bits > 32 || poly >= (1LL<<bits))
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