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fixed LZ4HC_reverseCountPattern()

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for multi-bytes patterns
(which is not useful for the time being)
This commit is contained in:
Yann Collet 2017-11-07 17:58:59 -08:00
parent 897f5e9834
commit b07d36245a
1 changed files with 5 additions and 6 deletions
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11
lib/lz4hc.c
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@ -173,12 +173,11 @@ static unsigned LZ4HC_reverseCountPattern(const BYTE* ip, const BYTE* const iLow
if (LZ4_read32(ip-4) != pattern) break;
ip -= 4;
}
while (likely(ip>iLow)) {
const BYTE* bytePtr = (const BYTE*)(&pattern) + 3; /* works for any endianess */
if (ip[-1] != *bytePtr) break;
ip--; bytePtr--;
}
{ const BYTE* bytePtr = (const BYTE*)(&pattern) + 3; /* works for any endianess */
while (likely(ip>iLow)) {
if (ip[-1] != *bytePtr) break;
ip--; bytePtr--;
} }
return (unsigned)(iStart - ip);
}