ddidderr/zstd-rs
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Fixed asan issue reported by Maciej Adamczyk

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This commit is contained in:
Yann Collet
2015-11-03 10:48:42 +01:00
parent 050efba81b
commit 588d1e5fa0
1 changed files with 3 additions and 2 deletions
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lib/zstd.c
+3 -2
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@@ -570,7 +570,7 @@ static size_t ZSTD_compressBlock(ZSTD_CCtx* ctx, void* dst, size_t maxDstSize, c
ZSTD_resetSeqStore(seqStorePtr); ZSTD_resetSeqStore(seqStorePtr);
/* Main Search Loop */ /* Main Search Loop */
while (ip <= ilimit) while (ip < ilimit) /* < instead of <=, because unconditionnal ZSTD_addPtr(ip+1) */
{ {
const BYTE* match = ZSTD_updateMatch(HashTable, ip, base); const BYTE* match = ZSTD_updateMatch(HashTable, ip, base);
@@ -591,7 +591,8 @@ static size_t ZSTD_compressBlock(ZSTD_CCtx* ctx, void* dst, size_t maxDstSize, c
ZSTD_addPtr(HashTable, ip+1, base); ZSTD_addPtr(HashTable, ip+1, base);
ip += matchLength + MINMATCH; ip += matchLength + MINMATCH;
anchor = ip; anchor = ip;
if (ip <= ilimit) ZSTD_addPtr(HashTable, ip-2, base); if (ip < ilimit) /* same test as loop, for speed */
ZSTD_addPtr(HashTable, ip-2, base);
} }
} }