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fixed asan warning

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This commit is contained in:
Yann Collet 2015-11-06 10:52:17 +01:00
parent 8ad12ec343
commit 805a52a773
1 changed files with 4 additions and 4 deletions
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8
lib/zstdhc.c
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@ -155,10 +155,10 @@ static size_t ZSTD_HC_resetCCtx_advanced (ZSTD_HC_CCtx* zc,
zc->workSpace = malloc(neededSpace); zc->workSpace = malloc(neededSpace);
if (zc->workSpace == NULL) return ERROR(memory_allocation); if (zc->workSpace == NULL) return ERROR(memory_allocation);
} }
zc->hashTable = (U32*)zc->workSpace; memset(zc->workSpace, 0, tableSpace );
zc->hashTable = (U32*)(zc->workSpace);
zc->contentTable = zc->hashTable + ((size_t)1 << params.hashLog); zc->contentTable = zc->hashTable + ((size_t)1 << params.hashLog);
zc->seqStore.buffer = (void*) (zc->contentTable + ((size_t)1 << contentLog)); zc->seqStore.buffer = (void*) (zc->contentTable + ((size_t)1 << contentLog));
memset(zc->hashTable, 0, tableSpace );
} }
zc->nextToUpdate = 0; zc->nextToUpdate = 0;
@ -228,7 +228,7 @@ size_t ZSTD_HC_compressBlock_fast_generic(ZSTD_HC_CCtx* ctx,
const size_t maxDist = ((size_t)1 << ctx->params.windowLog); const size_t maxDist = ((size_t)1 << ctx->params.windowLog);
const BYTE* const istart = (const BYTE*)src; const BYTE* const istart = (const BYTE*)src;
const BYTE* ip = istart + 1; const BYTE* ip = istart;
const BYTE* anchor = istart; const BYTE* anchor = istart;
const BYTE* const lowest = (size_t)(istart-base) > maxDist ? istart-maxDist : base; const BYTE* const lowest = (size_t)(istart-base) > maxDist ? istart-maxDist : base;
const BYTE* const iend = istart + srcSize; const BYTE* const iend = istart + srcSize;
@ -901,7 +901,7 @@ size_t ZSTD_HC_compressContinue (ZSTD_HC_CCtx* ctxPtr,
if (ip != ctxPtr->end) if (ip != ctxPtr->end)
{ {
if (ctxPtr->end != NULL) if (ctxPtr->end != NULL)
ZSTD_HC_resetCCtx_advanced(ctxPtr, ctxPtr->params); /* just reset, but no need to re-alloc */ ZSTD_HC_resetCCtx_advanced(ctxPtr, ctxPtr->params);
ctxPtr->base = ip; ctxPtr->base = ip;
} }