lib/zstd
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fixed strict-aliasing warning on gcc6

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This commit is contained in:
Yann Collet
2016-06-22 13:15:53 +02:00
parent 23042929da
commit 3755eb8fea
3 changed files with 11 additions and 7 deletions
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15
lib/compress/zstd_compress.c
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@@ -295,7 +295,7 @@ static size_t ZSTD_resetCCtx_advanced (ZSTD_CCtx* zc,
zc->seqStore.buffer = zc->hashTable3 + h3Size;
zc->hufTable = (HUF_CElt*)zc->seqStore.buffer;
zc->flagStaticTables = 0;
zc->seqStore.buffer = ((U32*)(zc->seqStore.buffer)) + 256;
zc->seqStore.buffer = ((U32*)(zc->seqStore.buffer)) + 256; /* note : HUF_CElt* is incomplete type, size is simulated using U32 */
zc->nextToUpdate = 1;
zc->nextSrc = NULL;
@@ -313,14 +313,17 @@ static size_t ZSTD_resetCCtx_advanced (ZSTD_CCtx* zc,
zc->seqStore.litLengthFreq = zc->seqStore.litFreq + (1<<Litbits);
zc->seqStore.matchLengthFreq = zc->seqStore.litLengthFreq + (MaxLL+1);
zc->seqStore.offCodeFreq = zc->seqStore.matchLengthFreq + (MaxML+1);
zc->seqStore.matchTable = (ZSTD_match_t*)((void*)(zc->seqStore.offCodeFreq + (MaxOff+1)));
zc->seqStore.priceTable = (ZSTD_optimal_t*)((void*)(zc->seqStore.matchTable + ZSTD_OPT_NUM+1));
zc->seqStore.buffer = zc->seqStore.offCodeFreq + (MaxOff+1);
zc->seqStore.matchTable = (ZSTD_match_t*)zc->seqStore.buffer;
zc->seqStore.buffer = zc->seqStore.matchTable + ZSTD_OPT_NUM+1;
zc->seqStore.priceTable = (ZSTD_optimal_t*)zc->seqStore.buffer;
zc->seqStore.buffer = zc->seqStore.priceTable + ZSTD_OPT_NUM+1;
zc->seqStore.litLengthSum = 0;
}
zc->seqStore.offsetStart = (U32*) (zc->seqStore.buffer);
zc->seqStore.litLengthStart = (U16*) (void*)(zc->seqStore.offsetStart + maxNbSeq);
zc->seqStore.matchLengthStart = (U16*) (void*)(zc->seqStore.litLengthStart + maxNbSeq);
zc->seqStore.offsetStart = (U32*)(zc->seqStore.buffer);
zc->seqStore.buffer = zc->seqStore.offsetStart + maxNbSeq;
zc->seqStore.litLengthStart = (U16*)zc->seqStore.buffer;
zc->seqStore.matchLengthStart = zc->seqStore.litLengthStart + maxNbSeq;
zc->seqStore.llCodeStart = (BYTE*) (zc->seqStore.matchLengthStart + maxNbSeq);
zc->seqStore.mlCodeStart = zc->seqStore.llCodeStart + maxNbSeq;
zc->seqStore.offCodeStart = zc->seqStore.mlCodeStart + maxNbSeq;