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added test of new parameter ZSTD_p_forceWindow

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This commit is contained in:
Yann Collet
2017-01-25 16:39:03 -08:00
parent bb0027405a
commit 06e7697f96
4 changed files with 10 additions and 6 deletions
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lib/compress/zstd_compress.c
+3 -3
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@@ -123,7 +123,7 @@ size_t ZSTD_setCCtxParameter(ZSTD_CCtx* cctx, ZSTD_CCtxParameter param, unsigned
{
switch(param)
{
case ZSTD_p_forceWindow : cctx->forceWindow = value; return 0;
case ZSTD_p_forceWindow : cctx->forceWindow = value>0; cctx->loadedDictEnd = 0; return 0;
default: return ERROR(parameter_unknown);
}
}
@@ -2323,7 +2323,7 @@ static size_t ZSTD_compress_generic (ZSTD_CCtx* cctx,
else cctx->nextToUpdate -= correction;
}
if ((U32)(ip+blockSize - cctx->base) > (cctx->forceWindow ? 0 : cctx->loadedDictEnd) + maxDist) {
if ((U32)(ip+blockSize - cctx->base) > cctx->loadedDictEnd + maxDist) {
/* enforce maxDist */
U32 const newLowLimit = (U32)(ip+blockSize - cctx->base) - maxDist;
if (cctx->lowLimit < newLowLimit) cctx->lowLimit = newLowLimit;
@@ -2477,7 +2477,7 @@ static size_t ZSTD_loadDictionaryContent(ZSTD_CCtx* zc, const void* src, size_t
zc->dictBase = zc->base;
zc->base += ip - zc->nextSrc;
zc->nextToUpdate = zc->dictLimit;
zc->loadedDictEnd = (U32)(iend - zc->base);
zc->loadedDictEnd = zc->forceWindow ? 0 : (U32)(iend - zc->base);
zc->nextSrc = iend;
if (srcSize <= HASH_READ_SIZE) return 0;