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more compression tests

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This commit is contained in:
Yann Collet
2015-11-22 14:40:51 +01:00
parent a5c737411a
commit d7233d6e14
3 changed files with 49 additions and 18 deletions
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lib/zstd_compress.c
+5 -4
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@@ -1558,7 +1558,7 @@ size_t ZSTD_compressBlock_lazy_extDict_generic(ZSTD_CCtx* ctx,
const BYTE* const repBase = repIndex < dictLimit ? dictBase : base;
const BYTE* const repMatch = repBase + repIndex;
if ((repIndex <= dictLimit-4) || (repIndex >= dictLimit))
if (MEM_read32(ip+1) == MEM_read32(repMatch))
if (MEM_read32(ip+1) == MEM_read32(repMatch))
{
/* repcode detected we should take it */
const BYTE* const repEnd = repIndex < dictLimit ? dictEnd : iend;
@@ -1598,7 +1598,7 @@ size_t ZSTD_compressBlock_lazy_extDict_generic(ZSTD_CCtx* ctx,
const BYTE* const repBase = repIndex < dictLimit ? dictBase : base;
const BYTE* const repMatch = repBase + repIndex;
if ((repIndex <= dictLimit-4) || (repIndex >= dictLimit))
if (MEM_read32(ip) == MEM_read32(repMatch))
if (MEM_read32(ip) == MEM_read32(repMatch))
{
/* repcode detected */
size_t repLength;
@@ -1642,7 +1642,7 @@ size_t ZSTD_compressBlock_lazy_extDict_generic(ZSTD_CCtx* ctx,
const BYTE* const repBase = repIndex < dictLimit ? dictBase : base;
const BYTE* const repMatch = repBase + repIndex;
if ((repIndex <= dictLimit-4) || (repIndex >= dictLimit))
if (MEM_read32(ip) == MEM_read32(repMatch))
if (MEM_read32(ip) == MEM_read32(repMatch))
{
/* repcode detected */
size_t repLength;
@@ -1699,7 +1699,7 @@ _storeSequence:
const U32 repIndex = (U32)((ip-base) - offset_2);
const BYTE* const repBase = repIndex < dictLimit ? dictBase : base;
const BYTE* const repMatch = repBase + repIndex;
if (MEM_read32(ip) == MEM_read32(repMatch))
if (MEM_read32(ip) == MEM_read32(repMatch))
{
/* repcode detected we should take it */
const BYTE* const repEnd = repIndex < dictLimit ? dictEnd : iend;
@@ -1874,6 +1874,7 @@ size_t ZSTD_compressContinue (ZSTD_CCtx* ctxPtr,
ctxPtr->dictLimit = (U32)(ctxPtr->nextSrc - ctxPtr->base);
ctxPtr->dictBase = ctxPtr->base;
ctxPtr->base += ip - ctxPtr->nextSrc;
ctxPtr->nextToUpdate = ctxPtr->dictLimit;
}
/* input-dictionary overlap */