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Unconditionally Clear dictCtx

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This commit is contained in:
W. Felix Handte 2019-07-18 13:35:12 -04:00
parent 369fb3900c
commit 40943ba0c9
1 changed files with 3 additions and 5 deletions
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8
lib/lz4hc.c
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@ -998,11 +998,6 @@ static void LZ4HC_setExternalDict(LZ4HC_CCtx_internal* ctxPtr, const BYTE* newBl
if (ctxPtr->end >= ctxPtr->base + ctxPtr->dictLimit + 4)
LZ4HC_Insert (ctxPtr, ctxPtr->end-3); /* Referencing remaining dictionary content */
/* cannot reference an extDict and a dictCtx at the same time */
if (ctxPtr->dictCtx != NULL) {
ctxPtr->dictCtx = NULL;
}
/* Only one memory segment for extDict, so any previous extDict is lost at this stage */
ctxPtr->lowLimit = ctxPtr->dictLimit;
ctxPtr->dictLimit = (U32)(ctxPtr->end - ctxPtr->base);
@ -1010,6 +1005,9 @@ static void LZ4HC_setExternalDict(LZ4HC_CCtx_internal* ctxPtr, const BYTE* newBl
ctxPtr->base = newBlock - ctxPtr->dictLimit;
ctxPtr->end = newBlock;
ctxPtr->nextToUpdate = ctxPtr->dictLimit; /* match referencing will resume from there */
/* cannot reference an extDict and a dictCtx at the same time */
ctxPtr->dictCtx = NULL;
}
static int LZ4_compressHC_continue_generic (LZ4_streamHC_t* LZ4_streamHCPtr,