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Change matchState_t::ldmSeqStore to pointer

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senhuang42
2020-10-07 14:13:57 -04:00
parent abce708a56
commit a6165c1b28
5 changed files with 58 additions and 87 deletions
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lib/compress/zstd_ldm.c
+2 -8
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@@ -573,8 +573,6 @@ static void ZSTD_ldm_skipRawSeqStoreBytes(rawSeqStore_t* rawSeqStore, size_t nbB
if (currPos == 0 || rawSeqStore->pos == rawSeqStore->size) {
rawSeqStore->posInSequence = 0;
}
assert(rawSeqStore->posInSequence <=
rawSeqStore->seq[rawSeqStore->pos].litLength + rawSeqStore->seq[rawSeqStore->pos].matchLength);
}
size_t ZSTD_ldm_blockCompress(rawSeqStore_t* rawSeqStore,
@@ -591,20 +589,16 @@ size_t ZSTD_ldm_blockCompress(rawSeqStore_t* rawSeqStore,
/* Input positions */
BYTE const* ip = istart;
DEBUGLOG(5, "ZSTD_ldm_blockCompress: srcSize=%zu", srcSize);
/* If using opt parser, use LDMs only as candidates rather than always accepting them */
if (cParams->strategy >= ZSTD_btopt) {
size_t lastLLSize;
ms->ldmSeqStore = *rawSeqStore;
ms->ldmSeqStore = rawSeqStore;
lastLLSize = blockCompressor(ms, seqStore, rep, src, srcSize);
ZSTD_ldm_skipRawSeqStoreBytes(rawSeqStore, srcSize);
if (rawSeqStore->pos >= rawSeqStore->size) {
/* If we're done with rawSeqStore, invalidate the one in matchState as well */
ms->ldmSeqStore.size = 0;
}
return lastLLSize;
}
DEBUGLOG(5, "ZSTD_ldm_blockCompress: srcSize=%zu", srcSize);
assert(rawSeqStore->pos <= rawSeqStore->size);
assert(rawSeqStore->size <= rawSeqStore->capacity);
/* Loop through each sequence and apply the block compressor to the lits */