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Flesh out required args for ldm_handleLdm()

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This commit is contained in:
senhuang42 2020-09-26 11:59:07 -04:00
parent db70761032
commit 634ab7830d
1 changed files with 16 additions and 5 deletions
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21
lib/compress/zstd_opt.c
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@ -768,12 +768,14 @@ FORCE_INLINE_TEMPLATE U32 ZSTD_BtGetAllMatches (
* LDM util functions
*********************************/
static int ldm_splitSequence() {
// The only function that can update pos (i think, for now)
static int ldm_splitSequence(rawSeqStore_t* ldmSeqStore, U32 remainingBytes) {
rawSeq currSeq = ldmSeqStore->seq[ldmSeqStore->pos];
}
/* Returns 1 if the rest of the block is just LDM literals */
static int ldm_getNextMatch() {
static int ldm_getNextMatch(U32* matchStartPosInBlock, U32* matchEndPosInBlock, U32 remainingBytes) {
int ret = ldm_splitSequence();
}
@ -788,8 +790,13 @@ static void ldm_maybeUpdateSeqStoreReadPos() {
}
/* Wrapper function to call ldm functions as needed */
static void ldm_handleLdm(int* nbMatches) {
int noMoreLdms = getNextMatch();
static void ldm_handleLdm(ZSTD_match_t* matches, int* nbMatches,
U32* matchStartPosInBlock, U32* matchEndPosInBlock,
U32 currPosInBlock, U32 remainingBytes) {
if (currPosInBlock >= matchEndPosInBlock) {
int noMoreLdms = ldm_getNextMatch(matchStartPosInBlock, matchEndPosInBlock, remainingBytes);
}
ldm_maybeAddLdm(matches, currPosInBlock, matchStartPosInBlock, matchEndPosInBlock);
}
@ -846,6 +853,10 @@ ZSTD_compressBlock_opt_generic(ZSTD_matchState_t* ms,
ZSTD_match_t* const matches = optStatePtr->matchTable;
ZSTD_optimal_t lastSequence;
U32 matchStartPosInBlock = 0;
U32 matchEndPosInBlock = 0;
ldm_getNextMatch(matchStartPosInBlock, matchEndPosInBlock, (U32)(iend - ip));
/* init */
DEBUGLOG(5, "ZSTD_compressBlock_opt_generic: current=%u, prefix=%u, nextToUpdate=%u",
(U32)(ip - base), ms->window.dictLimit, ms->nextToUpdate);
@ -976,7 +987,7 @@ ZSTD_compressBlock_opt_generic(ZSTD_matchState_t* ms,
U32 const basePrice = previousPrice + ZSTD_litLengthPrice(0, optStatePtr, optLevel);
U32 const nbMatches = ZSTD_BtGetAllMatches(matches, ms, &nextToUpdate3, inr, iend, dictMode, opt[cur].rep, ll0, minMatch);
U32 matchNb;
ldm_handleLdm(&nbMatches);
if (!nbMatches) {
DEBUGLOG(7, "rPos:%u : no match found", cur);