ddidderr/zstd-rs
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Add support for repcodes

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This commit is contained in:
senhuang42
2020-11-16 10:49:16 -05:00
parent 3e930fd044
commit 89f3848310
2 changed files with 8 additions and 1 deletions
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lib/compress/zstd_compress.c
+4
View File
@@ -4505,7 +4505,11 @@ static size_t ZSTD_copySequencesToSeqStore(ZSTD_CCtx* zc,
U32 offCode = inSeqs[idx].offset + ZSTD_REP_MOVE; U32 offCode = inSeqs[idx].offset + ZSTD_REP_MOVE;
RETURN_ERROR_IF(matchLength < MINMATCH, corruption_detected, "Matchlength too small!"); RETURN_ERROR_IF(matchLength < MINMATCH, corruption_detected, "Matchlength too small!");
DEBUGLOG(7, "Seqstore idx: %zu, seq: (ll: %u, ml: %u, of: %u)", idx, litLength, matchLength, offCode); DEBUGLOG(7, "Seqstore idx: %zu, seq: (ll: %u, ml: %u, of: %u)", idx, litLength, matchLength, offCode);
if (inSeqs[idx].rep) {
ZSTD_storeSeq(&zc->seqStore, litLength, ip, iend, inSeqs[idx].rep - 1, matchLength - MINMATCH);
} else {
ZSTD_storeSeq(&zc->seqStore, litLength, ip, iend, offCode, matchLength - MINMATCH); ZSTD_storeSeq(&zc->seqStore, litLength, ip, iend, offCode, matchLength - MINMATCH);
}
ip += matchLength + litLength; ip += matchLength + litLength;
} }
lib/compress/zstd_compress_internal.h
+3
View File
@@ -497,6 +497,9 @@ static void ZSTD_safecopyLiterals(BYTE* op, BYTE const* ip, BYTE const* const ie
HINT_INLINE UNUSED_ATTR HINT_INLINE UNUSED_ATTR
void ZSTD_storeSeq(seqStore_t* seqStorePtr, size_t litLength, const BYTE* literals, const BYTE* litLimit, U32 offCode, size_t mlBase) void ZSTD_storeSeq(seqStore_t* seqStorePtr, size_t litLength, const BYTE* literals, const BYTE* litLimit, U32 offCode, size_t mlBase)
{ {
if (offCode <= 3) {
printf("of: %u ml: %u ll: %u\n", offCode, mlBase, litLength);
}
BYTE const* const litLimit_w = litLimit - WILDCOPY_OVERLENGTH; BYTE const* const litLimit_w = litLimit - WILDCOPY_OVERLENGTH;
BYTE const* const litEnd = literals + litLength; BYTE const* const litEnd = literals + litLength;
#if defined(DEBUGLEVEL) && (DEBUGLEVEL >= 6) #if defined(DEBUGLEVEL) && (DEBUGLEVEL >= 6)