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| author | Yann Collet <cyan@fb.com> | 2017-11-02 22:05:45 (GMT) |
|---|---|---|
| committer | Yann Collet <cyan@fb.com> | 2017-11-02 22:05:45 (GMT) |
| commit | bd992f12e4be48b4eed48b3898153f2c80bc014b (patch) | |
| tree | 31911ac1860ca928046fdd152d4669b1eb94c892 /lib | |
| parent | 8e16eb0cd164071d3fc4c18e0f10527487649e93 (diff) | |
| download | lz4-bd992f12e4be48b4eed48b3898153f2c80bc014b.zip lz4-bd992f12e4be48b4eed48b3898153f2c80bc014b.tar.gz lz4-bd992f12e4be48b4eed48b3898153f2c80bc014b.tar.bz2 | |
searching match leading strictly farther does not work
sometimes, it's better to re-use same match but start it later,
in order to get shorter matchlength code
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/lz4opt.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/lz4opt.h b/lib/lz4opt.h index 25ceaad..1e696f9 100644 --- a/lib/lz4opt.h +++ b/lib/lz4opt.h @@ -318,7 +318,7 @@ static int LZ4HC_compress_optimal ( DEBUGLOG(7, "search at rPos:%u", cur); //nb_matches = LZ4HC_BinTree_GetAllMatches(ctx, curPtr, matchlimit, MINMATCH-1, matches, fullUpdate); nb_matches = LZ4HC_HashChain_GetAllMatches(ctx, curPtr, matchlimit, MINMATCH-1, matches, fullUpdate); - //nb_matches = LZ4HC_HashChain_GetAllMatches(ctx, curPtr, matchlimit, last_match_pos - cur + 1, matches, fullUpdate); /* only works if last_match_pos is really the last match pos */ + //nb_matches = LZ4HC_HashChain_GetAllMatches(ctx, curPtr, matchlimit, last_match_pos - cur - 1, matches, fullUpdate); /* only test matches of a minimum length */ if (!nb_matches) continue; if ( ((size_t)matches[nb_matches-1].len > sufficient_len) |