ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Clear the Dictionary When Sliding the Window

Browse Source
This commit is contained in:
W. Felix Handte
2018-05-23 17:53:03 -04:00
parent b05ae9b608
commit 3ba70cc759
3 changed files with 12 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/compress/zstd_compress.c
+3 -1
View File
@@ -1240,6 +1240,7 @@ static size_t ZSTD_resetCCtx_usingCDict(ZSTD_CCtx* cctx,
- cdict->matchState.window.base);
ZSTD_window_clear(&cctx->blockState.matchState.window);
}
cctx->blockState.matchState.loadedDictEnd = cctx->blockState.matchState.window.dictLimit;
} else {
DEBUGLOG(4, "copying dictionary into context");
/* copy tables */
@@ -2313,8 +2314,9 @@ static size_t ZSTD_compress_frameChunk (ZSTD_CCtx* cctx,
if (ms->nextToUpdate < correction) ms->nextToUpdate = 0;
else ms->nextToUpdate -= correction;
ms->loadedDictEnd = 0;
ms->dictMatchState = NULL;
}
ZSTD_window_enforceMaxDist(&ms->window, ip + blockSize, maxDist, &ms->loadedDictEnd);
ZSTD_window_enforceMaxDist(&ms->window, ip + blockSize, maxDist, &ms->loadedDictEnd, &ms->dictMatchState);
if (ms->nextToUpdate < ms->window.lowLimit) ms->nextToUpdate = ms->window.lowLimit;
{ size_t cSize = ZSTD_compressBlock_internal(cctx,