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

skip flush operation in case where op is NULL

Browse Source
This commit is contained in:
Danielle Rozenblit
2022-09-08 13:53:13 -07:00
parent f3ddaaddd6
commit 3d7f9a90df
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/decompress/zstd_decompress.c
+5 -4
View File
@@ -2177,23 +2177,24 @@ size_t ZSTD_decompressStream(ZSTD_DStream* zds, ZSTD_outBuffer* output, ZSTD_inB
break;
}
case zdss_flush:
{ size_t const toFlushSize = zds->outEnd - zds->outStart;
if (op != NULL) {
size_t const toFlushSize = zds->outEnd - zds->outStart;
size_t const flushedSize = ZSTD_limitCopy(op, (size_t)(oend-op), zds->outBuff + zds->outStart, toFlushSize);
op = op ? op + flushedSize : op;
op += flushedSize;
zds->outStart += flushedSize;
if (flushedSize == toFlushSize) { /* flush completed */
zds->streamStage = zdss_read;
if ( (zds->outBuffSize < zds->fParams.frameContentSize)
&& (zds->outStart + zds->fParams.blockSizeMax > zds->outBuffSize) ) {
&& (zds->outStart + zds->fParams.blockSizeMax > zds->outBuffSize) ) {
DEBUGLOG(5, "restart filling outBuff from beginning (left:%i, needed:%u)",
(int)(zds->outBuffSize - zds->outStart),
(U32)zds->fParams.blockSizeMax);
zds->outStart = zds->outEnd = 0;
}
break;
} }
}}
/* cannot complete flush */
someMoreWork = 0;
break;