sync paramgrill with HC starting at level 2

2015-10-29 17:08:03 +01:00
parent 2acb5d3d48
commit 71bcdb5c1f
4 changed files with 40 additions and 35 deletions
@@ -439,6 +439,11 @@ size_t ZSTD_HC_compress_advanced (ZSTD_HC_CCtx* ctx,
    BYTE* const ostart = (BYTE*)dst;
    BYTE* op = ostart;

+    /* correct params, to use less memory */
+    U32 srcLog = ZSTD_highbit((U32)srcSize-1) + 1;
+    if (params.windowLog > srcLog) params.windowLog = srcLog;
+    if (params.chainLog > srcLog) params.chainLog = srcLog;
+
    /* Header */
    size_t oSize = ZSTD_HC_compressBegin_advanced(ctx, dst, maxDstSize, params);
    if(ZSTD_isError(oSize)) return oSize;