opt: init statistics from dictionary

instead of starting from fake "default" statistics.
2018-05-10 17:59:12 -07:00
parent 74b1c75d64
commit 1a26ec6e8d
4 changed files with 87 additions and 23 deletions
@@ -2396,7 +2396,8 @@ static size_t ZSTD_loadZstdDictionary(ZSTD_compressedBlockState_t* bs,
        if (FSE_isError(offcodeHeaderSize)) return ERROR(dictionary_corrupted);
        if (offcodeLog > OffFSELog) return ERROR(dictionary_corrupted);
        /* Defer checking offcodeMaxValue because we need to know the size of the dictionary content */
-        CHECK_E( FSE_buildCTable_wksp(bs->entropy.offcodeCTable, offcodeNCount, offcodeMaxValue, offcodeLog, workspace, HUF_WORKSPACE_SIZE),
+        /* fill all offset symbols to avoid garbage at end of table */
+        CHECK_E( FSE_buildCTable_wksp(bs->entropy.offcodeCTable, offcodeNCount, MaxOff, offcodeLog, workspace, HUF_WORKSPACE_SIZE),
                 dictionary_corrupted);
        dictPtr += offcodeHeaderSize;
    }