Check if dict is empty before reading first byte

2016-10-17 11:46:03 -07:00
parent 2b361cf2f1
commit ccfcc643da
8 changed files with 25 additions and 8 deletions
@@ -1607,10 +1607,12 @@ static size_t HUF_readStats(BYTE* huffWeight, size_t hwSize, U32* rankStats,
    U32 weightTotal;
    U32 tableLog;
    const BYTE* ip = (const BYTE*) src;
-    size_t iSize = ip[0];
+    size_t iSize;
    size_t oSize;
    U32 n;

+    if (!srcSize) return ERROR(srcSize_wrong);
+    iSize = ip[0];
    //memset(huffWeight, 0, hwSize);   /* is not necessary, even though some analyzer complain ... */

    if (iSize >= 128)  /* special header */