Avoid passing NULL as the second argument to memcpy() in fts3.

FossilOrigin-Name: 49b93d972de9649abfd6235b65dda1c9d468956671e50704afde6181ffa56dea
2017-03-20 19:35:30 +00:00
parent 6b904f5e01
commit 74869e5e52
3 changed files with 10 additions and 8 deletions
@@ -1398,7 +1398,9 @@ static int fts3InitVtab(
    char *z; 
    int n = 0;
    z = (char *)sqlite3Fts3NextToken(aCol[iCol], &n);
-    memcpy(zCsr, z, n);
+    if( n>0 ){
+      memcpy(zCsr, z, n);
+    }
    zCsr[n] = '\0';
    sqlite3Fts3Dequote(zCsr);
    p->azColumn[iCol] = zCsr;