* dvblast.c: Check if a config file has been given.

git-svn-id: svn://svn.videolan.org/dvblast/trunk@29 55d3f8b6-4a41-4d2d-a900-313d1436a5b8

dvblast.c

@@ -70,6 +70,12 @@ static void ReadConfiguration( char *psz_file )
     char psz_line[2048];
     int i;
 
+    if ( psz_file == NULL )
+    {
+        msg_Err( NULL, "no config file" );
+        return;
+    }
+
     if ( (p_file = fopen( psz_file, "r" )) == NULL )
     {
         msg_Err( NULL, "can't fopen config file %s", psz_file );