optim list_length

diff --git a/src/list.c b/src/list.c
index 76a37e6..20e1858 100644 (file)
--- a/src/list.c
+++ b/src/list.c
@@ -1,21 +1,21 @@
 /*
-    Copyright (C) 2011 jeanfi@gmail.com
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-    02110-1301 USA
-*/
+ * Copyright (C) 2011 jeanfi@gmail.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
 
 #include <stdlib.h>
 #include <string.h>
@@ -26,8 +26,11 @@ int list_length(void **list)
 {
        int n;
 
+       if (!list)
+               return 0;
+
        n = 0;
-       while (list && *list) {
+       while (*list) {
                list++;
                n++;
        }