From 72dabe9f72f26bda476ecf2f226d475099fe7824 Mon Sep 17 00:00:00 2001
From: Michael Cardell Widerkrantz <mc@hack.org>
Date: Mon, 1 Nov 2010 21:30:32 +0100
Subject: Checking for NULLs.

---
 list.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'list.c')

diff --git a/list.c b/list.c
index 3f5324e..ab278a1 100644
--- a/list.c
+++ b/list.c
@@ -13,6 +13,11 @@
 
 void movetohead(struct item **mainlist, struct item *item)
 {
+    if (NULL == item || NULL == mainlist || NULL == *mainlist)
+    {
+        return;
+    }
+    
     if (*mainlist == item)
     {
         /* Already at head. Do nothing. */
@@ -74,7 +79,7 @@ void delitem(struct item **mainlist, struct item *item)
 {
     struct item *ml = *mainlist;
     
-    if (NULL == mainlist)
+    if (NULL == mainlist || NULL == *mainlist || NULL == item)
     {
         return;
     }
-- 
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