From: Brendan Cully <brendan@kublai.com>
Date: Sun, 11 Jan 2009 05:43:53 +0000 (-0800)
Subject: Guard against NULL pointers in imap_mxcmp
X-Git-Tag: mutt-1-5-20-rel~213
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0800e4eb3df7244aff4d86c43488d1f3503dfc83;p=mutt

Guard against NULL pointers in imap_mxcmp
---

diff --git a/imap/util.c b/imap/util.c
index ebf4237f..5aff9bdc 100644
--- a/imap/util.c
+++ b/imap/util.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (C) 1996-8 Michael R. Elkins <me@mutt.org>
  * Copyright (C) 1996-9 Brandon Long <blong@fiction.net>
- * Copyright (C) 1999-2008 Brendan Cully <brendan@kublai.com>
+ * Copyright (C) 1999-2009 Brendan Cully <brendan@kublai.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
@@ -270,6 +270,10 @@ int imap_mxcmp (const char* mx1, const char* mx2)
   char* b2;
   int rc;
 
+  if (!mx1)
+    return -1;
+  if (!mx2)
+    return 1;
   if (!ascii_strcasecmp (mx1, "INBOX") && !ascii_strcasecmp (mx2, "INBOX"))
     return 0;