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From 9dc78fd59cd41bf38a91518698f473f6b08205a3 Mon Sep 17 00:00:00 2001
From: localuser <localuser@localhost>
Date: Fri, 23 Sep 2011 13:46:06 +0200
Subject: [PATCH] Do not send a NULL pointer to strcmp()

This commit should fix a crash caused (according to dump) by the second argument
to strcmp() being a NULL pointer in the function go_back_for_real.

Cannot reproduce the bug, but the crash occurred when going backward in the
history.
---
 xxxterm.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/xxxterm.c b/xxxterm.c
index e16c822..a34d55f 100644
--- a/xxxterm.c
+++ b/xxxterm.c
@@ -4089,12 +4089,14 @@ go_back_for_real(struct tab *t)
 {
        int                     i;
        WebKitWebHistoryItem    *item;
+       const gchar             *uri;

        /* the back/forwars list is stupid so help selecting a different item */
        for (i = 0, item = webkit_web_back_forward_list_get_current_item(t->bfl);
            item != NULL;
            i--, item = webkit_web_back_forward_list_get_nth_item(t->bfl, i)) {
-               if (strcmp(webkit_web_history_item_get_uri(item), get_uri(t))) {
+               uri = get_uri(t);
+               if (uri && strcmp(webkit_web_history_item_get_uri(item), uri)) {
                        webkit_web_view_go_to_back_forward_item(t->wv, item);
                        break;
                }
--
1.7.3.5