From 0daa92cc578f178f62adc2485f9b18d774c2f27d Mon Sep 17 00:00:00 2001
From: Sascha Kruse <knopwob@googlemail.com>
Date: Thu, 14 Jun 2012 15:17:15 +0200
Subject: [PATCH] don't segfault if XDG_CONFIG_HOME is not set

---
 dunst.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dunst.c b/dunst.c
index ae4be05..ea36251 100644
--- a/dunst.c
+++ b/dunst.c
@@ -837,6 +837,7 @@ parse_dunstrc(void) {
     rule_t *last_rule;
     rule_t *new_rule;
     char *key;
+    char *config_path = NULL;
 
     int nsec = 0;
     int i;
@@ -848,7 +849,16 @@ parse_dunstrc(void) {
     if (config_file == NULL) {
         config_file = malloc(sizeof(char) * BUFSIZ);
         memset(config_file, '\0', BUFSIZ);
-        strcat(config_file, getenv("XDG_CONFIG_HOME"));
+
+        config_path = getenv("XDG_CONFIG_HOME");
+
+        if (!config_path) {
+            puts("no dunstrc found -> skipping\n");
+            return;
+        }
+
+
+        strcat(config_file, config_path);
         strcat(config_file, "/");
         strcat(config_file, "dunstrc");
     }