From 344d80206c6771e31d1ab7c4b9938dbe9257c2dd Mon Sep 17 00:00:00 2001
From: Philippe Pepiot <phil@philpep.org>
Date: Wed, 20 Jan 2010 11:38:32 +0100
Subject: [PATCH] init: fix possible segfault if HOME not set

---
 src/init.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/init.c b/src/init.c
index da90df8..69571a6 100644
--- a/src/init.c
+++ b/src/init.c
@@ -198,10 +198,18 @@ init_status(void)
 {
      int fd;
      struct stat st;
+     char *home;
 
-     status_path = emalloc(strlen(getenv("HOME")) + strlen(DEF_STATUS) + 2, sizeof(char));
+     if(!(home = getenv("HOME")))
+     {
+          warnx("HOME not set, can't launch status.sh");
+          estatus = False;
+          return;
+     }
 
-     sprintf(status_path, "%s/"DEF_STATUS, getenv("HOME"));
+     status_path = emalloc(strlen(home) + strlen(DEF_STATUS) + 2, sizeof(char));
+
+     sprintf(status_path, "%s/"DEF_STATUS, home);
 
      if(!(fd = open(status_path, O_RDONLY))
                || !fopen(status_path, "r"))