From e378582f4d04760d1195675ab034aac5d7908d8d Mon Sep 17 00:00:00 2001
From: Baptiste Fontaine <batifon@yahoo.fr>
Date: Sat, 2 May 2015 22:42:43 +0200
Subject: [PATCH] segfault fixed in pit_file_name

---
 src/db.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/db.c b/src/db.c
index 21e9734..889e931 100644
--- a/src/db.c
+++ b/src/db.c
@@ -24,7 +24,10 @@ static char *pit_file_name()
 
     if (!*file_name) {
         char *penv = getenv("PITFILE");
-        strcpy(file_name, expand_path(penv ? penv : PITFILE, file_name));
+        char *expanded = expand_path(penv ? penv : PITFILE, file_name);
+        if (expanded != file_name) {
+                strcpy(file_name, expanded);
+        }
     }
 
     return file_name;