From 9de26ea193728ea08a3a90513bd7936be3101a37 Mon Sep 17 00:00:00 2001
From: mikeos <mike.osipov@gmail.com>
Date: Thu, 31 Jan 2013 01:23:33 +0400
Subject: add commandline options

---
 xwrap.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'xwrap.c')

diff --git a/xwrap.c b/xwrap.c
index fe158f5..e2db116 100644
--- a/xwrap.c
+++ b/xwrap.c
@@ -17,7 +17,11 @@ char *xstrdup(const char *s)
 {
 	int len;
 
+	if (s == NULL)
+		return NULL;
+
 	len = strlen(s) + 1;
+
 	return memcpy(xmalloc(len), s, len);
 }
 
-- 
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