From 14ad87900ea7a286a2b1319f8a19df6b3736d42e Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Fri, 30 Sep 2016 09:21:50 +0200
Subject: add error handling for hostname

---
 dyndhcpd.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dyndhcpd.c b/dyndhcpd.c
index bee300a..a9283a0 100644
--- a/dyndhcpd.c
+++ b/dyndhcpd.c
@@ -107,8 +107,13 @@ int main(int argc, char ** argv) {
 		goto out;
 	}
 
+	/* get the hostname */
+	if (gethostname(hostname, HOST_NAME_MAX) == -1) {
+		fprintf(stderr, "Failed to get the hostname.\n");
+		goto out;
+	}
+
 	/* get the domainname */
-	gethostname(hostname, HOST_NAME_MAX);
 	hp = gethostbyname(hostname);
 	if ((domainname = strchr(hp->h_name, '.')) != NULL)
 		domainname++;
-- 
cgit v1.2.3-70-g09d2