Checking return value of gethostbyname.

1 files changed, 6 insertions, 0 deletions

diff --git a/hugin_syslog.c b/hugin_syslog.c
index 9c705ca..b4e5ceb 100644
--- a/hugin_syslog.c
+++ b/hugin_syslog.c
@@ -103,6 +103,12 @@ void hug_syslog_init(const char* host, int port)
   hug_syslog_sockaddr.sin_family = AF_INET;
 //  hug_syslog_sockaddr.sin_addr.s_addr = inet_addr(host);
   struct hostent *hp = gethostbyname(host);
+  
+  if(!hp) { 
+    fprintf(stderr, "Failed to get host by name\n"); 
+    return;
+  }
+
   memcpy(&(hug_syslog_sockaddr.sin_addr),*(hp->h_addr_list),sizeof(struct in_addr));
   hug_syslog_sockaddr.sin_port = htons(port);