From: Martin Mares <mj@ucw.cz>
Date: Fri, 31 Dec 2010 15:13:05 +0000 (+0100)
Subject: Better network error messages
X-Git-Tag: v1.13~19
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=592b5bb55819fa8392fc5e859659e470549245d2;p=nwho.git

Better network error messages
---

diff --git a/nwhod.c b/nwhod.c
index 05e73a9..1881c98 100644
--- a/nwhod.c
+++ b/nwhod.c
@@ -65,19 +65,19 @@ net_init(char *name)
 
   sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
   if (sock < 0)
-    die("socket: %m");
+    die("Cannot create socket: %m");
 
   sa.sin_family = AF_INET;
   sa.sin_port = port = htons(NWHO_PORT);
   sa.sin_addr.s_addr = INADDR_ANY;
   if (bind(sock, (struct sockaddr *) &sa, sizeof(sa)) < 0)
-    die("bind: %m");
+    die("Cannot bind to UDP port %d: %m", NWHO_PORT);
 
   if (h)
     {
       memcpy(&sa.sin_addr.s_addr, h->h_addr, sizeof(sa.sin_addr.s_addr));
       if (connect(sock, (struct sockaddr *) &sa, sizeof(sa)) < 0)
-	die("connect: %m");
+	die("Cannot connect socket: %m");
     }
 }