From 3f23320a7e413c03e9363361054fd5d3c74dc016 Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@pond.sub.org>
Date: Thu, 15 Jun 2006 18:34:46 +0000
Subject: [PATCH] (tcp_listen): Don't print null host.

---
 src/lib/gen/tcp_listen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lib/gen/tcp_listen.c b/src/lib/gen/tcp_listen.c
index 093adcef..2b086035 100644
--- a/src/lib/gen/tcp_listen.c
+++ b/src/lib/gen/tcp_listen.c
@@ -160,6 +160,7 @@ tcp_listen(char *host, char *serv, size_t *addrlenp)
 static int
 cant_listen(char *host, char *serv, const char *err)
 {
-    fprintf(stderr, "Can't listen on %s:%s: %s\n", host, serv, err);
+    fprintf(stderr, "Can't listen on %s%s%s: %s\n",
+	    host ? host : "", host ? ":" : "", serv, err);
     exit(1);
 }