terminate the input buffer on failure in print_host()

diff --git a/usr.sbin/relayd/log.c b/usr.sbin/relayd/log.c
index e9cd8cf..b5cf7e8 100644 (file)
--- a/usr.sbin/relayd/log.c
+++ b/usr.sbin/relayd/log.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: log.c,v 1.12 2008/07/17 15:10:14 reyk Exp $   */
+/*     $OpenBSD: log.c,v 1.13 2008/07/18 12:26:52 reyk Exp $   */
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -220,8 +220,10 @@ const char *
 print_host(struct sockaddr_storage *ss, char *buf, size_t len)
 {
        if (getnameinfo((struct sockaddr *)ss, ss->ss_len,
-           buf, len, NULL, 0, NI_NUMERICHOST) != 0)
+           buf, len, NULL, 0, NI_NUMERICHOST) != 0) {
+               buf[0] = '\0';
                return (NULL);
+       }
        return (buf);
 }