[src/trunk]: src/lib/libc/net besure to check getnameinfo() return value. (d...

[itojun <itojun%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cf34254d3418
branches:  trunk
changeset: 487855:cf34254d3418
user:      itojun <itojun%NetBSD.org@localhost>
date:      Wed Jun 14 01:52:41 2000 +0000

description:
besure to check getnameinfo() return value.  (debugging code)

diffstat:

 lib/libc/net/res_send.c |  11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diffs (33 lines):

diff -r e8618ec0ead0 -r cf34254d3418 lib/libc/net/res_send.c
--- a/lib/libc/net/res_send.c   Wed Jun 14 00:34:33 2000 +0000
+++ b/lib/libc/net/res_send.c   Wed Jun 14 01:52:41 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: res_send.c,v 1.27 2000/04/26 10:55:53 itojun Exp $     */
+/*     $NetBSD: res_send.c,v 1.28 2000/06/14 01:52:41 itojun Exp $     */
 
 /*-
  * Copyright (c) 1985, 1989, 1993
@@ -59,7 +59,7 @@
 static char sccsid[] = "@(#)res_send.c 8.1 (Berkeley) 6/4/93";
 static char rcsid[] = "Id: res_send.c,v 8.13 1997/06/01 20:34:37 vixie Exp ";
 #else
-__RCSID("$NetBSD: res_send.c,v 1.27 2000/04/26 10:55:53 itojun Exp $");
+__RCSID("$NetBSD: res_send.c,v 1.28 2000/06/14 01:52:41 itojun Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -143,9 +143,12 @@
        int save = errno;
 
        if (_res.options & RES_DEBUG) {
-               getnameinfo(address, (size_t)address->sa_len, abuf,
+               if (getnameinfo(address, (size_t)address->sa_len, abuf,
                    sizeof(abuf), pbuf, sizeof(pbuf),
-                   NI_NUMERICHOST|NI_NUMERICSERV|NI_WITHSCOPEID);
+                   NI_NUMERICHOST|NI_NUMERICSERV|NI_WITHSCOPEID) != 0) {
+                       strcpy(abuf, "?");
+                       strcpy(pbuf, "?");
+               }
                fprintf(file, "res_send: %s ([%s].%s): %s\n",
                        string, abuf, pbuf, strerror(error));
        }