[src/trunk]: src/lib/libc/net visit all requests even if we get errors from n...

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

details:   https://anonhg.NetBSD.org/src/rev/138d9024c91f
branches:  trunk
changeset: 483706:138d9024c91f
user:      itojun <itojun%NetBSD.org@localhost>
date:      Thu Mar 16 13:51:43 2000 +0000

description:
visit all requests even if we get errors from name server.
this will solve name query failures for IPv4-only node, when
the DNS server returns SERVFAIL or NXDOMAIN (should success with an == 0).
PR: 9621

diffstat:

 lib/libc/net/getaddrinfo.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r f076b4ab0736 -r 138d9024c91f lib/libc/net/getaddrinfo.c
--- a/lib/libc/net/getaddrinfo.c        Thu Mar 16 12:40:51 2000 +0000
+++ b/lib/libc/net/getaddrinfo.c        Thu Mar 16 13:51:43 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: getaddrinfo.c,v 1.34 2000/02/22 05:47:15 itojun Exp $  */
+/*     $NetBSD: getaddrinfo.c,v 1.35 2000/03/16 13:51:43 itojun Exp $  */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -1610,6 +1610,7 @@
                        return (n);
                }
                n = res_send(buf, n, answer, anslen);
+#if 0
                if (n < 0) {
 #ifdef DEBUG
                        if (_res.options & RES_DEBUG)
@@ -1618,8 +1619,9 @@
                        h_errno = TRY_AGAIN;
                        return (n);
                }
+#endif
 
-               if (hp->rcode != NOERROR || ntohs(hp->ancount) == 0) {
+               if (n < 0 || hp->rcode != NOERROR || ntohs(hp->ancount) == 0) {
                        rcode = hp->rcode;      /* record most recent error */
 #ifdef DEBUG
                        if (_res.options & RES_DEBUG)