From: itojun <itojun@openbsd.org>
Date: Thu, 16 Mar 2000 14:08:55 +0000 (+0000)
Subject: workaround against name servers which return NXDOMAIN/SERVFAIL on IPv4 only
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=6a7b5eb0f2541ec102832f30f6c61d28e195fc98;p=openbsd

workaround against name servers which return NXDOMAIN/SERVFAIL on IPv4 only
node (the srever server should return acount = 0 without error).
NetBSD PR: 9621
---

diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c
index 1038ce9d83e..8de6394a10e 100644
--- a/lib/libc/net/getaddrinfo.c
+++ b/lib/libc/net/getaddrinfo.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: getaddrinfo.c,v 1.16 2000/03/13 12:26:56 itojun Exp $	*/
+/*	$OpenBSD: getaddrinfo.c,v 1.17 2000/03/16 14:08:55 itojun Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -1545,6 +1545,7 @@ res_queryN(name, target)
 			return (n);
 		}
 		n = res_send(buf, n, answer, anslen);
+#if 0
 		if (n < 0) {
 #ifdef DEBUG
 			if (_res.options & RES_DEBUG)
@@ -1553,8 +1554,9 @@ res_queryN(name, target)
 			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)