From d457997b3b3ab1b79059707db89ae1dfb1d3c195 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Fri, 20 Dec 2002 04:10:03 +0000
Subject: [PATCH] AI_ADDRCONFIG is not allowed by the old getaddinfo() spec. 
 Try with then without AI_ADDRCONFIG if the former faile with BADFLAGS.

---
 lib/bind9/getaddresses.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/bind9/getaddresses.c b/lib/bind9/getaddresses.c
index 61d838f350..bc27b17fc5 100644
--- a/lib/bind9/getaddresses.c
+++ b/lib/bind9/getaddresses.c
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: getaddresses.c,v 1.12 2002/07/29 00:35:17 marka Exp $ */
+/* $Id: getaddresses.c,v 1.13 2002/12/20 04:10:03 marka Exp $ */
 
 #include <config.h>
 #include <string.h>
@@ -94,6 +94,9 @@ bind9_getaddresses(const char *hostname, in_port_t port,
 #endif
 	}
 	hints.ai_socktype = SOCK_STREAM;
+#ifdef AI_ADDRCONFIG
+ again:
+#endif
 	result = getaddrinfo(hostname, NULL, &hints, &ai);
 	switch (result) {
 	case 0:
@@ -103,6 +106,13 @@ bind9_getaddresses(const char *hostname, in_port_t port,
 	case EAI_NODATA:
 #endif
 		return (ISC_R_NOTFOUND);
+#ifdef AI_ADDRCONFIG
+	case EAI_BADFLAGS:
+		if ((hints.ai_flags & AI_ADDRCONFIG) != 0) {
+			hints.ai_flags &= ~AI_ADDRCONFIG;
+			goto again;
+		}
+#endif
 	default:
 		return (ISC_R_FAILURE);
 	}