[sr-dev] git:master: Do not perform a lookup for IPv4 addresses, if only listening on IPv6 sockets.

[admin at sip-router.org]

Module: sip-router
Branch: master
Commit: e1b3961b16b76b02ae7ad5f52b2e9db126f81ff9
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=e1b3961b16b76b02ae7ad5f52b2e9db126f81ff9

Author: Carsten Bock <carsten at ng-voice.com>
Committer: Carsten Bock <carsten at ng-voice.com>
Date:   Tue Sep 11 19:39:32 2012 +0200

Do not perform a lookup for IPv4 addresses, if only listening on IPv6 sockets.

---

 resolve.h |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/resolve.h b/resolve.h
index 8ce68e6..eeae6c2 100644
--- a/resolve.h
+++ b/resolve.h
@@ -429,8 +429,10 @@ static inline struct hostent* _resolvehost(char* name)
 	}
 #endif
 #endif
-	/* ipv4 */
-	he=gethostbyname(name);
+	if (socket_types & SOCKET_T_IPV4) {
+		/* ipv4 */
+		he=gethostbyname(name);
+	}
 #ifdef USE_IPV6
 	if(he==0 && cfg_get(core, core_cfg, dns_try_ipv6)){
 #ifndef DNS_IP_HACK