From adec7641f02cef7fa6d252381e4d70c05bcb8d12 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <cras@irssi.org>
Date: Wed, 14 Mar 2001 22:26:00 +0000
Subject: [PATCH] net_listen() works now properly with --enable-ipv6 and a
 system that doesn't have a working IPv6 support

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1382 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 src/core/network.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/core/network.c b/src/core/network.c
index c5a4e2f1..535cdcf8 100644
--- a/src/core/network.c
+++ b/src/core/network.c
@@ -245,6 +245,15 @@ GIOChannel *net_listen(IPADDR *my_ip, int *port)
 
 	/* create the socket */
 	handle = socket(so.sin.sin_family, SOCK_STREAM, 0);
+#ifdef HAVE_IPV6
+	if (handle == -1 && errno == EINVAL) {
+		/* IPv6 is not supported by OS */
+		so.sin.sin_family = AF_INET;
+		so.sin.sin_addr.s_addr = INADDR_ANY;
+
+		handle = socket(AF_INET, SOCK_STREAM, 0);
+	}
+#endif
 	if (handle == -1)
 		return NULL;