From 619e7a2c8ba19d0dc45467e29d9d9aa8b3506ac8 Mon Sep 17 00:00:00 2001
From: Fabio Alessandrelli
Date: Wed, 18 Jan 2017 17:17:44 +0100
Subject: Bind to IPv4 on OpenBSD when using wildcard

OpenBSD does not support binding on both IPv4 and IPv6 using the same socket
---
 drivers/unix/packet_peer_udp_posix.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'drivers/unix/packet_peer_udp_posix.cpp')

diff --git a/drivers/unix/packet_peer_udp_posix.cpp b/drivers/unix/packet_peer_udp_posix.cpp
index fdd1164fb..88293fc51 100644
--- a/drivers/unix/packet_peer_udp_posix.cpp
+++ b/drivers/unix/packet_peer_udp_posix.cpp
@@ -129,7 +129,11 @@ Error PacketPeerUDPPosix::listen(int p_port, IP_Address p_bind_address, int p_re
 	ERR_FAIL_COND_V(sockfd!=-1,ERR_ALREADY_IN_USE);
 	ERR_FAIL_COND_V(!p_bind_address.is_valid() && !p_bind_address.is_wildcard(),ERR_INVALID_PARAMETER);
 
+#ifdef __OpenBSD__
+	sock_type = IP::TYPE_IPV4; // OpenBSD does not support dual stacking, fallback to IPv4 only.
+#else
 	sock_type = IP::TYPE_ANY;
+#endif
 
 	if(p_bind_address.is_valid())
 		sock_type = p_bind_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
-- 
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