From 04b08da9af0c450d645ab7389d1467308cfc2db8 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <stapelberg@debian.org>
Date: Mon, 4 Mar 2013 21:27:36 +0100
Subject: Imported Upstream version 1.1~hg20130304

---
 src/pkg/net/udpsock.go | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'src/pkg/net/udpsock.go')

diff --git a/src/pkg/net/udpsock.go b/src/pkg/net/udpsock.go
index b3520cf09..6e5e90268 100644
--- a/src/pkg/net/udpsock.go
+++ b/src/pkg/net/udpsock.go
@@ -6,10 +6,15 @@
 
 package net
 
+import "errors"
+
+var ErrWriteToConnected = errors.New("use of WriteTo with pre-connected UDP")
+
 // UDPAddr represents the address of a UDP end point.
 type UDPAddr struct {
 	IP   IP
 	Port int
+	Zone string // IPv6 scoped addressing zone
 }
 
 // Network returns the address's network name, "udp".
@@ -28,9 +33,16 @@ func (a *UDPAddr) String() string {
 // "udp4" or "udp6".  A literal IPv6 host address must be
 // enclosed in square brackets, as in "[::]:80".
 func ResolveUDPAddr(net, addr string) (*UDPAddr, error) {
-	ip, port, err := hostPortToIP(net, addr)
+	switch net {
+	case "udp", "udp4", "udp6":
+	case "": // a hint wildcard for Go 1.0 undocumented behavior
+		net = "udp"
+	default:
+		return nil, UnknownNetworkError(net)
+	}
+	a, err := resolveInternetAddr(net, addr, noDeadline)
 	if err != nil {
 		return nil, err
 	}
-	return &UDPAddr{ip, port}, nil
+	return a.(*UDPAddr), nil
 }
-- 
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