Imported Upstream version 1.1~hg20130323upstream/1.1_hg20130323

1 files changed, 9 insertions, 5 deletions

diff --git a/src/pkg/net/udpsock.go b/src/pkg/net/udpsock.go
index 6e5e90268..277050606 100644
--- a/src/pkg/net/udpsock.go
+++ b/src/pkg/net/udpsock.go
@@ -24,14 +24,18 @@ func (a *UDPAddr) String() string {
 	if a == nil {
 		return "<nil>"
 	}
+	if a.Zone != "" {
+		return JoinHostPort(a.IP.String()+"%"+a.Zone, itoa(a.Port))
+	}
 	return JoinHostPort(a.IP.String(), itoa(a.Port))
 }
 
-// ResolveUDPAddr parses addr as a UDP address of the form
-// host:port and resolves domain names or port names to
-// numeric addresses on the network net, which must be "udp",
-// "udp4" or "udp6".  A literal IPv6 host address must be
-// enclosed in square brackets, as in "[::]:80".
+// ResolveUDPAddr parses addr as a UDP address of the form "host:port"
+// or "[ipv6-host%zone]:port" and resolves a pair of domain name and
+// port name on the network net, which must be "udp", "udp4" or
+// "udp6".  A literal address or host name for IPv6 must be enclosed
+// in square brackets, as in "[::1]:80", "[ipv6-host]:http" or
+// "[ipv6-host%zone]:80".
 func ResolveUDPAddr(net, addr string) (*UDPAddr, error) {
 	switch net {
 	case "udp", "udp4", "udp6":