From f154da9e12608589e8d5f0508f908a0c3e88a1bb Mon Sep 17 00:00:00 2001
From: Tianon Gravi <admwiggin@gmail.com>
Date: Thu, 15 Jan 2015 11:54:00 -0700
Subject: Imported Upstream version 1.4

---
 src/net/port.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/net/port.go

(limited to 'src/net/port.go')

diff --git a/src/net/port.go b/src/net/port.go
new file mode 100644
index 000000000..c24f4ed5b
--- /dev/null
+++ b/src/net/port.go
@@ -0,0 +1,24 @@
+// Copyright 2012 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Network service port manipulations
+
+package net
+
+// parsePort parses port as a network service port number for both
+// TCP and UDP.
+func parsePort(net, port string) (int, error) {
+	p, i, ok := dtoi(port, 0)
+	if !ok || i != len(port) {
+		var err error
+		p, err = LookupPort(net, port)
+		if err != nil {
+			return 0, err
+		}
+	}
+	if p < 0 || p > 0xFFFF {
+		return 0, &AddrError{"invalid port", port}
+	}
+	return p, nil
+}
-- 
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