mirror of
https://github.com/golang/go
synced 2024-10-05 18:31:28 -06:00
0fc582e879
This change fixes inconsistent error values on
Lookup{Addr,CNAME,Host,IP.MX,NS,Port,SRV,TXT}.
Updates #4856.
Change-Id: I059bc8ffb96ee74dff8a8c4e8e6ae3e4a462a7ef
Reviewed-on: https://go-review.googlesource.com/9108
Reviewed-by: Ian Lance Taylor <iant@golang.org>
25 lines
592 B
Go
25 lines
592 B
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Network service port manipulations
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package net
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// parsePort parses port as a network service port number for both
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// TCP and UDP.
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func parsePort(net, port string) (int, error) {
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p, i, ok := dtoi(port, 0)
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if !ok || i != len(port) {
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var err error
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p, err = LookupPort(net, port)
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if err != nil {
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return 0, err
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}
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}
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if p < 0 || p > 0xFFFF {
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return 0, &AddrError{Err: "invalid port", Addr: port}
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}
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return p, nil
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}
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