diff options
Diffstat (limited to 'src/net/port.go')
-rw-r--r-- | src/net/port.go | 24 |
1 files changed, 24 insertions, 0 deletions
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 +} |