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author | Ondřej Surý <ondrej@sury.org> | 2011-04-26 09:55:32 +0200 |
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committer | Ondřej Surý <ondrej@sury.org> | 2011-04-26 09:55:32 +0200 |
commit | 7b15ed9ef455b6b66c6b376898a88aef5d6a9970 (patch) | |
tree | 3ef530baa80cdf29436ba981f5783be6b4d2202b /src/pkg/net/lookup.go | |
parent | 50104cc32a498f7517a51c8dc93106c51c7a54b4 (diff) | |
download | golang-7b15ed9ef455b6b66c6b376898a88aef5d6a9970.tar.gz |
Imported Upstream version 2011.04.13upstream/2011.04.13
Diffstat (limited to 'src/pkg/net/lookup.go')
-rw-r--r-- | src/pkg/net/lookup.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/pkg/net/lookup.go b/src/pkg/net/lookup.go new file mode 100644 index 000000000..7b2185ed4 --- /dev/null +++ b/src/pkg/net/lookup.go @@ -0,0 +1,38 @@ +// Copyright 2011 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. + +package net + +import ( + "os" +) + +// LookupHost looks up the given host using the local resolver. +// It returns an array of that host's addresses. +func LookupHost(host string) (addrs []string, err os.Error) { + addrs, err, ok := cgoLookupHost(host) + if !ok { + addrs, err = goLookupHost(host) + } + return +} + +// LookupIP looks up host using the local resolver. +// It returns an array of that host's IPv4 and IPv6 addresses. +func LookupIP(host string) (addrs []IP, err os.Error) { + addrs, err, ok := cgoLookupIP(host) + if !ok { + addrs, err = goLookupIP(host) + } + return +} + +// LookupPort looks up the port for the given network and service. +func LookupPort(network, service string) (port int, err os.Error) { + port, err, ok := cgoLookupPort(network, service) + if !ok { + port, err = goLookupPort(network, service) + } + return +} |