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go/src/os/sys_linux.go
Russ Cox c007ce824d build: move package sources from src/pkg to src
Preparation was in CL 134570043.
This CL contains only the effect of 'hg mv src/pkg/* src'.
For more about the move, see golang.org/s/go14nopkg.
2014-09-08 00:08:51 -04:00

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Go

// Copyright 2009 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.
// Linux-specific
package os
func hostname() (name string, err error) {
f, err := Open("/proc/sys/kernel/hostname")
if err != nil {
return "", err
}
defer f.Close()
var buf [512]byte // Enough for a DNS name.
n, err := f.Read(buf[0:])
if err != nil {
return "", err
}
if n > 0 && buf[n-1] == '\n' {
n--
}
return string(buf[0:n]), nil
}