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// 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
// Hostname returns the host name reported by the kernel.
func Hostname() (name string, err Error) {
f, err := Open("/proc/sys/kernel/hostname", O_RDONLY, 0)
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
}
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