Source file src/pkg/os/sys_linux.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


// 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
}