libgo/go/os/sys_uname.go

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // For systems which only store the hostname in uname (Solaris).
   6
   7 // +build aix hurd solaris irix rtems
   8
   9 package os
  10
  11 import "syscall"
  12
  13 func hostname() (name string, err error) {
  14         var u syscall.Utsname
  15         if errno := syscall.Uname(&u); errno != nil {
  16                 return "", NewSyscallError("uname", errno)
  17         }
  18         b := make([]byte, len(u.Nodename))
  19         i := 0
  20         for ; i < len(u.Nodename); i++ {
  21                 if u.Nodename[i] == 0 {
  22                         break
  23                 }
  24                 b[i] = byte(u.Nodename[i])
  25         }
  26         return string(b[:i]), nil
  27 }