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 package os
   8
   9 import "syscall"
  10
  11 func hostname() (name string, err error) {
  12         var u syscall.Utsname
  13         if errno := syscall.Uname(&u); errno != nil {
  14                 return "", NewSyscallError("uname", errno)
  15         }
  16         b := make([]byte, len(u.Nodename))
  17         i := 0
  18         for ; i < len(u.Nodename); i++ {
  19                 if u.Nodename[i] == 0 {
  20                         break
  21                 }
  22                 b[i] = byte(u.Nodename[i])
  23         }
  24         return string(b[:i]), nil
  25 }