github.com/guyezi/gofrontend@v0.0.0-20200228202240-7a62a49e62c0/libgo/go/os/sys_uname.go (about) 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 }