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  }