libgo/go/syscall/libcall_posix_utimesnano.go

   1 // Copyright 2012 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 // +build aix darwin dragonfly freebsd openbsd netbsd solaris
   6
   7 // General POSIX version of UtimesNano.
   8
   9 package syscall
  10
  11 import "unsafe"
  12
  13 func UtimesNano(path string, ts []Timespec) error {
  14         // TODO: The BSDs can do utimensat with SYS_UTIMENSAT but it
  15         // isn't supported by darwin so this uses utimes instead
  16         if len(ts) != 2 {
  17                 return EINVAL
  18         }
  19         // Not as efficient as it could be because Timespec and
  20         // Timeval have different types in the different OSes
  21         tv := [2]Timeval{
  22                 NsecToTimeval(TimespecToNsec(ts[0])),
  23                 NsecToTimeval(TimespecToNsec(ts[1])),
  24         }
  25         return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
  26 }