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 //go:build aix || darwin || dragonfly || freebsd || hurd || openbsd || netbsd || solaris
   6 // +build aix darwin dragonfly freebsd hurd openbsd netbsd solaris
   7
   8 // General POSIX version of UtimesNano.
   9
  10 package syscall
  11
  12 import "unsafe"
  13
  14 func UtimesNano(path string, ts []Timespec) error {
  15         // TODO: The BSDs can do utimensat with SYS_UTIMENSAT but it
  16         // isn't supported by darwin so this uses utimes instead
  17         if len(ts) != 2 {
  18                 return EINVAL
  19         }
  20         // Not as efficient as it could be because Timespec and
  21         // Timeval have different types in the different OSes
  22         tv := [2]Timeval{
  23                 NsecToTimeval(TimespecToNsec(ts[0])),
  24                 NsecToTimeval(TimespecToNsec(ts[1])),
  25         }
  26         return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
  27 }