mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-03 07:07:20 +00:00
30 lines
938 B
Go
30 lines
938 B
Go
|
// Copyright 2012 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
// GNU/Linux version of UtimesNano.
|
||
|
|
|
||
|
|
package syscall
|
||
|
|
|
||
|
|
import "unsafe"
|
||
|
|
|
||
|
|
//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
|
||
|
|
//utimensat(dirfd _C_int, path *byte, times *[2]Timespec, flags _C_int) _C_int
|
||
|
|
func UtimesNano(path string, ts []Timespec) (err error) {
|
||
|
|
if len(ts) != 2 {
|
||
|
|
return EINVAL
|
||
|
|
}
|
||
|
|
err = utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
|
||
|
|
if err != ENOSYS {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
// If the utimensat syscall isn't available (utimensat was added to Linux
|
||
|
|
// in 2.6.22, Released, 8 July 2007) then fall back to utimes
|
||
|
|
var tv [2]Timeval
|
||
|
|
for i := 0; i < 2; i++ {
|
||
|
|
tv[i].Sec = Timeval_sec_t(ts[i].Sec)
|
||
|
|
tv[i].Usec = Timeval_usec_t(ts[i].Nsec / 1000)
|
||
|
|
}
|
||
|
|
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
|
||
|
|
}
|