1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// Copyright 2016 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pathfs
import (
"syscall"
"time"
"github.com/hanwen/go-fuse/fuse"
)
const _UTIME_NOW = ((1 << 30) - 1)
const _UTIME_OMIT = ((1 << 30) - 2)
// timeToTimeval - Convert time.Time to syscall.Timeval
//
// Note: This does not use syscall.NsecToTimespec because
// that does not work properly for times before 1970,
// see https://github.com/golang/go/issues/12777
func timeToTimeval(t *time.Time) syscall.Timeval {
var tv syscall.Timeval
tv.Usec = int32(t.Nanosecond() / 1000)
tv.Sec = t.Unix()
return tv
}
// OSX does not have the utimensat syscall neded to implement this properly.
// We do our best to emulate it using futimes.
func (fs *loopbackFileSystem) Utimens(path string, a *time.Time, m *time.Time, context *fuse.Context) fuse.Status {
tv := make([]syscall.Timeval, 2)
if a == nil {
tv[0].Usec = _UTIME_OMIT
} else {
tv[0] = timeToTimeval(a)
}
if m == nil {
tv[1].Usec = _UTIME_OMIT
} else {
tv[1] = timeToTimeval(m)
}
err := syscall.Utimes(fs.GetPath(path), tv)
return fuse.ToStatus(err)
}
|
