mirror of https://github.com/rclone/rclone.git
60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
//go:build windows
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package local
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import (
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"syscall"
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"time"
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)
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const haveSetBTime = true
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// setTimes sets any of atime, mtime or btime
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// if link is set it sets a link rather than the target
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func setTimes(name string, atime, mtime, btime time.Time, link bool) (err error) {
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pathp, err := syscall.UTF16PtrFromString(name)
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if err != nil {
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return err
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}
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fileFlag := uint32(syscall.FILE_FLAG_BACKUP_SEMANTICS)
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if link {
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fileFlag |= syscall.FILE_FLAG_OPEN_REPARSE_POINT
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}
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h, err := syscall.CreateFile(pathp,
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syscall.FILE_WRITE_ATTRIBUTES, syscall.FILE_SHARE_WRITE, nil,
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syscall.OPEN_EXISTING, fileFlag, 0)
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if err != nil {
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return err
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}
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defer func() {
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closeErr := syscall.Close(h)
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if err == nil {
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err = closeErr
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}
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}()
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var patime, pmtime, pbtime *syscall.Filetime
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if !atime.IsZero() {
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t := syscall.NsecToFiletime(atime.UnixNano())
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patime = &t
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}
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if !mtime.IsZero() {
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t := syscall.NsecToFiletime(mtime.UnixNano())
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pmtime = &t
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}
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if !btime.IsZero() {
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t := syscall.NsecToFiletime(btime.UnixNano())
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pbtime = &t
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}
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return syscall.SetFileTime(h, pbtime, patime, pmtime)
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}
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// setBTime sets the birth time of the file passed in
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func setBTime(name string, btime time.Time) (err error) {
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return setTimes(name, time.Time{}, time.Time{}, btime, false)
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}
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// lsetBTime changes the birth time of the link passed in
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func lsetBTime(name string, btime time.Time) error {
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return setTimes(name, time.Time{}, time.Time{}, btime, true)
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}
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