containerd/archive/time_windows.go
Derek McGowan 0deba01621 Add archive package
Archive package handles generating and applying diff tar streams
based on the OCI diff tar specification.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
2017-02-17 11:49:58 -08:00

25 lines
713 B
Go

package archive
import (
"syscall"
"time"
)
// chtimes will set the create time on a file using the given modtime.
// This requires calling SetFileTime and explicitly including the create time.
func chtimes(path string, atime, mtime time.Time) error {
ctimespec := syscall.NsecToTimespec(mtime.UnixNano())
pathp, e := syscall.UTF16PtrFromString(path)
if e != nil {
return e
}
h, e := syscall.CreateFile(pathp,
syscall.FILE_WRITE_ATTRIBUTES, syscall.FILE_SHARE_WRITE, nil,
syscall.OPEN_EXISTING, syscall.FILE_FLAG_BACKUP_SEMANTICS, 0)
if e != nil {
return e
}
defer syscall.Close(h)
c := syscall.NsecToFiletime(syscall.TimespecToNsec(ctimespec))
return syscall.SetFileTime(h, &c, nil, nil)
}