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mirror of https://github.com/octoleo/restic.git synced 2024-06-06 19:10:49 +00:00
restic/internal/restic/node_windows.go
greatroar c45f8ee075 Replace restic.statT interface by concrete types
name                old time/op    new time/op    delta
NodeFillUser-8        1.81µs ± 9%    1.50µs ± 5%  -17.07%  (p=0.000 n=19+20)
NodeFromFileInfo-8    1.76µs ± 4%    1.49µs ± 6%  -15.63%  (p=0.000 n=20+19)

name                old alloc/op   new alloc/op   delta
NodeFillUser-8          496B ± 0%      352B ± 0%  -29.03%  (p=0.000 n=20+20)
NodeFromFileInfo-8      496B ± 0%      352B ± 0%  -29.03%  (p=0.000 n=20+20)

name                old allocs/op  new allocs/op  delta
NodeFillUser-8          3.00 ± 0%      2.00 ± 0%  -33.33%  (p=0.000 n=20+20)
NodeFromFileInfo-8      3.00 ± 0%      2.00 ± 0%  -33.33%  (p=0.000 n=20+20)
2020-11-14 23:23:26 +01:00

78 lines
2.1 KiB
Go

package restic
import (
"syscall"
"github.com/restic/restic/internal/errors"
)
// mknod() creates a filesystem node (file, device
// special file, or named pipe) named pathname, with attributes
// specified by mode and dev.
var mknod = func(path string, mode uint32, dev int) (err error) {
return errors.New("device nodes cannot be created on windows")
}
// Windows doesn't need lchown
var lchown = func(path string, uid int, gid int) (err error) {
return nil
}
func (node Node) restoreSymlinkTimestamps(path string, utimes [2]syscall.Timespec) error {
return nil
}
func (node Node) device() int {
return int(node.Device)
}
// Getxattr retrieves extended attribute data associated with path.
func Getxattr(path, name string) ([]byte, error) {
return nil, nil
}
// Listxattr retrieves a list of names of extended attributes associated with the
// given path in the file system.
func Listxattr(path string) ([]string, error) {
return nil, nil
}
// Setxattr associates name and data together as an attribute of path.
func Setxattr(path, name string, data []byte) error {
return nil
}
type statT syscall.Win32FileAttributeData
func toStatT(i interface{}) (*statT, bool) {
s, ok := i.(*syscall.Win32FileAttributeData)
if ok && s != nil {
return (*statT)(s), true
}
return nil, false
}
func (s statT) dev() uint64 { return 0 }
func (s statT) ino() uint64 { return 0 }
func (s statT) nlink() uint64 { return 0 }
func (s statT) uid() uint32 { return 0 }
func (s statT) gid() uint32 { return 0 }
func (s statT) rdev() uint64 { return 0 }
func (s statT) size() int64 {
return int64(s.FileSizeLow) | (int64(s.FileSizeHigh) << 32)
}
func (s statT) atim() syscall.Timespec {
return syscall.NsecToTimespec(s.LastAccessTime.Nanoseconds())
}
func (s statT) mtim() syscall.Timespec {
return syscall.NsecToTimespec(s.LastWriteTime.Nanoseconds())
}
func (s statT) ctim() syscall.Timespec {
// Windows does not have the concept of a "change time" in the sense Unix uses it, so we're using the LastWriteTime here.
return syscall.NsecToTimespec(s.LastWriteTime.Nanoseconds())
}