mirror of
https://github.com/octoleo/restic.git
synced 2024-11-23 13:17:42 +00:00
20 lines
477 B
Go
20 lines
477 B
Go
package restorer
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/restic/restic/internal/debug"
|
|
"golang.org/x/sys/windows"
|
|
)
|
|
|
|
func truncateSparse(f *os.File, size int64) error {
|
|
// try setting the sparse file attribute, but ignore the error if it fails
|
|
var t uint32
|
|
err := windows.DeviceIoControl(windows.Handle(f.Fd()), windows.FSCTL_SET_SPARSE, nil, 0, nil, 0, &t, nil)
|
|
if err != nil {
|
|
debug.Log("failed to set sparse attribute for %v: %v", f.Name(), err)
|
|
}
|
|
|
|
return f.Truncate(size)
|
|
}
|