// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package disk

import "runtime"

// IsRootDisk returns if diskPath belongs to root-disk, i.e the disk mounted at "/"
func IsRootDisk(diskPath string, rootDisk string) (bool, error) {
	if runtime.GOOS == "windows" {
		// On windows this function is not implemented.
		return false, nil
	}

				// this disk is a root disk. treat those disks with
				// size less than or equal to the threshold as rootDrives.
				rootDrive = di.Total <= globalRootDiskThreshold
			} else {
				rootDrive, err = disk.IsRootDisk(drivePath, SlashSeparator)
			}
		}
	}

	switch {
	case osIsNotExist(err):
		err = errDiskNotFound
	case isSysErrTooLong(err):
		err = errFileNameTooLong
	case isSysErrIO(err):