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

package disk

import (
	"path/filepath"
	"syscall"
	"unsafe"
)

// GetVolumeInformation provides windows drive volume information.
var GetVolumeInformation = kernel32.NewProc("GetVolumeInformationW")

// getFSType returns the filesystem type of the underlying mounted filesystem
func getFSType(path string) string {

	DRIVE_UNKNOWN     = 0
	DRIVE_NO_ROOT_DIR = 1
	DRIVE_REMOVABLE   = 2
	DRIVE_FIXED       = 3
	DRIVE_REMOTE      = 4
	DRIVE_CDROM       = 5
	DRIVE_RAMDISK     = 6

	// File system flags from GetVolumeInformation and GetVolumeInformationByHandle.
	FILE_CASE_SENSITIVE_SEARCH        = 0x00000001
	FILE_CASE_PRESERVED_NAMES         = 0x00000002
	FILE_FILE_COMPRESSION             = 0x00000010

	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) {