Function getFileTypeFromVolumeInfo

pkg/fs/file.go:157–196

(filename string)

}

func getFileTypeFromVolumeInfo(filename string) FileType {
	f, err := os.Open(filename)
	if err != nil {
		return Other
	}
	defer f.Close()

	queryVolumeCalls.Add(1)

	var (
		iosb windows.IO_STATUS_BLOCK
		dev  sys.FileFsDeviceInformation
	)
	err = sys.NtQueryVolumeInformationFile(
		windows.Handle(f.Fd()),
		&iosb,
		uintptr(unsafe.Pointer(&dev)),
		uint32(unsafe.Sizeof(dev)),
		sys.FileFsDeviceInformationClass,
	)
	if err != nil {
		return Other
	}
	switch dev.Type {
	case deviceCDROM, deviceCDROMFs, deviceController,
		deviceDatalink, deviceDFS, deviceDisk, deviceDiskFs:
		if sys.PathIsDirectory(filename) {
			return Directory
		}
		return Regular
	case devConsole:
		return Console
	case devMailslot:
		return Mailslot
	case devNamedPipe:
		return Pipe
	default:
		return Other
	}
}