* Permission to write data to a file or add files to a directory
     */
    int FILE_WRITE_DATA = 0x00000002; // 2
    /**
     * Permission to append data to a file or add subdirectories
     */
    int FILE_APPEND_DATA = 0x00000004; // 3
    /**
     * Permission to read extended attributes
     */
    int FILE_READ_EA = 0x00000008; // 4
    /**
     * Permission to write extended attributes
     */

    public static final int FILE_WRITE_DATA = 0x00000002; // 2
    /** Permission to append data to a file or add subdirectories */
    public static final int FILE_APPEND_DATA = 0x00000004; // 3
    /** Permission to read extended attributes */
    public static final int FILE_READ_EA = 0x00000008; // 4
    /** Permission to write extended attributes */

		fallthrough
	case syscall.O_WRONLY | syscall.O_CREAT:
		access = syscall.GENERIC_READ | syscall.GENERIC_WRITE
	case syscall.O_WRONLY | syscall.O_CREAT | syscall.O_APPEND:
		access = syscall.FILE_APPEND_DATA
	default:
		return nil, fmt.Errorf("Unsupported flag (%d)", flag)
	}

	var createflag uint32
	switch {
	case flag&syscall.O_CREAT == syscall.O_CREAT:
		createflag = syscall.OPEN_ALWAYS
	default: