// ensure file is open
        if (!file.isOpen()) {
            file.open(openFlags, 0, SmbFile.ATTR_NORMAL, options);
        }

        int w;
        do {
            w = len > writeSize ? writeSize : len;
            file.send(new SmbComWriteAndX(file.fid, fp, len - w, b, off, w, null), write_andx_resp);
            fp += write_andx_resp.count;
            len -= write_andx_resp.count;

        }

        // ensure file is open
        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {
            int w;
            do {
                w = len > this.writeSize ? this.writeSize : len;
                long cnt;

                if (th.isSMB2()) {
                    final Smb2WriteRequest request = new Smb2WriteRequest(th.getConfig(), fh.getFileId());

   * the operating system's default line separator. This method is equivalent to {@code
   * writeLines(lines, System.getProperty("line.separator"))}.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   */
  public void writeLines(Iterable<? extends CharSequence> lines) throws IOException {
    writeLines(lines, System.getProperty("line.separator"));
  }

  /**

        long maxTime = System.currentTimeMillis() + 1000000000000L;
        SMBUtil.writeTime(maxTime, buffer, 8); // creationTime
        SMBUtil.writeTime(maxTime, buffer, 16); // lastAccessTime
        SMBUtil.writeTime(maxTime, buffer, 24); // lastWriteTime
        SMBUtil.writeTime(maxTime, buffer, 32); // changeTime
        SMBUtil.writeInt8(Long.MAX_VALUE, buffer, 40); // endOfFile

            dos.writeInt(Integer.reverseBytes(3)); // 3 buffers
            dos.writeInt(Integer.reverseBytes(PacConstants.PAC_VERSION));

            // Write buffer entries
            dos.writeInt(Integer.reverseBytes(PacConstants.LOGON_INFO));
            dos.writeInt(Integer.reverseBytes(10));
            dos.writeLong(Long.reverseBytes(100));

        // Use SMBUtil to properly encode times in Windows FILETIME format
        SMBUtil.writeTime(TEST_CREATE_TIME, buffer, bufferIndex);
        SMBUtil.writeTime(TEST_LAST_ACCESS_TIME, buffer, bufferIndex + 8);
        SMBUtil.writeTime(TEST_LAST_WRITE_TIME, buffer, bufferIndex + 16);
        SMBUtil.writeTime(TEST_CHANGE_TIME, buffer, bufferIndex + 24);
        SMBUtil.writeInt4(TEST_ATTRIBUTES, buffer, bufferIndex + 32);

        final int start = dstIndex;
        SMBUtil.writeTime(this.createTime, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeTime(this.lastAccessTime, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeTime(this.lastWriteTime, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeTime(this.changeTime, dst, dstIndex);
        dstIndex += 8;

	if _, err := readDir("/tmp/non-existent-directory"); err != errFileNotFound {
		t.Fatalf("expected = %s, got: %s", errFileNotFound, err)
	}

	file := path.Join(os.TempDir(), "issue")
	if err := os.WriteFile(file, []byte(""), 0o644); err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(file)

	// Check if file is given.
	if _, err := readDir(path.Join(file, "mydir")); err != errFileNotFound {

        final int sendBufferSize = th.getSendBufferSize();
        if (this.smb2) {
            this.writeSize = sendBufferSize;
            this.writeSizeFile = sendBufferSize;
            return;
        }

        this.openFlags &= ~(SmbConstants.O_CREAT | SmbConstants.O_TRUNC); /* in case we close and reopen */
        this.writeSize = sendBufferSize - 70;

        this.useNTSmbs = th.hasCapability(SmbConstants.CAP_NT_SMBS);

            // Multiple dynamic table size updates!
            writeInt(smallestHeaderTableSizeSetting, PREFIX_5_BITS, 0x20)
          }
          emitDynamicTableSizeUpdate = false
          smallestHeaderTableSizeSetting = Integer.MAX_VALUE
          writeInt(maxDynamicTableByteCount, PREFIX_5_BITS, 0x20)
        }

        for (i in 0 until headerBlock.size) {