}
        else {
            byte[] fnBytes = this.fileName.getBytes(StandardCharsets.UTF_16LE);
            SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, fnOffsetOffset);
            SMBUtil.writeInt2(fnBytes.length, dst, fnLengthOffset);
            System.arraycopy(fnBytes, 0, dst, dstIndex, fnBytes.length);
            dstIndex += fnBytes.length;
        }
        return dstIndex - start;
    }

                dstIndex += 4;

                SMBUtil.writeInt2(dstIndex - structStart, dst, cnOffsetOffset);
                System.arraycopy(cnBytes, 0, dst, dstIndex, cnBytes.length);
                dstIndex += cnBytes.length;
                dstIndex += pad8(dstIndex);

                SMBUtil.writeInt2(dstIndex - structStart, dst, dataOffsetOffset);

    public static void squashBytesToInts( byte[] inBytes, int inOff, int[] outInts,
                                           int outOff, int intLen ) {

        for ( int i = 0; i < intLen; ++i )
            outInts[outOff + i] =
                ( ( inBytes[inOff + i * 4    ] & 0xff ) << 24 ) |
                ( ( inBytes[inOff + i * 4 + 1] & 0xff ) << 16 ) |
                ( ( inBytes[inOff + i * 4 + 2] & 0xff ) <<  8 ) |

    Murmur3_32Hasher(int seed) {
      this.h1 = seed;
      this.length = 0;
      isDone = false;
    }

    private void update(int nBytes, long update) {
      // 1 <= nBytes <= 4
      buffer |= (update & 0xFFFFFFFFL) << shift;
      shift += nBytes * 8;
      length += nBytes;

      if (shift >= 32) {
        h1 = mixH1(h1, mixK1((int) buffer));
        buffer >>>= 32;
        shift -= 32;
      }
    }

	var buf Buffer
	n := 0
	for r := rune(0); r < NRune; r++ {
		size := utf8.EncodeRune(b[n:], r)
		nbytes, err := buf.WriteRune(r)
		if err != nil {
			t.Fatalf("WriteRune(%U) error: %s", r, err)
		}
		if nbytes != size {
			t.Fatalf("WriteRune(%U) expected %d, got %d", r, size, nbytes)
		}
		n += size
	}
	b = b[0:n]

	// Check the resulting bytes
	if !Equal(buf.Bytes(), b) {

	b.lastRead = opInvalid
	if nBytes := b.Len(); nBytes > 0 {
		m, e := w.Write(b.buf[b.off:])
		if m > nBytes {
			panic("bytes.Buffer.WriteTo: invalid Write count")
		}
		b.off += m
		n = int64(m)
		if e != nil {
			return n, e
		}
		// all bytes should have been written, by definition of
		// Write method in io.Writer
		if m != nBytes {
			return n, io.ErrShortWrite
		}
	}

	buf := make([]byte, utf8.UTFMax)
	for r := rune(0); r < NRune; r++ {
		size := utf8.EncodeRune(buf, r)
		nbytes, err := w.WriteRune(r)
		if err != nil {
			t.Fatalf("WriteRune(0x%x) error: %s", r, err)
		}
		if nbytes != size {
			t.Fatalf("WriteRune(0x%x) expected %d, got %d", r, size, nbytes)
		}
	}
	w.Flush()

	r := NewReader(byteBuf)
	// Read them back with ReadRune