private static class Control extends AbstractNonStreamingHashFunction {
    @Override
    public HashCode hashBytes(byte[] input, int off, int len) {
      return HashCode.fromBytes(Arrays.copyOfRange(input, off, off + len));
    }

    @Override
    public int bits() {
      throw new UnsupportedOperationException();
    }
  }

        char ch;
        int i, j, state, len;
        char[] out;
        byte[] b = new byte[1];

        if (str == null) {
            return null;
        }

        len = str.length();
        out = new char[len];
        state = 0;
        for (i = j = 0; i < len; i++) {
            switch (state) {
            case 0:
                ch = str.charAt(i);

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        this.chunksWritten = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

            cur.setReadSize(rl);
            int len = cur.decode(buffer, 0);

            if (len > rl) {
                throw new IOException(String.format("WHAT? ( read %d decoded %d ): %s", rl, len, cur));
            }
            if (nextCommand != 0 && len > nextCommand) {
                throw new IOException("Overlapping commands");
            }

        buf.dec_ndr_short(); /* max transmit frag size */
        buf.dec_ndr_short(); /* max receive frag size */
        buf.dec_ndr_long(); /* assoc. group */
        final int n = buf.dec_ndr_short(); /* secondary addr len */
        buf.advance(n); /* secondary addr */
        buf.align(4);
        buf.dec_ndr_small(); /* num results */
        buf.align(4);
        this.result = buf.dec_ndr_short();
        buf.dec_ndr_short();

        buf.dec_ndr_short(); /* max transmit frag size */
        buf.dec_ndr_short(); /* max receive frag size */
        buf.dec_ndr_long(); /* assoc. group */
        final int n = buf.dec_ndr_short(); /* secondary addr len */
        buf.advance(n); /* secondary addr */
        buf.align(4);
        buf.dec_ndr_small(); /* num results */
        buf.align(4);
        result = buf.dec_ndr_short();
        buf.dec_ndr_short();

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        this.alloc = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        this.free = SMBUtil.readInt8(buffer, bufferIndex);

      cbuf: CharArray,
      off: Int,
      len: Int,
    ): Int {
      if (closed) throw IOException("Stream closed")

      val finalDelegate =
        delegate ?: InputStreamReader(
          source.inputStream(),
          source.readBomAsCharset(charset),
        ).also {
          delegate = it
        }
      return finalDelegate.read(cbuf, off, len)
    }

    @Throws(IOException::class)

        protected int readSetupWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

        @Override
        protected int readParametersWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

        @Override
        protected int readDataWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
public interface ByteArrayDataInput extends DataInput {
  @Override
  void readFully(byte[] b);

  @Override
  void readFully(byte[] b, int off, int len);

  // not guaranteed to skip n bytes so result should NOT be ignored
  // use ByteStreams.skipFully or one of the read methods instead
  @Override
  int skipBytes(int n);

  @CanIgnoreReturnValue // to skip a byte