char[] buf = new char[DEFAULT_BUF_SIZE];
    int nRead;
    long total = 0;
    while ((nRead = from.read(buf)) != -1) {
      to.write(buf, 0, nRead);
      total += nRead;
    }
    return total;
  }

  /**
   * Reads all characters from a {@link Readable} object into a {@link String}. Does not close the
   * {@code Readable}.
   *
   * @param r the object to read from

}

func (r *checksumReader) Read(b []byte) (n int, err error) {
	if r.err != nil {
		return 0, r.err
	}
	n, err = r.rc.Read(b)
	r.hash.Write(b[:n])
	r.nread += uint64(n)
	if r.nread > r.f.UncompressedSize64 {
		return 0, ErrFormat
	}
	if err == nil {
		return
	}
	if err == io.EOF {
		if r.nread != r.f.UncompressedSize64 {
			return 0, io.ErrUnexpectedEOF
		}

  ops->read_only_memory_region_ops = static_cast<TF_ReadOnlyMemoryRegionOps*>(
      plugin_memory_allocate(TF_READ_ONLY_MEMORY_REGION_OPS_SIZE));
  ops->read_only_memory_region_ops->cleanup =
      tf_read_only_memory_region::Cleanup;
  ops->read_only_memory_region_ops->data = tf_read_only_memory_region::Data;
  ops->read_only_memory_region_ops->length = tf_read_only_memory_region::Length;

                c = "SMB_COM_OPEN_ANDX";
                break;
            case SMB_COM_READ_ANDX:
                c = "SMB_COM_READ_ANDX";
                break;
            case SMB_COM_CLOSE:
                c = "SMB_COM_CLOSE";
                break;
            case SMB_COM_WRITE_ANDX:
                c = "SMB_COM_WRITE_ANDX";
                break;
            case SMB_COM_CREATE_DIRECTORY:

            c = "SMB_COM_READ_ANDX";
            break;
        case SMB_COM_CLOSE:
            c = "SMB_COM_CLOSE";
            break;
        case SMB_COM_WRITE_ANDX:
            c = "SMB_COM_WRITE_ANDX";
            break;
        case SMB_COM_CREATE_DIRECTORY:
            c = "SMB_COM_CREATE_DIRECTORY";
            break;
        case SMB_COM_NT_TRANSACT:
            c = "SMB_COM_NT_TRANSACT";

        fp = 0L;
    }

    public int read() throws SmbException {
        if( read( tmp, 0, 1 ) == -1 ) {
            return -1;
        }
        return tmp[0] & 0xFF;
    }
    public int read( byte b[] ) throws SmbException {
        return read( b, 0, b.length );
    }
    public int read( byte b[], int off, int len ) throws SmbException {
        if( len <= 0 ) {

          val byte1 = this[mid + publicSuffixByteIndex] and 0xff

          compareResult = byte0 - byte1
          if (compareResult != 0) break

          publicSuffixByteIndex++
          currentLabelByteIndex++
          if (publicSuffixByteIndex == publicSuffixLength) break

          if (labels[currentLabelIndex].size == currentLabelByteIndex) {

OuterLoop:
	for {
		if s3Select.statement.LimitReached() {
			if !sendRecord() {
				break
			}
			if err = writer.Finish(s3Select.getProgress()); err != nil {
				// FIXME: log this error.
				err = nil
			}
			break
		}

		if rec, err = s3Select.recordReader.Read(rec); err != nil {
			if err != io.EOF {
				break
			}

			if s3Select.statement.IsAggregated() {

        b += 2 // We rewound two bytes and then added four.
        break
      } else {
        return null // Wrong delimiter.
      }
    }

    // Read a group, one to four hex digits.
    var value = 0
    groupOffset = i
    while (i < limit) {
      val hexDigit = input[i].parseHexDigit()
      if (hexDigit == -1) break
      value = (value shl 4) + hexDigit
      i++
    }

    }


    @Override
    public int read () throws SmbException {
        if ( read(this.tmp, 0, 1) == -1 ) {
            return -1;
        }
        return this.tmp[ 0 ] & 0xFF;
    }


    @Override
    public int read ( byte b[] ) throws SmbException {
        return read(b, 0, b.length);
    }


    @Override
    public int read ( byte b[], int off, int len ) throws SmbException {