/*
     * We overload this because we want readAndXWireFormat to
     * read the parameter words and bytes. This is so when
     * commands are batched together we can recursivly call
     * readAndXWireFormat without reading the non-existent header.
     */

    @Override
    public int decode ( byte[] buffer, int bufferIndex ) throws SMBProtocolDecodingException {
        int start = this.headerStart = bufferIndex;