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/* -*- c++ -*- */
/*
* Copyright 2004 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef INCLUDED_GR_NOP_H
#define INCLUDED_GR_NOP_H
#include <gr_block.h>
#include <stddef.h> // size_t
/*!
* \brief Does nothing. Used for testing only.
* \ingroup block
*/
class gr_nop : public gr_block
{
friend gr_block_sptr gr_make_nop (size_t sizeof_stream_item);
gr_nop (size_t sizeof_stream_item);
public:
virtual int general_work (int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
gr_block_sptr
gr_make_nop (size_t sizeof_stream_item);
#endif /* INCLUDED_GR_NOP_H */
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