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/* -*- c++ -*- */
/*
* Copyright 2004,2010,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_NULL_SOURCE_H
#define INCLUDED_GR_NULL_SOURCE_H
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace blocks {
/*!
* \brief A source of zeros used mainly for testing.
* \ingroup misc_blk
*/
class BLOCKS_API null_source : virtual public sync_block
{
public:
// gr::blocks::null_source::sptr
typedef std::shared_ptr<null_source> sptr;
/*!
* Build a null source block.
*
* \param sizeof_stream_item size of the stream items in bytes.
*/
static sptr make(size_t sizeof_stream_item);
};
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_GR_NULL_SOURCE_H */
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