3 * Copyright 2006,2009 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
28 #include <gr_io_signature.h>
32 gr_make_copy(size_t itemsize)
34 return gnuradio::get_initial_sptr(new gr_copy(itemsize));
37 gr_copy::gr_copy(size_t itemsize)
39 gr_make_io_signature (1, 1, itemsize),
40 gr_make_io_signature (1, 1, itemsize)),
47 gr_copy::check_topology(int ninputs, int noutputs)
49 return ninputs == noutputs;
53 gr_copy::general_work(int noutput_items,
54 gr_vector_int &ninput_items,
55 gr_vector_const_void_star &input_items,
56 gr_vector_void_star &output_items)
58 const uint8_t *in = (const uint8_t *) input_items[0];
59 uint8_t *out = (uint8_t *) output_items[0];
61 int n = std::min<int>(ninput_items[0], noutput_items);
65 memcpy(out, in, n*d_itemsize);