3 * Copyright 2004,2006,2007 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.
27 #include <gr_file_sink.h>
28 #include <gr_io_signature.h>
33 gr_make_file_sink (size_t itemsize, const char *filename)
35 return gr_file_sink_sptr (new gr_file_sink (itemsize, filename));
38 gr_file_sink::gr_file_sink(size_t itemsize, const char *filename)
39 : gr_sync_block ("file_sink",
40 gr_make_io_signature(1, 1, itemsize),
41 gr_make_io_signature(0, 0, 0)),
42 gr_file_sink_base(filename, true),
46 throw std::runtime_error ("can't open file");
49 gr_file_sink::~gr_file_sink ()
54 gr_file_sink::work (int noutput_items,
55 gr_vector_const_void_star &input_items,
56 gr_vector_void_star &output_items)
58 char *inbuf = (char *) input_items[0];
61 do_update(); // update d_fp is reqd
64 return noutput_items; // drop output on the floor
66 while (nwritten < noutput_items){
67 int count = fwrite (inbuf, d_itemsize, noutput_items - nwritten, d_fp);
68 if (count == 0) // FIXME add error handling
71 inbuf += count * d_itemsize;