diff options
Diffstat (limited to 'gnuradio-core/src/lib/general/gr_nop.cc')
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_nop.cc | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/general/gr_nop.cc b/gnuradio-core/src/lib/general/gr_nop.cc new file mode 100644 index 0000000000..0a3f4f330b --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_nop.cc @@ -0,0 +1,55 @@ +/* -*- 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. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <gr_nop.h> +#include <gr_io_signature.h> + +gr_nop::gr_nop (size_t sizeof_stream_item) + : gr_block ("nop", + gr_make_io_signature (0, -1, sizeof_stream_item), + gr_make_io_signature (0, -1, sizeof_stream_item)) +{ +} + +gr_block_sptr +gr_make_nop (size_t sizeof_stream_item) +{ + return gr_block_sptr (new gr_nop (sizeof_stream_item)); +} + +int +gr_nop::general_work (int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + // eat any input that's available + for (unsigned i = 0; i < ninput_items.size (); i++) + consume (i, ninput_items[i]); + + return noutput_items; +} + + |