3 * Copyright 2005 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.
23 #ifndef INCLUDED_GR_CRC32_H
24 #define INCLUDED_GR_CRC32_H
30 * \brief update running CRC-32
33 * Update a running CRC with the bytes buf[0..len-1] The CRC should be
34 * initialized to all 1's, and the transmitted value is the 1's
35 * complement of the final running CRC. The resulting CRC should be
36 * transmitted in big endian order.
39 gr_update_crc32(unsigned int crc, const unsigned char *buf, size_t len);
42 gr_update_crc32(unsigned int crc, const std::string buf);
45 gr_crc32(const unsigned char *buf, size_t len);
48 gr_crc32(const std::string buf);
50 #endif /* INCLUDED_CRC32_H */