/* -*- c++ -*- */ /* * Copyright 2005,2011,2012 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 3, 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., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #ifndef INCLUDED_DIGITAL_CRC32_H #define INCLUDED_DIGITAL_CRC32_H #include <digital/api.h> #include <string> #include <gr_types.h> namespace gr { namespace digital { /*! * \brief update running CRC-32 * \ingroup digital * * Update a running CRC with the bytes buf[0..len-1] The CRC * should be initialized to all 1's, and the transmitted value is * the 1's complement of the final running CRC. The resulting CRC * should be transmitted in big endian order. */ DIGITAL_API unsigned int update_crc32(unsigned int crc, const unsigned char *buf, size_t len); DIGITAL_API unsigned int update_crc32(unsigned int crc, const std::string buf); DIGITAL_API unsigned int crc32(const unsigned char *buf, size_t len); DIGITAL_API unsigned int crc32(const std::string buf); } /* namespace digital */ } /* namespace gr */ #endif /* INCLUDED_CRC32_H */