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44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2005,2011 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_DIGITAL_CRC32_H
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#define INCLUDED_DIGITAL_CRC32_H
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#include <stdlib.h>
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/*!
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* \brief update running CRC-32
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* \ingroup misc
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*
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* Update a running CRC with the bytes buf[0..len-1] The CRC should be
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* initialized to all 1's, and the transmitted value is the 1's
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* complement of the final running CRC. The resulting CRC should be
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* transmitted in big endian order.
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*/
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unsigned int
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digital_update_crc32(unsigned int crc, const unsigned char *buf, size_t len);
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unsigned int
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digital_crc32(const unsigned char *buf, size_t len);
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#endif /* INCLUDED_CRC32_H */
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