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47 lines
1.8 KiB
47 lines
1.8 KiB
/* $Id: crc32.h,v 1.2 2006/09/09 10:15:05 pefo Exp $ */
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/*
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* Copyright (c) 2005-2006 Opsycon AB (www.opsycon.se)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef __CRC32_H__
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#define __CRC32_H__
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u_int crc32_generate(void *, size_t);
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u_int crc32_generate_seg(void *, size_t, u_int);
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u_int crc32_check(void *, size_t);
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/* Helper functions, see build options */
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#define CRC32_CHECK_CRC 1
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#define CRC32_CHECK_SIG 2
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#define CRC32_OK 0
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#define CRC32_ERR_FILE -1
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#define CRC32_ERR_CRC -2
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#define CRC32_ERR_SIG -3
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int crc32sig_check(const char *, u_int64_t, int);
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#endif /* __CRC32_H__ */
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