forked from osmocom/wireshark
296591399f
(Using sed : sed -i '/^ \* \$Id\$/,+1 d') Fix manually some typo (in export_object_dicom.c and crc16-plain.c) Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8 Reviewed-on: https://code.wireshark.org/review/497 Reviewed-by: Anders Broman <a.broman58@gmail.com>
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* crc7.h
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*
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* Functions and types for CRC checks.
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Generated on Wed Jul 11 17:24:57 2012,
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* by pycrc v0.7.10, http://www.tty1.net/pycrc/
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* using the configuration:
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* Width = 7
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* Poly = 0x45
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* XorIn = 0x00
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* ReflectIn = False
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* XorOut = 0x00
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* ReflectOut = False
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* Algorithm = table-driven
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****************************************************************************
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*/
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#ifndef __CRC7__H__
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#define __CRC7__H__
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#include "ws_symbol_export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* The definition of the used algorithm.
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*****************************************************************************/
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#define CRC_ALGO_TABLE_DRIVEN 1
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/**
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* Calculate the initial crc value.
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*
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* \return The initial crc value.
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*****************************************************************************/
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static inline guint8 crc7init(void)
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{
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return 0x00 << 1;
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}
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/**
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* Update the crc value with new data.
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*
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* \param crc The current crc value.
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* \param data Pointer to a buffer of \a data_len bytes.
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* \param data_len Number of bytes in the \a data buffer.
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* \return The updated crc value.
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*****************************************************************************/
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WS_DLL_PUBLIC guint8 crc7update(guint8 crc, const unsigned char *data, int data_len);
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/**
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* Calculate the final crc value.
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*
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* \param crc The current crc value.
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* \return The final crc value.
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*****************************************************************************/
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static inline guint8 crc7finalize(guint8 crc)
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{
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return (crc >> 1) ^ 0x00;
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}
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#ifdef __cplusplus
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} /* closing brace for extern "C" */
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#endif
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#endif /* __CRC7__H__ */
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