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1 office 1 /* crc8.h
2 * Declaration of CRC-8 routine and tables
3 *
4 * 2011 Roland Knall <rknall@gmail.com>
5 *
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 */
24  
25 #ifndef __CRC8_H__
26 #define __CRC8_H__
27  
28  
29 #include "ws_symbol_export.h"
30  
31 #ifdef __cplusplus
32 extern "C" {
33 #endif /* __cplusplus */
34  
35 /** Calculates a CRC8 checksum for the given buffer with the polynom
36 * 0x2F using the precompiled CRC table
37 * @param buf a pointer to a buffer of the given length
38 * @param len the length of the given buffer
39 * @param seed The seed to use.
40 * @return the CRC8 checksum for the buffer
41 */
42 WS_DLL_PUBLIC guint8 crc8_0x2F(guint8 *buf, guint32 len, guint8 seed);
43  
44 #ifdef __cplusplus
45 }
46 #endif /* __cplusplus */
47  
48 #endif /* crc8.h */