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1 office 1 /* crc6-tvb.c
2 * CRC-6 tvb routines
3 *
4 * Wireshark - Network traffic analyzer
5 * By Gerald Combs <gerald@wireshark.org>
6 * Copyright 1998 Gerald Combs
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 */
22  
23 #include "config.h"
24  
25 #include <glib.h>
26 #include <epan/tvbuff.h>
27 #include <wsutil/crc6.h>
28 #include <epan/crc6-tvb.h>
29  
30 guint16
31 crc6_compute_tvb(tvbuff_t *tvb, int len)
32 {
33 const guint8 *buf;
34  
35 tvb_ensure_bytes_exist(tvb, 0, len); /* len == -1 not allowed */
36 buf = tvb_get_ptr(tvb, 0, len);
37  
38 return crc6_compute(buf, len);
39 }
40  
41 /*
42 * Editor modelines - http://www.wireshark.org/tools/modelines.html
43 *
44 * Local variables:
45 * c-basic-offset: 4
46 * tab-width: 8
47 * indent-tabs-mode: nil
48 * End:
49 *
50 * vi: set shiftwidth=4 tabstop=8 expandtab:
51 * :indentSize=4:tabSize=8:noTabs=true:
52 */