wireshark/epan/crc6-tvb.c

53 lines
1.4 KiB
C

/* crc6-tvb.c
* CRC-6 tvb routines
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <glib.h>
#include <epan/tvbuff.h>
#include <wsutil/crc6.h>
#include <epan/crc6-tvb.h>
guint16
crc6_compute_tvb(tvbuff_t *tvb, int len)
{
const guint8 *buf;
tvb_ensure_bytes_exist(tvb, 0, len); /* len == -1 not allowed */
buf = tvb_get_ptr(tvb, 0, len);
return crc6_compute(buf, len);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/