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>
135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
/*
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* crc16-plain.h
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* http://www.tty1.net/pycrc/faq_en.html#code-ownership
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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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/**
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* \file crc16-plain.h
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* Functions and types for CRC checks.
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*
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* Generated on Wed Mar 18 14:12:15 2009,
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* by pycrc v0.7, http://www.tty1.net/pycrc/
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* using the configuration:
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* Width = 16
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* Poly = 0x8005
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* XorIn = 0x0000
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* ReflectIn = True
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* XorOut = 0x0000
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* ReflectOut = True
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* Algorithm = table-driven
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* Direct = True
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*
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* Modified 2009-03-16 not to include <stdint.h> as our Win32 environment
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* appears not to have it; we're using GLib types, instead.
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*****************************************************************************/
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#ifndef __CRC____PLAIN_H__
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#define __CRC____PLAIN_H__
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#include "ws_symbol_export.h"
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#include <glib.h>
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#include <stdlib.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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* The type of the CRC values.
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*
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* This type must be big enough to contain at least 16 bits.
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*****************************************************************************/
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typedef guint16 crc16_plain_t;
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/**
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* Reflect all bits of a \a data word of \a data_len bytes.
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*
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* \param data The data word to be reflected.
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* \param data_len The width of \a data expressed in number of bits.
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* \return The reflected data.
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*****************************************************************************/
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long crc16_plain_reflect(long data, size_t data_len);
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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 crc16_plain_t crc16_plain_init(void)
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{
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return 0x0000;
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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
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crc16_plain_t crc16_plain_update(crc16_plain_t crc, const unsigned char *data, size_t 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 crc16_plain_t crc16_plain_finalize(crc16_plain_t crc)
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{
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return crc ^ 0x0000;
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}
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/* Generated on Tue Jul 24 09:08:46 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 = 16
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* Poly = 0x8005
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* XorIn = 0x0000
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* ReflectIn = False
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* XorOut = 0x0000
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* ReflectOut = False
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* Algorithm = table-driven
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*
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* Calculate the crc-16 (x^16 + x^15 + x^2 + 1) value for data. Note that this
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* CRC is not equal to crc16_plain.
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*
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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 crc value.
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*****************************************************************************/
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WS_DLL_PUBLIC
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guint16 crc16_8005_noreflect_noxor(const guint8 *data, guint64 data_len);
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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 /* __CRC____PLAIN_H__ */
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