| Wireshark 4.7.0 The Wireshark network protocol analyzer

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Macros | Functions
crc7.h File Reference
`#include <wireshark.h>`

Go to the source code of this file.

## Macros
#define | CRC_ALGO_TABLE_DRIVEN 1

## Functions
WS_DLL_PUBLIC uint8_t | crc7update (uint8_t crc, const unsigned char *data, int data_len)
| Update the crc value with new data.

## Detailed Description

Functions and types for CRC checks.

Wireshark - Network traffic analyzer By Gerald Combs geral.nosp@m.d@wi.nosp@m.resha.nosp@m.rk.o.nosp@m.rg Copyright 1998 Gerald Combs

SPDX-License-Identifier: GPL-2.0-or-later

Generated on Wed Jul 11 17:24:57 2012, by pycrc v0.7.10, http://www.tty1.net/pycrc/ using the configuration: Width = 7 Poly = 0x45 XorIn = 0x00 ReflectIn = False XorOut = 0x00 ReflectOut = False Algorithm = table-driven

## Macro Definition Documentation

## ◆ CRC_ALGO_TABLE_DRIVEN

#define CRC_ALGO_TABLE_DRIVEN 1

The definition of the used algorithm.

## Function Documentation

## ◆ crc7update()

WS_DLL_PUBLIC uint8_t crc7update | ( | uint8_t | crc,
|  | const unsigned char * | data,
|  | int | data_len
| ) |  |

Update the crc value with new data.

Parameters

  crc | The current crc value.
  data | Pointer to a buffer of data_len bytes.
  data_len | Number of bytes in the data buffer.

Returns
  The updated crc value.

Update the crc value with new data.

Parameters

  crc | The current crc value.
  data | Pointer to a buffer of data_len bytes.
  data_len | Number of bytes in the data buffer.

Returns
  The updated crc value.