mirror of
https://github.com/nitraiolo/CfgUSBLoader.git
synced 2024-12-05 01:24:14 +01:00
27 lines
700 B
C
27 lines
700 B
C
|
/*
|
||
|
|
* crc16.h - CRC-16 routine
|
||
|
|
*
|
||
|
|
* Implements the standard CRC-16:
|
||
|
|
* Width 16
|
||
|
|
* Poly 0x8005 (x16 + x15 + x2 + 1)
|
||
|
|
* Init 0
|
||
|
|
*
|
||
|
|
* Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com>
|
||
|
|
*
|
||
|
|
* This source code is licensed under the GNU General Public License,
|
||
|
|
* Version 2. See the file COPYING for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __CRC16_H
|
||
|
|
#define __CRC16_H
|
||
|
|
|
||
|
|
/* for an unknown reason, PPC treats __u16 as signed and keeps doing sign
|
||
|
|
* extension on the value. Instead, use only the low 16 bits of an
|
||
|
|
* unsigned int for holding the CRC value to avoid this.
|
||
|
|
*/
|
||
|
|
typedef unsigned int crc16_t;
|
||
|
|
|
||
|
|
extern crc16_t ext2fs_crc16(crc16_t crc, const void *buffer, unsigned int len);
|
||
|
|
|
||
|
|
#endif /* __CRC16_H */
|