[people/ms/u-boot.git] / include / tables_csum.h

/*
 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _TABLES_CSUM_H_
#define _TABLES_CSUM_H_

static inline u8 table_compute_checksum(void *v, int len)
{
	u8 *bytes = v;
	u8 checksum = 0;
	int i;

	for (i = 0; i < len; i++)
		checksum -= bytes[i];

	return checksum;
}

#endif
Commit	Line	Data
2b445e4d AG	1	/*
	2	* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6
	7	#ifndef _TABLES_CSUM_H_
	8	#define _TABLES_CSUM_H_
	9
	10	static inline u8 table_compute_checksum(void *v, int len)
	11	{
	12	u8 *bytes = v;
	13	u8 checksum = 0;
	14	int i;
	15
	16	for (i = 0; i < len; i++)
	17	checksum -= bytes[i];
	18
	19	return checksum;
	20	}
	21
	22	#endif