[thirdparty/u-boot.git] / include / tables_csum.h

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

#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
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0+ */
2b445e4d AG	2	/*
2b445e4d AG	3	* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
2b445e4d AG	4	*/
	5
	6	#ifndef _TABLES_CSUM_H_
	7	#define _TABLES_CSUM_H_
	8
	9	static inline u8 table_compute_checksum(void *v, int len)
	10	{
	11	u8 *bytes = v;
	12	u8 checksum = 0;
	13	int i;
	14
	15	for (i = 0; i < len; i++)
	16	checksum -= bytes[i];
	17
	18	return checksum;
	19	}
	20
	21	#endif