[babeltrace.git] / src / plugins / lttng-utils / debug-info / crc32.h

/*
 * SPDX-License-Identifier: BSD-4-Clause
 *
 * Copyright (c) 1991, 1993 The Regents of the University of California.
 */

#ifndef _BABELTRACE_CRC32_H
#define _BABELTRACE_CRC32_H

#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include "common/macros.h"

/**
 * Compute a 32-bit cyclic redundancy checksum for a given file.
 *
 * On success, the out parameter crc is set with the computed checksum
 * value,
 *
 * @param fd	File descriptor for the file for which to compute the CRC
 * @param crc	Out parameter, the computed checksum
 * @returns	0 on success, -1 on failure.
 */
BT_HIDDEN
int crc32(int fd, uint32_t *crc);

#endif	/* _BABELTRACE_CRC32_H */
Commit	Line	Data
c40a57e5	1	/*
0235b0db	2	* SPDX-License-Identifier: BSD-4-Clause
c40a57e5	3	*
0235b0db	4	* Copyright (c) 1991, 1993 The Regents of the University of California.
c40a57e5 AB	5	*/
c40a57e5 AB	6
0235b0db MJ	7	#ifndef _BABELTRACE_CRC32_H
	8	#define _BABELTRACE_CRC32_H
	9
c40a57e5 AB	10	#include <stdint.h>
	11	#include <stdio.h>
	12	#include <unistd.h>
91d81473	13	#include "common/macros.h"
c40a57e5 AB	14
	15	/**
	16	* Compute a 32-bit cyclic redundancy checksum for a given file.
	17	*
	18	* On success, the out parameter crc is set with the computed checksum
	19	* value,
	20	*
	21	* @param fd File descriptor for the file for which to compute the CRC
	22	* @param crc Out parameter, the computed checksum
	23	* @returns 0 on success, -1 on failure.
	24	*/
	25	BT_HIDDEN
	26	int crc32(int fd, uint32_t *crc);
	27
	28	#endif /* _BABELTRACE_CRC32_H */