[babeltrace.git] / src / common / uuid.h

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (C) 2019 Michael Jeanson <mjeanson@efficios.com>
 */

#ifndef BABELTRACE_COMMON_UUID_H
#define BABELTRACE_COMMON_UUID_H

#include <inttypes.h>
#include <stdint.h>
#include "common/macros.h"

#ifdef __cplusplus
extern "C" {
#endif

#define BT_UUID_STR_LEN 36 /* Excludes final \0 */
#define BT_UUID_LEN 16
#define BT_UUID_VER 4

#define BT_UUID_FMT \
	"%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "-%02" SCNx8 \
	"%02" SCNx8 "-%02" SCNx8 "%02" SCNx8 "-%02" SCNx8 "%02" SCNx8 \
	"-%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 \
	"%02" SCNx8

#define BT_UUID_FMT_VALUES(uuid) \
	(uuid)[0], (uuid)[1], (uuid)[2], (uuid)[3], (uuid)[4], (uuid)[5], \
	(uuid)[6], (uuid)[7], (uuid)[8], (uuid)[9], (uuid)[10], (uuid)[11], \
	(uuid)[12], (uuid)[13], (uuid)[14], (uuid)[15]

#define BT_UUID_SCAN_VALUES(uuid) \
	&(uuid)[0], &(uuid)[1], &(uuid)[2], &(uuid)[3], &(uuid)[4], &(uuid)[5], \
	&(uuid)[6], &(uuid)[7], &(uuid)[8], &(uuid)[9], &(uuid)[10], &(uuid)[11], \
	&(uuid)[12], &(uuid)[13], &(uuid)[14], &(uuid)[15]

typedef uint8_t bt_uuid_t[BT_UUID_LEN];

void bt_uuid_generate(bt_uuid_t uuid_out);
void bt_uuid_to_str(const bt_uuid_t uuid_in, char *str_out);
int bt_uuid_from_c_str(const char *str, bt_uuid_t uuid_out);
int bt_uuid_from_str(const char *begin, const char *end, bt_uuid_t uuid_out);
int bt_uuid_compare(const bt_uuid_t uuid_a, const bt_uuid_t uuid_b);
void bt_uuid_copy(bt_uuid_t uuid_dest, const bt_uuid_t uuid_src);

#ifdef __cplusplus
}
#endif

#endif /* BABELTRACE_COMMON_UUID_H */
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: MIT
	3	*
	4	* Copyright (C) 2019 Michael Jeanson <mjeanson@efficios.com>
	5	*/
	6
	7	#ifndef BABELTRACE_COMMON_UUID_H
	8	#define BABELTRACE_COMMON_UUID_H
	9
	10	#include <inttypes.h>
	11	#include <stdint.h>
	12	#include "common/macros.h"
	13
	14	#ifdef __cplusplus
	15	extern "C" {
	16	#endif
	17
	18	#define BT_UUID_STR_LEN 36 /* Excludes final \0 */
	19	#define BT_UUID_LEN 16
	20	#define BT_UUID_VER 4
	21
	22	#define BT_UUID_FMT \
	23	"%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "-%02" SCNx8 \
	24	"%02" SCNx8 "-%02" SCNx8 "%02" SCNx8 "-%02" SCNx8 "%02" SCNx8 \
	25	"-%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 \
	26	"%02" SCNx8
	27
	28	#define BT_UUID_FMT_VALUES(uuid) \
	29	(uuid)[0], (uuid)[1], (uuid)[2], (uuid)[3], (uuid)[4], (uuid)[5], \
	30	(uuid)[6], (uuid)[7], (uuid)[8], (uuid)[9], (uuid)[10], (uuid)[11], \
	31	(uuid)[12], (uuid)[13], (uuid)[14], (uuid)[15]
	32
	33	#define BT_UUID_SCAN_VALUES(uuid) \
	34	&(uuid)[0], &(uuid)[1], &(uuid)[2], &(uuid)[3], &(uuid)[4], &(uuid)[5], \
	35	&(uuid)[6], &(uuid)[7], &(uuid)[8], &(uuid)[9], &(uuid)[10], &(uuid)[11], \
	36	&(uuid)[12], &(uuid)[13], &(uuid)[14], &(uuid)[15]
	37
	38	typedef uint8_t bt_uuid_t[BT_UUID_LEN];
	39
	40	void bt_uuid_generate(bt_uuid_t uuid_out);
	41	void bt_uuid_to_str(const bt_uuid_t uuid_in, char *str_out);
	42	int bt_uuid_from_c_str(const char *str, bt_uuid_t uuid_out);
	43	int bt_uuid_from_str(const char begin, const char end, bt_uuid_t uuid_out);
	44	int bt_uuid_compare(const bt_uuid_t uuid_a, const bt_uuid_t uuid_b);
	45	void bt_uuid_copy(bt_uuid_t uuid_dest, const bt_uuid_t uuid_src);
	46
	47	#ifdef __cplusplus
	48	}
	49	#endif
	50
	51	#endif /* BABELTRACE_COMMON_UUID_H */