libuuid/common/uuid.c

362 struct_to_string(uuid_t ptr, struct uuid *uu)
367 	tmp = uu->time_low;
376 	tmp = uu->time_mid;
381 	tmp = uu->time_hi_and_version;
386 	tmp = uu->clock_seq_hi_and_reserved;
388 	tmp = uu->clock_seq_low;
391 	(void) memcpy(out+10, uu->node_addr, 6);
434 uuid_generate_random(uuid_t uu)
438 	if (uu == NULL)
441 	(void) memset(uu, 0, sizeof (uuid_t));
444 	fill_random_bytes(uu, sizeof (uuid_t));
445 	string_to_struct(&uuid, uu);
466 	struct_to_string(uu, &uuid);
473 uuid_generate_time(uuid_t uu)
477 	if (uu == NULL)
481 		uuid_generate_random(uu);
485 	struct_to_string(uu, &uuid);
495 uuid_generate(uuid_t uu)
499 	if (uu == NULL) {
505 		uuid_generate_random(uu);
507 		(void) uuid_generate_time(uu);
521  * Sets the value of the supplied uuid variable uu, to the NULL value.
524 uuid_clear(uuid_t uu)
526 	(void) memset(uu, 0, UUID_LEN);
530  * This function converts the supplied UUID uu from the internal
535 uuid_unparse(uuid_t uu, char *out)
543 	if (uu == NULL) {
553 	string_to_struct(&uuid, uu);
569  * UUID variable uu to the NULL value. If the value is equal
573 uuid_is_null(uuid_t uu)
579 	i = memcmp(uu, null_uu, sizeof (uuid_t));
581 		/* uu is NULL uuid */
593  * in the location pointed to by uu
596 uuid_parse(char *in, uuid_t uu)
605 	if ((strlen(in) != 36) || (uu == NULL) || (in[36] != '\0')) {
636 	struct_to_string(uu, &uuid);
641  * uuid_time extracts the time at which the supplied UUID uu
649 uuid_time(uuid_t uu, struct timeval *ret_tv)
658 	string_to_struct(&uuid, uu);
662 	/* check if uu is NULL, Version = 1 of DCE and Variant = 0b10x */
663 	if ((uu == NULL) || ((tmp & 0x01) != 0x01) || ((clk & 0x80) != 0x80)) {