2  * uuid_time.c --- Interpret the time field from a uuid.  This program
3  * 	violates the UUID abstraction barrier by reaching into the guts
4  *	of a UUID and interpreting it.
42 #define UUID MYUUID  macro
61 	struct uuid		uuid;  in uuid_time()  local
65 	uuid_unpack(uu, &uuid);  in uuid_time()
67 	high = uuid.time_mid | ((uuid.time_hi_and_version & 0xFFF) << 16);  in uuid_time()
68 	clock_reg = uuid.time_low | ((uint64_t) high << 32);  in uuid_time()
82 	struct uuid		uuid;  in uuid_type()  local
84 	uuid_unpack(uu, &uuid);  in uuid_type()
85 	return ((uuid.time_hi_and_version >> 12) & 0xF);  in uuid_type()
90 	struct uuid		uuid;  in uuid_variant()  local
93 	uuid_unpack(uu, &uuid);  in uuid_variant()
94 	var = uuid.clock_seq;  in uuid_variant()
130 		fprintf(stderr, "Usage: %s uuid\n", argv[0]);  in main()
134 		fprintf(stderr, "Invalid UUID: %s\n", argv[1]);  in main()
141 	printf("UUID variant is %d (%s)\n", variant, variant_string(variant));  in main()
147 	printf("UUID type is %d", type);  in main()
165 		printf("Warning: not a time-based UUID, so UUID time "  in main()
168 	printf("UUID time is: (%ld, %ld): %s\n", tv.tv_sec, (long)tv.tv_usec,  in main()