7d444840-9dc0-11d1-b245-5ffdce74fad2
An RFC4122 test UUID

A gnome glib test uuid

https://github.com/GNOME/glib/blob/master/glib/tests/guuid.c
0
An RFC4122 test UUID

https://tools.ietf.org/html/rfc4122
1
Seen in rfc4122

Seen in RFC 4122
Counts : rfc4122:1
RFC 4122                  A UUID URN Namespace                 July 2005


uuid_t NameSpace_DNS = { /* 6ba7b810-9dad-11d1-80b4-00c04fd430c8 */
    0x6ba7b810,
    0x9dad,
    0x11d1,
    0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8
};

/* puid -- print a UUID */
void puid(uuid_t u)
{
    int i;

    printf("%8.8x-%4.4x-%4.4x-%2.2x%2.2x-", u.time_low, u.time_mid,
    u.time_hi_and_version, u.clock_seq_hi_and_reserved,
    u.clock_seq_low);
    for (i = 0; i < 6; i++)
        printf("%2.2x", u.node[i]);
    printf("\n");
}

/* Simple driver for UUID generator */
void main(int argc, char **argv)
{
    uuid_t u;
    int f;

    uuid_create(&u);
    printf("uuid_create(): "); puid(u);

    f = uuid_compare(&u, &u);
    printf("uuid_compare(u,u): %d\n", f);     /* should be 0 */
    f = uuid_compare(&u, &NameSpace_DNS);
    printf("uuid_compare(u, NameSpace_DNS): %d\n", f); /* s.b. 1 */
    f = uuid_compare(&NameSpace_DNS, &u);
    printf("uuid_compare(NameSpace_DNS, u): %d\n", f); /* s.b. -1 */
    uuid_create_md5_from_name(&u, NameSpace_DNS, "www.widgets.com", 15);
    printf("uuid_create_md5_from_name(): "); puid(u);
}

Appendix B.  Appendix B - Sample Output of utest

     uuid_create(): 7d444840-9dc0-11d1-b245-5ffdce74fad2
     uuid_compare(u,u): 0
     uuid_compare(u, NameSpace_DNS): 1
     uuid_compare(NameSpace_DNS, u): -1
     uuid_create_md5_from_name(): e902893a-9d22-3c7e-a7b8-d6e313b71d9f





Leach, et al.               Standards Track                    [Page 29]
-1 RFC regex push
also a google/uuid test uuid

https://github.com/google/uuid/blob/master/uuid_test.go
0