uuid.c

#include <stdio.h>
#include <string.h>
#include <uuid/uuid.h>
#include <stdlib.h>
#include <libgen.h>

// cc -Wall -pedantic -Werror -o uuid uuid.c
// AND!
// ln uuid uuidt
// for uuid_generate_time() based uuids.

int main (int argc, const char ** argv) {
    uuid_t uuid;
    uuid_string_t uuid_str;
    char * bname = basename((char *) argv[0]);
    if (strncmp(bname, "uuidt", 5) == 0) {
      uuid_generate_time(uuid);
    } else {
      uuid_generate(uuid);
    }
    uuid_unparse_lower(uuid, uuid_str);
    printf("%s\n", uuid_str);
}