- my_getpwuid(user, uid);
- if (*user) {
- puts(user);
- return EXIT_SUCCESS;
- }
- error_msg_and_die("cannot find username for UID %u", (unsigned) uid);
+ puts(my_getpwuid(NULL, geteuid(), -1));
+ /* exits on error */
+ bb_fflush_stdout_and_exit(EXIT_SUCCESS);