- uid = geteuid();
- if((p = getpwuid(uid))!=NULL) {
- puts(p->pw_name);
- bb_fflush_stdout_and_exit(EXIT_SUCCESS);
- }
- bb_error_msg_and_die("cannot find username for UID %u", (unsigned) uid);
+ puts(bb_getpwuid(NULL, geteuid(), -1));
+ /* exits on error */
+ bb_fflush_stdout_and_exit(EXIT_SUCCESS);