/* vi: set sw=4 ts=4: */ /* * Mini whoami implementation for busybox * * Copyright (C) 2000 Edward Betts . * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* getopt not needed */ #include #include #include #include "busybox.h" extern int whoami_main(int argc, char **argv) { char user[9]; uid_t uid = geteuid(); if (argc > 1) show_usage(); my_getpwuid(user, uid); if (*user) { puts(user); return EXIT_SUCCESS; } error_msg_and_die("cannot find username for UID %u", (unsigned) uid); }