/* Copyright (C) 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <unistd.h> #include <stdio.h> #include <string.h> int main (void) { char *login; int errors = 0; login = getlogin (); if (login == NULL) puts ("getlogin returned NULL, no further tests"); else { char name[1024]; int ret; printf ("getlogin returned: `%s'\n", login); ret = getlogin_r (name, sizeof (name)); if (ret == 0) { printf ("getlogin_r returned: `%s'\n", name); if (strcmp (name, login) != 0) { puts ("Error: getlogin and getlogin_r returned different names"); ++errors; } } else { printf ("Error: getlogin_r returned: %d (%s)\n", ret, strerror (ret)); ++errors; } } return errors != 0; }