1 /* Test of perror() function. 2 Copyright (C) 2008-2021 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3, or (at your option) 7 any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, see <https://www.gnu.org/licenses/>. */ 16 17 #include <config.h> 18 19 #include <stdio.h> 20 21 #include "signature.h" 22 SIGNATURE_CHECK (perror, void, (char const *)); 23 24 #include <errno.h> 25 26 int 27 main (int argc, char **argv) /* */ 28 { 29 const char *prefix = (argc > 1 ? argv[1] : NULL); 30 31 errno = EACCES; perror (prefix); 32 errno = ETIMEDOUT; perror (prefix); 33 errno = EOVERFLOW; perror (prefix); 34 35 return 0; 36 }