| /* Test of <unistd.h> substitute. |
| Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc. |
| |
| 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 3 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, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ |
| |
| #include <config.h> |
| |
| #include <unistd.h> |
| |
| #include "verify.h" |
| |
| /* Check that NULL can be passed through varargs as a pointer type, |
| per POSIX 2008. */ |
| verify (sizeof NULL == sizeof (void *)); |
| |
| /* Check that the various SEEK_* macros are defined. */ |
| int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET }; |
| |
| /* Check that the various *_FILENO macros are defined. */ |
| #if ! (defined STDIN_FILENO \ |
| && (STDIN_FILENO + STDOUT_FILENO + STDERR_FILENO == 3)) |
| missing or broken *_FILENO macros |
| #endif |
| |
| /* Check that the types are all defined. */ |
| size_t t1; |
| ssize_t t2; |
| #ifdef TODO /* Not implemented in gnulib yet */ |
| uid_t t3; |
| gid_t t4; |
| #endif |
| off_t t5; |
| pid_t t6; |
| #ifdef TODO |
| useconds_t t7; |
| intptr_t t8; |
| #endif |
| |
| int |
| main (void) |
| { |
| return 0; |
| } |