| /* Check IOV_MAX definition for consistency (bug 22321). |
| Copyright (C) 2017-2018 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/>. */ |
| |
| /* Defined in tst-sysconf-iov_max-uapi.c. */ |
| long uio_maxiov_value (void); |
| |
| |
| #include <limits.h> |
| #include <support/check.h> |
| #include <sys/uio.h> |
| #include <unistd.h> |
| |
| static int |
| do_test (void) |
| { |
| TEST_VERIFY (_XOPEN_IOV_MAX == 16); /* Value required by POSIX. */ |
| TEST_VERIFY (uio_maxiov_value () >= _XOPEN_IOV_MAX); |
| TEST_VERIFY (IOV_MAX == uio_maxiov_value ()); |
| TEST_VERIFY (UIO_MAXIOV == uio_maxiov_value ()); |
| TEST_VERIFY (sysconf (_SC_UIO_MAXIOV) == uio_maxiov_value ()); |
| TEST_VERIFY (sysconf (_SC_IOV_MAX) == uio_maxiov_value ()); |
| return 0; |
| } |
| |
| #include <support/test-driver.c> |
