1 /* Check IOV_MAX definition for consistency (bug 22321).
2 Copyright (C) 2017-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 /* Defined in tst-sysconf-iov_max-uapi.c. */
20 long uio_maxiov_value (void);
24 #include <support/check.h>
31 TEST_VERIFY (_XOPEN_IOV_MAX
== 16); /* Value required by POSIX. */
32 TEST_VERIFY (uio_maxiov_value () >= _XOPEN_IOV_MAX
);
33 TEST_VERIFY (IOV_MAX
== uio_maxiov_value ());
34 TEST_VERIFY (UIO_MAXIOV
== uio_maxiov_value ());
35 TEST_VERIFY (sysconf (_SC_UIO_MAXIOV
) == uio_maxiov_value ());
36 TEST_VERIFY (sysconf (_SC_IOV_MAX
) == uio_maxiov_value ());
40 #include <support/test-driver.c>