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/* Check IOV_MAX definition for consistency (bug 22321).
Copyright (C) 2017-2020 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
<https://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>
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