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41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/* Check IOV_MAX definition for consistency (bug 22321).
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Copyright (C) 2017-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Defined in tst-sysconf-iov_max-uapi.c. */
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long uio_maxiov_value (void);
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#include <limits.h>
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#include <support/check.h>
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#include <sys/uio.h>
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#include <unistd.h>
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static int
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do_test (void)
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{
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TEST_VERIFY (_XOPEN_IOV_MAX == 16); /* Value required by POSIX. */
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TEST_VERIFY (uio_maxiov_value () >= _XOPEN_IOV_MAX);
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TEST_VERIFY (IOV_MAX == uio_maxiov_value ());
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TEST_VERIFY (UIO_MAXIOV == uio_maxiov_value ());
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TEST_VERIFY (sysconf (_SC_UIO_MAXIOV) == uio_maxiov_value ());
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TEST_VERIFY (sysconf (_SC_IOV_MAX) == uio_maxiov_value ());
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return 0;
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}
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#include <support/test-driver.c>
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