Blame sysdeps/unix/sysv/linux/tst-personality.c

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/* BZ #19408 linux personality syscall wrapper test.
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   Copyright (C) 2015-2018 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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   <http://www.gnu.org/licenses/>.  */
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#include <errno.h>
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#include <sys/personality.h>
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static int
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do_test (void)
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{
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  int rc = 0;
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  unsigned int test_persona = -EINVAL;
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  unsigned int saved_persona;
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  errno = 0xdefaced;
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  saved_persona = personality (0xffffffff);
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  if (personality (test_persona) != saved_persona ||
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      personality (0xffffffff) == -1 ||
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      personality (PER_LINUX) == -1 ||
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      personality (0xffffffff) != PER_LINUX ||
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      0xdefaced != errno)
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    rc = 1;
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  (void) personality (saved_persona);
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  return rc;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"