Blame sysdeps/x86_64/tst-mallocalign1.c

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/* Copyright (C) 2012-2018 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 <stdio.h>
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#include <stdlib.h>
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/* Specified by x86-64 psABI.  */
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#define ALIGN_MASK (16 - 1)
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void *
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test (size_t s)
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{
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  void *p = malloc (s);
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  printf ("malloc: %ld, %p: %ld\n", (unsigned long) s, p,
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	  ((unsigned long) p) & ALIGN_MASK);
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  return p;
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}
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static int
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do_test (void)
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{
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  void *p;
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  int ret = 0;
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  p = test (2);
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  ret |= (unsigned long) p & ALIGN_MASK;
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  free (p);
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  p = test (8);
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  ret |= (unsigned long) p & ALIGN_MASK;
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  free (p);
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  p = test (13);
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  ret |= (unsigned long) p & ALIGN_MASK;
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  free (p);
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  p = test (16);
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  ret |= (unsigned long) p & ALIGN_MASK;
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  free (p);
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  p = test (23);
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  ret |= (unsigned long) p & ALIGN_MASK;
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  free (p);
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  p = test (43);
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  ret |= (unsigned long) p & ALIGN_MASK;
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  free (p);
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  p = test (123);
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  ret |= (unsigned long) p & ALIGN_MASK;
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  free (p);
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  return ret;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"