glibc/sysdeps/x86_64/tst-mallocalign1.c

73 lines
1.6 KiB
C

/* Copyright (C) 2012-2016 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
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
/* Specified by x86-64 psABI. */
#define ALIGN_MASK (16 - 1)
void *
test (size_t s)
{
void *p = malloc (s);
printf ("malloc: %ld, %p: %ld\n", (unsigned long) s, p,
((unsigned long) p) & ALIGN_MASK);
return p;
}
static int
do_test (void)
{
void *p;
int ret = 0;
p = test (2);
ret |= (unsigned long) p & ALIGN_MASK;
free (p);
p = test (8);
ret |= (unsigned long) p & ALIGN_MASK;
free (p);
p = test (13);
ret |= (unsigned long) p & ALIGN_MASK;
free (p);
p = test (16);
ret |= (unsigned long) p & ALIGN_MASK;
free (p);
p = test (23);
ret |= (unsigned long) p & ALIGN_MASK;
free (p);
p = test (43);
ret |= (unsigned long) p & ALIGN_MASK;
free (p);
p = test (123);
ret |= (unsigned long) p & ALIGN_MASK;
free (p);
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"