50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Ensure that malloc_usable_size returns the request size with
|
|
MALLOC_CHECK_ exported to a positive value.
|
|
|
|
Copyright (C) 2012-2018 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 <malloc.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
size_t usable_size;
|
|
void *p = malloc (7);
|
|
if (!p)
|
|
{
|
|
printf ("memory allocation failed\n");
|
|
return 1;
|
|
}
|
|
|
|
usable_size = malloc_usable_size (p);
|
|
if (usable_size != 7)
|
|
{
|
|
printf ("malloc_usable_size: expected 7 but got %zu\n", usable_size);
|
|
return 1;
|
|
}
|
|
|
|
memset (p, 0, usable_size);
|
|
free (p);
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|