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/* Test sbrk.
Copyright (C) 2013-2015 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 <errno.h>
#include <stdio.h>
#include <unistd.h>
static int
do_test (void)
{
/* Try to advance the program break by 1 MiB. */
void *one_mib = sbrk (1 * 1024 * 1024);
if (one_mib == (void *) -1)
{
if (errno != ENOMEM)
printf ("sbrk (1 MiB) failed, and with wrong errno: %m\n");
else
printf ("sbrk (1 MiB) failed\n");
return 1;
}
else
printf ("sbrk at %p\n", one_mib);
return 0;
}
/* TODO: fix rlimit bug. 64 MiB (test-skeleton.c's default) should be
enough. */
#define TEST_DATA_LIMIT RLIM_INFINITY
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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