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/* Test for memory leak with large width and precision.
Copyright (C) 1991-2021 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
<https://www.gnu.org/licenses/>. */
#include <mcheck.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/resource.h>
#include <wchar.h>
static int
do_test (void)
{
mtrace ();
int ret;
{
char *result;
ret = asprintf (&result, "%133000.133001x", 17);
if (ret < 0)
{
printf ("error: asprintf: %m\n");
return 1;
}
free (result);
}
{
wchar_t *result = calloc (ret + 1, sizeof (wchar_t));
if (result == NULL)
{
printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t));
return 1;
}
ret = swprintf (result, ret + 1, L"%133000.133001x", 17);
if (ret < 0)
{
printf ("error: swprintf: %d (%m)\n", ret);
return 1;
}
free (result);
}
/* Limit the size of the process, so that the second allocation will
fail. */
{
struct rlimit limit;
if (getrlimit (RLIMIT_AS, &limit) != 0)
{
printf ("getrlimit (RLIMIT_AS) failed: %m\n");
return 1;
}
long target = 200 * 1024 * 1024;
if (limit.rlim_cur == RLIM_INFINITY || limit.rlim_cur > target)
{
limit.rlim_cur = target;
if (setrlimit (RLIMIT_AS, &limit) != 0)
{
printf ("setrlimit (RLIMIT_AS) failed: %m\n");
return 1;
}
}
}
{
char *result;
ret = asprintf (&result, "%133000.999999999x", 17);
if (ret >= 0)
{
printf ("error: asprintf: incorrect result %d\n", ret);
return 1;
}
}
{
wchar_t result[100];
if (result == NULL)
{
printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t));
return 1;
}
ret = swprintf (result, 100, L"%133000.999999999x", 17);
if (ret >= 0)
{
printf ("error: swprintf: incorrect result %d\n", ret);
return 1;
}
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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