mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* Test for memory leak with large width and precision.
|
|
Copyright (C) 1991-2020 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"
|