1/* Test large width or precision does not involve large allocation.
2 Copyright (C) 2020-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <stdio.h>
20#include <sys/resource.h>
21#include <support/check.h>
22
23char test_string[] = "test";
24
25static int
26do_test (void)
27{
28 struct rlimit limit;
29 TEST_VERIFY_EXIT (getrlimit (RLIMIT_AS, &limit) == 0);
30 limit.rlim_cur = 200 * 1024 * 1024;
31 TEST_VERIFY_EXIT (setrlimit (RLIMIT_AS, &limit) == 0);
32 FILE *fp = fopen ("/dev/null", "w");
33 TEST_VERIFY_EXIT (fp != NULL);
34 TEST_COMPARE (fprintf (fp, "%1000000000d", 1), 1000000000);
35 TEST_COMPARE (fprintf (fp, "%.1000000000s", test_string), 4);
36 TEST_COMPARE (fprintf (fp, "%1000000000d %1000000000d", 1, 2), 2000000001);
37 TEST_COMPARE (fprintf (fp, "%2$.*1$s", 0x7fffffff, test_string), 4);
38 return 0;
39}
40
41#include <support/test-driver.c>
42

source code of glibc/stdio-common/tst-vfprintf-width-prec-alloc.c