1 /* Test double free bug in __printf_fp_l (bug 26214).
2 Copyright (C) 2020-2021 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 <mcheck.h>
20 #include <stdio.h>
21 #include <sys/resource.h>
22 #include <support/check.h>
23
24 static int
do_test(void)25 do_test (void)
26 {
27 mtrace ();
28 FILE *fp = fopen ("/dev/full", "w");
29 TEST_VERIFY_EXIT (fp != NULL);
30 char buf[131072];
31 TEST_VERIFY_EXIT (setvbuf (fp, buf, _IOFBF, sizeof buf) == 0);
32 TEST_COMPARE (fprintf (fp, "%-1000000.65536f", 1.0), -1);
33 fclose (fp);
34 return 0;
35 }
36
37 #include <support/test-driver.c>
38