1 /* Copyright (C) 1991-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <mcheck.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <unistd.h>
22
23 int
main(void)24 main (void)
25 {
26 char *dir;
27
28 /* Let this program be used for debugging. */
29 mtrace ();
30
31 dir = getcwd ((char *) NULL, 0);
32
33 if (dir == NULL)
34 perror ("getcwd");
35 else
36 {
37 puts (dir);
38 free (dir);
39 }
40
41 return (dir == NULL ? EXIT_FAILURE : EXIT_SUCCESS);
42 }
43