1 /* xgetcwd.c -- return current directory with unlimited length
2
3 Copyright (C) 2001, 2003-2004, 2006-2007, 2009-2021 Free Software
4 Foundation, Inc.
5
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18
19 /* Written by Jim Meyering. */
20
21 #include <config.h>
22
23 #include "xgetcwd.h"
24
25 #include <errno.h>
26 #include <unistd.h>
27
28 #include "xalloc.h"
29
30 /* Return the current directory, newly allocated.
31 Upon an out-of-memory error, call xalloc_die.
32 Upon any other type of error, return NULL with errno set. */
33
34 char *
xgetcwd(void)35 xgetcwd (void)
36 {
37 char *cwd = getcwd (NULL, 0);
38 if (! cwd && errno == ENOMEM)
39 xalloc_die ();
40 return cwd;
41 }
42