1/* xgetcwd.c -- return current directory with unlimited length
2
3   Copyright (C) 2001, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
4
5   This program is free software: you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program 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
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18/* Written by Jim Meyering.  */
19
20#include <config.h>
21
22#include "xgetcwd.h"
23
24#include <errno.h>
25#include <unistd.h>
26
27#include "xalloc.h"
28
29/* Return the current directory, newly allocated.
30   Upon an out-of-memory error, call xalloc_die.
31   Upon any other type of error, return NULL.  */
32
33char *
34xgetcwd (void)
35{
36  char *cwd = getcwd (NULL, 0);
37  if (! cwd && errno == ENOMEM)
38    xalloc_die ();
39  return cwd;
40}
41