1/* xgetcwd.c -- return current directory with unlimited length
2
3   Copyright (C) 2001, 2003-2004, 2006-2007, 2009-2010 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 <http://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.  */
33
34char *
35xgetcwd (void)
36{
37  char *cwd = getcwd (NULL, 0);
38  if (! cwd && errno == ENOMEM)
39    xalloc_die ();
40  return cwd;
41}
42