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 2, or (at your option)
8   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, write to the Free Software Foundation,
17   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
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