coreutils/lib/xgetcwd.c

/* xgetcwd.c -- return current directory with unlimited length

   Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

/* Written by Jim Meyering.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include "xgetcwd.h"

#include <errno.h>

#include "getcwd.h"
#include "xalloc.h"

/* Return the current directory, newly allocated.
   Upon an out-of-memory error, call xalloc_die.
   Upon any other type of error, return NULL.  */

char *
xgetcwd (void)
{
  char *cwd = getcwd (NULL, 0);
  if (! cwd && errno == ENOMEM)
    xalloc_die ();
  return cwd;
}