Line data    Source code

       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             : 
      33             : char *
      34          19 : xgetcwd (void)
      35             : {
      36          19 :   char *cwd = getcwd (NULL, 0);
      37          19 :   if (! cwd && errno == ENOMEM)
      38           0 :     xalloc_die ();
      39          19 :   return cwd;
      40             : }