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