1 /* xgetcwd.c -- return current directory with unlimited length 2 3 Copyright (C) 2001, 2003-2004, 2006-2007, 2009-2021 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 <https://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 with errno set. */ 33 34 char * 35 xgetcwd (void) /* */ 36 { 37 char *cwd = getcwd (NULL, 0); 38 if (! cwd && errno == ENOMEM) 39 xalloc_die (); 40 return cwd; 41 }