diff options
Diffstat (limited to 'gl/lib/xgetcwd.c')
-rw-r--r-- | gl/lib/xgetcwd.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gl/lib/xgetcwd.c b/gl/lib/xgetcwd.c new file mode 100644 index 0000000..619c770 --- /dev/null +++ b/gl/lib/xgetcwd.c @@ -0,0 +1,41 @@ +/* xgetcwd.c -- return current directory with unlimited length + + Copyright (C) 2001, 2003-2004, 2006-2007, 2009-2022 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. */ + +/* Written by Jim Meyering. */ + +#include <config.h> + +#include "xgetcwd.h" + +#include <errno.h> +#include <unistd.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 with errno set. */ + +char * +xgetcwd (void) +{ + char *cwd = getcwd (NULL, 0); + if (! cwd && errno == ENOMEM) + xalloc_die (); + return cwd; +} |