tar-1.29HEADtar-1.29master

1 files changed, 41 insertions, 0 deletions

diff --git a/gnu/xgetcwd.c b/gnu/xgetcwd.c
new file mode 100644
index 0000000..cbaf4d8
--- /dev/null
+++ b/gnu/xgetcwd.c
@@ -0,0 +1,41 @@
+/* xgetcwd.c -- return current directory with unlimited length
+
+   Copyright (C) 2001, 2003-2004, 2006-2007, 2009-2015 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 <http://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.  */
+
+char *
+xgetcwd (void)
+{
+  char *cwd = getcwd (NULL, 0);
+  if (! cwd && errno == ENOMEM)
+    xalloc_die ();
+  return cwd;
+}