2 files changed, 33 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/lib/isdir.c b/gnulib/lib/isdir.c
new file mode 100644
index 0000000..77cd7a2
--- /dev/null
+++ b/gnulib/lib/isdir.c
@@ -0,0 +1,33 @@
+/* isdir.c -- determine whether a directory exists
+
+   Copyright (C) 1990, 1998, 2006, 2009-2011 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/>.  */
+
+#include <config.h>
+
+#include "isdir.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+/* If PATH is an existing directory or symbolic link to a directory,
+   return nonzero, else 0.  */
+int
+isdir (const char *path)
+{
+  struct stat stats;
+
+  return stat (path, &stats) == 0 && S_ISDIR (stats.st_mode);
+}