Initial revision

1 files changed, 35 insertions, 0 deletions

diff --git a/lib/isdir.c b/lib/isdir.c
new file mode 100644
index 000000000..08388e13f
--- /dev/null
+++ b/lib/isdir.c
@@ -0,0 +1,35 @@
+/* isdir.c -- determine whether a directory exists
+   Copyright (C) 1990 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 2, 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#if !defined(S_ISDIR) && defined(S_IFDIR)
+#define	S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#endif
+
+/* If PATH is an existing directory or symbolic link to a directory,
+   return nonzero, else 0.  */
+
+int
+isdir (path)
+     char *path;
+{
+  struct stat stats;
+
+  return stat (path, &stats) == 0 && S_ISDIR (stats.st_mode);
+}