1 files changed, 36 insertions, 0 deletions
diff --git a/tests/fdop.c b/tests/fdop.c
new file mode 100644
index 0000000..1729323
--- /dev/null
+++ b/tests/fdop.c
@@ -0,0 +1,36 @@
+/* This file is part of GDBM test suite.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   GDBM 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.
+
+   GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "autoconf.h"
+#include <stdlib.h>
+#include <unistd.h>
+
+/* usage:  fdop FD [FD...]
+   Return: false if any of the FDs is open, true otherwise.
+*/
+int
+main (int argc, char **argv)
+{
+  int fd = dup (0);
+  
+  while (--argc)
+    {
+      int n = atoi (*++argv);
+      if (n < fd)
+	return 1;
+    }
+  return 0;
+}