1 files changed, 65 insertions, 0 deletions
diff --git a/misc/tst-fdset.c b/misc/tst-fdset.c
new file mode 100644
index 0000000000..ddd25c3101
--- /dev/null
+++ b/misc/tst-fdset.c
@@ -0,0 +1,65 @@
+/* Test FD* macros.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Robert Bihlmeyer <robbe@orcus.priv.at>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdio.h>
+#include <sys/types.h>
+
+int
+main (void)
+{
+  int retval = 0;
+  int i;
+  fd_set set;
+
+  FD_ZERO (&set);
+  for (i=0; i < FD_SETSIZE; ++i)
+    {
+      printf ("%d =>  check:", i);
+      if (FD_ISSET (i, &set) == 0)
+	fputs ("ok", stdout);
+      else
+	{
+	  fputs ("nok", stdout);
+	  retval = 1;
+	}
+      fputs (", set", stdout);
+      FD_SET (i, &set);
+      fputs (", check:", stdout);
+      if (FD_ISSET (i, &set) == 1)
+	fputs ("ok", stdout);
+      else
+	{
+	  fputs ("nok", stdout);
+	  retval = 1;
+	}
+      fputs (", clear", stdout);
+      FD_CLR (i, &set);
+      fputs (", check:", stdout);
+      if (FD_ISSET (i, &set) == 0)
+	puts ("ok");
+      else
+	{
+	  puts ("nok");
+	  retval = 1;
+	}
+    }
+
+  return retval;
+}