2001-01-05 Joel Sherrill <joel@OARcorp.com>

* devnull: New addition.  Moved from libcpu/sh.
	* devnull/devnull.c, devnull/devnull.h, devnull/.cvsignore,
	devnull/Makefile.am: New files.
	* Makefile.am, configure.in, wrapup/Makefile.am: Modified to reflect
	addition of above.

c/src/libmisc/devnull/devnull.h

@@ -0,0 +1,71 @@
+/*  devnull.h
+ *
+ *  Null device driver, derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1989-2000.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#ifndef __NULL_DRIVER_h
+#define __NULL_DRIVER_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DEVNULL_DRIVER_TABLE_ENTRY \
+  { null_initialize, null_open, null_close, null_read, \
+    null_write, null_control }
+
+#define NULL_SUCCESSFUL RTEMS_SUCCESSFUL
+
+rtems_device_driver null_initialize(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_open(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_close(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_read(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_write(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_control(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */