2011-05-13 Sebastian Huber <sebastian.huber@embedded-brains.de>

* libmisc/devnull/devzero.c, libmisc/devnull/devzero.h: New files.
	* libmisc/Makefile.am, Makefile.am, preinstall.am: Reflect changes
	above.

cpukit/libmisc/devnull/devzero.h

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#ifndef _RTEMS_DEVZERO_H
+#define _RTEMS_DEVZERO_H
+
+#include <rtems/io.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define DEVZERO_DEVICE_NAME "/dev/zero"
+
+#define DEVZERO_DRIVER_TABLE_ENTRY \
+  { \
+    dev_zero_initialize, \
+    dev_zero_open, \
+    dev_zero_close, \
+    dev_zero_read, \
+    dev_zero_write, \
+    dev_zero_control \
+  }
+
+rtems_device_driver dev_zero_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+rtems_device_driver dev_zero_open(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+rtems_device_driver dev_zero_close(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+rtems_device_driver dev_zero_read(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+rtems_device_driver dev_zero_write(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+rtems_device_driver dev_zero_control(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _RTEMS_DEVZERO_H */