1 files changed, 83 insertions, 0 deletions
diff --git a/cpukit/libfs/src/imfs/ioman.c b/cpukit/libfs/src/imfs/ioman.c
new file mode 100644
index 0000000000..f8b725e987
--- /dev/null
+++ b/cpukit/libfs/src/imfs/ioman.c
@@ -0,0 +1,83 @@
+/*
+ *  This file emulates the old Classic RTEMS IO manager directives
+ *  which register and lookup names using the in-memory filesystem.
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <assert.h>
+
+#include <rtems.h>
+#include "libio_.h"
+#include "imfs.h"
+
+/* 
+ *  rtems_io_register_name
+ *
+ *  This assumes that all registered devices are character devices.
+ */
+
+rtems_status_code rtems_io_register_name(
+  char *device_name,
+  rtems_device_major_number major,
+  rtems_device_minor_number minor
+)
+{
+  int    status;
+  dev_t  dev;
+
+  dev = rtems_filesystem_make_dev_t( major, minor );
+  status = mknod( device_name, 0777 | S_IFCHR, dev );
+
+  /* this is the only error returned by the old version */
+  if ( status )
+    return RTEMS_TOO_MANY;
+ 
+  return RTEMS_SUCCESSFUL;
+}
+
+/* 
+ *  rtems_io_lookup_name
+ *
+ *  This version is not reentrant.
+ */
+
+rtems_status_code rtems_io_lookup_name(
+  const char           *name,
+  rtems_driver_name_t **device_info
+)
+{
+  IMFS_jnode_t                      *the_jnode;
+  rtems_filesystem_location_info_t   temp_loc;
+  static rtems_driver_name_t         device;
+  int                                result;
+
+  result = rtems_filesystem_evaluate_path( name, 0x00, &temp_loc, TRUE );
+  the_jnode = temp_loc.node_access;
+
+  if ( (result != 0) || the_jnode->type != IMFS_DEVICE ) {
+    *device_info = 0;
+    return RTEMS_UNSATISFIED;
+  }
+
+  device.device_name        = (char *) name;
+  device.device_name_length = strlen( name );
+  device.major              = the_jnode->info.device.major;
+  device.minor              = the_jnode->info.device.minor;
+  *device_info              = &device;
+  return RTEMS_SUCCESSFUL;
+
+}