1 files changed, 76 insertions, 0 deletions
diff --git a/cpukit/score/src/objectallocatebyindex.c b/cpukit/score/src/objectallocatebyindex.c
new file mode 100644
index 0000000000..74f4c2c948
--- /dev/null
+++ b/cpukit/score/src/objectallocatebyindex.c
@@ -0,0 +1,76 @@
+/*
+ *  Object Handler
+ *
+ *
+ *  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 <rtems/system.h>
+#include <rtems/score/address.h>
+#include <rtems/score/chain.h>
+#include <rtems/score/object.h>
+#if defined(RTEMS_MULTIPROCESSING)
+#include <rtems/score/objectmp.h>
+#endif
+#include <rtems/score/thread.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/isr.h>
+
+/*PAGE
+ *
+ *  _Objects_Allocate_by_index
+ *
+ *  DESCRIPTION:
+ *
+ *  This function allocates the object control block 
+ *  specified by the index from the inactive chain of 
+ *  free object control blocks.
+ */
+
+Objects_Control *_Objects_Allocate_by_index(
+  Objects_Information *information,
+  unsigned32           index,
+  unsigned32           sizeof_control
+)
+{
+  Objects_Control *the_object;
+  void            *p;
+
+  if ( index && information->maximum >= index ) {
+    the_object = _Objects_Get_local_object( information, index );
+    if ( the_object )
+      return NULL;
+
+    /* XXX
+     *  This whole section of code needs to be addressed.
+     *    +  The 0 should be dealt with more properly so we can autoextend.
+     *    +  The pointer arithmetic is probably too expensive.
+     *    +  etc.
+     */
+    
+    p = _Addresses_Add_offset( information->object_blocks[ 0 ],
+        (information->allocation_size * information->name_length) ),
+
+    p = _Addresses_Add_offset( p, (sizeof_control * (index - 1)) );
+    the_object = (Objects_Control *)p;
+    _Chain_Extract( &the_object->Node );
+ 
+    return the_object;   
+  }    
+
+  /*
+   *  Autoextend will have to be thought out as it applies
+   *  to user assigned indices.
+   */
+
+  return NULL;
+}