[fireball] 29114: - Implement a fast->slow leaf conversion (this assert was hit by OO.o setup)

Author: fireball
Date: Thu Sep 20 14:36:36 2007
New Revision: 29114

URL: http://svn.reactos.org/svn/reactos?rev=29114&view=rev
Log:
- Implement a fast->slow leaf conversion (this assert was hit by OO.o setup)

Modified:
    trunk/reactos/ntoskrnl/config/cmindex.c

Modified: trunk/reactos/ntoskrnl/config/cmindex.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/config/cmindex.c?r...
==============================================================================
--- trunk/reactos/ntoskrnl/config/cmindex.c (original)
+++ trunk/reactos/ntoskrnl/config/cmindex.c Thu Sep 20 14:36:36 2007
@@ -1125,10 +1125,11 @@
 {
     PCM_KEY_NODE KeyNode;
     PCM_KEY_INDEX Index;
+    PCM_KEY_FAST_INDEX OldIndex;
     UNICODE_STRING Name;
     HCELL_INDEX IndexCell = HCELL_NIL, CellToRelease = HCELL_NIL, LeafCell;
     PHCELL_INDEX RootPointer = NULL;
-    ULONG Type;
+    ULONG Type, i;
     BOOLEAN IsCompressed;
     PAGED_CODE();

@@ -1245,9 +1246,21 @@
         if ((Index->Signature == CM_KEY_FAST_LEAF) &&
             (Index->Count >= CmpMaxFastIndexPerHblock))
         {
-            /* Not handled yet */
-            DPRINT1("Fast->Slow Leaf Conversion not yet implemented!\n");
-            ASSERT(FALSE);
+            DPRINT("Doing Fast->Slow Leaf conversion\n");
+
+            /* Mark this cell as dirty */
+            HvMarkCellDirty(Hive, CellToRelease);
+
+            /* Convert */
+            OldIndex = (PCM_KEY_FAST_INDEX)Index;
+
+            for (i=0; i < OldIndex->Count; i++)
+            {
+                Index->List[i] = OldIndex->List[i].Cell;
+            }
+
+            /* Set the new type value */
+            Index->Signature = CM_KEY_INDEX_LEAF;
         }
         else if (((Index->Signature == CM_KEY_INDEX_LEAF) ||
                   (Index->Signature == CM_KEY_HASH_LEAF)) &&