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diff --git a/lib/backupstore/StoreStructure.cpp b/lib/backupstore/StoreStructure.cpp
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+// distribution boxbackup-0.10 (svn version: 494)
+//  
+// Copyright (c) 2003 - 2006
+//      Ben Summers and contributors.  All rights reserved.
+//  
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. All use of this software and associated advertising materials must 
+//    display the following acknowledgment:
+//        This product includes software developed by Ben Summers.
+// 4. The names of the Authors may not be used to endorse or promote
+//    products derived from this software without specific prior written
+//    permission.
+// 
+// [Where legally impermissible the Authors do not disclaim liability for 
+// direct physical injury or death caused solely by defects in the software 
+// unless it is modified by a third party.]
+// 
+// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
+// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//  
+//  
+//  
+// --------------------------------------------------------------------------
+//
+// File
+//		Name:    StoreStructure.cpp
+//		Purpose: 
+//		Created: 11/12/03
+//
+// --------------------------------------------------------------------------
+
+#include "Box.h"
+
+#include "StoreStructure.h"
+#include "RaidFileRead.h"
+#include "RaidFileWrite.h"
+#include "RaidFileController.h"
+
+#include "MemLeakFindOn.h"
+
+
+// --------------------------------------------------------------------------
+//
+// Function
+//		Name:    StoreStructure::MakeObjectFilename(int64_t, const std::string &, int, std::string &, bool)
+//		Purpose: Builds the object filename for a given object, given a root. Optionally ensure that the
+//				 directory exists.
+//		Created: 11/12/03
+//
+// --------------------------------------------------------------------------
+void StoreStructure::MakeObjectFilename(int64_t ObjectID, const std::string &rStoreRoot, int DiscSet, std::string &rFilenameOut, bool EnsureDirectoryExists)
+{
+	const static char *hex = "0123456789abcdef";
+
+	// Set output to root string
+	rFilenameOut = rStoreRoot;
+
+	// get the id value from the stored object ID so we can do
+	// bitwise operations on it.
+	uint64_t id = (uint64_t)ObjectID;
+
+	// get leafname, shift the bits which make up the leafname off
+	unsigned int leafname(id & STORE_ID_SEGMENT_MASK);
+	id >>= STORE_ID_SEGMENT_LENGTH;
+
+	// build pathname
+	while(id != 0)
+	{
+		// assumes that the segments are no bigger than 8 bits
+		int v = id & STORE_ID_SEGMENT_MASK;
+		rFilenameOut += hex[(v & 0xf0) >> 4];
+		rFilenameOut += hex[v & 0xf];
+		rFilenameOut += DIRECTORY_SEPARATOR_ASCHAR;
+
+		// shift the bits we used off the pathname
+		id >>= STORE_ID_SEGMENT_LENGTH;
+	}
+	
+	// Want to make sure this exists?
+	if(EnsureDirectoryExists)
+	{
+		if(!RaidFileRead::DirectoryExists(DiscSet, rFilenameOut))
+		{
+			// Create it
+			RaidFileWrite::CreateDirectory(DiscSet, rFilenameOut, true /* recusive */);
+		}
+	}
+
+	// append the filename
+	rFilenameOut += 'o';
+	rFilenameOut += hex[(leafname & 0xf0) >> 4];
+	rFilenameOut += hex[leafname & 0xf];
+}
+
+
+// --------------------------------------------------------------------------
+//
+// Function
+//		Name:    StoreStructure::MakeWriteLockFilename(const std::string &, int, std::string &)
+//		Purpose: Generate the on disc filename of the write lock file
+//		Created: 15/12/03
+//
+// --------------------------------------------------------------------------
+void StoreStructure::MakeWriteLockFilename(const std::string &rStoreRoot, int DiscSet, std::string &rFilenameOut)
+{
+	// Find the disc set
+	RaidFileController &rcontroller(RaidFileController::GetController());
+	RaidFileDiscSet &rdiscSet(rcontroller.GetDiscSet(DiscSet));
+	
+	// Make the filename
+	std::string writeLockFile(rdiscSet[0] + DIRECTORY_SEPARATOR + rStoreRoot + "write.lock");
+
+	// Return it to the caller
+	rFilenameOut = writeLockFile;
+}
+
+