Merged in DV525-merge-6.4.15 (pull request #483)

DRTVWR-525 merge up to 6.4.15

26 files changed, 0 insertions, 8074 deletions

diff --git a/indra/llvfs/CMakeLists.txt b/indra/llvfs/CMakeLists.txt
deleted file mode 100644
index 67dce8c073..0000000000
--- a/indra/llvfs/CMakeLists.txt
+++ /dev/null
@@ -1,104 +0,0 @@
-# -*- cmake -*-
-
-project(llvfs)
-
-include(00-Common)
-include(LLCommon)
-include(UnixInstall)
-
-include_directories(
-    ${LLCOMMON_INCLUDE_DIRS}
-    ${LLCOMMON_SYSTEM_INCLUDE_DIRS}
-    )
-
-set(llvfs_SOURCE_FILES
-    lldir.cpp
-    lldiriterator.cpp
-    lllfsthread.cpp
-    llpidlock.cpp
-    llvfile.cpp
-    llvfs.cpp
-    llvfsthread.cpp
-    )
-
-set(llvfs_HEADER_FILES
-    CMakeLists.txt
-
-    lldir.h
-    lldirguard.h
-    lldiriterator.h
-    lllfsthread.h
-    llpidlock.h
-    llvfile.h
-    llvfs.h
-    llvfsthread.h
-    )
-
-if (DARWIN)
-  LIST(APPEND llvfs_SOURCE_FILES lldir_mac.cpp)
-  LIST(APPEND llvfs_HEADER_FILES lldir_mac.h)
-  LIST(APPEND llvfs_SOURCE_FILES llvfs_objc.mm)
-  LIST(APPEND llvfs_HEADER_FILES llvfs_objc.h)
-endif (DARWIN)
-
-if (LINUX)
-  LIST(APPEND llvfs_SOURCE_FILES lldir_linux.cpp)
-  LIST(APPEND llvfs_HEADER_FILES lldir_linux.h)
-
-  if (INSTALL)
-    set_source_files_properties(lldir_linux.cpp
-                                PROPERTIES COMPILE_FLAGS
-                                "-DAPP_RO_DATA_DIR=\\\"${APP_SHARE_DIR}\\\""
-                                )
-  endif (INSTALL)
-endif (LINUX)
-
-if (WINDOWS)
-  LIST(APPEND llvfs_SOURCE_FILES lldir_win32.cpp)
-  LIST(APPEND llvfs_HEADER_FILES lldir_win32.h)
-endif (WINDOWS)
-
-set_source_files_properties(${llvfs_HEADER_FILES}
-                            PROPERTIES HEADER_FILE_ONLY TRUE)
-
-list(APPEND llvfs_SOURCE_FILES ${llvfs_HEADER_FILES})
-
-add_library (llvfs ${llvfs_SOURCE_FILES})
-
-set(vfs_BOOST_LIBRARIES
-    ${BOOST_FILESYSTEM_LIBRARY}
-    ${BOOST_SYSTEM_LIBRARY}
-    )
-
-target_link_libraries(llvfs
-    ${LLCOMMON_LIBRARIES}
-    ${vfs_BOOST_LIBRARIES}
-    )
-
-if (DARWIN)
-  include(CMakeFindFrameworks)
-  find_library(COCOA_LIBRARY Cocoa)
-  target_link_libraries(llvfs ${COCOA_LIBRARY})
-endif (DARWIN)
-
-
-# Add tests
-if (LL_TESTS)
-    include(LLAddBuildTest)
-    # UNIT TESTS
-    SET(llvfs_TEST_SOURCE_FILES
-    lldiriterator.cpp
-    )
-
-    set_source_files_properties(lldiriterator.cpp
-    PROPERTIES
-    LL_TEST_ADDITIONAL_LIBRARIES "${vfs_BOOST_LIBRARIES}"
-    )
-    LL_ADD_PROJECT_UNIT_TESTS(llvfs "${llvfs_TEST_SOURCE_FILES}")
-
-    # INTEGRATION TESTS
-    set(test_libs llmath llcommon llvfs ${LLCOMMON_LIBRARIES} ${WINDOWS_LIBRARIES})
-
-    # TODO: Some of these need refactoring to be proper Unit tests rather than Integration tests.
-    LL_ADD_INTEGRATION_TEST(lldir "" "${test_libs}")
-endif (LL_TESTS)
diff --git a/indra/llvfs/lldir.cpp b/indra/llvfs/lldir.cpp
deleted file mode 100644
index 9e9abbadff..0000000000
--- a/indra/llvfs/lldir.cpp
+++ /dev/null
@@ -1,1131 +0,0 @@
-/** 
- * @file lldir.cpp
- * @brief implementation of directory utilities base class
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#if !LL_WINDOWS
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <errno.h>
-#else
-#include <direct.h>
-#endif
-
-#include "lldir.h"
-
-#include "llerror.h"
-#include "lltimer.h"	// ms_sleep()
-#include "lluuid.h"
-
-#include "lldiriterator.h"
-#include "stringize.h"
-#include "llstring.h"
-#include <boost/filesystem.hpp>
-#include <boost/foreach.hpp>
-#include <boost/range/begin.hpp>
-#include <boost/range/end.hpp>
-#include <boost/assign/list_of.hpp>
-#include <boost/bind.hpp>
-#include <boost/ref.hpp>
-#include <algorithm>
-
-using boost::assign::list_of;
-using boost::assign::map_list_of;
-
-#if LL_WINDOWS
-#include "lldir_win32.h"
-LLDir_Win32 gDirUtil;
-#elif LL_DARWIN
-#include "lldir_mac.h"
-LLDir_Mac gDirUtil;
-#else
-#include "lldir_linux.h"
-LLDir_Linux gDirUtil;
-#endif
-
-LLDir *gDirUtilp = (LLDir *)&gDirUtil;
-
-/// Values for findSkinnedFilenames(subdir) parameter
-const char
-	*LLDir::XUI      = "xui",
-	*LLDir::TEXTURES = "textures",
-	*LLDir::SKINBASE = "";
-
-static const char* const empty = "";
-std::string LLDir::sDumpDir = "";
-
-LLDir::LLDir()
-:	mAppName(""),
-	mExecutablePathAndName(""),
-	mExecutableFilename(""),
-	mExecutableDir(""),
-	mAppRODataDir(""),
-	mOSUserDir(""),
-	mOSUserAppDir(""),
-	mLindenUserDir(""),
-	mOSCacheDir(""),
-	mCAFile(""),
-	mTempDir(""),
-	mDirDelimiter("/"), // fallback to forward slash if not overridden
-	mLanguage("en"),
-	mUserName("undefined")
-{
-}
-
-LLDir::~LLDir()
-{
-}
-
-std::vector<std::string> LLDir::getFilesInDir(const std::string &dirname)
-{
-    //Returns a vector of fullpath filenames.
-
-#ifdef LL_WINDOWS // or BOOST_WINDOWS_API
-    boost::filesystem::path p(utf8str_to_utf16str(dirname));
-#else
-    boost::filesystem::path p(dirname);
-#endif
-
-    std::vector<std::string> v;
-    
-    if (exists(p))
-    {
-        if (is_directory(p))
-        {
-            boost::filesystem::directory_iterator end_iter;
-            for (boost::filesystem::directory_iterator dir_itr(p);
-                 dir_itr != end_iter;
-                 ++dir_itr)
-            {
-                if (boost::filesystem::is_regular_file(dir_itr->status()))
-                {
-                    v.push_back(dir_itr->path().filename().string());
-                }
-            }
-        }
-    }
-    return v;
-}   
-            
-S32 LLDir::deleteFilesInDir(const std::string &dirname, const std::string &mask)
-{
-	S32 count = 0;
-	std::string filename; 
-	std::string fullpath;
-	S32 result;
-
-	// File masks starting with "/" will match nothing, so we consider them invalid.
-	if (LLStringUtil::startsWith(mask, getDirDelimiter()))
-	{
-		LL_WARNS() << "Invalid file mask: " << mask << LL_ENDL;
-		llassert(!"Invalid file mask");
-	}
-
-	LLDirIterator iter(dirname, mask);
-	while (iter.next(filename))
-	{
-		fullpath = add(dirname, filename);
-
-		if(LLFile::isdir(fullpath))
-		{
-			// skipping directory traversal filenames
-			count++;
-			continue;
-		}
-
-		S32 retry_count = 0;
-		while (retry_count < 5)
-		{
-			if (0 != LLFile::remove(fullpath))
-			{
-				retry_count++;
-				result = errno;
-				LL_WARNS() << "Problem removing " << fullpath << " - errorcode: "
-						<< result << " attempt " << retry_count << LL_ENDL;
-
-				if(retry_count >= 5)
-				{
-					LL_WARNS() << "Failed to remove " << fullpath << LL_ENDL ;
-					return count ;
-				}
-
-				ms_sleep(100);
-			}
-			else
-			{
-				if (retry_count)
-				{
-					LL_WARNS() << "Successfully removed " << fullpath << LL_ENDL;
-				}
-				break;
-			}			
-		}
-		count++;
-	}
-	return count;
-}
-
-U32 LLDir::deleteDirAndContents(const std::string& dir_name)
-{
-    //Removes the directory and its contents.  Returns number of files deleted.
-	
-	U32 num_deleted = 0;
-
-	try
-	{
-#ifdef LL_WINDOWS // or BOOST_WINDOWS_API
-		boost::filesystem::path dir_path(utf8str_to_utf16str(dir_name));
-#else
-		boost::filesystem::path dir_path(dir_name);
-#endif
-
-	   if (boost::filesystem::exists (dir_path))
-	   {
-	      if (!boost::filesystem::is_empty (dir_path))
-		  {   // Directory has content
-		     num_deleted = boost::filesystem::remove_all (dir_path);
-		  }
-		  else
-		  {   // Directory is empty
-		     boost::filesystem::remove (dir_path);
-		  }
-	   }
-	}
-	catch (boost::filesystem::filesystem_error &er)
-	{ 
-		LL_WARNS() << "Failed to delete " << dir_name << " with error " << er.code().message() << LL_ENDL;
-	} 
-	return num_deleted;
-}
-
-const std::string LLDir::findFile(const std::string &filename, 
-						   const std::string& searchPath1, 
-						   const std::string& searchPath2, 
-						   const std::string& searchPath3) const
-{
-	std::vector<std::string> search_paths;
-	search_paths.push_back(searchPath1);
-	search_paths.push_back(searchPath2);
-	search_paths.push_back(searchPath3);
-	return findFile(filename, search_paths);
-}
-
-const std::string LLDir::findFile(const std::string& filename, const std::vector<std::string> search_paths) const
-{
-	std::vector<std::string>::const_iterator search_path_iter;
-	for (search_path_iter = search_paths.begin();
-		search_path_iter != search_paths.end();
-		++search_path_iter)
-	{
-		if (!search_path_iter->empty())
-		{
-			std::string filename_and_path = (*search_path_iter);
-			if (!filename.empty())
-			{
-				filename_and_path += getDirDelimiter() + filename;
-			}
-			if (fileExists(filename_and_path))
-			{
-				return filename_and_path;
-			}
-		}
-	}
-	return "";
-}
-
-
-const std::string &LLDir::getExecutablePathAndName() const
-{
-	return mExecutablePathAndName;
-}
-
-const std::string &LLDir::getExecutableFilename() const
-{
-	return mExecutableFilename;
-}
-
-const std::string &LLDir::getExecutableDir() const
-{
-	return mExecutableDir;
-}
-
-const std::string &LLDir::getWorkingDir() const
-{
-	return mWorkingDir;
-}
-
-const std::string &LLDir::getAppName() const
-{
-	return mAppName;
-}
-
-const std::string &LLDir::getAppRODataDir() const
-{
-	return mAppRODataDir;
-}
-
-const std::string &LLDir::getOSUserDir() const
-{
-	return mOSUserDir;
-}
-
-const std::string &LLDir::getOSUserAppDir() const
-{
-	return mOSUserAppDir;
-}
-
-const std::string &LLDir::getLindenUserDir() const
-{
-	if (mLindenUserDir.empty())
-	{
-		LL_DEBUGS() << "getLindenUserDir() called early, we don't have the user name yet - returning empty string to caller" << LL_ENDL;
-	}
-
-	return mLindenUserDir;
-}
-
-const std::string& LLDir::getChatLogsDir() const
-{
-	return mChatLogsDir;
-}
-
-void LLDir::setDumpDir( const std::string& path )
-{
-    LLDir::sDumpDir = path;
-    if (LLStringUtil::endsWith(sDumpDir, mDirDelimiter))
-    {
-        sDumpDir.erase(sDumpDir.size() - mDirDelimiter.size());
-    }
-}
-
-const std::string &LLDir::getDumpDir() const
-{
-    if (sDumpDir.empty() )
-    {
-        LLUUID uid;
-        uid.generate();
-        
-        sDumpDir = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "")
-                    + "dump-" + uid.asString();
-
-        dir_exists_or_crash(sDumpDir);  
-    }
-
-	return LLDir::sDumpDir;
-}
-
-const std::string &LLDir::getPerAccountChatLogsDir() const
-{
-	return mPerAccountChatLogsDir;
-}
-
-const std::string &LLDir::getTempDir() const
-{
-	return mTempDir;
-}
-
-const std::string  LLDir::getCacheDir(bool get_default) const
-{
-	if (mCacheDir.empty() || get_default)
-	{
-		if (!mDefaultCacheDir.empty())
-		{	// Set at startup - can't set here due to const API
-			return mDefaultCacheDir;
-		}
-		
-		std::string res = buildSLOSCacheDir();
-		return res;
-	}
-	else
-	{
-		return mCacheDir;
-	}
-}
-
-// Return the default cache directory
-std::string LLDir::buildSLOSCacheDir() const
-{
-	std::string res;
-	if (getOSCacheDir().empty())
-	{
-		if (getOSUserAppDir().empty())
-		{
-			res = "data";
-		}
-		else
-		{
-			res = add(getOSUserAppDir(), "cache");
-		}
-	}
-	else
-	{
-		res = add(getOSCacheDir(), "SecondLife");
-	}
-	return res;
-}
-
-
-
-const std::string &LLDir::getOSCacheDir() const
-{
-	return mOSCacheDir;
-}
-
-
-const std::string &LLDir::getCAFile() const
-{
-	return mCAFile;
-}
-
-const std::string &LLDir::getDirDelimiter() const
-{
-	return mDirDelimiter;
-}
-
-const std::string& LLDir::getDefaultSkinDir() const
-{
-	return mDefaultSkinDir;
-}
-
-const std::string &LLDir::getSkinDir() const
-{
-	return mSkinDir;
-}
-
-const std::string &LLDir::getUserDefaultSkinDir() const
-{
-    return mUserDefaultSkinDir;
-}
-
-const std::string &LLDir::getUserSkinDir() const
-{
-	return mUserSkinDir;
-}
-
-const std::string LLDir::getSkinBaseDir() const
-{
-	return mSkinBaseDir;
-}
-
-const std::string &LLDir::getLLPluginDir() const
-{
-	return mLLPluginDir;
-}
-
-const std::string &LLDir::getUserName() const
-{
-	return mUserName;
-}
-
-static std::string ELLPathToString(ELLPath location)
-{
-	typedef std::map<ELLPath, const char*> ELLPathMap;
-#define ENT(symbol) (symbol, #symbol)
-	static const ELLPathMap sMap = map_list_of
-		ENT(LL_PATH_NONE)
-		ENT(LL_PATH_USER_SETTINGS)
-		ENT(LL_PATH_APP_SETTINGS)
-		ENT(LL_PATH_PER_SL_ACCOUNT) // returns/expands to blank string if we don't know the account name yet
-		ENT(LL_PATH_CACHE)
-		ENT(LL_PATH_CHARACTER)
-		ENT(LL_PATH_HELP)
-		ENT(LL_PATH_LOGS)
-		ENT(LL_PATH_TEMP)
-		ENT(LL_PATH_SKINS)
-		ENT(LL_PATH_TOP_SKIN)
-		ENT(LL_PATH_CHAT_LOGS)
-		ENT(LL_PATH_PER_ACCOUNT_CHAT_LOGS)
-		ENT(LL_PATH_USER_SKIN)
-		ENT(LL_PATH_LOCAL_ASSETS)
-		ENT(LL_PATH_EXECUTABLE)
-		ENT(LL_PATH_DEFAULT_SKIN)
-		ENT(LL_PATH_FONTS)
-		ENT(LL_PATH_LAST)
-	;
-#undef ENT
-
-	ELLPathMap::const_iterator found = sMap.find(location);
-	if (found != sMap.end())
-		return found->second;
-	return STRINGIZE("Invalid ELLPath value " << location);
-}
-
-std::string LLDir::getExpandedFilename(ELLPath location, const std::string& filename) const
-{
-	return getExpandedFilename(location, "", filename);
-}
-
-std::string LLDir::getExpandedFilename(ELLPath location, const std::string& subdir, const std::string& filename) const
-{
-	return getExpandedFilename(location, "", subdir, filename);
-}
-
-std::string LLDir::getExpandedFilename(ELLPath location, const std::string& subdir1, const std::string& subdir2, const std::string& in_filename) const
-{
-	std::string prefix;
-	switch (location)
-	{
-	case LL_PATH_NONE:
-		// Do nothing
-		break;
-
-	case LL_PATH_APP_SETTINGS:
-		prefix = add(getAppRODataDir(), "app_settings");
-		break;
-	
-	case LL_PATH_CHARACTER:
-		prefix = add(getAppRODataDir(), "character");
-		break;
-		
-	case LL_PATH_HELP:
-		prefix = "help";
-		break;
-		
-	case LL_PATH_CACHE:
-		prefix = getCacheDir();
-		break;
-		
-    case LL_PATH_DUMP:
-        prefix=getDumpDir();
-        break;
-            
-	case LL_PATH_USER_SETTINGS:
-		prefix = add(getOSUserAppDir(), "user_settings");
-		break;
-
-	case LL_PATH_PER_SL_ACCOUNT:
-		prefix = getLindenUserDir();
-		if (prefix.empty())
-		{
-			// if we're asking for the per-SL-account directory but we haven't
-			// logged in yet (or otherwise don't know the account name from
-			// which to build this string), then intentionally return a blank
-			// string to the caller and skip the below warning about a blank
-			// prefix.
-			LL_DEBUGS("LLDir") << "getLindenUserDir() not yet set: "
-							   << ELLPathToString(location)
-							   << ", '" << subdir1 << "', '" << subdir2 << "', '" << in_filename
-							   << "' => ''" << LL_ENDL;
-			return std::string();
-		}
-		break;
-		
-	case LL_PATH_CHAT_LOGS:
-		prefix = getChatLogsDir();
-		break;
-		
-	case LL_PATH_PER_ACCOUNT_CHAT_LOGS:
-		prefix = getPerAccountChatLogsDir();
-		if (prefix.empty())
-		{
-			// potentially directory was not set yet
-			// intentionally return a blank string to the caller
-			LL_DEBUGS("LLDir") << "Conversation log directory is not yet set" << LL_ENDL;
-			return std::string();
-		}
-		break;
-
-	case LL_PATH_LOGS:
-		prefix = add(getOSUserAppDir(), "logs");
-		break;
-
-	case LL_PATH_TEMP:
-		prefix = getTempDir();
-		break;
-
-	case LL_PATH_TOP_SKIN:
-		prefix = getSkinDir();
-		break;
-
-	case LL_PATH_DEFAULT_SKIN:
-		prefix = getDefaultSkinDir();
-		break;
-
-	case LL_PATH_USER_SKIN:
-		prefix = getUserSkinDir();
-		break;
-
-	case LL_PATH_SKINS:
-		prefix = getSkinBaseDir();
-		break;
-
-	case LL_PATH_LOCAL_ASSETS:
-		prefix = add(getAppRODataDir(), "local_assets");
-		break;
-
-	case LL_PATH_EXECUTABLE:
-		prefix = getExecutableDir();
-		break;
-		
-	case LL_PATH_FONTS:
-		prefix = add(getAppRODataDir(), "fonts");
-		break;
-		
-	default:
-		llassert(0);
-	}
-
-	if (prefix.empty())
-	{
-		LL_WARNS() << ELLPathToString(location)
-				<< ", '" << subdir1 << "', '" << subdir2 << "', '" << in_filename
-				<< "': prefix is empty, possible bad filename" << LL_ENDL;
-	}
-
-	std::string expanded_filename = add(prefix, subdir1, subdir2);
-	if (expanded_filename.empty() && in_filename.empty())
-	{
-		return "";
-	}
-	// Use explicit concatenation here instead of another add() call. Callers
-	// passing in_filename as "" expect to obtain a pathname ending with
-	// mDirSeparator so they can later directly concatenate with a specific
-	// filename. A caller using add() doesn't care, but there's still code
-	// loose in the system that uses std::string::operator+().
-	expanded_filename += mDirDelimiter;
-	expanded_filename += in_filename;
-
-	LL_DEBUGS("LLDir") << ELLPathToString(location)
-					   << ", '" << subdir1 << "', '" << subdir2 << "', '" << in_filename
-					   << "' => '" << expanded_filename << "'" << LL_ENDL;
-	return expanded_filename;
-}
-
-std::string LLDir::getBaseFileName(const std::string& filepath, bool strip_exten) const
-{
-	std::size_t offset = filepath.find_last_of(getDirDelimiter());
-	offset = (offset == std::string::npos) ? 0 : offset+1;
-	std::string res = filepath.substr(offset, std::string::npos);
-	if (strip_exten)
-	{
-		offset = res.find_last_of('.');
-		if (offset != std::string::npos &&
-		    offset != 0) // if basename STARTS with '.', don't strip
-		{
-			res = res.substr(0, offset);
-		}
-	}
-	return res;
-}
-
-std::string LLDir::getDirName(const std::string& filepath) const
-{
-	std::size_t offset = filepath.find_last_of(getDirDelimiter());
-	S32 len = (offset == std::string::npos) ? 0 : offset;
-	std::string dirname = filepath.substr(0, len);
-	return dirname;
-}
-
-std::string LLDir::getExtension(const std::string& filepath) const
-{
-	if (filepath.empty())
-		return std::string();
-	std::string basename = getBaseFileName(filepath, false);
-	std::size_t offset = basename.find_last_of('.');
-	std::string exten = (offset == std::string::npos || offset == 0) ? "" : basename.substr(offset+1);
-	LLStringUtil::toLower(exten);
-	return exten;
-}
-
-std::string LLDir::findSkinnedFilenameBaseLang(const std::string &subdir,
-											   const std::string &filename,
-											   ESkinConstraint constraint) const
-{
-	// This implementation is basically just as described in the declaration comments.
-	std::vector<std::string> found(findSkinnedFilenames(subdir, filename, constraint));
-	if (found.empty())
-	{
-		return "";
-	}
-	return found.front();
-}
-
-std::string LLDir::findSkinnedFilename(const std::string &subdir,
-									   const std::string &filename,
-									   ESkinConstraint constraint) const
-{
-	// This implementation is basically just as described in the declaration comments.
-	std::vector<std::string> found(findSkinnedFilenames(subdir, filename, constraint));
-	if (found.empty())
-	{
-		return "";
-	}
-	return found.back();
-}
-
-// This method exists because the two code paths for
-// findSkinnedFilenames(ALL_SKINS) and findSkinnedFilenames(CURRENT_SKIN) must
-// generate the list of candidate pathnames in identical ways. The only
-// difference is in the body of the inner loop.
-template <typename FUNCTION>
-void LLDir::walkSearchSkinDirs(const std::string& subdir,
-							   const std::vector<std::string>& subsubdirs,
-							   const std::string& filename,
-							   const FUNCTION& function) const
-{
-	BOOST_FOREACH(std::string skindir, mSearchSkinDirs)
-	{
-		std::string subdir_path(add(skindir, subdir));
-		BOOST_FOREACH(std::string subsubdir, subsubdirs)
-		{
-			std::string full_path(add(subdir_path, subsubdir, filename));
-			if (fileExists(full_path))
-			{
-				function(subsubdir, full_path);
-			}
-		}
-	}
-}
-
-// ridiculous little helper function that should go away when we can use lambda
-inline void push_back(std::vector<std::string>& vector, const std::string& value)
-{
-	vector.push_back(value);
-}
-
-typedef std::map<std::string, std::string> StringMap;
-// ridiculous little helper function that should go away when we can use lambda
-inline void store_in_map(StringMap& map, const std::string& key, const std::string& value)
-{
-	map[key] = value;
-}
-
-std::vector<std::string> LLDir::findSkinnedFilenames(const std::string& subdir,
-													 const std::string& filename,
-													 ESkinConstraint constraint) const
-{
-	// Recognize subdirs that have no localization.
-	static const std::set<std::string> sUnlocalized = list_of
-		("")                        // top-level directory not localized
-		("textures")                // textures not localized
-	;
-
-	LL_DEBUGS("LLDir") << "subdir '" << subdir << "', filename '" << filename
-					   << "', constraint "
-					   << ((constraint == CURRENT_SKIN)? "CURRENT_SKIN" : "ALL_SKINS")
-					   << LL_ENDL;
-
-	// Build results vector.
-	std::vector<std::string> results;
-	// Disallow filenames that may escape subdir
-	if (filename.find("..") != std::string::npos)
-	{
-		LL_WARNS("LLDir") << "Ignoring potentially relative filename '" << filename << "'" << LL_ENDL;
-		return results;
-	}
-
-	// Cache the default language directory for each subdir we've encountered.
-	// A cache entry whose value is the empty string means "not localized,
-	// don't bother checking again."
-	static StringMap sLocalized;
-
-	// Check whether we've already discovered if this subdir is localized.
-	StringMap::const_iterator found = sLocalized.find(subdir);
-	if (found == sLocalized.end())
-	{
-		// We have not yet determined that. Is it one of the subdirs "known"
-		// to be unlocalized?
-		if (sUnlocalized.find(subdir) != sUnlocalized.end())
-		{
-			// This subdir is known to be unlocalized. Remember that.
-			found = sLocalized.insert(StringMap::value_type(subdir, "")).first;
-		}
-		else
-		{
-			// We do not recognize this subdir. Investigate.
-			std::string subdir_path(add(getDefaultSkinDir(), subdir));
-			if (fileExists(add(subdir_path, "en")))
-			{
-				// defaultSkinDir/subdir contains subdir "en". That's our
-				// default language; this subdir is localized.
-				found = sLocalized.insert(StringMap::value_type(subdir, "en")).first;
-			}
-			else if (fileExists(add(subdir_path, "en-us")))
-			{
-				// defaultSkinDir/subdir contains subdir "en-us" but not "en".
-				// Set as default language; this subdir is localized.
-				found = sLocalized.insert(StringMap::value_type(subdir, "en-us")).first;
-			}
-			else
-			{
-				// defaultSkinDir/subdir contains neither "en" nor "en-us".
-				// Assume it's not localized. Remember that assumption.
-				found = sLocalized.insert(StringMap::value_type(subdir, "")).first;
-			}
-		}
-	}
-	// Every code path above should have resulted in 'found' becoming a valid
-	// iterator to an entry in sLocalized.
-	llassert(found != sLocalized.end());
-
-	// Now -- is this subdir localized, or not? The answer determines what
-	// subdirectories we check (under subdir) for the requested filename.
-	std::vector<std::string> subsubdirs;
-	if (found->second.empty())
-	{
-		// subdir is not localized. filename should be located directly within it.
-		subsubdirs.push_back("");
-	}
-	else
-	{
-		// subdir is localized, and found->second is the default language
-		// directory within it. Check both the default language and the
-		// current language -- if it differs from the default, of course.
-		subsubdirs.push_back(found->second);
-		if (mLanguage != found->second)
-		{
-			subsubdirs.push_back(mLanguage);
-		}
-	}
-
-	// The process we use depends on 'constraint'.
-	if (constraint != CURRENT_SKIN) // meaning ALL_SKINS
-	{
-		// ALL_SKINS is simpler: just return every pathname generated by
-		// walkSearchSkinDirs(). Tricky bit: walkSearchSkinDirs() passes its
-		// FUNCTION the subsubdir as well as the full pathname. We just want
-		// the full pathname.
-		walkSearchSkinDirs(subdir, subsubdirs, filename,
-						   boost::bind(push_back, boost::ref(results), _2));
-	}
-	else                            // CURRENT_SKIN
-	{
-		// CURRENT_SKIN turns out to be a bit of a misnomer because we might
-		// still return files from two different skins. In any case, this
-		// value of 'constraint' means we will return at most two paths: one
-		// for the default language, one for the current language (supposing
-		// those differ).
-		// It is important to allow a user to override only the localization
-		// for a particular file, for all viewer installs, without also
-		// overriding the default-language file.
-		// It is important to allow a user to override only the default-
-		// language file, for all viewer installs, without also overriding the
-		// applicable localization of that file.
-		// Therefore, treat the default language and the current language as
-		// two separate cases. For each, capture the most-specialized file
-		// that exists.
-		// Use a map keyed by subsubdir (i.e. language code). This allows us
-		// to handle the case of a single subsubdirs entry with the same logic
-		// that handles two. For every real file path generated by
-		// walkSearchSkinDirs(), update the map entry for its subsubdir.
-		StringMap path_for;
-		walkSearchSkinDirs(subdir, subsubdirs, filename,
-						   boost::bind(store_in_map, boost::ref(path_for), _1, _2));
-		// Now that we have a path for each of the default language and the
-		// current language, copy them -- in proper order -- into results.
-		// Don't drive this by walking the map itself: it matters that we
-		// generate results in the same order as subsubdirs.
-		BOOST_FOREACH(std::string subsubdir, subsubdirs)
-		{
-			StringMap::const_iterator found(path_for.find(subsubdir));
-			if (found != path_for.end())
-			{
-				results.push_back(found->second);
-			}
-		}
-	}
-
-	LL_DEBUGS("LLDir") << empty;
-	const char* comma = "";
-	BOOST_FOREACH(std::string path, results)
-	{
-		LL_CONT << comma << "'" << path << "'";
-		comma = ", ";
-	}
-	LL_CONT << LL_ENDL;
-
-	return results;
-}
-
-std::string LLDir::getTempFilename() const
-{
-	LLUUID random_uuid;
-	std::string uuid_str;
-
-	random_uuid.generate();
-	random_uuid.toString(uuid_str);
-
-	return add(getTempDir(), uuid_str + ".tmp");
-}
-
-// static
-std::string LLDir::getScrubbedFileName(const std::string uncleanFileName)
-{
-	std::string name(uncleanFileName);
-	const std::string illegalChars(getForbiddenFileChars());
-	// replace any illegal file chars with and underscore '_'
-	for( unsigned int i = 0; i < illegalChars.length(); i++ )
-	{
-		int j = -1;
-		while((j = name.find(illegalChars[i])) > -1)
-		{
-			name[j] = '_';
-		}
-	}
-	return name;
-}
-
-// static
-std::string LLDir::getForbiddenFileChars()
-{
-	return "\\/:*?\"<>|";
-}
-
-void LLDir::setLindenUserDir(const std::string &username)
-{
-	// if the username isn't set, that's bad
-	if (!username.empty())
-	{
-		// some platforms have case-sensitive filesystems, so be
-		// utterly consistent with our firstname/lastname case.
-		std::string userlower(username);
-		LLStringUtil::toLower(userlower);
-		LLStringUtil::replaceChar(userlower, ' ', '_');
-		mLindenUserDir = add(getOSUserAppDir(), userlower);
-	}
-	else
-	{
-		LL_ERRS() << "NULL name for LLDir::setLindenUserDir" << LL_ENDL;
-	}
-
-	dumpCurrentDirectories();	
-}
-
-void LLDir::setChatLogsDir(const std::string &path)
-{
-	if (!path.empty() )
-	{
-		mChatLogsDir = path;
-	}
-	else
-	{
-		LL_WARNS() << "Invalid name for LLDir::setChatLogsDir" << LL_ENDL;
-	}
-}
-
-void LLDir::updatePerAccountChatLogsDir()
-{
-	mPerAccountChatLogsDir = add(getChatLogsDir(), mUserName);
-}
-
-void LLDir::setPerAccountChatLogsDir(const std::string &username)
-{
-	// if both first and last aren't set, assume we're grabbing the cached dir
-	if (!username.empty())
-	{
-		// some platforms have case-sensitive filesystems, so be
-		// utterly consistent with our firstname/lastname case.
-		std::string userlower(username);
-		LLStringUtil::toLower(userlower);
-		LLStringUtil::replaceChar(userlower, ' ', '_');
-
-		mUserName = userlower;
-		updatePerAccountChatLogsDir();
-	}
-	else
-	{
-		LL_ERRS() << "NULL name for LLDir::setPerAccountChatLogsDir" << LL_ENDL;
-	}
-}
-
-void LLDir::setSkinFolder(const std::string &skin_folder, const std::string& language)
-{
-	LL_DEBUGS("LLDir") << "Setting skin '" << skin_folder << "', language '" << language << "'"
-					   << LL_ENDL;
-	mSkinName = skin_folder;
-	mLanguage = language;
-
-	// This method is called multiple times during viewer initialization. Each
-	// time it's called, reset mSearchSkinDirs.
-	mSearchSkinDirs.clear();
-
-	// base skin which is used as fallback for all skinned files
-	// e.g. c:\program files\secondlife\skins\default
-	mDefaultSkinDir = getSkinBaseDir();
-	append(mDefaultSkinDir, "default");
-	// This is always the most general of the search skin directories.
-	addSearchSkinDir(mDefaultSkinDir);
-
-	mSkinDir = getSkinBaseDir();
-	append(mSkinDir, skin_folder);
-	// Next level of generality is a skin installed with the viewer.
-	addSearchSkinDir(mSkinDir);
-
-	// user modifications to skins, current and default
-	// e.g. c:\documents and settings\users\username\application data\second life\skins\dazzle
-	mUserSkinDir = getOSUserAppDir();
-	append(mUserSkinDir, "skins");
-	mUserDefaultSkinDir = mUserSkinDir;
-	append(mUserDefaultSkinDir, "default");
-	append(mUserSkinDir, skin_folder);
-	// Next level of generality is user modifications to default skin...
-	addSearchSkinDir(mUserDefaultSkinDir);
-	// then user-defined skins.
-	addSearchSkinDir(mUserSkinDir);
-}
-
-void LLDir::addSearchSkinDir(const std::string& skindir)
-{
-	if (std::find(mSearchSkinDirs.begin(), mSearchSkinDirs.end(), skindir) == mSearchSkinDirs.end())
-	{
-		LL_DEBUGS("LLDir") << "search skin: '" << skindir << "'" << LL_ENDL;
-		mSearchSkinDirs.push_back(skindir);
-	}
-}
-
-std::string LLDir::getSkinFolder() const
-{
-	return mSkinName;
-}
-
-std::string LLDir::getLanguage() const
-{
-	return mLanguage;
-}
-
-bool LLDir::setCacheDir(const std::string &path)
-{
-	if (path.empty() )
-	{
-		// reset to default
-		mCacheDir = "";
-		return true;
-	}
-	else
-	{
-		LLFile::mkdir(path);
-		std::string tempname = add(path, "temp");
-		LLFILE* file = LLFile::fopen(tempname,"wt");
-		if (file)
-		{
-			fclose(file);
-			LLFile::remove(tempname);
-			mCacheDir = path;
-			return true;
-		}
-		return false;
-	}
-}
-
-void LLDir::dumpCurrentDirectories(LLError::ELevel level)
-{
-	LL_VLOGS(level, "AppInit","Directories") << "Current Directories:" << LL_ENDL;
-
-	LL_VLOGS(level, "AppInit", "Directories") << "  CurPath:               " << getCurPath() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  AppName:               " << getAppName() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  ExecutableFilename:    " << getExecutableFilename() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  ExecutableDir:         " << getExecutableDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  ExecutablePathAndName: " << getExecutablePathAndName() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  WorkingDir:            " << getWorkingDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  AppRODataDir:          " << getAppRODataDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  OSUserDir:             " << getOSUserDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  OSUserAppDir:          " << getOSUserAppDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  LindenUserDir:         " << getLindenUserDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  TempDir:               " << getTempDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  CAFile:                " << getCAFile() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  SkinBaseDir:           " << getSkinBaseDir() << LL_ENDL;
-	LL_VLOGS(level, "AppInit", "Directories") << "  SkinDir:               " << getSkinDir() << LL_ENDL;
-}
-
-void LLDir::append(std::string& destpath, const std::string& name) const
-{
-	// Delegate question of whether we need a separator to helper method.
-	SepOff sepoff(needSep(destpath, name));
-	if (sepoff.first)               // do we need a separator?
-	{
-		destpath += mDirDelimiter;
-	}
-	// If destpath ends with a separator, AND name starts with one, skip
-	// name's leading separator.
-	destpath += name.substr(sepoff.second);
-}
-
-LLDir::SepOff LLDir::needSep(const std::string& path, const std::string& name) const
-{
-	if (path.empty() || name.empty())
-	{
-		// If either path or name are empty, we do not need a separator
-		// between them.
-		return SepOff(false, 0);
-	}
-	// Here we know path and name are both non-empty. But if path already ends
-	// with a separator, or if name already starts with a separator, we need
-	// not add one.
-	std::string::size_type seplen(mDirDelimiter.length());
-	bool path_ends_sep(path.substr(path.length() - seplen) == mDirDelimiter);
-	bool name_starts_sep(name.substr(0, seplen) == mDirDelimiter);
-	if ((! path_ends_sep) && (! name_starts_sep))
-	{
-		// If neither path nor name brings a separator to the junction, then
-		// we need one.
-		return SepOff(true, 0);
-	}
-	if (path_ends_sep && name_starts_sep)
-	{
-		// But if BOTH path and name bring a separator, we need not add one.
-		// Moreover, we should actually skip the leading separator of 'name'.
-		return SepOff(false, (unsigned short)seplen);
-	}
-	// Here we know that either path_ends_sep or name_starts_sep is true --
-	// but not both. So don't add a separator, and don't skip any characters:
-	// simple concatenation will do the trick.
-	return SepOff(false, 0);
-}
-
-void dir_exists_or_crash(const std::string &dir_name)
-{
-#if LL_WINDOWS
-	// *FIX: lame - it doesn't do the same thing on windows. not so
-	// important since we don't deploy simulator to windows boxes.
-	LLFile::mkdir(dir_name, 0700);
-#else
-	struct stat dir_stat;
-	if(0 != LLFile::stat(dir_name, &dir_stat))
-	{
-		S32 stat_rv = errno;
-		if(ENOENT == stat_rv)
-		{
-		   if(0 != LLFile::mkdir(dir_name, 0700))		// octal
-		   {
-			   LL_ERRS() << "Unable to create directory: " << dir_name << LL_ENDL;
-		   }
-		}
-		else
-		{
-			LL_ERRS() << "Unable to stat: " << dir_name << " errno = " << stat_rv
-				   << LL_ENDL;
-		}
-	}
-	else
-	{
-		// data_dir exists, make sure it's a directory.
-		if(!S_ISDIR(dir_stat.st_mode))
-		{
-			LL_ERRS() << "Data directory collision: " << dir_name << LL_ENDL;
-		}
-	}
-#endif
-}
diff --git a/indra/llvfs/lldir.h b/indra/llvfs/lldir.h
deleted file mode 100644
index 4988b9c6e3..0000000000
--- a/indra/llvfs/lldir.h
+++ /dev/null
@@ -1,275 +0,0 @@
-/**  
- * @file lldir.h
- * @brief Definition of directory utilities class
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLDIR_H
-#define LL_LLDIR_H
-
-// these numbers are read from settings_files.xml, so we need to be explicit
-typedef enum ELLPath
-{
-	LL_PATH_NONE = 0,
-	LL_PATH_USER_SETTINGS = 1,
-	LL_PATH_APP_SETTINGS = 2,	
-	LL_PATH_PER_SL_ACCOUNT = 3, // returns/expands to blank string if we don't know the account name yet
-	LL_PATH_CACHE = 4,	
-	LL_PATH_CHARACTER = 5,	
-	LL_PATH_HELP = 6,		
-	LL_PATH_LOGS = 7,
-	LL_PATH_TEMP = 8,
-	LL_PATH_SKINS = 9,
-	LL_PATH_TOP_SKIN = 10,
-	LL_PATH_CHAT_LOGS = 11,
-	LL_PATH_PER_ACCOUNT_CHAT_LOGS = 12,
-	LL_PATH_USER_SKIN = 14,
-	LL_PATH_LOCAL_ASSETS = 15,
-	LL_PATH_EXECUTABLE = 16,
-	LL_PATH_DEFAULT_SKIN = 17,
-	LL_PATH_FONTS = 18,
-    LL_PATH_DUMP = 19,
-	LL_PATH_LAST
-} ELLPath;
-
-/// Directory operations
-class LLDir
-{
- public:
-	LLDir();
-	virtual ~LLDir();
-
-	// app_name - Usually SecondLife, used for creating settings directories
-	// in OS-specific location, such as C:\Documents and Settings
-	// app_read_only_data_dir - Usually the source code directory, used
-	// for test applications to read newview data files.
-	virtual void initAppDirs(const std::string &app_name, 
-		const std::string& app_read_only_data_dir = "") = 0;
-
-	virtual S32 deleteFilesInDir(const std::string &dirname, const std::string &mask);
-    U32 deleteDirAndContents(const std::string& dir_name);
-    std::vector<std::string> getFilesInDir(const std::string &dirname);
-// pure virtual functions
-	virtual std::string getCurPath() = 0;
-	virtual bool fileExists(const std::string &filename) const = 0;
-
-	const std::string findFile(const std::string& filename, const std::vector<std::string> filenames) const; 
-	const std::string findFile(const std::string& filename, const std::string& searchPath1 = "", const std::string& searchPath2 = "", const std::string& searchPath3 = "") const;
-
-	virtual std::string getLLPluginLauncher() = 0; // full path and name for the plugin shell
-	virtual std::string getLLPluginFilename(std::string base_name) = 0; // full path and name to the plugin DSO for this base_name (i.e. 'FOO' -> '/bar/baz/libFOO.so')
-
-	const std::string &getExecutablePathAndName() const;	// Full pathname of the executable
-	const std::string &getAppName() const;			// install directory under progams/ ie "SecondLife"
-	const std::string &getExecutableDir() const;	// Directory where the executable is located
-	const std::string &getExecutableFilename() const;// Filename of .exe
-	const std::string &getWorkingDir() const; // Current working directory
-	const std::string &getAppRODataDir() const;	// Location of read-only data files
-	const std::string &getOSUserDir() const;		// Location of the os-specific user dir
-	const std::string &getOSUserAppDir() const;	// Location of the os-specific user app dir
-	const std::string &getLindenUserDir() const;	// Location of the Linden user dir.
-	const std::string &getChatLogsDir() const;	// Location of the chat logs dir.
-	const std::string &getDumpDir() const;	// Location of the per-run dump dir.
-	const std::string &getPerAccountChatLogsDir() const;	// Location of the per account chat logs dir.
-	const std::string &getTempDir() const;			// Common temporary directory
-	const std::string  getCacheDir(bool get_default = false) const;	// Location of the cache.
-	const std::string &getOSCacheDir() const;		// location of OS-specific cache folder (may be empty string)
-	const std::string &getCAFile() const;			// File containing TLS certificate authorities
-	const std::string &getDirDelimiter() const;	// directory separator for platform (ie. '\' or '/' or ':')
-	const std::string &getDefaultSkinDir() const;	// folder for default skin. e.g. c:\program files\second life\skins\default
-	const std::string &getSkinDir() const;		// User-specified skin folder.
-	const std::string &getUserDefaultSkinDir() const; // dir with user modifications to default skin
-	const std::string &getUserSkinDir() const;		// User-specified skin folder with user modifications. e.g. c:\documents and settings\username\application data\second life\skins\curskin
-	const std::string getSkinBaseDir() const;		// folder that contains all installed skins (not user modifications). e.g. c:\program files\second life\skins
-	const std::string &getLLPluginDir() const;		// Directory containing plugins and plugin shell
-	const std::string &getUserName() const;
-
-	// Expanded filename
-	std::string getExpandedFilename(ELLPath location, const std::string &filename) const;
-	std::string getExpandedFilename(ELLPath location, const std::string &subdir, const std::string &filename) const;
-	std::string getExpandedFilename(ELLPath location, const std::string &subdir1, const std::string &subdir2, const std::string &filename) const;
-
-	// Base and Directory name extraction
-	std::string getBaseFileName(const std::string& filepath, bool strip_exten = false) const;
-	std::string getDirName(const std::string& filepath) const;
-	std::string getExtension(const std::string& filepath) const; // Excludes '.', e.g getExtension("foo.wav") == "wav"
-
-	// these methods search the various skin paths for the specified file in the following order:
-	// getUserSkinDir(), getUserDefaultSkinDir(), getSkinDir(), getDefaultSkinDir()
-	/// param value for findSkinnedFilenames(), explained below
-	enum ESkinConstraint { CURRENT_SKIN, ALL_SKINS };
-	/**
-	 * Given a filename within skin, return an ordered sequence of paths to
-	 * search. Nonexistent files will be filtered out -- which means that the
-	 * vector might be empty.
-	 *
-	 * @param subdir Identify top-level skin subdirectory by passing one of
-	 * LLDir::XUI (file lives under "xui" subtree), LLDir::TEXTURES (file
-	 * lives under "textures" subtree), LLDir::SKINBASE (file lives at top
-	 * level of skin subdirectory).
-	 * @param filename Desired filename within subdir within skin, e.g.
-	 * "panel_login.xml". DO NOT prepend (e.g.) "xui" or the desired language.
-	 * @param constraint Callers perform two different kinds of processing.
-	 * When fetching a XUI file, for instance, the existence of @a filename in
-	 * the specified skin completely supercedes any @a filename in the default
-	 * skin. For that case, leave the default @a constraint=CURRENT_SKIN. The
-	 * returned vector will contain only
-	 * ".../<i>current_skin</i>/xui/en/<i>filename</i>",
-	 * ".../<i>current_skin</i>/xui/<i>current_language</i>/<i>filename</i>".
-	 * But for (e.g.) "strings.xml", we want a given skin to be able to
-	 * override only specific entries from the default skin. Any string not
-	 * defined in the specified skin will be sought in the default skin. For
-	 * that case, pass @a constraint=ALL_SKINS. The returned vector will
-	 * contain at least ".../default/xui/en/strings.xml",
-	 * ".../default/xui/<i>current_language</i>/strings.xml",
-	 * ".../<i>current_skin</i>/xui/en/strings.xml",
-	 * ".../<i>current_skin</i>/xui/<i>current_language</i>/strings.xml".
-	 */
-	std::vector<std::string> findSkinnedFilenames(const std::string& subdir,
-												  const std::string& filename,
-												  ESkinConstraint constraint=CURRENT_SKIN) const;
-	/// Values for findSkinnedFilenames(subdir) parameter
-	static const char *XUI, *TEXTURES, *SKINBASE;
-	/**
-	 * Return the base-language pathname from findSkinnedFilenames(), or
-	 * the empty string if no such file exists. Parameters are identical to
-	 * findSkinnedFilenames(). This is shorthand for capturing the vector
-	 * returned by findSkinnedFilenames(), checking for empty() and then
-	 * returning front().
-	 */
-	std::string findSkinnedFilenameBaseLang(const std::string &subdir,
-											const std::string &filename,
-											ESkinConstraint constraint=CURRENT_SKIN) const;
-	/**
-	 * Return the "most localized" pathname from findSkinnedFilenames(), or
-	 * the empty string if no such file exists. Parameters are identical to
-	 * findSkinnedFilenames(). This is shorthand for capturing the vector
-	 * returned by findSkinnedFilenames(), checking for empty() and then
-	 * returning back().
-	 */
-	std::string findSkinnedFilename(const std::string &subdir,
-									const std::string &filename,
-									ESkinConstraint constraint=CURRENT_SKIN) const;
-
-	// random filename in common temporary directory
-	std::string getTempFilename() const;
-
-	// For producing safe download file names from potentially unsafe ones
-	static std::string getScrubbedFileName(const std::string uncleanFileName);
-	static std::string getForbiddenFileChars();
-    void setDumpDir( const std::string& path );
-
-
-	virtual void setChatLogsDir(const std::string &path);		// Set the chat logs dir to this user's dir
-	virtual void setPerAccountChatLogsDir(const std::string &username);		// Set the per user chat log directory.
-	virtual void setLindenUserDir(const std::string &username);		// Set the linden user dir to this user's dir
-	virtual void setSkinFolder(const std::string &skin_folder, const std::string& language);
-	virtual std::string getSkinFolder() const;
-	virtual std::string getLanguage() const;
-	virtual bool setCacheDir(const std::string &path);
-	virtual void updatePerAccountChatLogsDir();
-
-	virtual void dumpCurrentDirectories(LLError::ELevel level = LLError::LEVEL_DEBUG);
-
-	// Utility routine
-	std::string buildSLOSCacheDir() const;
-
-	/// Append specified @a name to @a destpath, separated by getDirDelimiter()
-	/// if both are non-empty.
-	void append(std::string& destpath, const std::string& name) const;
-	/// Variadic form: append @a name0 and @a name1 and arbitrary other @a
-	/// names to @a destpath, separated by getDirDelimiter() as needed.
-	template <typename... NAMES>
-	void append(std::string& destpath, const std::string& name0, const std::string& name1,
-				const NAMES& ... names) const
-	{
-		// In a typical recursion case, we'd accept (destpath, name0, names).
-		// We accept (destpath, name0, name1, names) because it's important to
-		// delegate the two-argument case to the non-template implementation.
-		append(destpath, name0);
-		append(destpath, name1, names...);
-	}
-
-	/// Append specified @a names to @a path, separated by getDirDelimiter()
-	/// as needed. Return result, leaving @a path unmodified.
-	template <typename... NAMES>
-	std::string add(const std::string& path, const NAMES& ... names) const
-	{
-		std::string destpath(path);
-		append(destpath, names...);
-		return destpath;
-	}
-
-protected:
-	// Does an add() or append() call need a directory delimiter?
-	typedef std::pair<bool, unsigned short> SepOff;
-	SepOff needSep(const std::string& path, const std::string& name) const;
-	// build mSearchSkinDirs without adding duplicates
-	void addSearchSkinDir(const std::string& skindir);
-
-	// Internal to findSkinnedFilenames()
-	template <typename FUNCTION>
-	void walkSearchSkinDirs(const std::string& subdir,
-							const std::vector<std::string>& subsubdirs,
-							const std::string& filename,
-							const FUNCTION& function) const;
-
-	std::string mAppName;               // install directory under progams/ ie "SecondLife"   
-	std::string mExecutablePathAndName; // full path + Filename of .exe
-	std::string mExecutableFilename;    // Filename of .exe
-	std::string mExecutableDir;	 	 // Location of executable
-	std::string mWorkingDir;	 	 // Current working directory
-	std::string mAppRODataDir;			 // Location for static app data
-	std::string mOSUserDir;			 // OS Specific user directory
-	std::string mOSUserAppDir;			 // OS Specific user app directory
-	std::string mLindenUserDir;		 // Location for Linden user-specific data
-	std::string mPerAccountChatLogsDir;		 // Location for chat logs.
-	std::string mChatLogsDir;		 // Location for chat logs.
-	std::string mCAFile;				 // Location of the TLS certificate authority PEM file.
-	std::string mTempDir;
-	std::string mCacheDir;			// cache directory as set by user preference
-	std::string mDefaultCacheDir;	// default cache diretory
-	std::string mOSCacheDir;		// operating system cache dir
-	std::string mDirDelimiter;
-	std::string mSkinName;           // caller-specified skin name
-	std::string mSkinBaseDir;			// Base for skins paths.
-	std::string mDefaultSkinDir;			// Location for default skin info.
-	std::string mSkinDir;			// Location for current skin info.
-	std::string mUserDefaultSkinDir;		// Location for default skin info.
-	std::string mUserSkinDir;			// Location for user-modified skin info.
-	// Skin directories to search, most general to most specific. This order
-	// works well for composing fine-grained files, in which an individual item
-	// in a specific file overrides the corresponding item in more general
-	// files. Of course, for a file-level search, iterate backwards.
-	std::vector<std::string> mSearchSkinDirs;
-	std::string mLanguage;              // Current viewer language
-	std::string mLLPluginDir;			// Location for plugins and plugin shell
-    static std::string sDumpDir;            // Per-run crash report subdir of log directory.
-	std::string mUserName;				// Current user name
-};
-
-void dir_exists_or_crash(const std::string &dir_name);
-
-extern LLDir *gDirUtilp;
-
-#endif // LL_LLDIR_H
diff --git a/indra/llvfs/lldir_linux.cpp b/indra/llvfs/lldir_linux.cpp
deleted file mode 100644
index 80ad05345a..0000000000
--- a/indra/llvfs/lldir_linux.cpp
+++ /dev/null
@@ -1,269 +0,0 @@
-/** 
- * @file lldir_linux.cpp
- * @brief Implementation of directory utilities for linux
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "lldir_linux.h"
-#include "llerror.h"
-#include "llrand.h"
-#include "llstring.h"
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <glob.h>
-#include <pwd.h>
-
-
-static std::string getCurrentUserHome(char* fallback)
-{
-	const uid_t uid = getuid();
-	struct passwd *pw;
-
-	pw = getpwuid(uid);
-	if ((pw != NULL) && (pw->pw_dir != NULL))
-	{
-		return pw->pw_dir;
-	}
-
-	LL_INFOS() << "Couldn't detect home directory from passwd - trying $HOME" << LL_ENDL;
-	auto home_env = LLStringUtil::getoptenv("HOME");
-	if (home_env)
-	{
-		return *home_env;
-	}
-	else
-	{
-		LL_WARNS() << "Couldn't detect home directory!  Falling back to " << fallback << LL_ENDL;
-		return fallback;
-	}
-}
-
-
-LLDir_Linux::LLDir_Linux()
-{
-	mDirDelimiter = "/";
-	mCurrentDirIndex = -1;
-	mCurrentDirCount = -1;
-	mDirp = NULL;
-
-	char tmp_str[LL_MAX_PATH];	/* Flawfinder: ignore */ 
-	if (getcwd(tmp_str, LL_MAX_PATH) == NULL)
-	{
-		strcpy(tmp_str, "/tmp");
-		LL_WARNS() << "Could not get current directory; changing to "
-				<< tmp_str << LL_ENDL;
-		if (chdir(tmp_str) == -1)
-		{
-			LL_ERRS() << "Could not change directory to " << tmp_str << LL_ENDL;
-		}
-	}
-
-	mExecutableFilename = "";
-	mExecutablePathAndName = "";
-	mExecutableDir = tmp_str;
-	mWorkingDir = tmp_str;
-#ifdef APP_RO_DATA_DIR
-	mAppRODataDir = APP_RO_DATA_DIR;
-#else
-	mAppRODataDir = tmp_str;
-#endif
-    std::string::size_type build_dir_pos = mExecutableDir.rfind("/build-linux-");
-    if (build_dir_pos != std::string::npos)
-    {
-		// ...we're in a dev checkout
-		mSkinBaseDir = mExecutableDir.substr(0, build_dir_pos) + "/indra/newview/skins";
-		LL_INFOS() << "Running in dev checkout with mSkinBaseDir "
-		 << mSkinBaseDir << LL_ENDL;
-    }
-    else
-    {
-		// ...normal installation running
-		mSkinBaseDir = mAppRODataDir + mDirDelimiter + "skins";
-    }	
-
-	mOSUserDir = getCurrentUserHome(tmp_str);
-	mOSUserAppDir = "";
-	mLindenUserDir = "";
-
-	char path [32];	/* Flawfinder: ignore */ 
-
-	// *NOTE: /proc/%d/exe doesn't work on FreeBSD. But that's ok,
-	// because this is the linux implementation.
-
-	snprintf (path, sizeof(path), "/proc/%d/exe", (int) getpid ()); 
-	int rc = readlink (path, tmp_str, sizeof (tmp_str)-1);	/* Flawfinder: ignore */ 
-	if ( (rc != -1) && (rc <= ((int) sizeof (tmp_str)-1)) )
-	{
-		tmp_str[rc] = '\0'; //readlink() doesn't 0-terminate the buffer
-		mExecutablePathAndName = tmp_str;
-		char *path_end;
-		if ((path_end = strrchr(tmp_str,'/')))
-		{
-			*path_end = '\0';
-			mExecutableDir = tmp_str;
-			mWorkingDir = tmp_str;
-			mExecutableFilename = path_end+1;
-		}
-		else
-		{
-			mExecutableFilename = tmp_str;
-		}
-	}
-
-	mLLPluginDir = mExecutableDir + mDirDelimiter + "llplugin";
-
-	// *TODO: don't use /tmp, use $HOME/.secondlife/tmp or something.
-	mTempDir = "/tmp";
-}
-
-LLDir_Linux::~LLDir_Linux()
-{
-}
-
-// Implementation
-
-
-void LLDir_Linux::initAppDirs(const std::string &app_name,
-							  const std::string& app_read_only_data_dir)
-{
-	// Allow override so test apps can read newview directory
-	if (!app_read_only_data_dir.empty())
-	{
-		mAppRODataDir = app_read_only_data_dir;
-		mSkinBaseDir = add(mAppRODataDir, "skins");
-	}
-	mAppName = app_name;
-
-	std::string upper_app_name(app_name);
-	LLStringUtil::toUpper(upper_app_name);
-
-	auto app_home_env(LLStringUtil::getoptenv(upper_app_name + "_USER_DIR"));
-	if (app_home_env)
-	{
-		// user has specified own userappdir i.e. $SECONDLIFE_USER_DIR
-		mOSUserAppDir = *app_home_env;
-	}
-	else
-	{
-		// traditionally on unixoids, MyApp gets ~/.myapp dir for data
-		mOSUserAppDir = mOSUserDir;
-		mOSUserAppDir += "/";
-		mOSUserAppDir += ".";
-		std::string lower_app_name(app_name);
-		LLStringUtil::toLower(lower_app_name);
-		mOSUserAppDir += lower_app_name;
-	}
-
-	// create any directories we expect to write to.
-
-	int res = LLFile::mkdir(mOSUserAppDir);
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create app user dir " << mOSUserAppDir << LL_ENDL;
-		LL_WARNS() << "Default to base dir" << mOSUserDir << LL_ENDL;
-		mOSUserAppDir = mOSUserDir;
-	}
-
-	res = LLFile::mkdir(getExpandedFilename(LL_PATH_LOGS,""));
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create LL_PATH_LOGS dir " << getExpandedFilename(LL_PATH_LOGS,"") << LL_ENDL;
-	}
-	
-	res = LLFile::mkdir(getExpandedFilename(LL_PATH_USER_SETTINGS,""));
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create LL_PATH_USER_SETTINGS dir " << getExpandedFilename(LL_PATH_USER_SETTINGS,"") << LL_ENDL;
-	}
-
-	res = LLFile::mkdir(getExpandedFilename(LL_PATH_CACHE,""));
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create LL_PATH_CACHE dir " << getExpandedFilename(LL_PATH_CACHE,"") << LL_ENDL;
-	}
-
-	mCAFile = getExpandedFilename(LL_PATH_EXECUTABLE, "ca-bundle.crt");
-}
-
-U32 LLDir_Linux::countFilesInDir(const std::string &dirname, const std::string &mask)
-{
-	U32 file_count = 0;
-	glob_t g;
-
-	std::string tmp_str;
-	tmp_str = dirname;
-	tmp_str += mask;
-	
-	if(glob(tmp_str.c_str(), GLOB_NOSORT, NULL, &g) == 0)
-	{
-		file_count = g.gl_pathc;
-
-		globfree(&g);
-	}
-
-	return (file_count);
-}
-
-std::string LLDir_Linux::getCurPath()
-{
-	char tmp_str[LL_MAX_PATH];	/* Flawfinder: ignore */ 
-	if (getcwd(tmp_str, LL_MAX_PATH) == NULL)
-	{
-		LL_WARNS() << "Could not get current directory" << LL_ENDL;
-		tmp_str[0] = '\0';
-	}
-	return tmp_str;
-}
-
-
-bool LLDir_Linux::fileExists(const std::string &filename) const
-{
-	struct stat stat_data;
-	// Check the age of the file
-	// Now, we see if the files we've gathered are recent...
-	int res = stat(filename.c_str(), &stat_data);
-	if (!res)
-	{
-		return TRUE;
-	}
-	else
-	{
-		return FALSE;
-	}
-}
-
-
-/*virtual*/ std::string LLDir_Linux::getLLPluginLauncher()
-{
-	return gDirUtilp->getExecutableDir() + gDirUtilp->getDirDelimiter() +
-		"SLPlugin";
-}
-
-/*virtual*/ std::string LLDir_Linux::getLLPluginFilename(std::string base_name)
-{
-	return gDirUtilp->getLLPluginDir() + gDirUtilp->getDirDelimiter() +
-		"lib" + base_name + ".so";
-}
diff --git a/indra/llvfs/lldir_linux.h b/indra/llvfs/lldir_linux.h
deleted file mode 100644
index e83a020ba4..0000000000
--- a/indra/llvfs/lldir_linux.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/** 
- * @file lldir_linux.h
- * @brief Definition of directory utilities class for linux
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#if !LL_LINUX
-#error This header must not be included when compiling for any target other than Linux. Consider including lldir.h instead.
-#endif // !LL_LINUX
-
-#ifndef LL_LLDIR_LINUX_H
-#define LL_LLDIR_LINUX_H
-
-#include "lldir.h"
-
-#include <dirent.h>
-#include <errno.h>
-
-class LLDir_Linux : public LLDir
-{
-public:
-	LLDir_Linux();
-	virtual ~LLDir_Linux();
-
-	/*virtual*/ void initAppDirs(const std::string &app_name,
-		const std::string& app_read_only_data_dir);
-
-	virtual std::string getCurPath();
-	virtual U32 countFilesInDir(const std::string &dirname, const std::string &mask);
-	/*virtual*/ bool fileExists(const std::string &filename) const;
-
-	/*virtual*/ std::string getLLPluginLauncher();
-	/*virtual*/ std::string getLLPluginFilename(std::string base_name);
-
-private:
-	DIR *mDirp;
-	int mCurrentDirIndex;
-	int mCurrentDirCount;
-	std::string mCurrentDir;
-};
-
-#endif // LL_LLDIR_LINUX_H
-
-
diff --git a/indra/llvfs/lldir_mac.cpp b/indra/llvfs/lldir_mac.cpp
deleted file mode 100644
index 87dc1b9795..0000000000
--- a/indra/llvfs/lldir_mac.cpp
+++ /dev/null
@@ -1,205 +0,0 @@
-/** 
- * @file lldir_mac.cpp
- * @brief Implementation of directory utilities for Mac OS X
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */ 
-
-#if LL_DARWIN
-
-#include "linden_common.h"
-
-#include "lldir_mac.h"
-#include "llerror.h"
-#include "llrand.h"
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <glob.h>
-#include <boost/filesystem.hpp>
-#include "llvfs_objc.h"
-
-// --------------------------------------------------------------------------------
-
-static bool CreateDirectory(const std::string &parent, 
-                            const std::string &child,
-                            std::string *fullname)
-{
-    
-    boost::filesystem::path p(parent);
-    p /= child;
-    
-    if (fullname)
-        *fullname = std::string(p.string());
-    
-    if (! boost::filesystem::create_directory(p))
-    {
-        return (boost::filesystem::is_directory(p));
-    }
-    return true;
-}
-
-// --------------------------------------------------------------------------------
-
-LLDir_Mac::LLDir_Mac()
-{
-	mDirDelimiter = "/";
-
-    const std::string     secondLifeString = "SecondLife";
-    
-    std::string *executablepathstr = getSystemExecutableFolder();
-
-    //NOTE:  LLINFOS/LLERRS will not output to log here.  The streams are not initialized.
-    
-	if (executablepathstr)
-	{
-		// mExecutablePathAndName
-		mExecutablePathAndName = *executablepathstr;
-        
-        boost::filesystem::path executablepath(*executablepathstr);
-        
-# ifndef BOOST_SYSTEM_NO_DEPRECATED
-#endif
-        mExecutableFilename = executablepath.filename().string();
-        mExecutableDir = executablepath.parent_path().string();
-		
-		// mAppRODataDir
-        std::string *resourcepath = getSystemResourceFolder();
-        mAppRODataDir = *resourcepath;
-		
-		// *NOTE: When running in a dev tree, use the copy of
-		// skins in indra/newview/ rather than in the application bundle.  This
-		// mirrors Windows dev environment behavior and allows direct checkin
-		// of edited skins/xui files. JC
-		
-		// MBW -- This keeps the mac application from finding other things.
-		// If this is really for skins, it should JUST apply to skins.
-        
-		std::string::size_type build_dir_pos = mExecutableDir.rfind("/build-darwin-");
-		if (build_dir_pos != std::string::npos)
-		{
-			// ...we're in a dev checkout
-			mSkinBaseDir = mExecutableDir.substr(0, build_dir_pos)
-				+ "/indra/newview/skins";
-			LL_INFOS() << "Running in dev checkout with mSkinBaseDir "
-				<< mSkinBaseDir << LL_ENDL;
-		}
-		else
-		{
-			// ...normal installation running
-			mSkinBaseDir = mAppRODataDir + mDirDelimiter + "skins";
-		}
-		
-		// mOSUserDir
-        std::string *appdir = getSystemApplicationSupportFolder();
-        std::string rootdir;
-
-        //Create root directory
-        if (CreateDirectory(*appdir, secondLifeString, &rootdir))
-        {
-            
-            // Save the full path to the folder
-            mOSUserDir = rootdir;
-            
-            // Create our sub-dirs
-            CreateDirectory(rootdir, std::string("data"), NULL);
-            CreateDirectory(rootdir, std::string("logs"), NULL);
-            CreateDirectory(rootdir, std::string("user_settings"), NULL);
-            CreateDirectory(rootdir, std::string("browser_profile"), NULL);
-        }
-    
-		//mOSCacheDir
-        std::string *cachedir =  getSystemCacheFolder();
-
-        if (cachedir)
-		
-		{
-            mOSCacheDir = *cachedir;
-            //TODO:  This changes from ~/Library/Cache/Secondlife to ~/Library/Cache/com.app.secondlife/Secondlife.  Last dir level could go away.
-            CreateDirectory(mOSCacheDir, secondLifeString, NULL);
-		}
-		
-		// mOSUserAppDir
-		mOSUserAppDir = mOSUserDir;
-		
-		// mTempDir
-        //Aura 120920 boost::filesystem::temp_directory_path() not yet implemented on mac. :(
-        std::string *tmpdir = getSystemTempFolder();
-        if (tmpdir)
-        {
-            
-            CreateDirectory(*tmpdir, secondLifeString, &mTempDir);
-            if (tmpdir) delete tmpdir;
-        }
-		
-		mWorkingDir = getCurPath();
-
-		mLLPluginDir = mAppRODataDir + mDirDelimiter + "llplugin";
-	}
-}
-
-LLDir_Mac::~LLDir_Mac()
-{
-}
-
-// Implementation
-
-
-void LLDir_Mac::initAppDirs(const std::string &app_name,
-							const std::string& app_read_only_data_dir)
-{
-	// Allow override so test apps can read newview directory
-	if (!app_read_only_data_dir.empty())
-	{
-		mAppRODataDir = app_read_only_data_dir;
-		mSkinBaseDir = add(mAppRODataDir, "skins");
-	}
-	mCAFile = add(mAppRODataDir, "ca-bundle.crt");
-}
-
-std::string LLDir_Mac::getCurPath()
-{
-	return boost::filesystem::path( boost::filesystem::current_path() ).string();
-}
-
-
-
-bool LLDir_Mac::fileExists(const std::string &filename) const
-{
-    return boost::filesystem::exists(filename);
-}
-
-
-/*virtual*/ std::string LLDir_Mac::getLLPluginLauncher()
-{
-	return gDirUtilp->getAppRODataDir() + gDirUtilp->getDirDelimiter() +
-		"SLPlugin.app/Contents/MacOS/SLPlugin";
-}
-
-/*virtual*/ std::string LLDir_Mac::getLLPluginFilename(std::string base_name)
-{
-	return gDirUtilp->getLLPluginDir() + gDirUtilp->getDirDelimiter() +
-		base_name + ".dylib";
-}
-
-
-#endif // LL_DARWIN
diff --git a/indra/llvfs/lldir_mac.h b/indra/llvfs/lldir_mac.h
deleted file mode 100644
index 558727ebbc..0000000000
--- a/indra/llvfs/lldir_mac.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/** 
- * @file lldir_mac.h
- * @brief Definition of directory utilities class for Mac OS X
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */ 
-
-#if !LL_DARWIN
-#error This header must not be included when compiling for any target other than Mac OS. Consider including lldir.h instead.
-#endif // !LL_DARWIN
-
-#ifndef LL_LLDIR_MAC_H
-#define LL_LLDIR_MAC_H
-
-#include "lldir.h"
-
-#include <dirent.h>
-
-class LLDir_Mac : public LLDir
-{
-public:
-	LLDir_Mac();
-	virtual ~LLDir_Mac();
-
-	/*virtual*/ void initAppDirs(const std::string &app_name,
-		const std::string& app_read_only_data_dir);
-
-	virtual std::string getCurPath();
-	virtual bool fileExists(const std::string &filename) const;
-
-	/*virtual*/ std::string getLLPluginLauncher();
-	/*virtual*/ std::string getLLPluginFilename(std::string base_name);
-};
-
-#endif // LL_LLDIR_MAC_H
-
-
diff --git a/indra/llvfs/lldir_win32.cpp b/indra/llvfs/lldir_win32.cpp
deleted file mode 100644
index b3b3afb37e..0000000000
--- a/indra/llvfs/lldir_win32.cpp
+++ /dev/null
@@ -1,452 +0,0 @@
-/** 
- * @file lldir_win32.cpp
- * @brief Implementation of directory utilities for windows
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#if LL_WINDOWS
-
-#include "linden_common.h"
-
-#include "lldir_win32.h"
-#include "llerror.h"
-#include "llstring.h"
-#include "stringize.h"
-#include "llfile.h"
-#include <shlobj.h>
-#include <fstream>
-
-#include <direct.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-// Utility stuff to get versions of the sh
-#define PACKVERSION(major,minor) MAKELONG(minor,major)
-DWORD GetDllVersion(LPCTSTR lpszDllName);
-
-namespace
-{ // anonymous
-    enum class prst { INIT, OPEN, SKIP } state = prst::INIT;
-    // This is called so early that we can't count on static objects being
-    // properly constructed yet, so declare a pointer instead of an instance.
-    std::ofstream* prelogf = nullptr;
-
-    void prelog(const std::string& message)
-    {
-        boost::optional<std::string> prelog_name;
-
-        switch (state)
-        {
-        case prst::INIT:
-            // assume we failed, until we succeed
-            state = prst::SKIP;
-
-            prelog_name = LLStringUtil::getoptenv("PRELOG");
-            if (! prelog_name)
-                // no PRELOG variable set, carry on
-                return;
-            prelogf = new llofstream(*prelog_name, std::ios_base::app);
-            if (! (prelogf && prelogf->is_open()))
-                // can't complain to anybody; how?
-                return;
-            // got the log file open, cool!
-            state = prst::OPEN;
-            (*prelogf) << "========================================================================"
-                       << std::endl;
-            // fall through, don't break
-
-        case prst::OPEN:
-            (*prelogf) << message << std::endl;
-            break;
-
-        case prst::SKIP:
-            // either PRELOG isn't set, or we failed to open that pathname
-            break;
-        }
-    }
-} // anonymous namespace
-
-#define PRELOG(expression) prelog(STRINGIZE(expression))
-
-LLDir_Win32::LLDir_Win32()
-{
-	// set this first: used by append() and add() methods
-	mDirDelimiter = "\\";
-
-	WCHAR w_str[MAX_PATH];
-	// Application Data is where user settings go. We rely on $APPDATA being
-	// correct.
-	auto APPDATA = LLStringUtil::getoptenv("APPDATA");
-	if (APPDATA)
-	{
-		mOSUserDir = *APPDATA;
-	}
-	PRELOG("APPDATA='" << mOSUserDir << "'");
-	// On Windows, we could have received a plain-ASCII pathname in which
-	// non-ASCII characters have been munged to '?', or the pathname could
-	// have been badly encoded and decoded such that we now have garbage
-	// instead of a valid path. Check that mOSUserDir actually exists.
-	if (mOSUserDir.empty() || ! fileExists(mOSUserDir))
-	{
-		PRELOG("APPDATA does not exist");
-		//HRESULT okay = SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, w_str);
-		wchar_t *pwstr = NULL;
-		HRESULT okay = SHGetKnownFolderPath(FOLDERID_RoamingAppData, 0, NULL, &pwstr);
-		PRELOG("SHGetKnownFolderPath(FOLDERID_RoamingAppData) returned " << okay);
-		if (SUCCEEDED(okay) && pwstr)
-		{
-			// But of course, only update mOSUserDir if SHGetKnownFolderPath() works.
-			mOSUserDir = ll_convert_wide_to_string(pwstr);
-			// Not only that: update our environment so that child processes
-			// will see a reasonable value as well.
-			_wputenv_s(L"APPDATA", pwstr);
-			// SHGetKnownFolderPath() contract requires us to free pwstr
-			CoTaskMemFree(pwstr);
-			PRELOG("mOSUserDir='" << mOSUserDir << "'");
-		}
-	}
-
-	// We want cache files to go on the local disk, even if the
-	// user is on a network with a "roaming profile".
-	//
-	// On Vista this is:
-	//   C:\Users\James\AppData\Local
-	//
-	// We used to store the cache in AppData\Roaming, and the installer
-	// cleans up that version on upgrade.  JC
-	auto LOCALAPPDATA = LLStringUtil::getoptenv("LOCALAPPDATA");
-	if (LOCALAPPDATA)
-	{
-		mOSCacheDir = *LOCALAPPDATA;
-	}
-	PRELOG("LOCALAPPDATA='" << mOSCacheDir << "'");
-	// Windows really does not deal well with pathnames containing non-ASCII
-	// characters. See above remarks about APPDATA.
-	if (mOSCacheDir.empty() || ! fileExists(mOSCacheDir))
-	{
-		PRELOG("LOCALAPPDATA does not exist");
-		//HRESULT okay = SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, 0, w_str);
-		wchar_t *pwstr = NULL;
-		HRESULT okay = SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &pwstr);
-		PRELOG("SHGetKnownFolderPath(FOLDERID_LocalAppData) returned " << okay);
-		if (SUCCEEDED(okay) && pwstr)
-		{
-			// But of course, only update mOSCacheDir if SHGetKnownFolderPath() works.
-			mOSCacheDir = ll_convert_wide_to_string(pwstr);
-			// Update our environment so that child processes will see a
-			// reasonable value as well.
-			_wputenv_s(L"LOCALAPPDATA", pwstr);
-			// SHGetKnownFolderPath() contract requires us to free pwstr
-			CoTaskMemFree(pwstr);
-			PRELOG("mOSCacheDir='" << mOSCacheDir << "'");
-		}
-	}
-
-	if (GetTempPath(MAX_PATH, w_str))
-	{
-		if (wcslen(w_str))	/* Flawfinder: ignore */ 
-		{
-			w_str[wcslen(w_str)-1] = '\0'; /* Flawfinder: ignore */ // remove trailing slash
-		}
-		mTempDir = utf16str_to_utf8str(llutf16string(w_str));
-
-		if (mOSUserDir.empty())
-		{
-			mOSUserDir = mTempDir;
-		}
-
-		if (mOSCacheDir.empty())
-		{
-			mOSCacheDir = mTempDir;
-		}
-	}
-	else
-	{
-		mTempDir = mOSUserDir;
-	}
-
-/*==========================================================================*|
-	// Now that we've got mOSUserDir, one way or another, let's see how we did
-	// with our environment variables.
-	{
-		auto report = [this](std::ostream& out){
-			out << "mOSUserDir  = '" << mOSUserDir  << "'\n"
-				<< "mOSCacheDir = '" << mOSCacheDir << "'\n"
-				<< "mTempDir    = '" << mTempDir    << "'" << std::endl;
-		};
-		int res = LLFile::mkdir(mOSUserDir);
-		if (res == -1)
-		{
-			// If we couldn't even create the directory, just blurt to stderr
-			report(std::cerr);
-		}
-		else
-		{
-			// successfully created logdir, plunk a log file there
-			std::string logfilename(add(mOSUserDir, "lldir.log"));
-			std::ofstream logfile(logfilename.c_str());
-			if (! logfile.is_open())
-			{
-				report(std::cerr);
-			}
-			else
-			{
-				report(logfile);
-			}
-		}
-	}
-|*==========================================================================*/
-
-//	fprintf(stderr, "mTempDir = <%s>",mTempDir);
-
-	// Set working directory, for LLDir::getWorkingDir()
-	GetCurrentDirectory(MAX_PATH, w_str);
-	mWorkingDir = utf16str_to_utf8str(llutf16string(w_str));
-
-	// Set the executable directory
-	S32 size = GetModuleFileName(NULL, w_str, MAX_PATH);
-	if (size)
-	{
-		w_str[size] = '\0';
-		mExecutablePathAndName = utf16str_to_utf8str(llutf16string(w_str));
-		S32 path_end = mExecutablePathAndName.find_last_of('\\');
-		if (path_end != std::string::npos)
-		{
-			mExecutableDir = mExecutablePathAndName.substr(0, path_end);
-			mExecutableFilename = mExecutablePathAndName.substr(path_end+1, std::string::npos);
-		}
-		else
-		{
-			mExecutableFilename = mExecutablePathAndName;
-		}
-
-	}
-	else
-	{
-		fprintf(stderr, "Couldn't get APP path, assuming current directory!");
-		mExecutableDir = mWorkingDir;
-		// Assume it's the current directory
-	}
-
-	// mAppRODataDir = ".";	
-
-	// Determine the location of the App-Read-Only-Data
-	// Try the working directory then the exe's dir.
-	mAppRODataDir = mWorkingDir;	
-
-
-//	if (mExecutableDir.find("indra") == std::string::npos)
-	
-	// *NOTE:Mani - It is a mistake to put viewer specific code in
-	// the LLDir implementation. The references to 'skins' and 
-	// 'llplugin' need to go somewhere else.
-	// alas... this also gets called during static initialization 
-	// time due to the construction of gDirUtil in lldir.cpp.
-	if(! LLFile::isdir(add(mAppRODataDir, "skins")))
-	{
-		// What? No skins in the working dir?
-		// Try the executable's directory.
-		mAppRODataDir = mExecutableDir;
-	}
-
-//	LL_INFOS() << "mAppRODataDir = " << mAppRODataDir << LL_ENDL;
-
-	mSkinBaseDir = add(mAppRODataDir, "skins");
-
-	// Build the default cache directory
-	mDefaultCacheDir = buildSLOSCacheDir();
-	
-	// Make sure it exists
-	int res = LLFile::mkdir(mDefaultCacheDir);
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create LL_PATH_CACHE dir " << mDefaultCacheDir << LL_ENDL;
-	}
-
-	mLLPluginDir = add(mExecutableDir, "llplugin");
-}
-
-LLDir_Win32::~LLDir_Win32()
-{
-}
-
-// Implementation
-
-void LLDir_Win32::initAppDirs(const std::string &app_name,
-							  const std::string& app_read_only_data_dir)
-{
-	// Allow override so test apps can read newview directory
-	if (!app_read_only_data_dir.empty())
-	{
-		mAppRODataDir = app_read_only_data_dir;
-		mSkinBaseDir = add(mAppRODataDir, "skins");
-	}
-	mAppName = app_name;
-	mOSUserAppDir = add(mOSUserDir, app_name);
-
-	int res = LLFile::mkdir(mOSUserAppDir);
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create app user dir " << mOSUserAppDir << LL_ENDL;
-		LL_WARNS() << "Default to base dir" << mOSUserDir << LL_ENDL;
-		mOSUserAppDir = mOSUserDir;
-	}
-	//dumpCurrentDirectories();
-
-	res = LLFile::mkdir(getExpandedFilename(LL_PATH_LOGS,""));
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create LL_PATH_LOGS dir " << getExpandedFilename(LL_PATH_LOGS,"") << LL_ENDL;
-	}
-
-	res = LLFile::mkdir(getExpandedFilename(LL_PATH_USER_SETTINGS,""));
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create LL_PATH_USER_SETTINGS dir " << getExpandedFilename(LL_PATH_USER_SETTINGS,"") << LL_ENDL;
-	}
-
-	res = LLFile::mkdir(getExpandedFilename(LL_PATH_CACHE,""));
-	if (res == -1)
-	{
-		LL_WARNS() << "Couldn't create LL_PATH_CACHE dir " << getExpandedFilename(LL_PATH_CACHE,"") << LL_ENDL;
-	}
-
-	mCAFile = getExpandedFilename( LL_PATH_EXECUTABLE, "ca-bundle.crt" );
-}
-
-U32 LLDir_Win32::countFilesInDir(const std::string &dirname, const std::string &mask)
-{
-	HANDLE count_search_h;
-	U32 file_count;
-
-	file_count = 0;
-
-	WIN32_FIND_DATA FileData;
-
-	llutf16string pathname = utf8str_to_utf16str(dirname);
-	pathname += utf8str_to_utf16str(mask);
-	
-	if ((count_search_h = FindFirstFile(pathname.c_str(), &FileData)) != INVALID_HANDLE_VALUE)   
-	{
-		file_count++;
-
-		while (FindNextFile(count_search_h, &FileData))
-		{
-			file_count++;
-		}
-		   
-		FindClose(count_search_h);
-	}
-
-	return (file_count);
-}
-
-std::string LLDir_Win32::getCurPath()
-{
-	WCHAR w_str[MAX_PATH];
-	GetCurrentDirectory(MAX_PATH, w_str);
-
-	return utf16str_to_utf8str(llutf16string(w_str));
-}
-
-
-bool LLDir_Win32::fileExists(const std::string &filename) const
-{
-	llstat stat_data;
-	// Check the age of the file
-	// Now, we see if the files we've gathered are recent...
-	int res = LLFile::stat(filename, &stat_data);
-	if (!res)
-	{
-		return TRUE;
-	}
-	else
-	{
-		return FALSE;
-	}
-}
-
-
-/*virtual*/ std::string LLDir_Win32::getLLPluginLauncher()
-{
-	return gDirUtilp->getExecutableDir() + gDirUtilp->getDirDelimiter() +
-		"SLPlugin.exe";
-}
-
-/*virtual*/ std::string LLDir_Win32::getLLPluginFilename(std::string base_name)
-{
-	return gDirUtilp->getLLPluginDir() + gDirUtilp->getDirDelimiter() +
-		base_name + ".dll";
-}
-
-
-#if 0
-// Utility function to get version number of a DLL
-
-#define PACKVERSION(major,minor) MAKELONG(minor,major)
-
-DWORD GetDllVersion(LPCTSTR lpszDllName)
-{
-
-    HINSTANCE hinstDll;
-    DWORD dwVersion = 0;
-
-    hinstDll = LoadLibrary(lpszDllName);	/* Flawfinder: ignore */ 
-	
-    if(hinstDll)
-    {
-        DLLGETVERSIONPROC pDllGetVersion;
-
-        pDllGetVersion = (DLLGETVERSIONPROC) GetProcAddress(hinstDll, "DllGetVersion");
-
-/*Because some DLLs might not implement this function, you
-  must test for it explicitly. Depending on the particular 
-  DLL, the lack of a DllGetVersion function can be a useful
-  indicator of the version.
-*/
-        if(pDllGetVersion)
-        {
-            DLLVERSIONINFO dvi;
-            HRESULT hr;
-
-            ZeroMemory(&dvi, sizeof(dvi));
-            dvi.cbSize = sizeof(dvi);
-
-            hr = (*pDllGetVersion)(&dvi);
-
-            if(SUCCEEDED(hr))
-            {
-                dwVersion = PACKVERSION(dvi.dwMajorVersion, dvi.dwMinorVersion);
-            }
-        }
-        
-        FreeLibrary(hinstDll);
-    }
-    return dwVersion;
-}
-#endif
-
-#endif
-
-
diff --git a/indra/llvfs/lldir_win32.h b/indra/llvfs/lldir_win32.h
deleted file mode 100644
index 450efaf9da..0000000000
--- a/indra/llvfs/lldir_win32.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/** 
- * @file lldir_win32.h
- * @brief Definition of directory utilities class for windows
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#if !LL_WINDOWS
-#error This header must not be included when compiling for any target other than Windows. Consider including lldir.h instead.
-#endif // !LL_WINDOWS
-
-#ifndef LL_LLDIR_WIN32_H
-#define LL_LLDIR_WIN32_H
-
-#include "lldir.h"
-
-class LLDir_Win32 : public LLDir
-{
-public:
-	LLDir_Win32();
-	virtual ~LLDir_Win32();
-
-	/*virtual*/ void initAppDirs(const std::string &app_name,
-		const std::string& app_read_only_data_dir);
-
-	/*virtual*/ std::string getCurPath();
-	/*virtual*/ U32 countFilesInDir(const std::string &dirname, const std::string &mask);
-	/*virtual*/ bool fileExists(const std::string &filename) const;
-
-	/*virtual*/ std::string getLLPluginLauncher();
-	/*virtual*/ std::string getLLPluginFilename(std::string base_name);
-
-private:
-	void* mDirSearch_h;
-	llutf16string mCurrentDir;
-};
-
-#endif // LL_LLDIR_WIN32_H
-
-
diff --git a/indra/llvfs/lldirguard.h b/indra/llvfs/lldirguard.h
deleted file mode 100644
index 37b9e9b83e..0000000000
--- a/indra/llvfs/lldirguard.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/** 
- * @file lldirguard.h
- * @brief Protect working directory from being changed in scope.
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_DIRGUARD_H
-#define LL_DIRGUARD_H
-
-#include "linden_common.h"
-#include "llerror.h"
-
-#if LL_WINDOWS
-class LLDirectoryGuard
-{
-public:
-	LLDirectoryGuard()
-	{
-		mOrigDirLen = GetCurrentDirectory(MAX_PATH, mOrigDir);
-	}
-
-	~LLDirectoryGuard()
-	{
-		mFinalDirLen = GetCurrentDirectory(MAX_PATH, mFinalDir);
-		if ((mOrigDirLen!=mFinalDirLen) ||
-			(wcsncmp(mOrigDir,mFinalDir,mOrigDirLen)!=0))
-		{
-			// Dir has changed
-			std::string mOrigDirUtf8 = utf16str_to_utf8str(llutf16string(mOrigDir));
-			std::string mFinalDirUtf8 = utf16str_to_utf8str(llutf16string(mFinalDir));
-			LL_INFOS() << "Resetting working dir from " << mFinalDirUtf8 << " to " << mOrigDirUtf8 << LL_ENDL;
-			SetCurrentDirectory(mOrigDir);
-		}
-	}
-
-private:
-	TCHAR mOrigDir[MAX_PATH];
-	DWORD mOrigDirLen;
-	TCHAR mFinalDir[MAX_PATH];
-	DWORD mFinalDirLen;
-};
-#else // No-op outside Windows.
-class LLDirectoryGuard
-{
-public:
-	LLDirectoryGuard() {}
-	~LLDirectoryGuard() {}
-};
-#endif 
-
-
-#endif
diff --git a/indra/llvfs/lldiriterator.cpp b/indra/llvfs/lldiriterator.cpp
deleted file mode 100644
index 3eb64e69d9..0000000000
--- a/indra/llvfs/lldiriterator.cpp
+++ /dev/null
@@ -1,243 +0,0 @@
-/**
- * @file lldiriterator.cpp
- * @brief Iterator through directory entries matching the search pattern.
- *
- * $LicenseInfo:firstyear=2010&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "lldiriterator.h"
-
-#include "fix_macros.h"
-#include <boost/filesystem.hpp>
-#include <boost/regex.hpp>
-
-namespace fs = boost::filesystem;
-
-static std::string glob_to_regex(const std::string& glob);
-
-class LLDirIterator::Impl
-{
-public:
-	Impl(const std::string &dirname, const std::string &mask);
-	~Impl();
-
-	bool next(std::string &fname);
-
-private:
-	boost::regex			mFilterExp;
-	fs::directory_iterator	mIter;
-	bool					mIsValid;
-};
-
-LLDirIterator::Impl::Impl(const std::string &dirname, const std::string &mask)
-	: mIsValid(false)
-{
-#ifdef LL_WINDOWS // or BOOST_WINDOWS_API
-	fs::path dir_path(utf8str_to_utf16str(dirname));
-#else
-	fs::path dir_path(dirname);
-#endif
-
-	bool is_dir = false;
-
-	// Check if path is a directory.
-	try
-	{
-		is_dir = fs::is_directory(dir_path);
-	}
-	catch (const fs::filesystem_error& e)
-	{
-		LL_WARNS() << e.what() << LL_ENDL;
-		return;
-	}
-
-	if (!is_dir)
-	{
-		LL_WARNS() << "Invalid path: \"" << dir_path.string() << "\"" << LL_ENDL;
-		return;
-	}
-
-	// Initialize the directory iterator for the given path.
-	try
-	{
-		mIter = fs::directory_iterator(dir_path);
-	}
-	catch (const fs::filesystem_error& e)
-	{
-		LL_WARNS() << e.what() << LL_ENDL;
-		return;
-	}
-
-	// Convert the glob mask to a regular expression
-	std::string exp = glob_to_regex(mask);
-
-	// Initialize boost::regex with the expression converted from
-	// the glob mask.
-	// An exception is thrown if the expression is not valid.
-	try
-	{
-		mFilterExp.assign(exp);
-	}
-	catch (boost::regex_error& e)
-	{
-		LL_WARNS() << "\"" << exp << "\" is not a valid regular expression: "
-				<< e.what() << LL_ENDL;
-		return;
-	}
-
-	mIsValid = true;
-}
-
-LLDirIterator::Impl::~Impl()
-{
-}
-
-bool LLDirIterator::Impl::next(std::string &fname)
-{
-	fname = "";
-
-	if (!mIsValid)
-	{
-		LL_WARNS() << "The iterator is not correctly initialized." << LL_ENDL;
-		return false;
-	}
-
-	fs::directory_iterator end_itr; // default construction yields past-the-end
-	bool found = false;
-
-	// Check if path is a directory.
-	try
-	{
-		while (mIter != end_itr && !found)
-		{
-			boost::smatch match;
-			std::string name = mIter->path().filename().string();
-			found = boost::regex_match(name, match, mFilterExp);
-			if (found)
-			{
-				fname = name;
-			}
-
-			++mIter;
-		}
-	}
-	catch (const fs::filesystem_error& e)
-	{
-		LL_WARNS() << e.what() << LL_ENDL;
-	}
-
-	return found;
-}
-
-/**
-Converts the incoming glob into a regex. This involves
-converting incoming glob expressions to regex equivilents and
-at the same time, escaping any regex meaningful characters which
-do not have glob meaning, i.e.
-            .()+|^$ 
-in the input.
-*/
-std::string glob_to_regex(const std::string& glob)
-{
-	std::string regex;
-	regex.reserve(glob.size()<<1);
-	S32 braces = 0;
-	bool escaped = false;
-	bool square_brace_open = false;
-
-	for (std::string::const_iterator i = glob.begin(); i != glob.end(); ++i)
-	{
-		char c = *i;
-
-		switch (c)
-		{
-			case '*':
-				if (glob.begin() == i)
-				{
-					regex+="[^.].*";
-				}
-				else
-				{
-					regex+= escaped ? "*" : ".*";
-				}
-				break;
-			case '?':
-				regex+= escaped ? '?' : '.';
-				break;
-			case '{':
-				braces++;
-				regex+='(';
-				break;
-			case '}':
-				if (!braces)
-				{
-					LL_ERRS() << "glob_to_regex: Closing brace without an equivalent opening brace: " << glob << LL_ENDL;
-				}
-
-				regex+=')';
-				braces--;
-				break;
-			case ',':
-				regex+= braces ? '|' : c;
-				break;
-			case '!':
-				regex+= square_brace_open ? '^' : c;
-				break;
-			case '.': // This collection have different regex meaning
-			case '^': // and so need escaping.
-			case '(': 
-			case ')':
-			case '+':
-			case '|':
-			case '$':
-				regex += '\\'; 
-			default:
-				regex += c;
-				break;
-		}
-
-		escaped = ('\\' == c);
-		square_brace_open = ('[' == c);
-	}
-
-	if (braces)
-	{
-		LL_ERRS() << "glob_to_regex: Unterminated brace expression: " << glob << LL_ENDL;
-	}
-
-	return regex;
-}
-
-LLDirIterator::LLDirIterator(const std::string &dirname, const std::string &mask)
-{
-	mImpl = new Impl(dirname, mask);
-}
-
-LLDirIterator::~LLDirIterator()
-{
-	delete mImpl;
-}
-
-bool LLDirIterator::next(std::string &fname)
-{
-	return mImpl->next(fname);
-}
diff --git a/indra/llvfs/lldiriterator.h b/indra/llvfs/lldiriterator.h
deleted file mode 100644
index 0b48be41b3..0000000000
--- a/indra/llvfs/lldiriterator.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/**
- * @file lldiriterator.h
- * @brief Iterator through directory entries matching the search pattern.
- *
- * $LicenseInfo:firstyear=2010&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLDIRITERATOR_H
-#define LL_LLDIRITERATOR_H
-
-#include "linden_common.h"
-
-/**
- * Class LLDirIterator
- *
- * Iterates through directory entries matching the search pattern.
- */
-class LLDirIterator
-{
-public:
-	/**
-	 * Constructs LLDirIterator object to search for glob pattern
-	 * matches in a directory.
-	 *
-	 * @param dirname - name of a directory to search in.
-	 * @param mask - search pattern, a glob expression
-	 *
-	 * Wildcards supported in glob expressions:
-	 * --------------------------------------------------------------
-	 * | Wildcard 	| Matches										|
-	 * --------------------------------------------------------------
-	 * | 	* 		|zero or more characters						|
-	 * | 	?		|exactly one character							|
-	 * | [abcde]	|exactly one character listed					|
-	 * | [a-e]		|exactly one character in the given range		|
-	 * | [!abcde]	|any character that is not listed				|
-	 * | [!a-e]		|any character that is not in the given range	|
-	 * | {abc,xyz}	|exactly one entire word in the options given	|
-	 * --------------------------------------------------------------
-	 */
-	LLDirIterator(const std::string &dirname, const std::string &mask);
-
-	~LLDirIterator();
-
-	/**
-	 * Searches for the next directory entry matching the glob mask
-	 * specified upon iterator construction.
-	 * Returns true if a match is found, sets fname
-	 * parameter to the name of the matched directory entry and
-	 * increments the iterator position.
-	 *
-	 * Typical usage:
-	 * <code>
-	 * LLDirIterator iter(directory, pattern);
-	 * if ( iter.next(scanResult) )
-	 * </code>
-	 *
-	 * @param fname - name of the matched directory entry.
-	 * @return true if a match is found, false otherwise.
-	 */
-	bool next(std::string &fname);
-
-protected:
-	class Impl;
-	Impl* mImpl;
-};
-
-#endif //LL_LLDIRITERATOR_H
diff --git a/indra/llvfs/lllfsthread.cpp b/indra/llvfs/lllfsthread.cpp
deleted file mode 100644
index be8e83a56f..0000000000
--- a/indra/llvfs/lllfsthread.cpp
+++ /dev/null
@@ -1,245 +0,0 @@
-/** 
- * @file lllfsthread.cpp
- * @brief LLLFSThread base class
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-#include "lllfsthread.h"
-#include "llstl.h"
-#include "llapr.h"
-
-//============================================================================
-
-/*static*/ LLLFSThread* LLLFSThread::sLocal = NULL;
-
-//============================================================================
-// Run on MAIN thread
-//static
-void LLLFSThread::initClass(bool local_is_threaded)
-{
-	llassert(sLocal == NULL);
-	sLocal = new LLLFSThread(local_is_threaded);
-}
-
-//static
-S32 LLLFSThread::updateClass(U32 ms_elapsed)
-{
-	sLocal->update((F32)ms_elapsed);
-	return sLocal->getPending();
-}
-
-//static
-void LLLFSThread::cleanupClass()
-{
-	llassert(sLocal != NULL);
-	sLocal->setQuitting();
-	while (sLocal->getPending())
-	{
-		sLocal->update(0);
-	}
-	delete sLocal;
-	sLocal = NULL;
-}
-
-//----------------------------------------------------------------------------
-
-LLLFSThread::LLLFSThread(bool threaded) :
-	LLQueuedThread("LFS", threaded),
-	mPriorityCounter(PRIORITY_LOWBITS)
-{
-	if(!mLocalAPRFilePoolp)
-	{
-		mLocalAPRFilePoolp = new LLVolatileAPRPool() ;
-	}
-}
-
-LLLFSThread::~LLLFSThread()
-{
-	// mLocalAPRFilePoolp cleanup in LLThread
-	// ~LLQueuedThread() will be called here
-}
-
-//----------------------------------------------------------------------------
-
-LLLFSThread::handle_t LLLFSThread::read(const std::string& filename,	/* Flawfinder: ignore */ 
-										U8* buffer, S32 offset, S32 numbytes,
-										Responder* responder, U32 priority)
-{
-	handle_t handle = generateHandle();
-
-	if (priority == 0) priority = PRIORITY_NORMAL | priorityCounter();
-	else if (priority < PRIORITY_LOW) priority |= PRIORITY_LOW; // All reads are at least PRIORITY_LOW
-
-	Request* req = new Request(this, handle, priority,
-							   FILE_READ, filename,
-							   buffer, offset, numbytes,
-							   responder);
-
-	bool res = addRequest(req);
-	if (!res)
-	{
-		LL_ERRS() << "LLLFSThread::read called after LLLFSThread::cleanupClass()" << LL_ENDL;
-	}
-
-	return handle;
-}
-
-LLLFSThread::handle_t LLLFSThread::write(const std::string& filename,
-										 U8* buffer, S32 offset, S32 numbytes,
-										 Responder* responder, U32 priority)
-{
-	handle_t handle = generateHandle();
-
-	if (priority == 0) priority = PRIORITY_LOW | priorityCounter();
-	
-	Request* req = new Request(this, handle, priority,
-							   FILE_WRITE, filename,
-							   buffer, offset, numbytes,
-							   responder);
-
-	bool res = addRequest(req);
-	if (!res)
-	{
-		LL_ERRS() << "LLLFSThread::read called after LLLFSThread::cleanupClass()" << LL_ENDL;
-	}
-	
-	return handle;
-}
-
-//============================================================================
-
-LLLFSThread::Request::Request(LLLFSThread* thread,
-							  handle_t handle, U32 priority,
-							  operation_t op, const std::string& filename,
-							  U8* buffer, S32 offset, S32 numbytes,
-							  Responder* responder) :
-	QueuedRequest(handle, priority, FLAG_AUTO_COMPLETE),
-	mThread(thread),
-	mOperation(op),
-	mFileName(filename),
-	mBuffer(buffer),
-	mOffset(offset),
-	mBytes(numbytes),
-	mBytesRead(0),
-	mResponder(responder)
-{
-	if (numbytes <= 0)
-	{
-		LL_WARNS() << "LLLFSThread: Request with numbytes = " << numbytes << LL_ENDL;
-	}
-}
-
-LLLFSThread::Request::~Request()
-{
-}
-
-// virtual, called from own thread
-void LLLFSThread::Request::finishRequest(bool completed)
-{
-	if (mResponder.notNull())
-	{
-		mResponder->completed(completed ? mBytesRead : 0);
-		mResponder = NULL;
-	}
-}
-
-void LLLFSThread::Request::deleteRequest()
-{
-	if (getStatus() == STATUS_QUEUED)
-	{
-		LL_ERRS() << "Attempt to delete a queued LLLFSThread::Request!" << LL_ENDL;
-	}	
-	if (mResponder.notNull())
-	{
-		mResponder->completed(0);
-		mResponder = NULL;
-	}
-	LLQueuedThread::QueuedRequest::deleteRequest();
-}
-
-bool LLLFSThread::Request::processRequest()
-{
-	bool complete = false;
-	if (mOperation ==  FILE_READ)
-	{
-		llassert(mOffset >= 0);
-		LLAPRFile infile ; // auto-closes
-		infile.open(mFileName, LL_APR_RB, mThread->getLocalAPRFilePool());
-		if (!infile.getFileHandle())
-		{
-			LL_WARNS() << "LLLFS: Unable to read file: " << mFileName << LL_ENDL;
-			mBytesRead = 0; // fail
-			return true;
-		}
-		S32 off;
-		if (mOffset < 0)
-			off = infile.seek(APR_END, 0);
-		else
-			off = infile.seek(APR_SET, mOffset);
-		llassert_always(off >= 0);
-		mBytesRead = infile.read(mBuffer, mBytes );
-		complete = true;
-// 		LL_INFOS() << "LLLFSThread::READ:" << mFileName << " Bytes: " << mBytesRead << LL_ENDL;
-	}
-	else if (mOperation ==  FILE_WRITE)
-	{
-		apr_int32_t flags = APR_CREATE|APR_WRITE|APR_BINARY;
-		if (mOffset < 0)
-			flags |= APR_APPEND;
-		LLAPRFile outfile ; // auto-closes
-		outfile.open(mFileName, flags, mThread->getLocalAPRFilePool());
-		if (!outfile.getFileHandle())
-		{
-			LL_WARNS() << "LLLFS: Unable to write file: " << mFileName << LL_ENDL;
-			mBytesRead = 0; // fail
-			return true;
-		}
-		if (mOffset >= 0)
-		{
-			S32 seek = outfile.seek(APR_SET, mOffset);
-			if (seek < 0)
-			{
-				LL_WARNS() << "LLLFS: Unable to write file (seek failed): " << mFileName << LL_ENDL;
-				mBytesRead = 0; // fail
-				return true;
-			}
-		}
-		mBytesRead = outfile.write(mBuffer, mBytes );
-		complete = true;
-// 		LL_INFOS() << "LLLFSThread::WRITE:" << mFileName << " Bytes: " << mBytesRead << "/" << mBytes << " Offset:" << mOffset << LL_ENDL;
-	}
-	else
-	{
-		LL_ERRS() << "LLLFSThread::unknown operation: " << (S32)mOperation << LL_ENDL;
-	}
-	return complete;
-}
-
-//============================================================================
-
-LLLFSThread::Responder::~Responder()
-{
-}
-
-//============================================================================
diff --git a/indra/llvfs/lllfsthread.h b/indra/llvfs/lllfsthread.h
deleted file mode 100644
index 58f658f7ba..0000000000
--- a/indra/llvfs/lllfsthread.h
+++ /dev/null
@@ -1,147 +0,0 @@
-/** 
- * @file lllfsthread.h
- * @brief LLLFSThread base class
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLLFSTHREAD_H
-#define LL_LLLFSTHREAD_H
-
-#include <queue>
-#include <string>
-#include <map>
-#include <set>
-
-#include "llpointer.h"
-#include "llqueuedthread.h"
-
-//============================================================================
-// Threaded Local File System
-//============================================================================
-
-class LLLFSThread : public LLQueuedThread
-{
-	//------------------------------------------------------------------------
-public:
-	enum operation_t {
-		FILE_READ,
-		FILE_WRITE,
-		FILE_RENAME,
-		FILE_REMOVE
-	};
-
-	//------------------------------------------------------------------------
-public:
-
-	class Responder : public LLThreadSafeRefCount
-	{
-	protected:
-		~Responder();
-	public:
-		virtual void completed(S32 bytes) = 0;
-	};
-
-	class Request : public QueuedRequest
-	{
-	protected:
-		virtual ~Request(); // use deleteRequest()
-		
-	public:
-		Request(LLLFSThread* thread,
-				handle_t handle, U32 priority, 
-				operation_t op, const std::string& filename,
-				U8* buffer, S32 offset, S32 numbytes,
-				Responder* responder);
-
-		S32 getBytes()
-		{
-			return mBytes;
-		}
-		S32 getBytesRead()
-		{
-			return mBytesRead;
-		}
-		S32 getOperation()
-		{
-			return mOperation;
-		}
-		U8* getBuffer()
-		{
-			return mBuffer;
-		}
-		const std::string& getFilename()
-		{
-			return mFileName;
-		}
-		
-		/*virtual*/ bool processRequest();
-		/*virtual*/ void finishRequest(bool completed);
-		/*virtual*/ void deleteRequest();
-		
-	private:
-		LLLFSThread* mThread;
-		operation_t mOperation;
-		
-		std::string mFileName;
-		
-		U8* mBuffer;	// dest for reads, source for writes, new UUID for rename
-		S32 mOffset;	// offset into file, -1 = append (WRITE only)
-		S32 mBytes;		// bytes to read from file, -1 = all
-		S32 mBytesRead;	// bytes read from file
-
-		LLPointer<Responder> mResponder;
-	};
-
-	//------------------------------------------------------------------------
-public:
-	LLLFSThread(bool threaded = TRUE);
-	~LLLFSThread();	
-
-	// Return a Request handle
-	handle_t read(const std::string& filename,	/* Flawfinder: ignore */ 
-				  U8* buffer, S32 offset, S32 numbytes,
-				  Responder* responder, U32 pri=0);
-	handle_t write(const std::string& filename,
-				   U8* buffer, S32 offset, S32 numbytes,
-				   Responder* responder, U32 pri=0);
-	
-	// Misc
-	U32 priorityCounter() { return mPriorityCounter-- & PRIORITY_LOWBITS; } // Use to order IO operations
-	
-	// static initializers
-	static void initClass(bool local_is_threaded = TRUE); // Setup sLocal
-	static S32 updateClass(U32 ms_elapsed);
-	static void cleanupClass();		// Delete sLocal
-
-	
-private:
-	U32 mPriorityCounter;
-	
-public:
-	static LLLFSThread* sLocal;		// Default local file thread
-};
-
-//============================================================================
-
-
-#endif // LL_LLLFSTHREAD_H
diff --git a/indra/llvfs/llpidlock.cpp b/indra/llvfs/llpidlock.cpp
deleted file mode 100644
index f770e93d45..0000000000
--- a/indra/llvfs/llpidlock.cpp
+++ /dev/null
@@ -1,276 +0,0 @@
-/** 
- * @file llformat.cpp
- * @date   January 2007
- * @brief string formatting utility
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llapr.h" // thread-related functions
-#include "llpidlock.h"
-#include "lldir.h"
-#include "llsd.h"
-#include "llsdserialize.h"
-#include "llnametable.h"
-#include "llframetimer.h"
-
-#if LL_WINDOWS   //For windows platform.
-
-#include <windows.h>
-
-bool isProcessAlive(U32 pid)
-{
-	return (bool) GetProcessVersion((DWORD)pid);
-}
-
-#else   //Everyone Else
-bool isProcessAlive(U32 pid)
-{   
-	return (bool) kill( (pid_t)pid, 0);
-}
-#endif //Everyone else.
-
-
-	
-class LLPidLockFile
-{
-	public:
-		LLPidLockFile( ) :
-			mAutosave(false),
-			mSaving(false),
-			mWaiting(false),
-			mPID(getpid()),
-			mNameTable(NULL),
-			mClean(true)
-		{
-			mLockName = gDirUtilp->getTempDir() + gDirUtilp->getDirDelimiter() + "savelock";
-		}
-		bool requestLock(LLNameTable<void *> *name_table, bool autosave,
-						bool force_immediate=FALSE, F32 timeout=300.0);
-		bool checkLock();
-		void releaseLock();
-
-	private:
-		void writeLockFile(LLSD pids);
-	public:
-		static LLPidLockFile& instance(); // return the singleton black list file
-			 
-		bool mAutosave;
-		bool mSaving;
-		bool mWaiting;
-		LLFrameTimer mTimer;
-		U32  mPID;
-		std::string mLockName;
-		std::string mSaveName;
-		LLSD mPIDS_sd;
-		LLNameTable<void*> *mNameTable;
-		bool mClean;
-};
-
-LLPidLockFile& LLPidLockFile::instance()
-{   
-	static LLPidLockFile the_file;
-	return the_file;
-}
-
-void LLPidLockFile::writeLockFile(LLSD pids)
-{
-	llofstream ofile(mLockName.c_str());
-
-	if (!LLSDSerialize::toXML(pids,ofile))
-	{
-		LL_WARNS() << "Unable to write concurrent save lock file." << LL_ENDL;
-	}
-	ofile.close();
-}
-
-bool LLPidLockFile::requestLock(LLNameTable<void *> *name_table, bool autosave,
-								bool force_immediate, F32 timeout)
-{
-	bool readyToSave = FALSE;
-
-	if (mSaving) return FALSE;	//Bail out if we're currently saving.  Will not queue another save.
-	
-	if (!mWaiting){
-		mNameTable=name_table;
-		mAutosave = autosave;
-	}
-
-	LLSD out_pids;
-	out_pids.append( (LLSD::Integer)mPID );
-
-	llifstream ifile(mLockName.c_str());
-
-	if (ifile.is_open()) 
-	{									//If file exists, we need to decide whether or not to continue.
-		if ( force_immediate
-			|| mTimer.hasExpired() )	//Only deserialize if we REALLY need to.
-		{
-
-			LLSD in_pids;
-
-			LLSDSerialize::fromXML(in_pids, ifile);	
-
-			//Clean up any dead PIDS that might be in there.
-			for (LLSD::array_iterator i=in_pids.beginArray();
-				i !=in_pids.endArray();
-				++i)
-			{
-				U32 stored_pid=(*i).asInteger();
-
-				if (isProcessAlive(stored_pid))
-				{
-					out_pids.append( (*i) );
-				}
-			}
-
-			readyToSave=TRUE;
-		}
-		ifile.close();
-	}
-	else
-	{
-		readyToSave=TRUE;
-	}
-
-	if (!mWaiting)				//Not presently waiting to save.  Queue up.
-	{
-		mTimer.resetWithExpiry(timeout);
-		mWaiting=TRUE;
-	}
-
-	if (readyToSave)
-	{	//Potential race condition won't kill us. Ignore it.
-		writeLockFile(out_pids);
-		mSaving=TRUE;
-	}
-	
-	return readyToSave;
-}
-
-bool LLPidLockFile::checkLock()
-{
-	return mWaiting;
-}
-
-void LLPidLockFile::releaseLock()
-{
-	llifstream ifile(mLockName.c_str());
-	LLSD in_pids;
-	LLSD out_pids;
-	bool write_file=FALSE;
-
-	LLSDSerialize::fromXML(in_pids, ifile);	
-
-	//Clean up this PID and any dead ones.
-	for (LLSD::array_iterator i=in_pids.beginArray();
-		i !=in_pids.endArray();
-		++i)
-	{
-		U32 stored_pid=(*i).asInteger();
-
-		if (stored_pid != mPID && isProcessAlive(stored_pid))
-		{
-			out_pids.append( (*i) );
-			write_file=TRUE;
-		}
-	}
-	ifile.close();
-
-	if (write_file)
-	{
-		writeLockFile(out_pids);
-	}
-	else
-	{
-		unlink(mLockName.c_str());
-	}
-
-	mSaving=FALSE;
-	mWaiting=FALSE;
-}
-
-//LLPidLock
-
-void LLPidLock::initClass() { 
-	(void) LLPidLockFile::instance(); 
-}
-
-bool LLPidLock::checkLock() 
-{
-	return LLPidLockFile::instance().checkLock();
-}
-
-bool LLPidLock::requestLock(LLNameTable<void *> *name_table, bool autosave,
-								bool force_immediate, F32 timeout)
-{
-	return LLPidLockFile::instance().requestLock(name_table,autosave,force_immediate,timeout);
-}
-
-void LLPidLock::releaseLock() 
-{ 
-	return LLPidLockFile::instance().releaseLock(); 
-}
-
-bool LLPidLock::isClean() 
-{ 
-	return LLPidLockFile::instance().mClean; 
-}
-
-//getters
-LLNameTable<void *> * LLPidLock::getNameTable() 
-{ 
-    return LLPidLockFile::instance().mNameTable; 
-}
-
-bool LLPidLock::getAutosave() 
-{ 
-	return LLPidLockFile::instance().mAutosave; 
-}
-
-bool LLPidLock::getClean() 
-{ 
-	return LLPidLockFile::instance().mClean; 
-}
-
-std::string LLPidLock::getSaveName() 
-{ 
-	return LLPidLockFile::instance().mSaveName; 
-}
-
-//setters
-void LLPidLock::setClean(bool clean) 
-{ 
-	LLPidLockFile::instance().mClean=clean; 
-}
-
-void LLPidLock::setSaveName(std::string savename) 
-{ 
-	LLPidLockFile::instance().mSaveName=savename; 
-}
-
-S32 LLPidLock::getPID()
-{
-    return (S32)getpid();
-}
diff --git a/indra/llvfs/llpidlock.h b/indra/llvfs/llpidlock.h
deleted file mode 100644
index 334f26bb29..0000000000
--- a/indra/llvfs/llpidlock.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/** 
- * @file llpidlock.h
- * @brief System information debugging classes.
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_PIDLOCK_H
-#define LL_PIDLOCK_H
-#include "llnametable.h"
-
-class LLSD;
-class LLFrameTimer;
-
-#if !LL_WINDOWS	//For non-windows platforms.
-#include <signal.h>
-#endif
-
-namespace LLPidLock
-{
-    void initClass(); // { (void) LLPidLockFile::instance(); }
-
-    bool requestLock( LLNameTable<void *> *name_table=NULL, bool autosave=TRUE,
-                     bool force_immediate=FALSE, F32 timeout=300.0);
-    bool checkLock();
-    void releaseLock();
-    bool isClean();
-
-    //getters
-    LLNameTable<void *> * getNameTable();
-    bool getAutosave();
-    bool getClean();
-    std::string getSaveName();
-    S32 getPID();
-
-    //setters
-    void setClean(bool clean);
-    void setSaveName(std::string savename);
-};
-
-#endif // LL_PIDLOCK_H
diff --git a/indra/llvfs/llvfile.cpp b/indra/llvfs/llvfile.cpp
deleted file mode 100644
index b8588e99f4..0000000000
--- a/indra/llvfs/llvfile.cpp
+++ /dev/null
@@ -1,437 +0,0 @@
-/** 
- * @file llvfile.cpp
- * @brief Implementation of virtual file
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llvfile.h"
-
-#include "llerror.h"
-#include "llthread.h"
-#include "lltimer.h"
-#include "llfasttimer.h"
-#include "llmemory.h"
-#include "llvfs.h"
-
-const S32 LLVFile::READ			= 0x00000001;
-const S32 LLVFile::WRITE		= 0x00000002;
-const S32 LLVFile::READ_WRITE	= 0x00000003;  // LLVFile::READ & LLVFile::WRITE
-const S32 LLVFile::APPEND		= 0x00000006;  // 0x00000004 & LLVFile::WRITE
-
-static LLTrace::BlockTimerStatHandle FTM_VFILE_WAIT("VFile Wait");
-
-//----------------------------------------------------------------------------
-LLVFSThread* LLVFile::sVFSThread = NULL;
-BOOL LLVFile::sAllocdVFSThread = FALSE;
-//----------------------------------------------------------------------------
-
-//============================================================================
-
-LLVFile::LLVFile(LLVFS *vfs, const LLUUID &file_id, const LLAssetType::EType file_type, S32 mode)
-{
-	mFileType =	file_type;
-
-	mFileID =	file_id;
-	mPosition = 0;
-	mMode =		mode;
-	mVFS =		vfs;
-
-	mBytesRead = 0;
-	mHandle = LLVFSThread::nullHandle();
-	mPriority = 128.f;
-
-	mVFS->incLock(mFileID, mFileType, VFSLOCK_OPEN);
-}
-
-LLVFile::~LLVFile()
-{
-	if (!isReadComplete())
-	{
-		if (mHandle != LLVFSThread::nullHandle())
-		{
-			if (!(mMode & LLVFile::WRITE))
-			{
-				//LL_WARNS() << "Destroying LLVFile with pending async read/write, aborting..." << LL_ENDL;
-				sVFSThread->setFlags(mHandle, LLVFSThread::FLAG_AUTO_COMPLETE | LLVFSThread::FLAG_ABORT);
-			}
-			else // WRITE
-			{
-				sVFSThread->setFlags(mHandle, LLVFSThread::FLAG_AUTO_COMPLETE);
-			}
-		}
-	}
-	mVFS->decLock(mFileID, mFileType, VFSLOCK_OPEN);
-}
-
-BOOL LLVFile::read(U8 *buffer, S32 bytes, BOOL async, F32 priority)
-{
-	if (! (mMode & READ))
-	{
-		LL_WARNS() << "Attempt to read from file " << mFileID << " opened with mode " << std::hex << mMode << std::dec << LL_ENDL;
-		return FALSE;
-	}
-
-	if (mHandle != LLVFSThread::nullHandle())
-	{
-		LL_WARNS() << "Attempt to read from vfile object " << mFileID << " with pending async operation" << LL_ENDL;
-		return FALSE;
-	}
-	mPriority = priority;
-	
-	BOOL success = TRUE;
-
-	// We can't do a read while there are pending async writes
-	waitForLock(VFSLOCK_APPEND);
-	
-	// *FIX: (?)
-	if (async)
-	{
-		mHandle = sVFSThread->read(mVFS, mFileID, mFileType, buffer, mPosition, bytes, threadPri());
-	}
-	else
-	{
-		// We can't do a read while there are pending async writes on this file
-		mBytesRead = sVFSThread->readImmediate(mVFS, mFileID, mFileType, buffer, mPosition, bytes);
-		mPosition += mBytesRead;
-		if (! mBytesRead)
-		{
-			success = FALSE;
-		}
-	}
-
-	return success;
-}
-
-//static
-U8* LLVFile::readFile(LLVFS *vfs, const LLUUID &uuid, LLAssetType::EType type, S32* bytes_read)
-{
-	U8 *data;
-	LLVFile file(vfs, uuid, type, LLVFile::READ);
-	S32 file_size = file.getSize();
-	if (file_size == 0)
-	{
-		// File is empty.
-		data = NULL;
-	}
-	else
-	{		
-		data = (U8*) ll_aligned_malloc<16>(file_size);
-		file.read(data, file_size);	/* Flawfinder: ignore */ 
-		
-		if (file.getLastBytesRead() != (S32)file_size)
-		{
-			ll_aligned_free<16>(data);
-			data = NULL;
-			file_size = 0;
-		}
-	}
-	if (bytes_read)
-	{
-		*bytes_read = file_size;
-	}
-	return data;
-}
-	
-void LLVFile::setReadPriority(const F32 priority)
-{
-	mPriority = priority;
-	if (mHandle != LLVFSThread::nullHandle())
-	{
-		sVFSThread->setPriority(mHandle, threadPri());
-	}
-}
-
-BOOL LLVFile::isReadComplete()
-{
-	BOOL res = TRUE;
-	if (mHandle != LLVFSThread::nullHandle())
-	{
-		LLVFSThread::Request* req = (LLVFSThread::Request*)sVFSThread->getRequest(mHandle);
-		LLVFSThread::status_t status = req->getStatus();
-		if (status == LLVFSThread::STATUS_COMPLETE)
-		{
-			mBytesRead = req->getBytesRead();
-			mPosition += mBytesRead;
-			sVFSThread->completeRequest(mHandle);
-			mHandle = LLVFSThread::nullHandle();
-		}
-		else
-		{
-			res = FALSE;
-		}
-	}
-	return res;
-}
-
-S32 LLVFile::getLastBytesRead()
-{
-	return mBytesRead;
-}
-
-BOOL LLVFile::eof()
-{
-	return mPosition >= getSize();
-}
-
-BOOL LLVFile::write(const U8 *buffer, S32 bytes)
-{
-	if (! (mMode & WRITE))
-	{
-		LL_WARNS() << "Attempt to write to file " << mFileID << " opened with mode " << std::hex << mMode << std::dec << LL_ENDL;
-	}
-	if (mHandle != LLVFSThread::nullHandle())
-	{
-		LL_ERRS() << "Attempt to write to vfile object " << mFileID << " with pending async operation" << LL_ENDL;
-		return FALSE;
-	}
-	BOOL success = TRUE;
-	
-	// *FIX: allow async writes? potential problem wit mPosition...
-	if (mMode == APPEND) // all appends are async (but WRITEs are not)
-	{	
-		U8* writebuf = new U8[bytes];
-		memcpy(writebuf, buffer, bytes);
-		S32 offset = -1;
-		mHandle = sVFSThread->write(mVFS, mFileID, mFileType,
-									writebuf, offset, bytes,
-									LLVFSThread::FLAG_AUTO_COMPLETE | LLVFSThread::FLAG_AUTO_DELETE);
-		mHandle = LLVFSThread::nullHandle(); // FLAG_AUTO_COMPLETE means we don't track this
-	}
-	else
-	{
-		// We can't do a write while there are pending reads or writes on this file
-		waitForLock(VFSLOCK_READ);
-		waitForLock(VFSLOCK_APPEND);
-
-		S32 pos = (mMode & APPEND) == APPEND ? -1 : mPosition;
-
-		S32 wrote = sVFSThread->writeImmediate(mVFS, mFileID, mFileType, (U8*)buffer, pos, bytes);
-
-		mPosition += wrote;
-		
-		if (wrote < bytes)
-		{	
-			LL_WARNS() << "Tried to write " << bytes << " bytes, actually wrote " << wrote << LL_ENDL;
-
-			success = FALSE;
-		}
-	}
-	return success;
-}
-
-//static
-BOOL LLVFile::writeFile(const U8 *buffer, S32 bytes, LLVFS *vfs, const LLUUID &uuid, LLAssetType::EType type)
-{
-	LLVFile file(vfs, uuid, type, LLVFile::WRITE);
-	file.setMaxSize(bytes);
-	return file.write(buffer, bytes);
-}
-
-BOOL LLVFile::seek(S32 offset, S32 origin)
-{
-	if (mMode == APPEND)
-	{
-		LL_WARNS() << "Attempt to seek on append-only file" << LL_ENDL;
-		return FALSE;
-	}
-
-	if (-1 == origin)
-	{
-		origin = mPosition;
-	}
-
-	S32 new_pos = origin + offset;
-
-	S32 size = getSize(); // Calls waitForLock(VFSLOCK_APPEND)
-
-	if (new_pos > size)
-	{
-		LL_WARNS() << "Attempt to seek past end of file" << LL_ENDL;
-
-		mPosition = size;
-		return FALSE;
-	}
-	else if (new_pos < 0)
-	{
-		LL_WARNS() << "Attempt to seek past beginning of file" << LL_ENDL;
-
-		mPosition = 0;
-		return FALSE;
-	}
-
-	mPosition = new_pos;
-	return TRUE;
-}
-
-S32 LLVFile::tell() const
-{
-	return mPosition;
-}
-
-S32 LLVFile::getSize()
-{
-	waitForLock(VFSLOCK_APPEND);
-	S32 size = mVFS->getSize(mFileID, mFileType);
-
-	return size;
-}
-
-S32 LLVFile::getMaxSize()
-{
-	S32 size = mVFS->getMaxSize(mFileID, mFileType);
-
-	return size;
-}
-
-BOOL LLVFile::setMaxSize(S32 size)
-{
-	if (! (mMode & WRITE))
-	{
-		LL_WARNS() << "Attempt to change size of file " << mFileID << " opened with mode " << std::hex << mMode << std::dec << LL_ENDL;
-
-		return FALSE;
-	}
-
-	if (!mVFS->checkAvailable(size))
-	{
-		//LL_RECORD_BLOCK_TIME(FTM_VFILE_WAIT);
-		S32 count = 0;
-		while (sVFSThread->getPending() > 1000)
-		{
-			if (count % 100 == 0)
-			{
-				LL_INFOS() << "VFS catching up... Pending: " << sVFSThread->getPending() << LL_ENDL;
-			}
-			if (sVFSThread->isPaused())
-			{
-				sVFSThread->update(0);
-			}
-			ms_sleep(10);
-		}
-	}
-	return mVFS->setMaxSize(mFileID, mFileType, size);
-}
-
-BOOL LLVFile::rename(const LLUUID &new_id, const LLAssetType::EType new_type)
-{
-	if (! (mMode & WRITE))
-	{
-		LL_WARNS() << "Attempt to rename file " << mFileID << " opened with mode " << std::hex << mMode << std::dec << LL_ENDL;
-
-		return FALSE;
-	}
-
-	if (mHandle != LLVFSThread::nullHandle())
-	{
-		LL_WARNS() << "Renaming file with pending async read" << LL_ENDL;
-	}
-
-	waitForLock(VFSLOCK_READ);
-	waitForLock(VFSLOCK_APPEND);
-
-	// we need to release / replace our own lock
-	// since the renamed file will inherit locks from the new name
-	mVFS->decLock(mFileID, mFileType, VFSLOCK_OPEN);
-	mVFS->renameFile(mFileID, mFileType, new_id, new_type);
-	mVFS->incLock(new_id, new_type, VFSLOCK_OPEN);
-	
-	mFileID = new_id;
-	mFileType = new_type;
-
-	return TRUE;
-}
-
-BOOL LLVFile::remove()
-{
-// 	LL_INFOS() << "Removing file " << mFileID << LL_ENDL;
-	
-	if (! (mMode & WRITE))
-	{
-		// Leaving paranoia warning just because this should be a very infrequent
-		// operation.
-		LL_WARNS() << "Remove file " << mFileID << " opened with mode " << std::hex << mMode << std::dec << LL_ENDL;
-	}
-
-	if (mHandle != LLVFSThread::nullHandle())
-	{
-		LL_WARNS() << "Removing file with pending async read" << LL_ENDL;
-	}
-	
-	// why not seek back to the beginning of the file too?
-	mPosition = 0;
-
-	waitForLock(VFSLOCK_READ);
-	waitForLock(VFSLOCK_APPEND);
-	mVFS->removeFile(mFileID, mFileType);
-
-	return TRUE;
-}
-
-// static
-void LLVFile::initClass(LLVFSThread* vfsthread)
-{
-	if (!vfsthread)
-	{
-		if (LLVFSThread::sLocal != NULL)
-		{
-			vfsthread = LLVFSThread::sLocal;
-		}
-		else
-		{
-			vfsthread = new LLVFSThread();
-			sAllocdVFSThread = TRUE;
-		}
-	}
-	sVFSThread = vfsthread;
-}
-
-// static
-void LLVFile::cleanupClass()
-{
-	if (sAllocdVFSThread)
-	{
-		delete sVFSThread;
-	}
-	sVFSThread = NULL;
-}
-
-bool LLVFile::isLocked(EVFSLock lock)
-{
-	return mVFS->isLocked(mFileID, mFileType, lock) ? true : false;
-}
-
-void LLVFile::waitForLock(EVFSLock lock)
-{
-	//LL_RECORD_BLOCK_TIME(FTM_VFILE_WAIT);
-	// spin until the lock clears
-	while (isLocked(lock))
-	{
-		if (sVFSThread->isPaused())
-		{
-			sVFSThread->update(0);
-		}
-		ms_sleep(1);
-	}
-}
diff --git a/indra/llvfs/llvfile.h b/indra/llvfs/llvfile.h
deleted file mode 100644
index 7e9d9f73e5..0000000000
--- a/indra/llvfs/llvfile.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/** 
- * @file llvfile.h
- * @brief Definition of virtual file
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLVFILE_H
-#define LL_LLVFILE_H
-
-#include "lluuid.h"
-#include "llassettype.h"
-#include "llvfs.h"
-#include "llvfsthread.h"
-
-class LLVFile
-{
-public:
-	LLVFile(LLVFS *vfs, const LLUUID &file_id, const LLAssetType::EType file_type, S32 mode = LLVFile::READ);
-	~LLVFile();
-
-	BOOL read(U8 *buffer, S32 bytes, BOOL async = FALSE, F32 priority = 128.f);	/* Flawfinder: ignore */ 
-	static U8* readFile(LLVFS *vfs, const LLUUID &uuid, LLAssetType::EType type, S32* bytes_read = 0);
-	void setReadPriority(const F32 priority);
-	BOOL isReadComplete();
-	S32  getLastBytesRead();
-	BOOL eof();
-
-	BOOL write(const U8 *buffer, S32 bytes);
-	static BOOL writeFile(const U8 *buffer, S32 bytes, LLVFS *vfs, const LLUUID &uuid, LLAssetType::EType type);
-	BOOL seek(S32 offset, S32 origin = -1);
-	S32  tell() const;
-
-	S32 getSize();
-	S32 getMaxSize();
-	BOOL setMaxSize(S32 size);
-	BOOL rename(const LLUUID &new_id, const LLAssetType::EType new_type);
-	BOOL remove();
-
-	bool isLocked(EVFSLock lock);
-	void waitForLock(EVFSLock lock);
-	
-	static void initClass(LLVFSThread* vfsthread = NULL);
-	static void cleanupClass();
-	static LLVFSThread* getVFSThread() { return sVFSThread; }
-
-protected:
-	static LLVFSThread* sVFSThread;
-	static BOOL sAllocdVFSThread;
-	U32 threadPri() { return LLVFSThread::PRIORITY_NORMAL + llmin((U32)mPriority,(U32)0xfff); }
-	
-public:
-	static const S32 READ;
-	static const S32 WRITE;
-	static const S32 READ_WRITE;
-	static const S32 APPEND;
-	
-protected:
-	LLAssetType::EType mFileType;
-
-	LLUUID	mFileID;
-	S32		mPosition;
-	S32		mMode;
-	LLVFS	*mVFS;
-	F32		mPriority;
-
-	S32		mBytesRead;
-	LLVFSThread::handle_t mHandle;
-};
-
-#endif
diff --git a/indra/llvfs/llvfs.cpp b/indra/llvfs/llvfs.cpp
deleted file mode 100644
index 2c64bf563e..0000000000
--- a/indra/llvfs/llvfs.cpp
+++ /dev/null
@@ -1,2196 +0,0 @@
-/** 
- * @file llvfs.cpp
- * @brief Implementation of virtual file system
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llvfs.h"
-
-#include <sys/stat.h>
-#include <set>
-#include <map>
-#if LL_WINDOWS
-#include <share.h>
-#else
-#include <sys/file.h>
-#endif
-    
-#include "llstl.h"
-#include "lltimer.h"
-    
-const S32 FILE_BLOCK_MASK = 0x000003FF;	 // 1024-byte blocks
-const S32 VFS_CLEANUP_SIZE = 5242880;  // how much space we free up in a single stroke
-const S32 BLOCK_LENGTH_INVALID = -1;	// mLength for invalid LLVFSFileBlocks
-
-LLVFS *gVFS = NULL;
-
-// internal class definitions
-class LLVFSBlock
-{
-public:
-	LLVFSBlock() 
-	{
-		mLocation = 0;
-		mLength = 0;
-	}
-    
-	LLVFSBlock(U32 loc, S32 size)
-	{
-		mLocation = loc;
-		mLength = size;
-	}
-    
-	static bool locationSortPredicate(
-		const LLVFSBlock* lhs,
-		const LLVFSBlock* rhs)
-	{
-		return lhs->mLocation < rhs->mLocation;
-	}
-
-public:
-	U32 mLocation;
-	S32	mLength;		// allocated block size
-};
-    
-LLVFSFileSpecifier::LLVFSFileSpecifier()
-:	mFileID(),
-	mFileType( LLAssetType::AT_NONE )
-{
-}
-    
-LLVFSFileSpecifier::LLVFSFileSpecifier(const LLUUID &file_id, const LLAssetType::EType file_type)
-{
-	mFileID = file_id;
-	mFileType = file_type;
-}
-    
-bool LLVFSFileSpecifier::operator<(const LLVFSFileSpecifier &rhs) const
-{
-	return (mFileID == rhs.mFileID)
-		? mFileType < rhs.mFileType
-		: mFileID < rhs.mFileID;
-}
-    
-bool LLVFSFileSpecifier::operator==(const LLVFSFileSpecifier &rhs) const
-{
-	return (mFileID == rhs.mFileID && 
-			mFileType == rhs.mFileType);
-}
-    
-    
-class LLVFSFileBlock : public LLVFSBlock, public LLVFSFileSpecifier
-{
-public:
-	LLVFSFileBlock() : LLVFSBlock(), LLVFSFileSpecifier()
-	{
-		init();
-	}
-    
-	LLVFSFileBlock(const LLUUID &file_id, LLAssetType::EType file_type, U32 loc = 0, S32 size = 0)
-		: LLVFSBlock(loc, size), LLVFSFileSpecifier( file_id, file_type )
-	{
-		init();
-	}
-
-	void init()
-	{
-		mSize = 0;
-		mIndexLocation = -1;
-		mAccessTime = (U32)time(NULL);
-
-		for (S32 i = 0; i < (S32)VFSLOCK_COUNT; i++)
-		{
-			mLocks[(EVFSLock)i] = 0;
-		}
-	}
-
-	#ifdef LL_LITTLE_ENDIAN
-	inline void swizzleCopy(void *dst, void *src, int size) { memcpy(dst, src, size); /* Flawfinder: ignore */}
-
-	#else
-	
-	inline U32 swizzle32(U32 x)
-	{
-		return(((x >> 24) & 0x000000FF) | ((x >> 8)  & 0x0000FF00) | ((x << 8)  & 0x00FF0000) |((x << 24) & 0xFF000000));
-	}
-	
-	inline U16 swizzle16(U16 x)
-	{
-		return(	((x >> 8)  & 0x000000FF) | ((x << 8)  & 0x0000FF00) );
-	}
-	
-	inline void swizzleCopy(void *dst, void *src, int size) 
-	{
-		if(size == 4)
-		{
-			((U32*)dst)[0] = swizzle32(((U32*)src)[0]); 
-		}
-		else if(size == 2)
-		{
-			((U16*)dst)[0] = swizzle16(((U16*)src)[0]); 
-		}
-		else
-		{
-			// Perhaps this should assert...
-			memcpy(dst, src, size);	/* Flawfinder: ignore */
-		}
-	}
-	
-	#endif
-
-	void serialize(U8 *buffer)
-	{
-		swizzleCopy(buffer, &mLocation, 4);
-		buffer += 4;
-		swizzleCopy(buffer, &mLength, 4);
-		buffer +=4;
-		swizzleCopy(buffer, &mAccessTime, 4);
-		buffer +=4;
-		memcpy(buffer, &mFileID.mData, 16); /* Flawfinder: ignore */	
-		buffer += 16;
-		S16 temp_type = mFileType;
-		swizzleCopy(buffer, &temp_type, 2);
-		buffer += 2;
-		swizzleCopy(buffer, &mSize, 4);
-	}
-    
-	void deserialize(U8 *buffer, const S32 index_loc)
-	{
-		mIndexLocation = index_loc;
-    
-		swizzleCopy(&mLocation, buffer, 4);
-		buffer += 4;
-		swizzleCopy(&mLength, buffer, 4);
-		buffer += 4;
-		swizzleCopy(&mAccessTime, buffer, 4);
-		buffer += 4;
-		memcpy(&mFileID.mData, buffer, 16);
-		buffer += 16;
-		S16 temp_type;
-		swizzleCopy(&temp_type, buffer, 2);
-		mFileType = (LLAssetType::EType)temp_type;
-		buffer += 2;
-		swizzleCopy(&mSize, buffer, 4);
-	}
-    
-	static BOOL insertLRU(LLVFSFileBlock* const& first,
-						  LLVFSFileBlock* const& second)
-	{
-		return (first->mAccessTime == second->mAccessTime)
-			? *first < *second
-			: first->mAccessTime < second->mAccessTime;
-	}
-    
-public:
-	S32  mSize;
-	S32  mIndexLocation; // location of index entry
-	U32  mAccessTime;
-	BOOL mLocks[VFSLOCK_COUNT]; // number of outstanding locks of each type
-    
-	static const S32 SERIAL_SIZE;
-};
-
-// Helper structure for doing lru w/ stl... is there a simpler way?
-struct LLVFSFileBlock_less
-{
-	bool operator()(LLVFSFileBlock* const& lhs, LLVFSFileBlock* const& rhs) const
-	{
-		return (LLVFSFileBlock::insertLRU(lhs, rhs)) ? true : false;
-	}
-};
-
-
-const S32 LLVFSFileBlock::SERIAL_SIZE = 34;
-     
-
-LLVFS::LLVFS(const std::string& index_filename, const std::string& data_filename, const BOOL read_only, const U32 presize, const BOOL remove_after_crash)
-:	mRemoveAfterCrash(remove_after_crash),
-	mDataFP(NULL),
-	mIndexFP(NULL)
-{
-	mDataMutex = new LLMutex();
-
-	S32 i;
-	for (i = 0; i < VFSLOCK_COUNT; i++)
-	{
-		mLockCounts[i] = 0;
-	}
-	mValid = VFSVALID_OK;
-	mReadOnly = read_only;
-	mIndexFilename = index_filename;
-	mDataFilename = data_filename;
-    
-	const char *file_mode = mReadOnly ? "rb" : "r+b";
-    
-	LL_INFOS("VFS") << "Attempting to open VFS index file " << mIndexFilename << LL_ENDL;
-	LL_INFOS("VFS") << "Attempting to open VFS data file " << mDataFilename << LL_ENDL;
-
-	mDataFP = openAndLock(mDataFilename, file_mode, mReadOnly);
-	if (!mDataFP)
-	{
-		if (mReadOnly)
-		{
-			LL_WARNS("VFS") << "Can't find " << mDataFilename << " to open read-only VFS" << LL_ENDL;
-			mValid = VFSVALID_BAD_CANNOT_OPEN_READONLY;
-			return;
-		}
-
-		mDataFP = openAndLock(mDataFilename, "w+b", FALSE);
-		if (mDataFP)
-		{
-			// Since we're creating this data file, assume any index file is bogus
-			// remove the index, since this vfs is now blank
-			LLFile::remove(mIndexFilename);
-		}
-		else
-		{
-			LL_WARNS("VFS") << "Couldn't open vfs data file " 
-				<< mDataFilename << LL_ENDL;
-			mValid = VFSVALID_BAD_CANNOT_CREATE;
-			return;
-		}
-
-		if (presize)
-		{
-			presizeDataFile(presize);
-		}
-	}
-
-	// Did we leave this file open for writing last time?
-	// If so, close it and start over.
-	if (!mReadOnly && mRemoveAfterCrash)
-	{
-		llstat marker_info;
-		std::string marker = mDataFilename + ".open";
-		if (!LLFile::stat(marker, &marker_info))
-		{
-			// marker exists, kill the lock and the VFS files
-			unlockAndClose(mDataFP);
-			mDataFP = NULL;
-
-			LL_WARNS("VFS") << "VFS: File left open on last run, removing old VFS file " << mDataFilename << LL_ENDL;
-			LLFile::remove(mIndexFilename);
-			LLFile::remove(mDataFilename);
-			LLFile::remove(marker);
-
-			mDataFP = openAndLock(mDataFilename, "w+b", FALSE);
-			if (!mDataFP)
-			{
-				LL_WARNS("VFS") << "Can't open VFS data file in crash recovery" << LL_ENDL;
-				mValid = VFSVALID_BAD_CANNOT_CREATE;
-				return;
-			}
-
-			if (presize)
-			{
-				presizeDataFile(presize);
-			}
-		}
-	}
-
-	// determine the real file size
-	fseek(mDataFP, 0, SEEK_END);
-	U32 data_size = ftell(mDataFP);
-
-	// read the index file
-	// make sure there's at least one file in it too
-	// if not, we'll treat this as a new vfs
-	llstat fbuf;
-	if (! LLFile::stat(mIndexFilename, &fbuf) &&
-		fbuf.st_size >= LLVFSFileBlock::SERIAL_SIZE &&
-		(mIndexFP = openAndLock(mIndexFilename, file_mode, mReadOnly))	// Yes, this is an assignment and not '=='
-		)
-	{	
-		std::vector<U8> buffer(fbuf.st_size);
-    		size_t buf_offset = 0;
-		size_t nread = fread(&buffer[0], 1, fbuf.st_size, mIndexFP);
- 
-		std::vector<LLVFSFileBlock*> files_by_loc;
-		
-		while (buf_offset < nread)
-		{
-			LLVFSFileBlock *block = new LLVFSFileBlock();
-    
-			block->deserialize(&buffer[buf_offset], (S32)buf_offset);
-    
-			// Do sanity check on this block.
-			// Note that this skips zero size blocks, which helps VFS
-			// to heal after some errors. JC
-			if (block->mLength > 0 &&
-				(U32)block->mLength <= data_size &&
-				block->mLocation < data_size &&
-				block->mSize > 0 &&
-				block->mSize <= block->mLength &&
-				block->mFileType >= LLAssetType::AT_NONE &&
-				block->mFileType < LLAssetType::AT_COUNT)
-			{
-				mFileBlocks.insert(fileblock_map::value_type(*block, block));
-				files_by_loc.push_back(block);
-			}
-			else
-			if (block->mLength && block->mSize > 0)
-			{
-				// this is corrupt, not empty
-				LL_WARNS("VFS") << "VFS corruption: " << block->mFileID << " (" << block->mFileType << ") at index " << block->mIndexLocation << " DS: " << data_size << LL_ENDL;
-				LL_WARNS("VFS") << "Length: " << block->mLength << "\tLocation: " << block->mLocation << "\tSize: " << block->mSize << LL_ENDL;
-				LL_WARNS("VFS") << "File has bad data - VFS removed" << LL_ENDL;
-
-				delete block;
-
-				unlockAndClose( mIndexFP );
-				mIndexFP = NULL;
-				LLFile::remove( mIndexFilename );
-
-				unlockAndClose( mDataFP );
-				mDataFP = NULL;
-				LLFile::remove( mDataFilename );
-
-				LL_WARNS("VFS") << "Deleted corrupt VFS files " 
-					<< mDataFilename 
-					<< " and "
-					<< mIndexFilename
-					<< LL_ENDL;
-
-				mValid = VFSVALID_BAD_CORRUPT;
-				return;
-			}
-			else
-			{
-				// this is a null or bad entry, skip it
-				mIndexHoles.push_back(buf_offset);
-    
-				delete block;
-			}
-    
-			buf_offset += LLVFSFileBlock::SERIAL_SIZE;
-		}
-
-		std::sort(
-			files_by_loc.begin(),
-			files_by_loc.end(),
-			LLVFSFileBlock::locationSortPredicate);
-
-		// There are 3 cases that have to be considered.
-		// 1. No blocks
-		// 2. One block.
-		// 3. Two or more blocks.
-		if (!files_by_loc.empty())
-		{
-			// cur walks through the list.
-			std::vector<LLVFSFileBlock*>::iterator cur = files_by_loc.begin();
-			std::vector<LLVFSFileBlock*>::iterator end = files_by_loc.end();
-			LLVFSFileBlock* last_file_block = *cur;
-			
-			// Check to see if there is an empty space before the first file.
-			if (last_file_block->mLocation > 0)
-			{
-				// If so, create a free block.
-				addFreeBlock(new LLVFSBlock(0, last_file_block->mLocation));
-			}
-
-			// Walk through the 2nd+ block.  If there is a free space
-			// between cur_file_block and last_file_block, add it to
-			// the free space collection.  This block will not need to
-			// run in the case there is only one entry in the VFS.
-			++cur;
-			while( cur != end )
-			{
-				LLVFSFileBlock* cur_file_block = *cur;
-
-				// Dupe check on the block
-				if (cur_file_block->mLocation == last_file_block->mLocation
-					&& cur_file_block->mLength == last_file_block->mLength)
-				{
-					LL_WARNS("VFS") << "VFS: removing duplicate entry"
-						<< " at " << cur_file_block->mLocation 
-						<< " length " << cur_file_block->mLength 
-						<< " size " << cur_file_block->mSize
-						<< " ID " << cur_file_block->mFileID 
-						<< " type " << cur_file_block->mFileType 
-						<< LL_ENDL;
-
-					// Duplicate entries.  Nuke them both for safety.
-					mFileBlocks.erase(*cur_file_block);	// remove ID/type entry
-					if (cur_file_block->mLength > 0)
-					{
-						// convert to hole
-						addFreeBlock(
-							new LLVFSBlock(
-								cur_file_block->mLocation,
-								cur_file_block->mLength));
-					}
-					lockData();						// needed for sync()
-					sync(cur_file_block, TRUE);		// remove first on disk
-					sync(last_file_block, TRUE);	// remove last on disk
-					unlockData();					// needed for sync()
-					last_file_block = cur_file_block;
-					++cur;
-					continue;
-				}
-
-				// Figure out where the last block ended.
-				S32 loc = last_file_block->mLocation+last_file_block->mLength;
-
-				// Figure out how much space there is between where
-				// the last block ended and this block begins.
-				S32 length = cur_file_block->mLocation - loc;
-    
-				// Check for more errors...  Seeing if the current
-				// entry and the last entry make sense together.
-				if (length < 0 || loc < 0 || (U32)loc > data_size)
-				{
-					// Invalid VFS
-					unlockAndClose( mIndexFP );
-					mIndexFP = NULL;
-					LLFile::remove( mIndexFilename );
-
-					unlockAndClose( mDataFP );
-					mDataFP = NULL;
-					LLFile::remove( mDataFilename );
-
-					LL_WARNS("VFS") << "VFS: overlapping entries"
-						<< " at " << cur_file_block->mLocation 
-						<< " length " << cur_file_block->mLength 
-						<< " ID " << cur_file_block->mFileID 
-						<< " type " << cur_file_block->mFileType 
-						<< LL_ENDL;
-
-					LL_WARNS("VFS") << "Deleted corrupt VFS files " 
-						<< mDataFilename 
-						<< " and "
-						<< mIndexFilename
-						<< LL_ENDL;
-
-					mValid = VFSVALID_BAD_CORRUPT;
-					return;
-				}
-
-				// we don't want to add empty blocks to the list...
-				if (length > 0)
-				{
-					addFreeBlock(new LLVFSBlock(loc, length));
-				}
-				last_file_block = cur_file_block;
-				++cur;
-			}
-    
-			// also note any empty space at the end
-			U32 loc = last_file_block->mLocation + last_file_block->mLength;
-			if (loc < data_size)
-			{
-				addFreeBlock(new LLVFSBlock(loc, data_size - loc));
-			}
-		}
-		else // There where no blocks in the file.
-		{
-			addFreeBlock(new LLVFSBlock(0, data_size));
-		}
-	}
-	else	// Pre-existing index file wasn't opened
-	{
-		if (mReadOnly)
-		{
-			LL_WARNS("VFS") << "Can't find " << mIndexFilename << " to open read-only VFS" << LL_ENDL;
-			mValid = VFSVALID_BAD_CANNOT_OPEN_READONLY;
-			return;
-		}
-    
-	
-		mIndexFP = openAndLock(mIndexFilename, "w+b", FALSE);
-		if (!mIndexFP)
-		{
-			LL_WARNS("VFS") << "Couldn't open an index file for the VFS, probably a sharing violation!" << LL_ENDL;
-
-			unlockAndClose( mDataFP );
-			mDataFP = NULL;
-			LLFile::remove( mDataFilename );
-			
-			mValid = VFSVALID_BAD_CANNOT_CREATE;
-			return;
-		}
-	
-		// no index file, start from scratch w/ 1GB allocation
-		LLVFSBlock *first_block = new LLVFSBlock(0, data_size ? data_size : 0x40000000);
-		addFreeBlock(first_block);
-	}
-
-	// Open marker file to look for bad shutdowns
-	if (!mReadOnly && mRemoveAfterCrash)
-	{
-		std::string marker = mDataFilename + ".open";
-		LLFILE* marker_fp = LLFile::fopen(marker, "w");	/* Flawfinder: ignore */
-		if (marker_fp)
-		{
-			fclose(marker_fp);
-			marker_fp = NULL;
-		}
-	}
-
-	LL_INFOS("VFS") << "Using VFS index file " << mIndexFilename << LL_ENDL;
-	LL_INFOS("VFS") << "Using VFS data file " << mDataFilename << LL_ENDL;
-
-	mValid = VFSVALID_OK;
-}
-    
-LLVFS::~LLVFS()
-{
-	if (mDataMutex->isLocked())
-	{
-		LL_ERRS("VFS") << "LLVFS destroyed with mutex locked" << LL_ENDL;
-	}
-	
-	unlockAndClose(mIndexFP);
-	mIndexFP = NULL;
-
-	fileblock_map::const_iterator it;
-	for (it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-	{
-		delete (*it).second;
-	}
-	mFileBlocks.clear();
-	
-	mFreeBlocksByLength.clear();
-
-	for_each(mFreeBlocksByLocation.begin(), mFreeBlocksByLocation.end(), DeletePairedPointer());
-	mFreeBlocksByLocation.clear();
-    
-	unlockAndClose(mDataFP);
-	mDataFP = NULL;
-    
-	// Remove marker file
-	if (!mReadOnly && mRemoveAfterCrash)
-	{
-		std::string marker = mDataFilename + ".open";
-		LLFile::remove(marker);
-	}
-
-	delete mDataMutex;
-}
-
-
-// Use this function normally to create LLVFS files.  
-// Will append digits to the end of the filename with multiple re-trys
-// static 
-LLVFS * LLVFS::createLLVFS(const std::string& index_filename, 
-		const std::string& data_filename, 
-		const BOOL read_only, 
-		const U32 presize, 
-		const BOOL remove_after_crash)
-{
-	LLVFS * new_vfs = new LLVFS(index_filename, data_filename, read_only, presize, remove_after_crash);
-
-	if( !new_vfs->isValid() )
-	{	// First name failed, retry with new names
-		std::string retry_vfs_index_name;
-		std::string retry_vfs_data_name;
-		S32 count = 0;
-		while (!new_vfs->isValid() &&
-				count < 256)
-		{	// Append '.<number>' to end of filenames
-			retry_vfs_index_name = index_filename + llformat(".%u",count);
-			retry_vfs_data_name = data_filename + llformat(".%u", count);
-
-			delete new_vfs;	// Delete bad VFS and try again
-			new_vfs = new LLVFS(retry_vfs_index_name, retry_vfs_data_name, read_only, presize, remove_after_crash);
-
-			count++;
-		}
-	}
-
-	if( !new_vfs->isValid() )
-	{
-		delete new_vfs;		// Delete bad VFS
-		new_vfs = NULL;		// Total failure
-	}
-
-	return new_vfs;
-}
-
-
-
-void LLVFS::presizeDataFile(const U32 size)
-{
-	if (!mDataFP)
-	{
-		LL_ERRS() << "LLVFS::presizeDataFile() with no data file open" << LL_ENDL;
-		return;
-	}
-
-	// we're creating this file for the first time, size it
-	fseek(mDataFP, size-1, SEEK_SET);
-	S32 tmp = 0;
-	tmp = (S32)fwrite(&tmp, 1, 1, mDataFP);
-	// fflush(mDataFP);
-
-	// also remove any index, since this vfs is now blank
-	LLFile::remove(mIndexFilename);
-
-	if (tmp)
-	{
-		LL_INFOS() << "Pre-sized VFS data file to " << ftell(mDataFP) << " bytes" << LL_ENDL;
-	}
-	else
-	{
-		LL_WARNS() << "Failed to pre-size VFS data file" << LL_ENDL;
-	}
-}
-
-BOOL LLVFS::getExists(const LLUUID &file_id, const LLAssetType::EType file_type)
-{
-	LLVFSFileBlock *block = NULL;
-		
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-
-	lockData();
-	
-	LLVFSFileSpecifier spec(file_id, file_type);
-	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		block = (*it).second;
-		block->mAccessTime = (U32)time(NULL);
-	}
-
-	BOOL res = (block && block->mLength > 0) ? TRUE : FALSE;
-	
-	unlockData();
-	
-	return res;
-}
-    
-S32	 LLVFS::getSize(const LLUUID &file_id, const LLAssetType::EType file_type)
-{
-	S32 size = 0;
-	
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-
-	}
-
-	lockData();
-	
-	LLVFSFileSpecifier spec(file_id, file_type);
-	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *block = (*it).second;
-
-		block->mAccessTime = (U32)time(NULL);
-		size = block->mSize;
-	}
-
-	unlockData();
-	
-	return size;
-}
-    
-S32  LLVFS::getMaxSize(const LLUUID &file_id, const LLAssetType::EType file_type)
-{
-	S32 size = 0;
-	
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-
-	lockData();
-	
-	LLVFSFileSpecifier spec(file_id, file_type);
-	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *block = (*it).second;
-
-		block->mAccessTime = (U32)time(NULL);
-		size = block->mLength;
-	}
-
-	unlockData();
-
-	return size;
-}
-
-BOOL LLVFS::checkAvailable(S32 max_size)
-{
-	lockData();
-	
-	blocks_length_map_t::iterator iter = mFreeBlocksByLength.lower_bound(max_size); // first entry >= size
-	const BOOL res(iter == mFreeBlocksByLength.end() ? FALSE : TRUE);
-
-	unlockData();
-	
-	return res;
-}
-
-BOOL LLVFS::setMaxSize(const LLUUID &file_id, const LLAssetType::EType file_type, S32 max_size)
-{
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-	if (mReadOnly)
-	{
-		LL_ERRS() << "Attempt to write to read-only VFS" << LL_ENDL;
-	}
-	if (max_size <= 0)
-	{
-		LL_WARNS() << "VFS: Attempt to assign size " << max_size << " to vfile " << file_id << LL_ENDL;
-		return FALSE;
-	}
-
-	lockData();
-	
-	LLVFSFileSpecifier spec(file_id, file_type);
-	LLVFSFileBlock *block = NULL;
-	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		block = (*it).second;
-	}
-    
-	// round all sizes upward to KB increments
-	// SJB: Need to not round for the new texture-pipeline code so we know the correct
-	//      max file size. Need to investigate the potential problems with this...
-	if (file_type != LLAssetType::AT_TEXTURE)
-	{
-		if (max_size & FILE_BLOCK_MASK)
-		{
-			max_size += FILE_BLOCK_MASK;
-			max_size &= ~FILE_BLOCK_MASK;
-		}
-    }
-	
-	if (block && block->mLength > 0)
-	{    
-		block->mAccessTime = (U32)time(NULL);
-    
-		if (max_size == block->mLength)
-		{
-			unlockData();
-			return TRUE;
-		}
-		else if (max_size < block->mLength)
-		{
-			// this file is shrinking
-			LLVFSBlock *free_block = new LLVFSBlock(block->mLocation + max_size, block->mLength - max_size);
-
-			addFreeBlock(free_block);
-    
-			block->mLength = max_size;
-    
-			if (block->mLength < block->mSize)
-			{
-				// JC: Was a warning, but Ian says it's bad.
-				LL_ERRS() << "Truncating virtual file " << file_id << " to " << block->mLength << " bytes" << LL_ENDL;
-				block->mSize = block->mLength;
-			}
-    
-			sync(block);
-			//mergeFreeBlocks();
-
-			unlockData();
-			return TRUE;
-		}
-		else if (max_size > block->mLength)
-		{
-			// this file is growing
-			// first check for an adjacent free block to grow into
-			S32 size_increase = max_size - block->mLength;
-
-			// Find the first free block with and addres > block->mLocation
-			LLVFSBlock *free_block;
-			blocks_location_map_t::iterator iter = mFreeBlocksByLocation.upper_bound(block->mLocation);
-			if (iter != mFreeBlocksByLocation.end())
-			{
-				free_block = iter->second;
-			
-				if (free_block->mLocation == block->mLocation + block->mLength &&
-					free_block->mLength >= size_increase)
-				{
-					// this free block is at the end of the file and is large enough
-
-					// Must call useFreeSpace before sync(), as sync()
-					// unlocks data structures.
-					useFreeSpace(free_block, size_increase);
-					block->mLength += size_increase;
-					sync(block);
-
-					unlockData();
-					return TRUE;
-				}
-			}
-			
-			// no adjecent free block, find one in the list
-			free_block = findFreeBlock(max_size, block);
-    
-			if (free_block)
-			{
-				// Save location where data is going, useFreeSpace will move free_block->mLocation;
-				U32 new_data_location = free_block->mLocation;
-
-				//mark the free block as used so it does not
-				//interfere with other operations such as addFreeBlock
-				useFreeSpace(free_block, max_size);		// useFreeSpace takes ownership (and may delete) free_block
-
-				if (block->mLength > 0)
-				{
-					// create a new free block where this file used to be
-					LLVFSBlock *new_free_block = new LLVFSBlock(block->mLocation, block->mLength);
-
-					addFreeBlock(new_free_block);
-					
-					if (block->mSize > 0)
-					{
-						// move the file into the new block
-						std::vector<U8> buffer(block->mSize);
-						fseek(mDataFP, block->mLocation, SEEK_SET);
-						if (fread(&buffer[0], block->mSize, 1, mDataFP) == 1)
-						{
-							fseek(mDataFP, new_data_location, SEEK_SET);
-							if (fwrite(&buffer[0], block->mSize, 1, mDataFP) != 1)
-							{
-								LL_WARNS() << "Short write" << LL_ENDL;
-							}
-						} else {
-							LL_WARNS() << "Short read" << LL_ENDL;
-						}
-					}
-				}
-    
-				block->mLocation = new_data_location;
-    
-				block->mLength = max_size;
-
-
-				sync(block);
-
-				unlockData();
-				return TRUE;
-			}
-			else
-			{
-				LL_WARNS() << "VFS: No space (" << max_size << ") to resize existing vfile " << file_id << LL_ENDL;
-				//dumpMap();
-				unlockData();
-				dumpStatistics();
-				return FALSE;
-			}
-		}
-	}
-	else
-	{
-		// find a free block in the list
-		LLVFSBlock *free_block = findFreeBlock(max_size);
-    
-		if (free_block)
-		{        
-			if (block)
-			{
-				block->mLocation = free_block->mLocation;
-				block->mLength = max_size;
-			}
-			else
-			{
-				// this file doesn't exist, create it
-				block = new LLVFSFileBlock(file_id, file_type, free_block->mLocation, max_size);
-				mFileBlocks.insert(fileblock_map::value_type(spec, block));
-			}
-
-			// Must call useFreeSpace before sync(), as sync()
-			// unlocks data structures.
-			useFreeSpace(free_block, max_size);
-			block->mAccessTime = (U32)time(NULL);
-
-			sync(block);
-		}
-		else
-		{
-			LL_WARNS() << "VFS: No space (" << max_size << ") for new virtual file " << file_id << LL_ENDL;
-			//dumpMap();
-			unlockData();
-			dumpStatistics();
-			return FALSE;
-		}
-	}
-	unlockData();
-	return TRUE;
-}
-
-
-// WARNING: HERE BE DRAGONS!
-// rename is the weirdest VFS op, because the file moves but the locks don't!
-void LLVFS::renameFile(const LLUUID &file_id, const LLAssetType::EType file_type,
-					   const LLUUID &new_id, const LLAssetType::EType &new_type)
-{
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-	if (mReadOnly)
-	{
-		LL_ERRS() << "Attempt to write to read-only VFS" << LL_ENDL;
-	}
-
-	lockData();
-	
-	LLVFSFileSpecifier new_spec(new_id, new_type);
-	LLVFSFileSpecifier old_spec(file_id, file_type);
-	
-	fileblock_map::iterator it = mFileBlocks.find(old_spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *src_block = (*it).second;
-
-		// this will purge the data but leave the file block in place, w/ locks, if any
-		// WAS: removeFile(new_id, new_type); NOW uses removeFileBlock() to avoid mutex lock recursion
-		fileblock_map::iterator new_it = mFileBlocks.find(new_spec);
-		if (new_it != mFileBlocks.end())
-		{
-			LLVFSFileBlock *new_block = (*new_it).second;
-			removeFileBlock(new_block);
-		}
-		
-		// if there's something in the target location, remove it but inherit its locks
-		it = mFileBlocks.find(new_spec);
-		if (it != mFileBlocks.end())
-		{
-			LLVFSFileBlock *dest_block = (*it).second;
-
-			for (S32 i = 0; i < (S32)VFSLOCK_COUNT; i++)
-			{
-				if(dest_block->mLocks[i])
-				{
-					LL_ERRS() << "Renaming VFS block to a locked file." << LL_ENDL;
-				}
-				dest_block->mLocks[i] = src_block->mLocks[i];
-			}
-			
-			mFileBlocks.erase(new_spec);
-			delete dest_block;
-		}
-
-		src_block->mFileID = new_id;
-		src_block->mFileType = new_type;
-		src_block->mAccessTime = (U32)time(NULL);
-   
-		mFileBlocks.erase(old_spec);
-		mFileBlocks.insert(fileblock_map::value_type(new_spec, src_block));
-
-		sync(src_block);
-	}
-	else
-	{
-		LL_WARNS() << "VFS: Attempt to rename nonexistent vfile " << file_id << ":" << file_type << LL_ENDL;
-	}
-	unlockData();
-}
-
-// mDataMutex must be LOCKED before calling this
-void LLVFS::removeFileBlock(LLVFSFileBlock *fileblock)
-{
-	// convert this into an unsaved, dummy fileblock to preserve locks
-	// a more rubust solution would store the locks in a seperate data structure
-	sync(fileblock, TRUE);
-	
-	if (fileblock->mLength > 0)
-	{
-		// turn this file into an empty block
-		LLVFSBlock *free_block = new LLVFSBlock(fileblock->mLocation, fileblock->mLength);
-		
-		addFreeBlock(free_block);
-	}
-	
-	fileblock->mLocation = 0;
-	fileblock->mSize = 0;
-	fileblock->mLength = BLOCK_LENGTH_INVALID;
-	fileblock->mIndexLocation = -1;
-
-	//mergeFreeBlocks();
-}
-
-void LLVFS::removeFile(const LLUUID &file_id, const LLAssetType::EType file_type)
-{
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-	if (mReadOnly)
-	{
-		LL_ERRS() << "Attempt to write to read-only VFS" << LL_ENDL;
-	}
-
-    lockData();
-	
-	LLVFSFileSpecifier spec(file_id, file_type);
-	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *block = (*it).second;
-		removeFileBlock(block);
-	}
-	else
-	{
-		LL_WARNS() << "VFS: attempting to remove nonexistent file " << file_id << " type " << file_type << LL_ENDL;
-	}
-
-	unlockData();
-}
-    
-    
-S32 LLVFS::getData(const LLUUID &file_id, const LLAssetType::EType file_type, U8 *buffer, S32 location, S32 length)
-{
-	S32 bytesread = 0;
-	
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-	llassert(location >= 0);
-	llassert(length >= 0);
-
-	BOOL do_read = FALSE;
-	
-    lockData();
-	
-	LLVFSFileSpecifier spec(file_id, file_type);
-	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *block = (*it).second;
-
-		block->mAccessTime = (U32)time(NULL);
-    
-		if (location > block->mSize)
-		{
-			LL_WARNS() << "VFS: Attempt to read location " << location << " in file " << file_id << " of length " << block->mSize << LL_ENDL;
-		}
-		else
-		{
-			if (length > block->mSize - location)
-			{
-				length = block->mSize - location;
-			}
-			location += block->mLocation;
-			do_read = TRUE;
-		}
-	}
-
-	if (do_read)
-	{
-		fseek(mDataFP, location, SEEK_SET);
-		bytesread = (S32)fread(buffer, 1, length, mDataFP);
-	}
-	
-	unlockData();
-
-	return bytesread;
-}
-    
-S32 LLVFS::storeData(const LLUUID &file_id, const LLAssetType::EType file_type, const U8 *buffer, S32 location, S32 length)
-{
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-	if (mReadOnly)
-	{
-		LL_ERRS() << "Attempt to write to read-only VFS" << LL_ENDL;
-	}
-    
-	llassert(length > 0);
-
-    lockData();
-    
-	LLVFSFileSpecifier spec(file_id, file_type);
-	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *block = (*it).second;
-
-		S32 in_loc = location;
-		if (location == -1)
-		{
-			location = block->mSize;
-		}
-		llassert(location >= 0);
-		
-		block->mAccessTime = (U32)time(NULL);
-    
-		if (block->mLength == BLOCK_LENGTH_INVALID)
-		{
-			// Block was removed, ignore write
-			LL_WARNS() << "VFS: Attempt to write to invalid block"
-					<< " in file " << file_id 
-					<< " location: " << in_loc
-					<< " bytes: " << length
-					<< LL_ENDL;
-			unlockData();
-			return length;
-		}
-		else if (location > block->mLength)
-		{
-			LL_WARNS() << "VFS: Attempt to write to location " << location 
-					<< " in file " << file_id 
-					<< " type " << S32(file_type)
-					<< " of size " << block->mSize
-					<< " block length " << block->mLength
-					<< LL_ENDL;
-			unlockData();
-			return length;
-		}
-		else
-		{
-			if (length > block->mLength - location )
-			{
-				LL_WARNS() << "VFS: Truncating write to virtual file " << file_id << " type " << S32(file_type) << LL_ENDL;
-				length = block->mLength - location;
-			}
-			U32 file_location = location + block->mLocation;
-			
-			fseek(mDataFP, file_location, SEEK_SET);
-			S32 write_len = (S32)fwrite(buffer, 1, length, mDataFP);
-			if (write_len != length)
-			{
-				LL_WARNS() << llformat("VFS Write Error: %d != %d",write_len,length) << LL_ENDL;
-			}
-			// fflush(mDataFP);
-			
-			if (location + length > block->mSize)
-			{
-				block->mSize = location + write_len;
-				sync(block);
-			}
-			unlockData();
-			
-			return write_len;
-		}
-	}
-	else
-	{
-		unlockData();
-		return 0;
-	}
-}
- 
-void LLVFS::incLock(const LLUUID &file_id, const LLAssetType::EType file_type, EVFSLock lock)
-{
-	lockData();
-
-	LLVFSFileSpecifier spec(file_id, file_type);
-	LLVFSFileBlock *block;
-	
- 	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		block = (*it).second;
-	}
-	else
-	{
-		// Create a dummy block which isn't saved
-		block = new LLVFSFileBlock(file_id, file_type, 0, BLOCK_LENGTH_INVALID);
-    	block->mAccessTime = (U32)time(NULL);
-		mFileBlocks.insert(fileblock_map::value_type(spec, block));
-	}
-
-	block->mLocks[lock]++;
-	mLockCounts[lock]++;
-	
-	unlockData();
-}
-
-void LLVFS::decLock(const LLUUID &file_id, const LLAssetType::EType file_type, EVFSLock lock)
-{
-	lockData();
-
-	LLVFSFileSpecifier spec(file_id, file_type);
- 	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *block = (*it).second;
-
-		if (block->mLocks[lock] > 0)
-		{
-			block->mLocks[lock]--;
-		}
-		else
-		{
-			LL_WARNS() << "VFS: Decrementing zero-value lock " << lock << LL_ENDL;
-		}
-		mLockCounts[lock]--;
-	}
-
-	unlockData();
-}
-
-BOOL LLVFS::isLocked(const LLUUID &file_id, const LLAssetType::EType file_type, EVFSLock lock)
-{
-	lockData();
-	
-	BOOL res = FALSE;
-	
-	LLVFSFileSpecifier spec(file_id, file_type);
- 	fileblock_map::iterator it = mFileBlocks.find(spec);
-	if (it != mFileBlocks.end())
-	{
-		LLVFSFileBlock *block = (*it).second;
-		res = (block->mLocks[lock] > 0);
-	}
-
-	unlockData();
-
-	return res;
-}
-
-//============================================================================
-// protected
-//============================================================================
-
-void LLVFS::eraseBlockLength(LLVFSBlock *block)
-{
-	// find the corresponding map entry in the length map and erase it
-	S32 length = block->mLength;
-	blocks_length_map_t::iterator iter = mFreeBlocksByLength.lower_bound(length);
-	blocks_length_map_t::iterator end = mFreeBlocksByLength.end();
-	bool found_block = false;
-	while(iter != end)
-	{
-		LLVFSBlock *tblock = iter->second;
-		llassert(tblock->mLength == length); // there had -better- be an entry with our length!
-		if (tblock == block)
-		{
-			mFreeBlocksByLength.erase(iter);
-			found_block = true;
-			break;
-		}
-		++iter;
-	}
-	if(!found_block)
-	{
-		LL_ERRS() << "eraseBlock could not find block" << LL_ENDL;
-	}
-}
-
-
-// Remove block from both free lists (by location and by length).
-void LLVFS::eraseBlock(LLVFSBlock *block)
-{
-	eraseBlockLength(block);
-	// find the corresponding map entry in the location map and erase it	
-	U32 location = block->mLocation;
-	llverify(mFreeBlocksByLocation.erase(location) == 1); // we should only have one entry per location.
-}
-
-
-// Add the region specified by block location and length to the free lists.
-// Also incrementally defragment by merging with previous and next free blocks.
-void LLVFS::addFreeBlock(LLVFSBlock *block)
-{
-#if LL_DEBUG
-	size_t dbgcount = mFreeBlocksByLocation.count(block->mLocation);
-	if(dbgcount > 0)
-	{
-		LL_ERRS() << "addFreeBlock called with block already in list" << LL_ENDL;
-	}
-#endif
-
-	// Get a pointer to the next free block (by location).
-	blocks_location_map_t::iterator next_free_it = mFreeBlocksByLocation.lower_bound(block->mLocation);
-
-	// We can merge with previous if it ends at our requested location.
-	LLVFSBlock* prev_block = NULL;
-	bool merge_prev = false;
-	if (next_free_it != mFreeBlocksByLocation.begin())
-	{
-		blocks_location_map_t::iterator prev_free_it = next_free_it;
-		--prev_free_it;
-		prev_block = prev_free_it->second;
-		merge_prev = (prev_block->mLocation + prev_block->mLength == block->mLocation);
-	}
-
-	// We can merge with next if our block ends at the next block's location.
-	LLVFSBlock* next_block = NULL;
-	bool merge_next = false;
-	if (next_free_it != mFreeBlocksByLocation.end())
-	{
-		next_block = next_free_it->second;
-		merge_next = (block->mLocation + block->mLength == next_block->mLocation);
-	}
-
-	if (merge_prev && merge_next)
-	{
-		// LL_INFOS() << "VFS merge BOTH" << LL_ENDL;
-		// Previous block is changing length (a lot), so only need to update length map.
-		// Next block is going away completely. JC
-		eraseBlockLength(prev_block);
-		eraseBlock(next_block);
-		prev_block->mLength += block->mLength + next_block->mLength;
-		mFreeBlocksByLength.insert(blocks_length_map_t::value_type(prev_block->mLength, prev_block));
-		delete block;
-		block = NULL;
-		delete next_block;
-		next_block = NULL;
-	}
-	else if (merge_prev)
-	{
-		// LL_INFOS() << "VFS merge previous" << LL_ENDL;
-		// Previous block is maintaining location, only changing length,
-		// therefore only need to update the length map. JC
-		eraseBlockLength(prev_block);
-		prev_block->mLength += block->mLength;
-		mFreeBlocksByLength.insert(blocks_length_map_t::value_type(prev_block->mLength, prev_block)); // multimap insert
-		delete block;
-		block = NULL;
-	}
-	else if (merge_next)
-	{
-		// LL_INFOS() << "VFS merge next" << LL_ENDL;
-		// Next block is changing both location and length,
-		// so both free lists must update. JC
-		eraseBlock(next_block);
-		next_block->mLocation = block->mLocation;
-		next_block->mLength += block->mLength;
-		// Don't hint here, next_free_it iterator may be invalid.
-		mFreeBlocksByLocation.insert(blocks_location_map_t::value_type(next_block->mLocation, next_block)); // multimap insert
-		mFreeBlocksByLength.insert(blocks_length_map_t::value_type(next_block->mLength, next_block)); // multimap insert			
-		delete block;
-		block = NULL;
-	}
-	else
-	{
-		// Can't merge with other free blocks.
-		// Hint that insert should go near next_free_it.
- 		mFreeBlocksByLocation.insert(next_free_it, blocks_location_map_t::value_type(block->mLocation, block)); // multimap insert
- 		mFreeBlocksByLength.insert(blocks_length_map_t::value_type(block->mLength, block)); // multimap insert
-	}
-}
-
-// Superceeded by new addFreeBlock which does incremental free space merging.
-// Incremental is faster overall.
-//void LLVFS::mergeFreeBlocks()
-//{
-// 	if (!isValid())
-// 	{
-// 		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-// 	}
-// 	// TODO: could we optimize this with hints from the calling code?
-// 	blocks_location_map_t::iterator iter = mFreeBlocksByLocation.begin();	
-// 	blocks_location_map_t::iterator end = mFreeBlocksByLocation.end();	
-// 	LLVFSBlock *first_block = iter->second;
-// 	while(iter != end)
-// 	{
-// 		blocks_location_map_t::iterator first_iter = iter; // save for if we do a merge
-// 		if (++iter == end)
-// 			break;
-// 		LLVFSBlock *second_block = iter->second;
-// 		if (first_block->mLocation + first_block->mLength == second_block->mLocation)
-// 		{
-// 			// remove the first block from the length map
-// 			eraseBlockLength(first_block);
-// 			// merge first_block with second_block, since they're adjacent
-// 			first_block->mLength += second_block->mLength;
-// 			// add the first block to the length map (with the new size)
-// 			mFreeBlocksByLength.insert(blocks_length_map_t::value_type(first_block->mLength, first_block)); // multimap insert
-//
-// 			// erase and delete the second block
-// 			eraseBlock(second_block);
-// 			delete second_block;
-//
-// 			// reset iterator
-// 			iter = first_iter; // haven't changed first_block, so corresponding iterator is still valid
-// 			end = mFreeBlocksByLocation.end();
-// 		}
-// 		first_block = second_block;
-// 	}
-//}
-	
-// length bytes from free_block are going to be used (so they are no longer free)
-void LLVFS::useFreeSpace(LLVFSBlock *free_block, S32 length)
-{
-	if (free_block->mLength == length)
-	{
-		eraseBlock(free_block);
-		delete free_block;
-	}
-	else
-	{
-		eraseBlock(free_block);
-  		
-		free_block->mLocation += length;
-		free_block->mLength -= length;
-
-		addFreeBlock(free_block);
-	}
-}
-
-// NOTE! mDataMutex must be LOCKED before calling this
-// sync this index entry out to the index file
-// we need to do this constantly to avoid corruption on viewer crash
-void LLVFS::sync(LLVFSFileBlock *block, BOOL remove)
-{
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-	if (mReadOnly)
-	{
-		LL_WARNS() << "Attempt to sync read-only VFS" << LL_ENDL;
-		return;
-	}
-	if (block->mLength == BLOCK_LENGTH_INVALID)
-	{
-		// This is a dummy file, don't save
-		return;
-	}
-	if (block->mLength == 0)
-	{
-		LL_ERRS() << "VFS syncing zero-length block" << LL_ENDL;
-	}
-
-    BOOL set_index_to_end = FALSE;
-	long seek_pos = block->mIndexLocation;
-		
-	if (-1 == seek_pos)
-	{
-		if (!mIndexHoles.empty())
-		{
-			seek_pos = mIndexHoles.front();
-			mIndexHoles.pop_front();
-		}
-		else
-		{
-			set_index_to_end = TRUE;
-		}
-	}
-
-    if (set_index_to_end)
-	{
-		// Need fseek/ftell to update the seek_pos and hence data
-		// structures, so can't unlockData() before this.
-		fseek(mIndexFP, 0, SEEK_END);
-		seek_pos = ftell(mIndexFP);
-	}
-	    
-	block->mIndexLocation = seek_pos;
-	if (remove)
-	{
-		mIndexHoles.push_back(seek_pos);
-	}
-
-	U8 buffer[LLVFSFileBlock::SERIAL_SIZE];
-	if (remove)
-	{
-		memset(buffer, 0, LLVFSFileBlock::SERIAL_SIZE);
-	}
-	else
-	{
-		block->serialize(buffer);
-	}
-
-	// If set_index_to_end, file pointer is already at seek_pos
-	// and we don't need to do anything.  Only seek if not at end.
-	if (!set_index_to_end)
-	{
-		fseek(mIndexFP, seek_pos, SEEK_SET);
-	}
-
-	if (fwrite(buffer, LLVFSFileBlock::SERIAL_SIZE, 1, mIndexFP) != 1)
-	{
-		LL_WARNS() << "Short write" << LL_ENDL;
-	}
-
-	// *NOTE:  Why was this commented out?
-	// fflush(mIndexFP);
-	
-	return;
-}
-
-// mDataMutex must be LOCKED before calling this
-// Can initiate LRU-based file removal to make space.
-// The immune file block will not be removed.
-LLVFSBlock *LLVFS::findFreeBlock(S32 size, LLVFSFileBlock *immune)
-{
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-
-	LLVFSBlock *block = NULL;
-	BOOL have_lru_list = FALSE;
-	
-	typedef std::set<LLVFSFileBlock*, LLVFSFileBlock_less> lru_set;
-	lru_set lru_list;
-    
-	LLTimer timer;
-
-	while (! block)
-	{
-		// look for a suitable free block
-		blocks_length_map_t::iterator iter = mFreeBlocksByLength.lower_bound(size); // first entry >= size
-		if (iter != mFreeBlocksByLength.end())
-			block = iter->second;
-    	
-		// no large enough free blocks, time to clean out some junk
-		if (! block)
-		{
-			// create a list of files sorted by usage time
-			// this is far faster than sorting a linked list
-			if (! have_lru_list)
-			{
-				for (fileblock_map::iterator it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-				{
-					LLVFSFileBlock *tmp = (*it).second;
-
-					if (tmp != immune &&
-						tmp->mLength > 0 &&
-						! tmp->mLocks[VFSLOCK_READ] &&
-						! tmp->mLocks[VFSLOCK_APPEND] &&
-						! tmp->mLocks[VFSLOCK_OPEN])
-					{
-						lru_list.insert(tmp);
-					}
-				}
-				
-				have_lru_list = TRUE;
-			}
-
-			if (lru_list.size() == 0)
-			{
-				// No more files to delete, and still not enough room!
-				LL_WARNS() << "VFS: Can't make " << size << " bytes of free space in VFS, giving up" << LL_ENDL;
-				break;
-			}
-
-			// is the oldest file big enough?  (Should be about half the time)
-			lru_set::iterator it = lru_list.begin();
-			LLVFSFileBlock *file_block = *it;
-			if (file_block->mLength >= size && file_block != immune)
-			{
-				// ditch this file and look again for a free block - should find it
-				// TODO: it'll be faster just to assign the free block and break
-				LL_INFOS() << "LRU: Removing " << file_block->mFileID << ":" << file_block->mFileType << LL_ENDL;
-				lru_list.erase(it);
-				removeFileBlock(file_block);
-				file_block = NULL;
-				continue;
-			}
-
-			
-			LL_INFOS() << "VFS: LRU: Aggressive: " << (S32)lru_list.size() << " files remain" << LL_ENDL;
-			dumpLockCounts();
-			
-			// Now it's time to aggressively make more space
-			// Delete the oldest 5MB of the vfs or enough to hold the file, which ever is larger
-			// This may yield too much free space, but we'll use it up soon enough
-			U32 cleanup_target = (size > VFS_CLEANUP_SIZE) ? size : VFS_CLEANUP_SIZE;
-			U32 cleaned_up = 0;
-		   	for (it = lru_list.begin();
-				 it != lru_list.end() && cleaned_up < cleanup_target;
-				 )
-			{
-				file_block = *it;
-				
-				// TODO: it would be great to be able to batch all these sync() calls
-				// LL_INFOS() << "LRU2: Removing " << file_block->mFileID << ":" << file_block->mFileType << " last accessed" << file_block->mAccessTime << LL_ENDL;
-
-				cleaned_up += file_block->mLength;
-				lru_list.erase(it++);
-				removeFileBlock(file_block);
-				file_block = NULL;
-			}
-			//mergeFreeBlocks();
-		}
-	}
-    
-	F32 time = timer.getElapsedTimeF32();
-	if (time > 0.5f)
-	{
-		LL_WARNS() << "VFS: Spent " << time << " seconds in findFreeBlock!" << LL_ENDL;
-	}
-
-	return block;
-}
-
-//============================================================================
-// public
-//============================================================================
-
-void LLVFS::pokeFiles()
-{
-	if (!isValid())
-	{
-		LL_ERRS() << "Attempting to use invalid VFS!" << LL_ENDL;
-	}
-	U32 word;
-	
-	// only write data if we actually read 4 bytes
-	// otherwise we're writing garbage and screwing up the file
-	fseek(mDataFP, 0, SEEK_SET);
-	if (fread(&word, sizeof(word), 1, mDataFP) == 1)
-	{
-		fseek(mDataFP, 0, SEEK_SET);
-		if (fwrite(&word, sizeof(word), 1, mDataFP) != 1)
-		{
-			LL_WARNS() << "Could not write to data file" << LL_ENDL;
-		}
-		fflush(mDataFP);
-	}
-
-	fseek(mIndexFP, 0, SEEK_SET);
-	if (fread(&word, sizeof(word), 1, mIndexFP) == 1)
-	{
-		fseek(mIndexFP, 0, SEEK_SET);
-		if (fwrite(&word, sizeof(word), 1, mIndexFP) != 1)
-		{
-			LL_WARNS() << "Could not write to index file" << LL_ENDL;
-		}
-		fflush(mIndexFP);
-	}
-}
-
-    
-void LLVFS::dumpMap()
-{
-	LL_INFOS() << "Files:" << LL_ENDL;
-	for (fileblock_map::iterator it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-	{
-		LLVFSFileBlock *file_block = (*it).second;
-		LL_INFOS() << "Location: " << file_block->mLocation << "\tLength: " << file_block->mLength << "\t" << file_block->mFileID << "\t" << file_block->mFileType << LL_ENDL;
-	}
-    
-	LL_INFOS() << "Free Blocks:" << LL_ENDL;
-	for (blocks_location_map_t::iterator iter = mFreeBlocksByLocation.begin(),
-			 end = mFreeBlocksByLocation.end();
-		 iter != end; iter++)
-	{
-		LLVFSBlock *free_block = iter->second;
-		LL_INFOS() << "Location: " << free_block->mLocation << "\tLength: " << free_block->mLength << LL_ENDL;
-	}
-}
-    
-// verify that the index file contents match the in-memory file structure
-// Very slow, do not call routinely. JC
-void LLVFS::audit()
-{
-	// Lock the mutex through this whole function.
-	LLMutexLock lock_data(mDataMutex);
-	
-	fflush(mIndexFP);
-
-	fseek(mIndexFP, 0, SEEK_END);
-	size_t index_size = ftell(mIndexFP);
-	fseek(mIndexFP, 0, SEEK_SET);
-    
-	BOOL vfs_corrupt = FALSE;
-	
-	// since we take the address of element 0, we need to have at least one element.
-	std::vector<U8> buffer(llmax<size_t>(index_size,1U));
-
-	if (fread(&buffer[0], 1, index_size, mIndexFP) != index_size)
-	{
-		LL_WARNS() << "Index truncated" << LL_ENDL;
-		vfs_corrupt = TRUE;
-	}
-    
-	size_t buf_offset = 0;
-    
-	std::map<LLVFSFileSpecifier, LLVFSFileBlock*>	found_files;
-	U32 cur_time = (U32)time(NULL);
-
-	std::vector<LLVFSFileBlock*> audit_blocks;
-	while (!vfs_corrupt && buf_offset < index_size)
-	{
-		LLVFSFileBlock *block = new LLVFSFileBlock();
-		audit_blocks.push_back(block);
-		
-		block->deserialize(&buffer[buf_offset], (S32)buf_offset);
-		buf_offset += block->SERIAL_SIZE;
-    
-		// do sanity check on this block
-		if (block->mLength >= 0 &&
-			block->mSize >= 0 &&
-			block->mSize <= block->mLength &&
-			block->mFileType >= LLAssetType::AT_NONE &&
-			block->mFileType < LLAssetType::AT_COUNT &&
-			block->mAccessTime <= cur_time &&
-			block->mFileID != LLUUID::null)
-		{
-			if (mFileBlocks.find(*block) == mFileBlocks.end())
-			{
-				LL_WARNS() << "VFile " << block->mFileID << ":" << block->mFileType << " on disk, not in memory, loc " << block->mIndexLocation << LL_ENDL;
-			}
-			else if (found_files.find(*block) != found_files.end())
-			{
-				std::map<LLVFSFileSpecifier, LLVFSFileBlock*>::iterator it;
-				it = found_files.find(*block);
-				LLVFSFileBlock* dupe = it->second;
-				// try to keep data from being lost
-				unlockAndClose(mIndexFP);
-				mIndexFP = NULL;
-				unlockAndClose(mDataFP);
-				mDataFP = NULL;
-				LL_WARNS() << "VFS: Original block index " << block->mIndexLocation
-					<< " location " << block->mLocation 
-					<< " length " << block->mLength 
-					<< " size " << block->mSize 
-					<< " id " << block->mFileID
-					<< " type " << block->mFileType
-					<< LL_ENDL;
-				LL_WARNS() << "VFS: Duplicate block index " << dupe->mIndexLocation
-					<< " location " << dupe->mLocation 
-					<< " length " << dupe->mLength 
-					<< " size " << dupe->mSize 
-					<< " id " << dupe->mFileID
-					<< " type " << dupe->mFileType
-					<< LL_ENDL;
-				LL_WARNS() << "VFS: Index size " << index_size << LL_ENDL;
-				LL_WARNS() << "VFS: INDEX CORRUPT" << LL_ENDL;
-				vfs_corrupt = TRUE;
-				break;
-			}
-			else
-			{
-				found_files[*block] = block;
-			}
-		}
-		else
-		{
-			if (block->mLength)
-			{
-				LL_WARNS() << "VFile " << block->mFileID << ":" << block->mFileType << " corrupt on disk" << LL_ENDL;
-			}
-			// else this is just a hole
-		}
-	}
-    
-	if (!vfs_corrupt)
-	{
-		for (fileblock_map::iterator it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-		{
-			LLVFSFileBlock* block = (*it).second;
-
-			if (block->mSize > 0)
-			{
-				if (! found_files.count(*block))
-				{
-					LL_WARNS() << "VFile " << block->mFileID << ":" << block->mFileType << " in memory, not on disk, loc " << block->mIndexLocation<< LL_ENDL;
-					fseek(mIndexFP, block->mIndexLocation, SEEK_SET);
-					U8 buf[LLVFSFileBlock::SERIAL_SIZE];
-					if (fread(buf, LLVFSFileBlock::SERIAL_SIZE, 1, mIndexFP) != 1)
-					{
-						LL_WARNS() << "VFile " << block->mFileID
-								<< " gave short read" << LL_ENDL;
-					}
-    			
-					LLVFSFileBlock disk_block;
-					disk_block.deserialize(buf, block->mIndexLocation);
-				
-					LL_WARNS() << "Instead found " << disk_block.mFileID << ":" << block->mFileType << LL_ENDL;
-				}
-				else
-				{
-					block = found_files.find(*block)->second;
-					found_files.erase(*block);
-				}
-			}
-		}
-    
-		for (std::map<LLVFSFileSpecifier, LLVFSFileBlock*>::iterator iter = found_files.begin();
-			 iter != found_files.end(); iter++)
-		{
-			LLVFSFileBlock* block = iter->second;
-			LL_WARNS() << "VFile " << block->mFileID << ":" << block->mFileType << " szie:" << block->mSize << " leftover" << LL_ENDL;
-		}
-    
-		LL_INFOS() << "VFS: audit OK" << LL_ENDL;
-		// mutex released by LLMutexLock() destructor.
-	}
-
-	for_each(audit_blocks.begin(), audit_blocks.end(), DeletePointer());
-	audit_blocks.clear();
-}
-    
-    
-// quick check for uninitialized blocks
-// Slow, do not call in release.
-void LLVFS::checkMem()
-{
-	lockData();
-	
-	for (fileblock_map::iterator it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-	{
-		LLVFSFileBlock *block = (*it).second;
-		llassert(block->mFileType >= LLAssetType::AT_NONE &&
-				 block->mFileType < LLAssetType::AT_COUNT &&
-				 block->mFileID != LLUUID::null);
-    
-		for (std::deque<S32>::iterator iter = mIndexHoles.begin();
-			 iter != mIndexHoles.end(); ++iter)
-		{
-			S32 index_loc = *iter;
-			if (index_loc == block->mIndexLocation)
-			{
-				LL_WARNS() << "VFile block " << block->mFileID << ":" << block->mFileType << " is marked as a hole" << LL_ENDL;
-			}
-		}
-	}
-    
-	LL_INFOS() << "VFS: mem check OK" << LL_ENDL;
-
-	unlockData();
-}
-
-void LLVFS::dumpLockCounts()
-{
-	S32 i;
-	for (i = 0; i < VFSLOCK_COUNT; i++)
-	{
-		LL_INFOS() << "LockType: " << i << ": " << mLockCounts[i] << LL_ENDL;
-	}
-}
-
-void LLVFS::dumpStatistics()
-{
-	lockData();
-	
-	// Investigate file blocks.
-	std::map<S32, S32> size_counts;
-	std::map<U32, S32> location_counts;
-	std::map<LLAssetType::EType, std::pair<S32,S32> > filetype_counts;
-
-	S32 max_file_size = 0;
-	S32 total_file_size = 0;
-	S32 invalid_file_count = 0;
-	for (fileblock_map::iterator it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-	{
-		LLVFSFileBlock *file_block = (*it).second;
-		if (file_block->mLength == BLOCK_LENGTH_INVALID)
-		{
-			invalid_file_count++;
-		}
-		else if (file_block->mLength <= 0)
-		{
-			LL_INFOS() << "Bad file block at: " << file_block->mLocation << "\tLength: " << file_block->mLength << "\t" << file_block->mFileID << "\t" << file_block->mFileType << LL_ENDL;
-			size_counts[file_block->mLength]++;
-			location_counts[file_block->mLocation]++;
-		}
-		else
-		{
-			total_file_size += file_block->mLength;
-		}
-
-		if (file_block->mLength > max_file_size)
-		{
-			max_file_size = file_block->mLength;
-		}
-
-		filetype_counts[file_block->mFileType].first++;
-		filetype_counts[file_block->mFileType].second += file_block->mLength;
-	}
-    
-	for (std::map<S32,S32>::iterator it = size_counts.begin(); it != size_counts.end(); ++it)
-	{
-		S32 size = it->first;
-		S32 size_count = it->second;
-		LL_INFOS() << "Bad files size " << size << " count " << size_count << LL_ENDL;
-	}
-	for (std::map<U32,S32>::iterator it = location_counts.begin(); it != location_counts.end(); ++it)
-	{
-		U32 location = it->first;
-		S32 location_count = it->second;
-		LL_INFOS() << "Bad files location " << location << " count " << location_count << LL_ENDL;
-	}
-
-	// Investigate free list.
-	S32 max_free_size = 0;
-	S32 total_free_size = 0;
-	std::map<S32, S32> free_length_counts;
-	for (blocks_location_map_t::iterator iter = mFreeBlocksByLocation.begin(),
-			 end = mFreeBlocksByLocation.end();
-		 iter != end; iter++)
-	{
-		LLVFSBlock *free_block = iter->second;
-		if (free_block->mLength <= 0)
-		{
-			LL_INFOS() << "Bad free block at: " << free_block->mLocation << "\tLength: " << free_block->mLength << LL_ENDL;
-		}
-		else
-		{
-			LL_INFOS() << "Block: " << free_block->mLocation
-					<< "\tLength: " << free_block->mLength
-					<< "\tEnd: " << free_block->mLocation + free_block->mLength
-					<< LL_ENDL;
-			total_free_size += free_block->mLength;
-		}
-
-		if (free_block->mLength > max_free_size)
-		{
-			max_free_size = free_block->mLength;
-		}
-
-		free_length_counts[free_block->mLength]++;
-	}
-
-	// Dump histogram of free block sizes
-	for (std::map<S32,S32>::iterator it = free_length_counts.begin(); it != free_length_counts.end(); ++it)
-	{
-		LL_INFOS() << "Free length " << it->first << " count " << it->second << LL_ENDL;
-	}
-
-	LL_INFOS() << "Invalid blocks: " << invalid_file_count << LL_ENDL;
-	LL_INFOS() << "File blocks:    " << mFileBlocks.size() << LL_ENDL;
-
-	S32 length_list_count = (S32)mFreeBlocksByLength.size();
-	S32 location_list_count = (S32)mFreeBlocksByLocation.size();
-	if (length_list_count == location_list_count)
-	{
-		LL_INFOS() << "Free list lengths match, free blocks: " << location_list_count << LL_ENDL;
-	}
-	else
-	{
-		LL_WARNS() << "Free list lengths do not match!" << LL_ENDL;
-		LL_WARNS() << "By length: " << length_list_count << LL_ENDL;
-		LL_WARNS() << "By location: " << location_list_count << LL_ENDL;
-	}
-	LL_INFOS() << "Max file: " << max_file_size/1024 << "K" << LL_ENDL;
-	LL_INFOS() << "Max free: " << max_free_size/1024 << "K" << LL_ENDL;
-	LL_INFOS() << "Total file size: " << total_file_size/1024 << "K" << LL_ENDL;
-	LL_INFOS() << "Total free size: " << total_free_size/1024 << "K" << LL_ENDL;
-	LL_INFOS() << "Sum: " << (total_file_size + total_free_size) << " bytes" << LL_ENDL;
-	LL_INFOS() << llformat("%.0f%% full",((F32)(total_file_size)/(F32)(total_file_size+total_free_size))*100.f) << LL_ENDL;
-
-	LL_INFOS() << " " << LL_ENDL;
-	for (std::map<LLAssetType::EType, std::pair<S32,S32> >::iterator iter = filetype_counts.begin();
-		 iter != filetype_counts.end(); ++iter)
-	{
-		LL_INFOS() << "Type: " << LLAssetType::getDesc(iter->first)
-				<< " Count: " << iter->second.first
-				<< " Bytes: " << (iter->second.second>>20) << " MB" << LL_ENDL;
-	}
-	
-	// Look for potential merges 
-	{
- 		blocks_location_map_t::iterator iter = mFreeBlocksByLocation.begin();	
- 		blocks_location_map_t::iterator end = mFreeBlocksByLocation.end();	
- 		LLVFSBlock *first_block = iter->second;
- 		while(iter != end)
- 		{
- 			if (++iter == end)
- 				break;
- 			LLVFSBlock *second_block = iter->second;
- 			if (first_block->mLocation + first_block->mLength == second_block->mLocation)
- 			{
-				LL_INFOS() << "Potential merge at " << first_block->mLocation << LL_ENDL;
- 			}
- 			first_block = second_block;
- 		}
-	}
-	unlockData();
-}
-
-// Debug Only!
-std::string get_extension(LLAssetType::EType type)
-{
-	std::string extension;
-	switch(type)
-	{
-	case LLAssetType::AT_TEXTURE:
-		extension = ".jp2";	// formerly ".j2c"
-		break;
-	case LLAssetType::AT_SOUND:
-		extension = ".ogg";
-		break;
-	case LLAssetType::AT_SOUND_WAV:
-		extension = ".wav";
-		break;
-	case LLAssetType::AT_TEXTURE_TGA:
-		extension = ".tga";
-		break;
-	case LLAssetType::AT_ANIMATION:
-		extension = ".lla";
-		break;
-	case LLAssetType::AT_MESH:
-		extension = ".slm";
-		break;
-	default:
-		// Just use the asset server filename extension in most cases
-		extension += ".";
-		extension += LLAssetType::lookup(type);
-		break;
-	}
-	return extension;
-}
-
-void LLVFS::listFiles()
-{
-	lockData();
-	
-	for (fileblock_map::iterator it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-	{
-		LLVFSFileSpecifier file_spec = it->first;
-		LLVFSFileBlock *file_block = it->second;
-		S32 length = file_block->mLength;
-		S32 size = file_block->mSize;
-		if (length != BLOCK_LENGTH_INVALID && size > 0)
-		{
-			LLUUID id = file_spec.mFileID;
-			std::string extension = get_extension(file_spec.mFileType);
-			LL_INFOS() << " File: " << id
-					<< " Type: " << LLAssetType::getDesc(file_spec.mFileType)
-					<< " Size: " << size
-					<< LL_ENDL;
-		}
-	}
-	
-	unlockData();
-}
-
-#include "llapr.h"
-void LLVFS::dumpFiles()
-{
-	lockData();
-	
-	S32 files_extracted = 0;
-	for (fileblock_map::iterator it = mFileBlocks.begin(); it != mFileBlocks.end(); ++it)
-	{
-		LLVFSFileSpecifier file_spec = it->first;
-		LLVFSFileBlock *file_block = it->second;
-		S32 length = file_block->mLength;
-		S32 size = file_block->mSize;
-		if (length != BLOCK_LENGTH_INVALID && size > 0)
-		{
-			LLUUID id = file_spec.mFileID;
-			LLAssetType::EType type = file_spec.mFileType;
-			std::vector<U8> buffer(size);
-
-			unlockData();
-			getData(id, type, &buffer[0], 0, size);
-			lockData();
-			
-			std::string extension = get_extension(type);
-			std::string filename = id.asString() + extension;
-			LL_INFOS() << " Writing " << filename << LL_ENDL;
-			
-			LLAPRFile outfile;
-			outfile.open(filename, LL_APR_WB);
-			outfile.write(&buffer[0], size);
-			outfile.close();
-
-			files_extracted++;
-		}
-	}
-	
-	unlockData();
-
-	LL_INFOS() << "Extracted " << files_extracted << " files out of " << mFileBlocks.size() << LL_ENDL;
-}
-
-time_t LLVFS::creationTime()
-{
-    llstat data_file_stat;
-    int errors = LLFile::stat(mDataFilename, &data_file_stat);
-    if (0 == errors)
-    {
-        time_t creation_time = data_file_stat.st_ctime;
-#if LL_DARWIN
-        creation_time = data_file_stat.st_birthtime;
-#endif
-        return creation_time;
-    }
-    return 0;
-}
-
-//============================================================================
-// protected
-//============================================================================
-
-// static
-LLFILE *LLVFS::openAndLock(const std::string& filename, const char* mode, BOOL read_lock)
-{
-#if LL_WINDOWS
-    	
-	return LLFile::_fsopen(filename, mode, (read_lock ? _SH_DENYWR : _SH_DENYRW));
-    	
-#else
-
-	LLFILE *fp;
-	int fd;
-	
-	// first test the lock in a non-destructive way
-	if (strchr(mode, 'w') != NULL)
-	{
-		fp = LLFile::fopen(filename, "rb");	/* Flawfinder: ignore */
-		if (fp)
-		{
-			fd = fileno(fp);
-			if (flock(fd, (read_lock ? LOCK_SH : LOCK_EX) | LOCK_NB) == -1)
-			{
-				fclose(fp);
-				return NULL;
-			}
-		  
-			fclose(fp);
-		}
-	}
-
-	// now actually open the file for use
-	fp = LLFile::fopen(filename, mode);	/* Flawfinder: ignore */
-	if (fp)
-	{
-		fd = fileno(fp);
-		if (flock(fd, (read_lock ? LOCK_SH : LOCK_EX) | LOCK_NB) == -1)
-		{
-			fclose(fp);
-			fp = NULL;
-		}
-	}
-
-	return fp;
-    	
-#endif
-}
-    
-// static
-void LLVFS::unlockAndClose(LLFILE *fp)
-{
-	if (fp)
-	{
-	// IW: we don't actually want to unlock on linux
-	// this is because a forked process can kill the parent's lock
-	// with an explicit unlock
-	// however, fclose() will implicitly remove the lock
-	// but only once both parent and child have closed the file
-    /*	
-	  #if !LL_WINDOWS
-	  int fd = fileno(fp);
-	  flock(fd, LOCK_UN);
-	  #endif
-    */
-		fclose(fp);
-	}
-}
diff --git a/indra/llvfs/llvfs.h b/indra/llvfs/llvfs.h
deleted file mode 100644
index 42feafe20b..0000000000
--- a/indra/llvfs/llvfs.h
+++ /dev/null
@@ -1,183 +0,0 @@
-/** 
- * @file llvfs.h
- * @brief Definition of virtual file system
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLVFS_H
-#define LL_LLVFS_H
-
-#include <deque>
-#include "lluuid.h"
-#include "llassettype.h"
-#include "llthread.h"
-#include "llmutex.h"
-
-enum EVFSValid 
-{
-	VFSVALID_UNKNOWN = 0, 
-	VFSVALID_OK = 1,
-	VFSVALID_BAD_CORRUPT = 2,
-	VFSVALID_BAD_CANNOT_OPEN_READONLY = 3,
-	VFSVALID_BAD_CANNOT_CREATE = 4
-};
-
-// Lock types for open vfiles, pending async reads, and pending async appends
-// (There are no async normal writes, currently)
-enum EVFSLock
-{
-	VFSLOCK_OPEN = 0,
-	VFSLOCK_READ = 1,
-	VFSLOCK_APPEND = 2,
-
-	VFSLOCK_COUNT = 3
-};
-
-// internal classes
-class LLVFSBlock;
-class LLVFSFileBlock;
-class LLVFSFileSpecifier
-{
-public:
-	LLVFSFileSpecifier();
-	LLVFSFileSpecifier(const LLUUID &file_id, const LLAssetType::EType file_type);
-	bool operator<(const LLVFSFileSpecifier &rhs) const;
-	bool operator==(const LLVFSFileSpecifier &rhs) const;
-
-public:
-	LLUUID mFileID;
-	LLAssetType::EType mFileType;
-};
-
-class LLVFS
-{
-private:
-	// Use createLLVFS() to open a VFS file
-	// Pass 0 to not presize
-	LLVFS(const std::string& index_filename, 
-			const std::string& data_filename, 
-			const BOOL read_only, 
-			const U32 presize, 
-			const BOOL remove_after_crash);
-public:
-	~LLVFS();
-
-	// Use this function normally to create LLVFS files
-	// Pass 0 to not presize
-	static LLVFS * createLLVFS(const std::string& index_filename, 
-			const std::string& data_filename, 
-			const BOOL read_only, 
-			const U32 presize, 
-			const BOOL remove_after_crash);
-
-	BOOL isValid() const			{ return (VFSVALID_OK == mValid); }
-	EVFSValid getValidState() const	{ return mValid; }
-
-	// ---------- The following fucntions lock/unlock mDataMutex ----------
-	BOOL getExists(const LLUUID &file_id, const LLAssetType::EType file_type);
-	S32	 getSize(const LLUUID &file_id, const LLAssetType::EType file_type);
-
-	BOOL checkAvailable(S32 max_size);
-	
-	S32  getMaxSize(const LLUUID &file_id, const LLAssetType::EType file_type);
-	BOOL setMaxSize(const LLUUID &file_id, const LLAssetType::EType file_type, S32 max_size);
-
-	void renameFile(const LLUUID &file_id, const LLAssetType::EType file_type,
-		const LLUUID &new_id, const LLAssetType::EType &new_type);
-	void removeFile(const LLUUID &file_id, const LLAssetType::EType file_type);
-
-	S32 getData(const LLUUID &file_id, const LLAssetType::EType file_type, U8 *buffer, S32 location, S32 length);
-	S32 storeData(const LLUUID &file_id, const LLAssetType::EType file_type, const U8 *buffer, S32 location, S32 length);
-
-	void incLock(const LLUUID &file_id, const LLAssetType::EType file_type, EVFSLock lock);
-	void decLock(const LLUUID &file_id, const LLAssetType::EType file_type, EVFSLock lock);
-	BOOL isLocked(const LLUUID &file_id, const LLAssetType::EType file_type, EVFSLock lock);
-	// ----------------------------------------------------------------
-
-	// Used to trigger evil WinXP behavior of "preloading" entire file into memory.
-	void pokeFiles();
-
-	// Verify that the index file contents match the in-memory file structure
-	// Very slow, do not call routinely. JC
-	void audit();
-	// Check for uninitialized blocks.  Slow, do not call in release. JC
-	void checkMem();
-	// for debugging, prints a map of the vfs
-	void dumpMap();
-	void dumpLockCounts();
-	void dumpStatistics();
-	void listFiles();
-	void dumpFiles();
-	time_t creationTime();
-
-protected:
-	void removeFileBlock(LLVFSFileBlock *fileblock);
-	
-	void eraseBlockLength(LLVFSBlock *block);
-	void eraseBlock(LLVFSBlock *block);
-	void addFreeBlock(LLVFSBlock *block);
-	//void mergeFreeBlocks();
-	void useFreeSpace(LLVFSBlock *free_block, S32 length);
-	void sync(LLVFSFileBlock *block, BOOL remove = FALSE);
-	void presizeDataFile(const U32 size);
-
-	static LLFILE *openAndLock(const std::string& filename, const char* mode, BOOL read_lock);
-	static void unlockAndClose(FILE *fp);
-	
-	// Can initiate LRU-based file removal to make space.
-	// The immune file block will not be removed.
-	LLVFSBlock *findFreeBlock(S32 size, LLVFSFileBlock *immune = NULL);
-
-	// lock/unlock data mutex (mDataMutex)
-	void lockData() { mDataMutex->lock(); }
-	void unlockData() { mDataMutex->unlock(); }	
-	
-protected:
-	LLMutex* mDataMutex;
-	
-	typedef std::map<LLVFSFileSpecifier, LLVFSFileBlock*> fileblock_map;
-	fileblock_map mFileBlocks;
-
-	typedef std::multimap<S32, LLVFSBlock*>	blocks_length_map_t;
-	blocks_length_map_t 	mFreeBlocksByLength;
-	typedef std::multimap<U32, LLVFSBlock*>	blocks_location_map_t;
-	blocks_location_map_t 	mFreeBlocksByLocation;
-
-	LLFILE *mDataFP;
-	LLFILE *mIndexFP;
-
-	std::deque<S32> mIndexHoles;
-
-	std::string mIndexFilename;
-	std::string mDataFilename;
-	BOOL mReadOnly;
-
-	EVFSValid mValid;
-
-	S32 mLockCounts[VFSLOCK_COUNT];
-	BOOL mRemoveAfterCrash;
-};
-
-extern LLVFS *gVFS;
-
-#endif
diff --git a/indra/llvfs/llvfs_objc.h b/indra/llvfs/llvfs_objc.h
deleted file mode 100644
index 56cdbebfc5..0000000000
--- a/indra/llvfs/llvfs_objc.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/** 
- * @file llvfs_objc.h
- * @brief Definition of directory utilities class for Mac OS X
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */ 
-
-#if !LL_DARWIN
-#error This header must not be included when compiling for any target other than Mac OS. Consider including lldir.h instead.
-#endif // !LL_DARWIN
-
-#ifndef LL_LLVFS_OBJC_H
-#define LL_LLVFS_OBJC_H
-
-#include <iostream>
-
-std::string* getSystemTempFolder();
-std::string* getSystemCacheFolder();
-std::string* getSystemApplicationSupportFolder();
-std::string* getSystemResourceFolder();
-std::string* getSystemExecutableFolder();
-
-
-#endif // LL_LLVFS_OBJC_H
diff --git a/indra/llvfs/llvfs_objc.mm b/indra/llvfs/llvfs_objc.mm
deleted file mode 100644
index 282ea41339..0000000000
--- a/indra/llvfs/llvfs_objc.mm
+++ /dev/null
@@ -1,108 +0,0 @@
-/** 
- * @file llvfs_objc.cpp
- * @brief Cocoa implementation of directory utilities for Mac OS X
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */ 
-#if LL_DARWIN
-
-//WARNING:  This file CANNOT use standard linden includes due to conflicts between definitions of BOOL
-
-#include "llvfs_objc.h"
-#import <Cocoa/Cocoa.h>
-
-std::string* getSystemTempFolder()
-{
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    NSString * tempDir = NSTemporaryDirectory();
-    if (tempDir == nil)
-        tempDir = @"/tmp";
-    std::string *result = ( new std::string([tempDir UTF8String]) );
-    [pool release];
-    
-    return result;
-}
-
-//findSystemDirectory scoped exclusively to this file. 
-std::string* findSystemDirectory(NSSearchPathDirectory searchPathDirectory,
-                                   NSSearchPathDomainMask domainMask)
-{
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    
-    std::string *result = nil;
-    NSString *path = nil;
-    
-    // Search for the path
-    NSArray* paths = NSSearchPathForDirectoriesInDomains(searchPathDirectory,
-                                                         domainMask,
-                                                         YES);
-    if ([paths count])
-    {
-        path = [paths objectAtIndex:0];
-        //HACK:  Always attempt to create directory, ignore errors.
-        NSError *error = nil;
-
-        [[NSFileManager defaultManager] createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:&error];
-
-        
-        result = new std::string([path UTF8String]);        
-    }
-    [pool release];
-    return result;
-}
-
-std::string* getSystemExecutableFolder()
-{
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    NSString *bundlePath = [[NSBundle mainBundle] executablePath];
-    std::string *result = (new std::string([bundlePath UTF8String]));  
-    [pool release];
-
-    return result;
-}
-
-std::string* getSystemResourceFolder()
-{
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    NSString *bundlePath = [[NSBundle mainBundle] resourcePath];
-    std::string *result = (new std::string([bundlePath UTF8String]));
-    [pool release];
-    
-    return result;
-}
-
-std::string* getSystemCacheFolder()
-{
-    return findSystemDirectory (NSCachesDirectory,
-                                NSUserDomainMask);
-}
-
-std::string* getSystemApplicationSupportFolder()
-{
-    return findSystemDirectory (NSApplicationSupportDirectory,
-                                NSUserDomainMask);
-    
-}
-
-#endif // LL_DARWIN
diff --git a/indra/llvfs/llvfsthread.cpp b/indra/llvfs/llvfsthread.cpp
deleted file mode 100644
index 8cd85929e2..0000000000
--- a/indra/llvfs/llvfsthread.cpp
+++ /dev/null
@@ -1,300 +0,0 @@
-/** 
- * @file llvfsthread.cpp
- * @brief LLVFSThread implementation
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-#include "llvfsthread.h"
-#include "llstl.h"
-
-//============================================================================
-
-/*static*/ std::string LLVFSThread::sDataPath = "";
-
-/*static*/ LLVFSThread* LLVFSThread::sLocal = NULL;
-
-//============================================================================
-// Run on MAIN thread
-//static
-void LLVFSThread::initClass(bool local_is_threaded)
-{
-	llassert(sLocal == NULL);
-	sLocal = new LLVFSThread(local_is_threaded);
-}
-
-//static
-S32 LLVFSThread::updateClass(U32 ms_elapsed)
-{
-	sLocal->update((F32)ms_elapsed);
-	return sLocal->getPending();
-}
-
-//static
-void LLVFSThread::cleanupClass()
-{
-	sLocal->setQuitting();
-	while (sLocal->getPending())
-	{
-		sLocal->update(0);
-	}
-	delete sLocal;
-	sLocal = 0;
-}
-
-//----------------------------------------------------------------------------
-
-LLVFSThread::LLVFSThread(bool threaded) :
-	LLQueuedThread("VFS", threaded)
-{
-}
-
-LLVFSThread::~LLVFSThread()
-{
-	// ~LLQueuedThread() will be called here
-}
-
-//----------------------------------------------------------------------------
-
-LLVFSThread::handle_t LLVFSThread::read(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-										U8* buffer, S32 offset, S32 numbytes, U32 priority, U32 flags)
-{
-	handle_t handle = generateHandle();
-
-	priority = llmax(priority, (U32)PRIORITY_LOW); // All reads are at least PRIORITY_LOW
-	Request* req = new Request(handle, priority, flags, FILE_READ, vfs, file_id, file_type,
-							   buffer, offset, numbytes);
-
-	bool res = addRequest(req);
-	if (!res)
-	{
-		LL_ERRS() << "LLVFSThread::read called after LLVFSThread::cleanupClass()" << LL_ENDL;
-		req->deleteRequest();
-		handle = nullHandle();
-	}
-
-	return handle;
-}
-
-S32 LLVFSThread::readImmediate(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-							   U8* buffer, S32 offset, S32 numbytes)
-{
-	handle_t handle = generateHandle();
-
-	Request* req = new Request(handle, PRIORITY_IMMEDIATE, 0, FILE_READ, vfs, file_id, file_type,
-							   buffer, offset, numbytes);
-	
-	S32 res = addRequest(req) ? 1 : 0;
-	if (res == 0)
-	{
-		LL_ERRS() << "LLVFSThread::read called after LLVFSThread::cleanupClass()" << LL_ENDL;
-		req->deleteRequest();
-	}
-	else
-	{
-		llverify(waitForResult(handle, false) == true);
-		res = req->getBytesRead();
-		completeRequest(handle);
-	}
-	return res;
-}
-
-LLVFSThread::handle_t LLVFSThread::write(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-										 U8* buffer, S32 offset, S32 numbytes, U32 flags)
-{
-	handle_t handle = generateHandle();
-
-	Request* req = new Request(handle, 0, flags, FILE_WRITE, vfs, file_id, file_type,
-							   buffer, offset, numbytes);
-
-	bool res = addRequest(req);
-	if (!res)
-	{
-		LL_ERRS() << "LLVFSThread::read called after LLVFSThread::cleanupClass()" << LL_ENDL;
-		req->deleteRequest();
-		handle = nullHandle();
-	}
-	
-	return handle;
-}
-
-S32 LLVFSThread::writeImmediate(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-								 U8* buffer, S32 offset, S32 numbytes)
-{
-	handle_t handle = generateHandle();
-
-	Request* req = new Request(handle, PRIORITY_IMMEDIATE, 0, FILE_WRITE, vfs, file_id, file_type,
-							   buffer, offset, numbytes);
-
-	S32 res = addRequest(req) ? 1 : 0;
-	if (res == 0)
-	{
-		LL_ERRS() << "LLVFSThread::read called after LLVFSThread::cleanupClass()" << LL_ENDL;
-		req->deleteRequest();
-	}
-	else
-	{
-		llverify(waitForResult(handle, false) == true);
-		res = req->getBytesRead();
-		completeRequest(handle);
-	}
-	return res;
-}
-
-
-// LLVFSThread::handle_t LLVFSThread::rename(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-// 										  const LLUUID &new_id, const LLAssetType::EType new_type, U32 flags)
-// {
-// 	handle_t handle = generateHandle();
-
-// 	LLUUID* new_idp = new LLUUID(new_id); // deleted with Request
-// 	// new_type is passed as "numbytes"
-// 	Request* req = new Request(handle, 0, flags, FILE_RENAME, vfs, file_id, file_type,
-// 							   (U8*)new_idp, 0, (S32)new_type);
-
-// 	bool res = addRequest(req);
-// 	if (!res)
-// 	{
-// 		LL_ERRS() << "LLVFSThread::read called after LLVFSThread::cleanupClass()" << LL_ENDL;
-// 		req->deleteRequest();
-// 		handle = nullHandle();
-// 	}
-	
-// 	return handle;
-// }
-
-//============================================================================
-
-LLVFSThread::Request::Request(handle_t handle, U32 priority, U32 flags,
-							  operation_t op, LLVFS* vfs,
-							  const LLUUID &file_id, const LLAssetType::EType file_type,
-							  U8* buffer, S32 offset, S32 numbytes) :
-	QueuedRequest(handle, priority, flags),
-	mOperation(op),
-	mVFS(vfs),
-	mFileID(file_id),
-	mFileType(file_type),
-	mBuffer(buffer),
-	mOffset(offset),
-	mBytes(numbytes),
-	mBytesRead(0)
-{
-	llassert(mBuffer);
-
-	if (numbytes <= 0 && mOperation != FILE_RENAME)
-	{
-		LL_WARNS() << "LLVFSThread: Request with numbytes = " << numbytes 
-			<< " operation = " << op
-			<< " offset " << offset 
-			<< " file_type " << file_type << LL_ENDL;
-	}
-	if (mOperation == FILE_WRITE)
-	{
-		S32 blocksize =  mVFS->getMaxSize(mFileID, mFileType);
-		if (blocksize < 0)
-		{
-			LL_WARNS() << "VFS write to temporary block (shouldn't happen)" << LL_ENDL;
-		}
-		mVFS->incLock(mFileID, mFileType, VFSLOCK_APPEND);
-	}
-	else if (mOperation == FILE_RENAME)
-	{
-		mVFS->incLock(mFileID, mFileType, VFSLOCK_APPEND);
-	}
-	else // if (mOperation == FILE_READ)
-	{
-		mVFS->incLock(mFileID, mFileType, VFSLOCK_READ);
-	}
-}
-
-// dec locks as soon as a request finishes
-void LLVFSThread::Request::finishRequest(bool completed)
-{
-	if (mOperation == FILE_WRITE)
-	{
-		mVFS->decLock(mFileID, mFileType, VFSLOCK_APPEND);
-	}
-	else if (mOperation == FILE_RENAME)
-	{
-		mVFS->decLock(mFileID, mFileType, VFSLOCK_APPEND);
-	}
-	else // if (mOperation == FILE_READ)
-	{
-		mVFS->decLock(mFileID, mFileType, VFSLOCK_READ);
-	}
-}
-
-void LLVFSThread::Request::deleteRequest()
-{
-	if (getStatus() == STATUS_QUEUED)
-	{
-		LL_ERRS() << "Attempt to delete a queued LLVFSThread::Request!" << LL_ENDL;
-	}	
-	if (mOperation == FILE_WRITE)
-	{
-		if (mFlags & FLAG_AUTO_DELETE)
-		{
-			delete [] mBuffer;
-		}
-	}
-	else if (mOperation == FILE_RENAME)
-	{
-		LLUUID* new_idp = (LLUUID*)mBuffer;
-		delete new_idp;
-	}
-	LLQueuedThread::QueuedRequest::deleteRequest();
-}
-
-bool LLVFSThread::Request::processRequest()
-{
-	bool complete = false;
-	if (mOperation ==  FILE_READ)
-	{
-		llassert(mOffset >= 0);
-		mBytesRead = mVFS->getData(mFileID, mFileType, mBuffer, mOffset, mBytes);
-		complete = true;
-		//LL_INFOS() << llformat("LLVFSThread::READ '%s': %d bytes arg:%d",getFilename(),mBytesRead) << LL_ENDL;
-	}
-	else if (mOperation ==  FILE_WRITE)
-	{
-		mBytesRead = mVFS->storeData(mFileID, mFileType, mBuffer, mOffset, mBytes);
-		complete = true;
-		//LL_INFOS() << llformat("LLVFSThread::WRITE '%s': %d bytes arg:%d",getFilename(),mBytesRead) << LL_ENDL;
-	}
-	else if (mOperation ==  FILE_RENAME)
-	{
-		LLUUID* new_idp = (LLUUID*)mBuffer;
-		LLAssetType::EType new_type = (LLAssetType::EType)mBytes;
-		mVFS->renameFile(mFileID, mFileType, *new_idp, new_type);
-		mFileID = *new_idp;
-		complete = true;
-		//LL_INFOS() << llformat("LLVFSThread::RENAME '%s': %d bytes arg:%d",getFilename(),mBytesRead) << LL_ENDL;
-	}
-	else
-	{
-		LL_ERRS() << llformat("LLVFSThread::unknown operation: %d", mOperation) << LL_ENDL;
-	}
-	return complete;
-}
-
-//============================================================================
diff --git a/indra/llvfs/llvfsthread.h b/indra/llvfs/llvfsthread.h
deleted file mode 100644
index 7814de4a2d..0000000000
--- a/indra/llvfs/llvfsthread.h
+++ /dev/null
@@ -1,140 +0,0 @@
-/** 
- * @file llvfsthread.h
- * @brief LLVFSThread definition
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLVFSTHREAD_H
-#define LL_LLVFSTHREAD_H
-
-#include <queue>
-#include <string>
-#include <map>
-#include <set>
-
-#include "llqueuedthread.h"
-
-#include "llvfs.h"
-
-//============================================================================
-
-class LLVFSThread : public LLQueuedThread
-{
-	//------------------------------------------------------------------------
-public:
-	enum operation_t {
-		FILE_READ,
-		FILE_WRITE,
-		FILE_RENAME
-	};
-
-	//------------------------------------------------------------------------
-public:
-
-	class Request : public QueuedRequest
-	{
-	protected:
-		~Request() {}; // use deleteRequest()
-		
-	public:
-		Request(handle_t handle, U32 priority, U32 flags,
-				operation_t op, LLVFS* vfs,
-				const LLUUID &file_id, const LLAssetType::EType file_type,
-				U8* buffer, S32 offset, S32 numbytes);
-
-		S32 getBytesRead()
-		{
-			return mBytesRead;
-		}
-		S32 getOperation()
-		{
-			return mOperation;
-		}
-		U8* getBuffer()
-		{
-			return mBuffer;
-		}
-		LLVFS* getVFS()
-		{
-			return mVFS;
-		}
-		std::string getFilename()
-		{
-			std::string tstring;
-			mFileID.toString(tstring);
-			return tstring;
-		}
-		
-		/*virtual*/ bool processRequest();
-		/*virtual*/ void finishRequest(bool completed);
-		/*virtual*/ void deleteRequest();
-		
-	private:
-		operation_t mOperation;
-		
-		LLVFS* mVFS;
-		LLUUID mFileID;
-		LLAssetType::EType mFileType;
-		
-		U8* mBuffer;	// dest for reads, source for writes, new UUID for rename
-		S32 mOffset;	// offset into file, -1 = append (WRITE only)
-		S32 mBytes;		// bytes to read from file, -1 = all (new mFileType for rename)
-		S32	mBytesRead;	// bytes read from file
-	};
-
-	//------------------------------------------------------------------------
-public:
-	static std::string sDataPath;
-	static LLVFSThread* sLocal;		// Default worker thread
-	
-public:
-	LLVFSThread(bool threaded = TRUE);
-	~LLVFSThread();	
-
-	// Return a Request handle
-	handle_t read(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,	/* Flawfinder: ignore */
-				  U8* buffer, S32 offset, S32 numbytes, U32 pri=PRIORITY_NORMAL, U32 flags = 0);
-	handle_t write(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-				   U8* buffer, S32 offset, S32 numbytes, U32 flags);
-	// SJB: rename seems to have issues, especially when threaded
-// 	handle_t rename(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-// 					const LLUUID &new_id, const LLAssetType::EType new_type, U32 flags);
-	// Return number of bytes read
-	S32 readImmediate(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-					  U8* buffer, S32 offset, S32 numbytes);
-	S32 writeImmediate(LLVFS* vfs, const LLUUID &file_id, const LLAssetType::EType file_type,
-					   U8* buffer, S32 offset, S32 numbytes);
-
-	/*virtual*/ bool processRequest(QueuedRequest* req);
-
-public:
-	static void initClass(bool local_is_threaded = TRUE); // Setup sLocal
-	static S32 updateClass(U32 ms_elapsed);
-	static void cleanupClass();		// Delete sLocal
-	static void setDataPath(const std::string& path) { sDataPath = path; }
-};
-
-//============================================================================
-
-
-#endif // LL_LLVFSTHREAD_H
diff --git a/indra/llvfs/tests/lldir_test.cpp b/indra/llvfs/tests/lldir_test.cpp
deleted file mode 100644
index 3cff622a4b..0000000000
--- a/indra/llvfs/tests/lldir_test.cpp
+++ /dev/null
@@ -1,767 +0,0 @@
-/**
- * @file lldir_test.cpp
- * @date 2008-05
- * @brief LLDir test cases.
- *
- * $LicenseInfo:firstyear=2008&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llstring.h"
-#include "tests/StringVec.h"
-#include "../lldir.h"
-#include "../lldiriterator.h"
-
-#include "../test/lltut.h"
-#include "stringize.h"
-#include <boost/foreach.hpp>
-#include <boost/assign/list_of.hpp>
-
-using boost::assign::list_of;
-
-// We use ensure_equals(..., vec(list_of(...))) not because it's functionally
-// required, but because ensure_equals() knows how to format a StringVec.
-// Turns out that when ensure_equals() displays a test failure with just
-// list_of("string")("another"), you see 'stringanother' vs. '("string",
-// "another")'.
-StringVec vec(const StringVec& v)
-{
-    return v;
-}
-
-// For some tests, use a dummy LLDir that uses memory data instead of touching
-// the filesystem
-struct LLDir_Dummy: public LLDir
-{
-    /*----------------------------- LLDir API ------------------------------*/
-    LLDir_Dummy()
-    {
-        // Initialize important LLDir data members based on the filesystem
-        // data below.
-        mDirDelimiter = "/";
-        mExecutableDir = "install";
-        mExecutableFilename = "test";
-        mExecutablePathAndName = add(mExecutableDir, mExecutableFilename);
-        mWorkingDir = mExecutableDir;
-        mAppRODataDir = "install";
-        mSkinBaseDir = add(mAppRODataDir, "skins");
-        mOSUserDir = "user";
-        mOSUserAppDir = mOSUserDir;
-        mLindenUserDir = "";
-
-        // Make the dummy filesystem look more or less like what we expect in
-        // the real one.
-        static const char* preload[] =
-        {
-            // We group these fixture-data pathnames by basename, rather than
-            // sorting by full path as you might expect, because the outcome
-            // of each test strongly depends on which skins/languages provide
-            // a given basename.
-            "install/skins/default/colors.xml",
-            "install/skins/steam/colors.xml",
-            "user/skins/default/colors.xml",
-            "user/skins/steam/colors.xml",
-
-            "install/skins/default/xui/en/strings.xml",
-            "install/skins/default/xui/fr/strings.xml",
-            "install/skins/steam/xui/en/strings.xml",
-            "install/skins/steam/xui/fr/strings.xml",
-            "user/skins/default/xui/en/strings.xml",
-            "user/skins/default/xui/fr/strings.xml",
-            "user/skins/steam/xui/en/strings.xml",
-            "user/skins/steam/xui/fr/strings.xml",
-
-            "install/skins/default/xui/en/floater.xml",
-            "install/skins/default/xui/fr/floater.xml",
-            "user/skins/default/xui/fr/floater.xml",
-
-            "install/skins/default/xui/en/newfile.xml",
-            "install/skins/default/xui/fr/newfile.xml",
-            "user/skins/default/xui/en/newfile.xml",
-
-            "install/skins/default/html/en-us/welcome.html",
-            "install/skins/default/html/fr/welcome.html",
-
-            "install/skins/default/textures/only_default.jpeg",
-            "install/skins/steam/textures/only_steam.jpeg",
-            "user/skins/default/textures/only_user_default.jpeg",
-            "user/skins/steam/textures/only_user_steam.jpeg",
-
-            "install/skins/default/future/somefile.txt"
-        };
-        BOOST_FOREACH(const char* path, preload)
-        {
-            buildFilesystem(path);
-        }
-    }
-
-    virtual ~LLDir_Dummy() {}
-
-    virtual void initAppDirs(const std::string& app_name, const std::string& app_read_only_data_dir)
-    {
-        // Implement this when we write a test that needs it
-    }
-
-    virtual std::string getCurPath()
-    {
-        // Implement this when we write a test that needs it
-        return "";
-    }
-
-    virtual U32 countFilesInDir(const std::string& dirname, const std::string& mask)
-    {
-        // Implement this when we write a test that needs it
-        return 0;
-    }
-
-    virtual bool fileExists(const std::string& pathname) const
-    {
-        // Record fileExists() calls so we can check whether caching is
-        // working right. Certain LLDir calls should be able to make decisions
-        // without calling fileExists() again, having already checked existence.
-        mChecked.insert(pathname);
-        // For our simple flat set of strings, see whether the identical
-        // pathname exists in our set.
-        return (mFilesystem.find(pathname) != mFilesystem.end());
-    }
-
-    virtual std::string getLLPluginLauncher()
-    {
-        // Implement this when we write a test that needs it
-        return "";
-    }
-
-    virtual std::string getLLPluginFilename(std::string base_name)
-    {
-        // Implement this when we write a test that needs it
-        return "";
-    }
-
-    /*----------------------------- Dummy data -----------------------------*/
-    void clearFilesystem() { mFilesystem.clear(); }
-    void buildFilesystem(const std::string& path)
-    {
-        // Split the pathname on slashes, ignoring leading, trailing, doubles
-        StringVec components;
-        LLStringUtil::getTokens(path, components, "/");
-        // Ensure we have an entry representing every level of this path
-        std::string partial;
-        BOOST_FOREACH(std::string component, components)
-        {
-            append(partial, component);
-            mFilesystem.insert(partial);
-        }
-    }
-
-    void clear_checked() { mChecked.clear(); }
-    void ensure_checked(const std::string& pathname) const
-    {
-        tut::ensure(STRINGIZE(pathname << " was not checked but should have been"),
-                    mChecked.find(pathname) != mChecked.end());
-    }
-    void ensure_not_checked(const std::string& pathname) const
-    {
-        tut::ensure(STRINGIZE(pathname << " was checked but should not have been"),
-                    mChecked.find(pathname) == mChecked.end());
-    }
-
-    std::set<std::string> mFilesystem;
-    mutable std::set<std::string> mChecked;
-};
-
-namespace tut
-{
-	struct LLDirTest
-        {
-        };
-        typedef test_group<LLDirTest> LLDirTest_t;
-        typedef LLDirTest_t::object LLDirTest_object_t;
-        tut::LLDirTest_t tut_LLDirTest("LLDir");
-
-	template<> template<>
-	void LLDirTest_object_t::test<1>()
-		// getDirDelimiter
-	{
-		ensure("getDirDelimiter", !gDirUtilp->getDirDelimiter().empty());
-	}
-
-	template<> template<>
-	void LLDirTest_object_t::test<2>()
-		// getBaseFileName
-	{
-		std::string delim = gDirUtilp->getDirDelimiter();
-		std::string rawFile = "foo";
-		std::string rawFileExt = "foo.bAr";
-		std::string rawFileNullExt = "foo.";
-		std::string rawExt = ".bAr";
-		std::string rawDot = ".";
-		std::string pathNoExt = "aa" + delim + "bb" + delim + "cc" + delim + "dd" + delim + "ee";
-		std::string pathExt = pathNoExt + ".eXt";
-		std::string dottedPathNoExt = "aa" + delim + "bb" + delim + "cc.dd" + delim + "ee";
-		std::string dottedPathExt = dottedPathNoExt + ".eXt";
-
-		// foo[.bAr]
-
-		ensure_equals("getBaseFileName/r-no-ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(rawFile, false),
-			      "foo");
-
-		ensure_equals("getBaseFileName/r-no-ext/strip-exten",
-			      gDirUtilp->getBaseFileName(rawFile, true),
-			      "foo");
-
-		ensure_equals("getBaseFileName/r-ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(rawFileExt, false),
-			      "foo.bAr");
-
-		ensure_equals("getBaseFileName/r-ext/strip-exten",
-			      gDirUtilp->getBaseFileName(rawFileExt, true),
-			      "foo");
-
-		// foo.
-
-		ensure_equals("getBaseFileName/rn-no-ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(rawFileNullExt, false),
-			      "foo.");
-
-		ensure_equals("getBaseFileName/rn-no-ext/strip-exten",
-			      gDirUtilp->getBaseFileName(rawFileNullExt, true),
-			      "foo");
-
-		// .bAr
-		// interesting case - with no basename, this IS the basename, not the extension.
-
-		ensure_equals("getBaseFileName/e-ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(rawExt, false),
-			      ".bAr");
-
-		ensure_equals("getBaseFileName/e-ext/strip-exten",
-			      gDirUtilp->getBaseFileName(rawExt, true),
-			      ".bAr");
-
-		// .
-
-		ensure_equals("getBaseFileName/d/no-strip-exten",
-			      gDirUtilp->getBaseFileName(rawDot, false),
-			      ".");
-
-		ensure_equals("getBaseFileName/d/strip-exten",
-			      gDirUtilp->getBaseFileName(rawDot, true),
-			      ".");
-
-		// aa/bb/cc/dd/ee[.eXt]
-
-		ensure_equals("getBaseFileName/no-ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(pathNoExt, false),
-			      "ee");
-
-		ensure_equals("getBaseFileName/no-ext/strip-exten",
-			      gDirUtilp->getBaseFileName(pathNoExt, true),
-			      "ee");
-
-		ensure_equals("getBaseFileName/ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(pathExt, false),
-			      "ee.eXt");
-
-		ensure_equals("getBaseFileName/ext/strip-exten",
-			      gDirUtilp->getBaseFileName(pathExt, true),
-			      "ee");
-
-		// aa/bb/cc.dd/ee[.eXt]
-
-		ensure_equals("getBaseFileName/d-no-ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(dottedPathNoExt, false),
-			      "ee");
-
-		ensure_equals("getBaseFileName/d-no-ext/strip-exten",
-			      gDirUtilp->getBaseFileName(dottedPathNoExt, true),
-			      "ee");
-
-		ensure_equals("getBaseFileName/d-ext/no-strip-exten",
-			      gDirUtilp->getBaseFileName(dottedPathExt, false),
-			      "ee.eXt");
-
-		ensure_equals("getBaseFileName/d-ext/strip-exten",
-			      gDirUtilp->getBaseFileName(dottedPathExt, true),
-			      "ee");
-	}
-
-	template<> template<>
-	void LLDirTest_object_t::test<3>()
-		// getDirName
-	{
-		std::string delim = gDirUtilp->getDirDelimiter();
-		std::string rawFile = "foo";
-		std::string rawFileExt = "foo.bAr";
-		std::string pathNoExt = "aa" + delim + "bb" + delim + "cc" + delim + "dd" + delim + "ee";
-		std::string pathExt = pathNoExt + ".eXt";
-		std::string dottedPathNoExt = "aa" + delim + "bb" + delim + "cc.dd" + delim + "ee";
-		std::string dottedPathExt = dottedPathNoExt + ".eXt";
-
-		// foo[.bAr]
-
-		ensure_equals("getDirName/r-no-ext",
-			      gDirUtilp->getDirName(rawFile),
-			      "");
-
-		ensure_equals("getDirName/r-ext",
-			      gDirUtilp->getDirName(rawFileExt),
-			      "");
-
-		// aa/bb/cc/dd/ee[.eXt]
-
-		ensure_equals("getDirName/no-ext",
-			      gDirUtilp->getDirName(pathNoExt),
-			      "aa" + delim + "bb" + delim + "cc" + delim + "dd");
-
-		ensure_equals("getDirName/ext",
-			      gDirUtilp->getDirName(pathExt),
-			      "aa" + delim + "bb" + delim + "cc" + delim + "dd");
-
-		// aa/bb/cc.dd/ee[.eXt]
-
-		ensure_equals("getDirName/d-no-ext",
-			      gDirUtilp->getDirName(dottedPathNoExt),
-			      "aa" + delim + "bb" + delim + "cc.dd");
-
-		ensure_equals("getDirName/d-ext",
-			      gDirUtilp->getDirName(dottedPathExt),
-			      "aa" + delim + "bb" + delim + "cc.dd");
-	}
-
-	template<> template<>
-	void LLDirTest_object_t::test<4>()
-		// getExtension
-	{
-		std::string delim = gDirUtilp->getDirDelimiter();
-		std::string rawFile = "foo";
-		std::string rawFileExt = "foo.bAr";
-		std::string rawFileNullExt = "foo.";
-		std::string rawExt = ".bAr";
-		std::string rawDot = ".";
-		std::string pathNoExt = "aa" + delim + "bb" + delim + "cc" + delim + "dd" + delim + "ee";
-		std::string pathExt = pathNoExt + ".eXt";
-		std::string dottedPathNoExt = "aa" + delim + "bb" + delim + "cc.dd" + delim + "ee";
-		std::string dottedPathExt = dottedPathNoExt + ".eXt";
-
-		// foo[.bAr]
-
-		ensure_equals("getExtension/r-no-ext",
-			      gDirUtilp->getExtension(rawFile),
-			      "");
-
-		ensure_equals("getExtension/r-ext",
-			      gDirUtilp->getExtension(rawFileExt),
-			      "bar");
-
-		// foo.
-
-		ensure_equals("getExtension/rn-no-ext",
-			      gDirUtilp->getExtension(rawFileNullExt),
-			      "");
-
-		// .bAr
-		// interesting case - with no basename, this IS the basename, not the extension.
-
-		ensure_equals("getExtension/e-ext",
-			      gDirUtilp->getExtension(rawExt),
-			      "");
-
-		// .
-
-		ensure_equals("getExtension/d",
-			      gDirUtilp->getExtension(rawDot),
-			      "");
-
-		// aa/bb/cc/dd/ee[.eXt]
-
-		ensure_equals("getExtension/no-ext",
-			      gDirUtilp->getExtension(pathNoExt),
-			      "");
-
-		ensure_equals("getExtension/ext",
-			      gDirUtilp->getExtension(pathExt),
-			      "ext");
-
-		// aa/bb/cc.dd/ee[.eXt]
-
-		ensure_equals("getExtension/d-no-ext",
-			      gDirUtilp->getExtension(dottedPathNoExt),
-			      "");
-
-		ensure_equals("getExtension/d-ext",
-			      gDirUtilp->getExtension(dottedPathExt),
-			      "ext");
-	}
-
-   std::string makeTestFile( const std::string& dir, const std::string& file )
-   {
-      std::string path = dir + file;
-      LLFILE* handle = LLFile::fopen( path, "w" );
-      ensure("failed to open test file '"+path+"'", handle != NULL );
-      // Harbison & Steele, 4th ed., p. 366: "If an error occurs, fputs
-      // returns EOF; otherwise, it returns some other, nonnegative value."
-      ensure("failed to write to test file '"+path+"'", EOF != fputs("test file", handle) );
-      fclose(handle);
-      return path;
-   }
-
-   std::string makeTestDir( const std::string& dirbase )
-   {
-      int counter;
-      std::string uniqueDir;
-      bool foundUnused;
-      std::string delim = gDirUtilp->getDirDelimiter();
-      
-      for (counter=0, foundUnused=false; !foundUnused; counter++ )
-      {
-         char counterStr[3];
-         sprintf(counterStr, "%02d", counter);
-         uniqueDir = dirbase + counterStr;
-         foundUnused = ! ( LLFile::isdir(uniqueDir) || LLFile::isfile(uniqueDir) );
-      }
-      ensure("test directory '" + uniqueDir + "' creation failed", !LLFile::mkdir(uniqueDir));
-      
-      return uniqueDir + delim; // HACK - apparently, the trailing delimiter is needed...
-   }
-
-   static const char* DirScanFilename[5] = { "file1.abc", "file2.abc", "file1.xyz", "file2.xyz", "file1.mno" };
-
-   void scanTest(const std::string& directory, const std::string& pattern, bool correctResult[5])
-   {
-
-      // Scan directory and see if any file1.* files are found
-      std::string scanResult;
-      int   found = 0;
-      bool  filesFound[5] = { false, false, false, false, false };
-      //std::cerr << "searching '"+directory+"' for '"+pattern+"'\n";
-
-      LLDirIterator iter(directory, pattern);
-      while ( found <= 5 && iter.next(scanResult) )
-      {
-         found++;
-         //std::cerr << "  found '"+scanResult+"'\n";
-         int check;
-         for (check=0; check < 5 && ! ( scanResult == DirScanFilename[check] ); check++)
-         {
-         }
-         // check is now either 5 (not found) or the index of the matching name
-         if (check < 5)
-         {
-            ensure( "found file '"+(std::string)DirScanFilename[check]+"' twice", ! filesFound[check] );
-            filesFound[check] = true;
-         }
-         else // check is 5 - should not happen
-         {
-            fail( "found unknown file '"+scanResult+"'");
-         }
-      }
-      for (int i=0; i<5; i++)
-      {
-         if (correctResult[i])
-         {
-            ensure("scan of '"+directory+"' using '"+pattern+"' did not return '"+DirScanFilename[i]+"'", filesFound[i]);
-         }
-         else
-         {
-            ensure("scan of '"+directory+"' using '"+pattern+"' incorrectly returned '"+DirScanFilename[i]+"'", !filesFound[i]);
-         }
-      }
-   }
-   
-   template<> template<>
-   void LLDirTest_object_t::test<5>()
-      // LLDirIterator::next
-   {
-      std::string delim = gDirUtilp->getDirDelimiter();
-      std::string dirTemp = LLFile::tmpdir();
-
-      // Create the same 5 file names of the two directories
-
-      std::string dir1 = makeTestDir(dirTemp + "LLDirIterator");
-      std::string dir2 = makeTestDir(dirTemp + "LLDirIterator");
-      std::string dir1files[5];
-      std::string dir2files[5];
-      for (int i=0; i<5; i++)
-      {
-         dir1files[i] = makeTestFile(dir1, DirScanFilename[i]);
-         dir2files[i] = makeTestFile(dir2, DirScanFilename[i]);
-      }
-
-      // Scan dir1 and see if each of the 5 files is found exactly once
-      bool expected1[5] = { true, true, true, true, true };
-      scanTest(dir1, "*", expected1);
-
-      // Scan dir2 and see if only the 2 *.xyz files are found
-      bool  expected2[5] = { false, false, true, true, false };
-      scanTest(dir1, "*.xyz", expected2);
-
-      // Scan dir2 and see if only the 1 *.mno file is found
-      bool  expected3[5] = { false, false, false, false, true };
-      scanTest(dir2, "*.mno", expected3);
-
-      // Scan dir1 and see if any *.foo files are found
-      bool  expected4[5] = { false, false, false, false, false };
-      scanTest(dir1, "*.foo", expected4);
-
-      // Scan dir1 and see if any file1.* files are found
-      bool  expected5[5] = { true, false, true, false, true };
-      scanTest(dir1, "file1.*", expected5);
-
-      // Scan dir1 and see if any file1.* files are found
-      bool  expected6[5] = { true, true, false, false, false };
-      scanTest(dir1, "file?.abc", expected6);
-
-      // Scan dir2 and see if any file?.x?z files are found
-      bool  expected7[5] = { false, false, true, true, false };
-      scanTest(dir2, "file?.x?z", expected7);
-
-      // Scan dir2 and see if any file?.??c files are found
-      bool  expected8[5] = { true, true, false, false, false };
-      scanTest(dir2, "file?.??c", expected8);
-      scanTest(dir2, "*.??c", expected8);
-
-      // Scan dir1 and see if any *.?n? files are found
-      bool  expected9[5] = { false, false, false, false, true };
-      scanTest(dir1, "*.?n?", expected9);
-
-      // Scan dir1 and see if any *.???? files are found
-      bool  expected10[5] = { false, false, false, false, false };
-      scanTest(dir1, "*.????", expected10);
-
-      // Scan dir1 and see if any ?????.* files are found
-      bool  expected11[5] = { true, true, true, true, true };
-      scanTest(dir1, "?????.*", expected11);
-
-      // Scan dir1 and see if any ??l??.xyz files are found
-      bool  expected12[5] = { false, false, true, true, false };
-      scanTest(dir1, "??l??.xyz", expected12);
-
-      bool expected13[5] = { true, false, true, false, false };
-      scanTest(dir1, "file1.{abc,xyz}", expected13);
-
-      bool expected14[5] = { true, true, false, false, false };
-      scanTest(dir1, "file[0-9].abc", expected14);
-
-      bool expected15[5] = { true, true, false, false, false };
-      scanTest(dir1, "file[!a-z].abc", expected15);
-
-      // clean up all test files and directories
-      for (int i=0; i<5; i++)
-      {
-         LLFile::remove(dir1files[i]);
-         LLFile::remove(dir2files[i]);
-      }
-      LLFile::rmdir(dir1);
-      LLFile::rmdir(dir2);
-   }
-
-    template<> template<>
-    void LLDirTest_object_t::test<6>()
-    {
-        set_test_name("findSkinnedFilenames()");
-        LLDir_Dummy lldir;
-        /*------------------------ "default", "en" -------------------------*/
-        // Setting "default" means we shouldn't consider any "*/skins/steam"
-        // directories; setting "en" means we shouldn't consider any "xui/fr"
-        // directories.
-        lldir.setSkinFolder("default", "en");
-        ensure_equals(lldir.getSkinFolder(), "default");
-        ensure_equals(lldir.getLanguage(), "en");
-
-        // top-level directory of a skin isn't localized
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::SKINBASE, "colors.xml", LLDir::ALL_SKINS),
-                      vec(list_of("install/skins/default/colors.xml")
-                                 ("user/skins/default/colors.xml")));
-        // We should not have needed to check for skins/default/en. We should
-        // just "know" that SKINBASE is not localized.
-        lldir.ensure_not_checked("install/skins/default/en");
-
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_default.jpeg"),
-                      vec(list_of("install/skins/default/textures/only_default.jpeg")));
-        // Nor should we have needed to check skins/default/textures/en
-        // because textures is known not to be localized.
-        lldir.ensure_not_checked("install/skins/default/textures/en");
-
-        StringVec expected(vec(list_of("install/skins/default/xui/en/strings.xml")
-                               ("user/skins/default/xui/en/strings.xml")));
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS),
-                      expected);
-        // The first time, we had to probe to find out whether xui was localized.
-        lldir.ensure_checked("install/skins/default/xui/en");
-        lldir.clear_checked();
-        // Now make the same call again -- should return same result --
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS),
-                      expected);
-        // but this time it should remember that xui is localized.
-        lldir.ensure_not_checked("install/skins/default/xui/en");
-
-        // localized subdir with "en-us" instead of "en"
-        ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"),
-                      vec(list_of("install/skins/default/html/en-us/welcome.html")));
-        lldir.ensure_checked("install/skins/default/html/en");
-        lldir.ensure_checked("install/skins/default/html/en-us");
-        lldir.clear_checked();
-        ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"),
-                      vec(list_of("install/skins/default/html/en-us/welcome.html")));
-        lldir.ensure_not_checked("install/skins/default/html/en");
-        lldir.ensure_not_checked("install/skins/default/html/en-us");
-
-        ensure_equals(lldir.findSkinnedFilenames("future", "somefile.txt"),
-                      vec(list_of("install/skins/default/future/somefile.txt")));
-        // Test probing for an unrecognized unlocalized future subdir.
-        lldir.ensure_checked("install/skins/default/future/en");
-        lldir.clear_checked();
-        ensure_equals(lldir.findSkinnedFilenames("future", "somefile.txt"),
-                      vec(list_of("install/skins/default/future/somefile.txt")));
-        // Second time it should remember that future is unlocalized.
-        lldir.ensure_not_checked("install/skins/default/future/en");
-
-        // When language is set to "en", requesting an html file pulls up the
-        // "en-us" version -- not because it magically matches those strings,
-        // but because there's no "en" localization and it falls back on the
-        // default "en-us"! Note that it would probably still be better to
-        // make the default localization be "en" and allow "en-gb" (or
-        // whatever) localizations, which would work much more the way you'd
-        // expect.
-        ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"),
-                      vec(list_of("install/skins/default/html/en-us/welcome.html")));
-
-        /*------------------------ "default", "fr" -------------------------*/
-        // We start being able to distinguish localized subdirs from
-        // unlocalized when we ask for a non-English language.
-        lldir.setSkinFolder("default", "fr");
-        ensure_equals(lldir.getLanguage(), "fr");
-
-        // pass merge=true to request this filename in all relevant skins
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS),
-                      vec(list_of
-                          ("install/skins/default/xui/en/strings.xml")
-                          ("install/skins/default/xui/fr/strings.xml")
-                          ("user/skins/default/xui/en/strings.xml")
-                          ("user/skins/default/xui/fr/strings.xml")));
-
-        // pass (or default) merge=false to request only most specific skin
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"),
-                      vec(list_of
-                          ("user/skins/default/xui/en/strings.xml")
-                          ("user/skins/default/xui/fr/strings.xml")));
-
-        // Our dummy floater.xml has a user localization (for "fr") but no
-        // English override. This is a case in which CURRENT_SKIN nonetheless
-        // returns paths from two different skins.
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "floater.xml"),
-                      vec(list_of
-                          ("install/skins/default/xui/en/floater.xml")
-                          ("user/skins/default/xui/fr/floater.xml")));
-
-        // Our dummy newfile.xml has an English override but no user
-        // localization. This is another case in which CURRENT_SKIN
-        // nonetheless returns paths from two different skins.
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "newfile.xml"),
-                      vec(list_of
-                          ("user/skins/default/xui/en/newfile.xml")
-                          ("install/skins/default/xui/fr/newfile.xml")));
-
-        ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"),
-                      vec(list_of
-                          ("install/skins/default/html/en-us/welcome.html")
-                          ("install/skins/default/html/fr/welcome.html")));
-
-        /*------------------------ "default", "zh" -------------------------*/
-        lldir.setSkinFolder("default", "zh");
-        // Because strings.xml has only a "fr" override but no "zh" override
-        // in any skin, the most localized version we can find is "en".
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"),
-                      vec(list_of("user/skins/default/xui/en/strings.xml")));
-
-        /*------------------------- "steam", "en" --------------------------*/
-        lldir.setSkinFolder("steam", "en");
-
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::SKINBASE, "colors.xml", LLDir::ALL_SKINS),
-                      vec(list_of
-                          ("install/skins/default/colors.xml")
-                          ("install/skins/steam/colors.xml")
-                          ("user/skins/default/colors.xml")
-                          ("user/skins/steam/colors.xml")));
-
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_default.jpeg"),
-                      vec(list_of("install/skins/default/textures/only_default.jpeg")));
-
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_steam.jpeg"),
-                      vec(list_of("install/skins/steam/textures/only_steam.jpeg")));
-
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_user_default.jpeg"),
-                      vec(list_of("user/skins/default/textures/only_user_default.jpeg")));
-
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_user_steam.jpeg"),
-                      vec(list_of("user/skins/steam/textures/only_user_steam.jpeg")));
-
-        // CURRENT_SKIN
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"),
-                      vec(list_of("user/skins/steam/xui/en/strings.xml")));
-
-        // pass constraint=ALL_SKINS to request this filename in all relevant skins
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS),
-                      vec(list_of
-                          ("install/skins/default/xui/en/strings.xml")
-                          ("install/skins/steam/xui/en/strings.xml")
-                          ("user/skins/default/xui/en/strings.xml")
-                          ("user/skins/steam/xui/en/strings.xml")));
-
-        /*------------------------- "steam", "fr" --------------------------*/
-        lldir.setSkinFolder("steam", "fr");
-
-        // pass CURRENT_SKIN to request only the most specialized files
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"),
-                      vec(list_of
-                          ("user/skins/steam/xui/en/strings.xml")
-                          ("user/skins/steam/xui/fr/strings.xml")));
-
-        // pass ALL_SKINS to request this filename in all relevant skins
-        ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS),
-                      vec(list_of
-                          ("install/skins/default/xui/en/strings.xml")
-                          ("install/skins/default/xui/fr/strings.xml")
-                          ("install/skins/steam/xui/en/strings.xml")
-                          ("install/skins/steam/xui/fr/strings.xml")
-                          ("user/skins/default/xui/en/strings.xml")
-                          ("user/skins/default/xui/fr/strings.xml")
-                          ("user/skins/steam/xui/en/strings.xml")
-                          ("user/skins/steam/xui/fr/strings.xml")));
-    }
-
-    template<> template<>
-    void LLDirTest_object_t::test<7>()
-    {
-        set_test_name("add()");
-        LLDir_Dummy lldir;
-        ensure_equals("both empty", lldir.add("", ""), "");
-        ensure_equals("path empty", lldir.add("", "b"), "b");
-        ensure_equals("name empty", lldir.add("a", ""), "a");
-        ensure_equals("both simple", lldir.add("a", "b"), "a/b");
-        ensure_equals("name leading slash", lldir.add("a", "/b"), "a/b");
-        ensure_equals("path trailing slash", lldir.add("a/", "b"), "a/b");
-        ensure_equals("both bring slashes", lldir.add("a/", "/b"), "a/b");
-    }
-}
diff --git a/indra/llvfs/tests/lldiriterator_test.cpp b/indra/llvfs/tests/lldiriterator_test.cpp
deleted file mode 100644
index a65e3dada5..0000000000
--- a/indra/llvfs/tests/lldiriterator_test.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/**
- * @file lldiriterator_test.cpp
- * @date 2011-06
- * @brief LLDirIterator test cases.
- *
- * $LicenseInfo:firstyear=2011&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2011, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.,
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-#include "lltut.h"
-#include "../lldiriterator.h"
-
-
-namespace tut
-{
-    
-    struct LLDirIteratorFixture
-    {
-        LLDirIteratorFixture()
-        {
-        }
-    };
-    typedef test_group<LLDirIteratorFixture> LLDirIteratorTest_factory;
-    typedef LLDirIteratorTest_factory::object LLDirIteratorTest_t;
-    LLDirIteratorTest_factory tf("LLDirIterator");
-
-    /*
-    CHOP-662 was originally introduced to deal with crashes deleting files from
-    a directory (VWR-25500). However, this introduced a crash looking for 
-    old chat logs as the glob_to_regex function in lldiriterator wasn't escaping lots of regexp characters
-    */
-    void test_chop_662(void)
-    {
-        //  Check a selection of bad group names from the crash reports 
-        LLDirIterator iter(".","+bad-group-name]+?\?-??.*");
-        LLDirIterator iter1(".","))--@---bad-group-name2((?\?-??.*\\.txt");
-        LLDirIterator iter2(".","__^v--x)Cuide d sua vida(x--v^__?\?-??.*"); 
-    }
-
-    template<> template<>
-	void LLDirIteratorTest_t::test<1>()
-    {
-       test_chop_662();
-    }
-
-}