diff -r 0135e64c6c66 -r c4fd2813b127 misc/libphysfs/lzma/CPP/7zip/UI/Common/WorkDir.cpp
--- a/misc/libphysfs/lzma/CPP/7zip/UI/Common/WorkDir.cpp	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,64 +0,0 @@
-// WorkDir.cpp
-
-#include "StdAfx.h"
-
-#include "WorkDir.h"
-
-#include "Common/StringConvert.h"
-#include "Common/Wildcard.h"
-
-#include "Windows/FileName.h"
-#include "Windows/FileDir.h"
-
-static inline UINT GetCurrentCodePage() 
-  { return ::AreFileApisANSI() ? CP_ACP : CP_OEMCP; } 
-
-using namespace NWindows;
-using namespace NFile;
-using namespace NName;
-
-UString GetWorkDir(const NWorkDir::CInfo &workDirInfo, const UString &path)
-{
-  NWorkDir::NMode::EEnum mode = workDirInfo.Mode;
-  if (workDirInfo.ForRemovableOnly)
-  {
-    mode = NWorkDir::NMode::kCurrent;
-    UString prefix = path.Left(3);
-    if (prefix[1] == L':' && prefix[2] == L'\\')
-    {
-      UINT driveType = GetDriveType(GetSystemString(prefix, GetCurrentCodePage()));
-      if (driveType == DRIVE_CDROM || driveType == DRIVE_REMOVABLE)
-        mode = workDirInfo.Mode;
-    }
-    /*
-    CParsedPath parsedPath;
-    parsedPath.ParsePath(archiveName);
-    UINT driveType = GetDriveType(parsedPath.Prefix);
-    if ((driveType != DRIVE_CDROM) && (driveType != DRIVE_REMOVABLE))
-      mode = NZipSettings::NWorkDir::NMode::kCurrent;
-    */
-  }
-  switch(mode)
-  {
-    case NWorkDir::NMode::kCurrent:
-    {
-      return ExtractDirPrefixFromPath(path);
-    }
-    case NWorkDir::NMode::kSpecified:
-    {
-      UString tempDir = workDirInfo.Path;
-      NormalizeDirPathPrefix(tempDir);
-      return tempDir;
-    }
-    default:
-    {
-      UString tempDir;
-      if(!NFile::NDirectory::MyGetTempPath(tempDir))
-        throw 141717;
-      return tempDir;
-    }
-  }
-}
-
-
-