6.2

1 files changed, 0 insertions, 541 deletions

diff --git a/zen/IFileOperation/file_op.cpp b/zen/IFileOperation/file_op.cpp
deleted file mode 100644
index 27a2565b..00000000
--- a/zen/IFileOperation/file_op.cpp
+++ /dev/null
@@ -1,541 +0,0 @@
-// **************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under *
-// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
-// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
-// **************************************************************************
-
-#include "file_op.h"
-#include <algorithm>
-#include <string>
-#include <vector>
-
-#define WIN32_LEAN_AND_MEAN
-#include <zen/com_ptr.h>
-#include <zen/com_error.h>
-#include <zen/scope_guard.h>
-#include <zen/stl_tools.h>
-#include <zen/file_handling.h>
-
-#include <boost/thread/tss.hpp>
-
-#include <RestartManager.h>
-#pragma comment(lib, "Rstrtmgr.lib")
-
-#define STRICT_TYPED_ITEMIDS //better type safety for IDLists
-#include <Shlobj.h>
-#include <shobjidl.h>
-#include <shellapi.h> //shell constants such as FO_* values
-
-using namespace zen;
-
-
-namespace
-{
-std::vector<std::wstring> getLockingProcesses(const wchar_t* filename); //throw SysError
-
-
-class RecyclerProgressCallback : public IFileOperationProgressSink
-{
-    //Sample implementation: %ProgramFiles%\Microsoft SDKs\Windows\v7.1\Samples\winui\shell\appplatform\FileOperationProgressSink
-
-    ~RecyclerProgressCallback() {} //private: do not allow stack usage "thanks" to IUnknown lifetime management!
-
-public:
-    RecyclerProgressCallback(fileop::RecyclerCallback callback, void* sink) :
-        cancellationRequested(false),
-        callback_(callback),
-        sink_(sink),
-        refCount(1) {}
-
-    //IUnknown: reference implementation according to: http://msdn.microsoft.com/en-us/library/office/cc839627.aspx
-    virtual ULONG STDMETHODCALLTYPE AddRef()
-    {
-        return ::InterlockedIncrement(&refCount);
-    }
-
-    virtual ULONG STDMETHODCALLTYPE Release()
-    {
-        ULONG newRefCount = ::InterlockedDecrement(&refCount);
-        if (newRefCount == 0) //race condition caveat: do NOT check refCount, which might have changed already!
-            delete this;
-        return newRefCount;
-    }
-
-    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void __RPC_FAR* __RPC_FAR* ppvObject)
-    {
-        if (!ppvObject)
-            return E_INVALIDARG;
-
-        if (riid == IID_IUnknown || riid == IID_IFileOperationProgressSink)
-        {
-            *ppvObject = this;
-            AddRef();
-            return S_OK;
-        }
-        *ppvObject = NULL;
-        return E_NOINTERFACE;
-    }
-
-    //IFileOperationProgressSink
-    virtual HRESULT STDMETHODCALLTYPE StartOperations() { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE FinishOperations(HRESULT hrResult) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PreRenameItem		(DWORD dwFlags, __RPC__in_opt IShellItem* psiItem, __RPC__in_opt_string LPCWSTR pszNewName) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PostRenameItem	(DWORD dwFlags, __RPC__in_opt IShellItem* psiItem, __RPC__in_string LPCWSTR pszNewName, HRESULT hrRename, __RPC__in_opt IShellItem* psiNewlyCreated) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PreMoveItem		(DWORD dwFlags, __RPC__in_opt IShellItem* psiItem, __RPC__in_opt IShellItem* psiDestinationFolder, __RPC__in_opt_string LPCWSTR pszNewName) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PostMoveItem		(DWORD dwFlags, __RPC__in_opt IShellItem* psiItem, __RPC__in_opt IShellItem* psiDestinationFolder, __RPC__in_opt_string LPCWSTR pszNewName, HRESULT hrMove, __RPC__in_opt IShellItem* psiNewlyCreated) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PreCopyItem		(DWORD dwFlags, __RPC__in_opt IShellItem* psiItem, __RPC__in_opt IShellItem* psiDestinationFolder, __RPC__in_opt_string LPCWSTR pszNewName) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PostCopyItem		(DWORD dwFlags, __RPC__in_opt IShellItem* psiItem, __RPC__in_opt IShellItem* psiDestinationFolder, __RPC__in_opt_string LPCWSTR pszNewName, HRESULT hrCopy, __RPC__in_opt IShellItem* psiNewlyCreated) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PreNewItem		(DWORD dwFlags, __RPC__in_opt IShellItem* psiDestinationFolder, __RPC__in_opt_string LPCWSTR pszNewName) { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PostNewItem		(DWORD dwFlags, __RPC__in_opt IShellItem* psiDestinationFolder, __RPC__in_opt_string LPCWSTR pszNewName, __RPC__in_opt_string LPCWSTR pszTemplateName, DWORD dwFileAttributes, HRESULT hrNew, __RPC__in_opt IShellItem* psiNewItem) { return S_OK; }
-
-    virtual HRESULT STDMETHODCALLTYPE PreDeleteItem(DWORD dwFlags, __RPC__in_opt IShellItem* psiItem)
-    {
-        if (psiItem)
-        {
-            LPWSTR itemPath = nullptr;
-            if (SUCCEEDED(psiItem->GetDisplayName(SIGDN_FILESYSPATH, &itemPath))) //will fail for long file paths > MAX_PATH!
-            {
-                ZEN_ON_SCOPE_EXIT(::CoTaskMemFree(itemPath));
-                currentItem = itemPath;
-            }
-            else if (SUCCEEDED(psiItem->GetDisplayName(SIGDN_NORMALDISPLAY, &itemPath))) //short name only; should work even for long file paths!
-            {
-                ZEN_ON_SCOPE_EXIT(::CoTaskMemFree(itemPath));
-                currentItem = itemPath;
-            }
-            else
-                currentItem = L"<unknown file>"; //give some indication that file name determination failed (rather than leaving the name empty!)
-        }
-        //"Returns S_OK if successful, or an error value otherwise. In the case of an error value, the delete operation
-        //and all subsequent operations pending from the call to IFileOperation are canceled."
-        return cancellationRequested ? HRESULT_FROM_WIN32(ERROR_CANCELLED) : S_OK;
-    }
-
-    virtual HRESULT STDMETHODCALLTYPE PostDeleteItem(DWORD dwFlags,
-                                                     __RPC__in_opt IShellItem* psiItem,
-                                                     HRESULT hrDelete,
-                                                     __RPC__in_opt IShellItem* psiNewlyCreated)
-    {
-        if (FAILED(hrDelete))
-            lastError = make_unique<std::pair<std::wstring, HRESULT>>(currentItem, hrDelete);
-
-        currentItem.clear();
-        //"Returns S_OK if successful, or an error value otherwise. In the case of an error value,
-        //all subsequent operations pending from the call to IFileOperation are canceled."
-        return cancellationRequested ? HRESULT_FROM_WIN32(ERROR_CANCELLED) : S_OK;
-    }
-
-    virtual HRESULT STDMETHODCALLTYPE UpdateProgress(UINT iWorkTotal, UINT iWorkSoFar)
-    {
-        if (callback_)
-            try
-            {
-                if (!callback_(currentItem.c_str(), sink_)) //should not throw!
-                    cancellationRequested = true;
-            }
-            catch (...) { return E_UNEXPECTED; }
-        //"If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code."
-        //-> this probably means, we cannot rely on returning a custom error code here and have IFileOperation::PerformOperations() fail with same
-        //=> defer cancellation to PreDeleteItem()/PostDeleteItem()
-        return S_OK;
-    }
-    virtual HRESULT STDMETHODCALLTYPE ResetTimer () { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE PauseTimer () { return S_OK; }
-    virtual HRESULT STDMETHODCALLTYPE ResumeTimer() { return S_OK; }
-
-    //call after IFileOperation::PerformOperations()
-    const std::pair<std::wstring, HRESULT>* getLastError() const { return lastError.get(); } //(file path, error code)
-
-private:
-    std::wstring currentItem;
-    bool cancellationRequested;
-
-    std::unique_ptr<std::pair<std::wstring, HRESULT>> lastError;
-
-    //file_op user callback
-    fileop::RecyclerCallback callback_;
-    void* sink_;
-
-    //support IUnknown
-    LONG refCount;
-};
-
-
-void moveToRecycleBin(const wchar_t* fileNames[], //throw SysError
-                      size_t         fileCount,
-                      fileop::RecyclerCallback callback,
-                      void* sink)
-{
-    ComPtr<IFileOperation> fileOp;
-    ZEN_COM_CHECK(::CoCreateInstance(CLSID_FileOperation, //throw SysError
-                                     nullptr,
-                                     CLSCTX_ALL,
-                                     IID_PPV_ARGS(fileOp.init())));
-
-    // Set the operation flags. Turn off all UI from being shown to the user during the
-    // operation. This includes error, confirmation and progress dialogs.
-    ZEN_COM_CHECK(fileOp->SetOperationFlags(FOF_ALLOWUNDO      |
-                                            FOF_NOCONFIRMATION |
-                                            FOF_SILENT         | //no progress dialog box
-                                            FOF_NOERRORUI      |
-                                            FOFX_EARLYFAILURE  |
-                                            //without FOFX_EARLYFAILURE, IFileOperationProgressSink::PostDeleteItem() will always report success, even if deletion failed!!? WTF!?
-                                            //PerformOperations() will still succeed but set the uselessly generic GetAnyOperationsAborted() instead :(((
-                                            //=> always set FOFX_EARLYFAILURE since we prefer good error messages over "doing as much as possible"
-                                            //luckily for FreeFileSync we don't expect failures on individual files anyway: FreeFileSync moves files to be
-                                            //deleted to a temporary folder first, so there is no reason why a second move (the recycling itself) should fail
-                                            FOF_NO_CONNECTED_ELEMENTS));
-    //use FOFX_RECYCLEONDELETE when Windows 8 is available!?
-
-    ComPtr<RecyclerProgressCallback> opProgress;
-    *opProgress.init() = new (std::nothrow) RecyclerProgressCallback(callback, sink);
-    if (!opProgress)
-        throw SysError(formatComError(L"Error creating RecyclerProgressCallback.", E_OUTOFMEMORY));
-
-    DWORD callbackID = 0;
-    ZEN_COM_CHECK(fileOp->Advise(opProgress.get(), &callbackID));
-    ZEN_ON_SCOPE_EXIT(fileOp->Unadvise(callbackID)); //RecyclerProgressCallback might outlive current scope, so cut access to "callback, sink"
-
-    int operationCount = 0;
-
-    for (size_t i = 0; i < fileCount; ++i)
-    {
-        //SHCreateItemFromParsingName() physically checks file existence => callback
-        if (callback)
-        {
-            bool continueExecution = false;
-            try
-            {
-                continueExecution = callback(fileNames[i], sink); //should not throw!
-            }
-            catch (...) { throw SysError(formatComError(L"Unexpected exception in callback.", E_UNEXPECTED));  }
-
-            if (!continueExecution)
-                throw SysError(formatComError(L"Operation cancelled.", HRESULT_FROM_WIN32(ERROR_CANCELLED)));
-        }
-
-        //create file/folder item object
-        ComPtr<IShellItem> psiFile;
-        HRESULT hr = ::SHCreateItemFromParsingName(fileNames[i],
-                                                   nullptr,
-                                                   IID_PPV_ARGS(psiFile.init()));
-        if (FAILED(hr))
-        {
-            if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND) || //file not existing anymore
-                hr == HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND))
-            {
-                //make sure the file really is not there: Win32 by default strips trailing spaces, so we might end up here in error!
-                //on the other hand, shell layer does not support \\?\ prefix to prevent this!
-                if (!somethingExists(fileNames[i]))
-                    continue;
-            }
-            throw SysError(formatComError(std::wstring(L"Error calling \"SHCreateItemFromParsingName\" for file:\n") + L"\"" + fileNames[i] + L"\".", hr));
-        }
-
-        ZEN_COM_CHECK(fileOp->DeleteItem(psiFile.get(), nullptr));
-
-        ++operationCount;
-    }
-
-    if (operationCount == 0) //calling PerformOperations() without anything to do would yield E_UNEXPECTED
-        return;
-
-    //perform planned operations
-    try
-    {
-        ZEN_COM_CHECK(fileOp->PerformOperations());
-    }
-    catch (const SysError&)
-    {
-        //first let's check if we have more detailed error information available
-        if (const std::pair<std::wstring, HRESULT>* lastError = opProgress->getLastError())
-        {
-            std::vector<std::wstring> processes; //create an even better error message if we detect a locking issue:
-            try { processes = getLockingProcesses(lastError->first.c_str()); /*throw SysError*/ }
-            catch (const SysError&) {}
-
-            if (!processes.empty())
-            {
-                std::wstring errorMsg = L"The file \"" + lastError->first + L"\" is locked by another process:";
-                std::for_each(processes.begin(), processes.end(), [&](const std::wstring& proc) { errorMsg += L'\n'; errorMsg += proc; });
-                throw SysError(errorMsg); //message is descriptive enough, no need to evaluate HRESULT!
-            }
-            throw SysError(formatComError(std::wstring(L"Error during \"PerformOperations\" for file:\n") + L"\"" + lastError->first + L"\".", lastError->second));
-        }
-        throw;
-    }
-
-    //if FOF_NOERRORUI without FOFX_EARLYFAILURE is set, PerformOperations() can return with success despite errors, but sets the following "aborted" flag instead
-    BOOL pfAnyOperationsAborted = FALSE;
-    ZEN_COM_CHECK(fileOp->GetAnyOperationsAborted(&pfAnyOperationsAborted));
-
-    if (pfAnyOperationsAborted == TRUE)
-        throw SysError(L"Operation did not complete successfully.");
-}
-
-
-void copyFile(const wchar_t* sourceFile, //throw SysError
-              const wchar_t* targetFile)
-{
-    ComPtr<IFileOperation> fileOp;
-    ZEN_COM_CHECK(::CoCreateInstance(CLSID_FileOperation, //throw SysError
-                                     nullptr,
-                                     CLSCTX_ALL,
-                                     IID_PPV_ARGS(fileOp.init())));
-
-    // Set the operation flags.  Turn off  all UI
-    // from being shown to the user during the
-    // operation.  This includes error, confirmation
-    // and progress dialogs.
-    ZEN_COM_CHECK(fileOp->SetOperationFlags(FOF_NOCONFIRMATION | //throw SysError
-                                            FOF_SILENT         |
-                                            FOFX_EARLYFAILURE  |
-                                            FOF_NOERRORUI));
-    //create source object
-    ComPtr<IShellItem> psiSourceFile;
-    {
-        HRESULT hr = ::SHCreateItemFromParsingName(sourceFile,
-                                                   nullptr,
-                                                   IID_PPV_ARGS(psiSourceFile.init()));
-        if (FAILED(hr))
-            throw SysError(formatComError(std::wstring(L"Error calling \"SHCreateItemFromParsingName\" for file:\n") + L"\"" + sourceFile + L"\".", hr));
-    }
-
-    const size_t pos = std::wstring(targetFile).find_last_of(L'\\');
-    if (pos == std::wstring::npos)
-        throw SysError(L"Target filename does not contain a path separator.");
-
-    const std::wstring targetFolder(targetFile, pos);
-    const std::wstring targetFileNameShort = targetFile + pos + 1;
-
-    //create target folder object
-    ComPtr<IShellItem> psiTargetFolder;
-    {
-        HRESULT hr = ::SHCreateItemFromParsingName(targetFolder.c_str(),
-                                                   nullptr,
-                                                   IID_PPV_ARGS(psiTargetFolder.init()));
-        if (FAILED(hr))
-            throw SysError(formatComError(std::wstring(L"Error calling \"SHCreateItemFromParsingName\" for folder:\n") + L"\"" + targetFolder + L"\".", hr));
-    }
-
-    //schedule file copy operation
-    ZEN_COM_CHECK(fileOp->CopyItem(psiSourceFile.get(), psiTargetFolder.get(), targetFileNameShort.c_str(), nullptr));
-
-    //perform actual operations
-    ZEN_COM_CHECK(fileOp->PerformOperations());
-
-    //check if errors occured: if FOFX_EARLYFAILURE is not used, PerformOperations() can return with success despite errors!
-    BOOL pfAnyOperationsAborted = FALSE;
-    ZEN_COM_CHECK(fileOp->GetAnyOperationsAborted(&pfAnyOperationsAborted));
-
-    if (pfAnyOperationsAborted == TRUE)
-        throw SysError(L"Operation did not complete successfully.");
-}
-
-
-void getFolderClsid(const wchar_t* dirname, CLSID& pathCLSID) //throw SysError
-{
-    ComPtr<IShellFolder> desktopFolder;
-    ZEN_COM_CHECK(::SHGetDesktopFolder(desktopFolder.init())); //throw SysError
-
-    PIDLIST_RELATIVE pidlFolder = nullptr;
-    ZEN_COM_CHECK(desktopFolder->ParseDisplayName(nullptr,     // [in]       HWND hwnd,
-                                                  nullptr,     // [in]       IBindCtx *pbc,
-                                                  const_cast<LPWSTR>(dirname), // [in]       LPWSTR pszDisplayName,
-                                                  nullptr,     // [out]      ULONG *pchEaten,
-                                                  &pidlFolder, // [out]      PIDLIST_RELATIVE* ppidl,
-                                                  nullptr));   // [in, out]  ULONG *pdwAttributes
-    ZEN_ON_SCOPE_EXIT(::ILFree(pidlFolder)); //older version: ::CoTaskMemFree
-
-    ComPtr<IPersist> persistFolder;
-    ZEN_COM_CHECK(desktopFolder->BindToObject(pidlFolder, // [in]   PCUIDLIST_RELATIVE pidl,
-                                              nullptr,    // [in]   IBindCtx *pbc,
-                                              IID_PPV_ARGS(persistFolder.init()))); //throw SysError
-
-    ZEN_COM_CHECK(persistFolder->GetClassID(&pathCLSID)); //throw SysError
-}
-
-
-std::vector<std::wstring> getLockingProcesses(const wchar_t* filename) //throw SysError
-{
-    DWORD sessionHandle = 0;
-    {
-        wchar_t sessionKey[CCH_RM_SESSION_KEY + 1] = {}; //fixes two bugs: http://blogs.msdn.com/b/oldnewthing/archive/2012/02/17/10268840.aspx
-        DWORD rv1 = ::RmStartSession(&sessionHandle, //__out       DWORD *pSessionHandle,
-                                     0,              //__reserved  DWORD dwSessionFlags,
-                                     sessionKey);    //__out       WCHAR strSessionKey[ ]
-        if (rv1 != ERROR_SUCCESS)
-            throw SysError(formatSystemError(L"RmStartSession", rv1));
-    }
-    ZEN_ON_SCOPE_EXIT(::RmEndSession(sessionHandle));
-
-    {
-        DWORD rv2 = ::RmRegisterResources(sessionHandle, //__in      DWORD dwSessionHandle,
-                                          1,             //__in      UINT nFiles,
-                                          &filename,     //__in_opt  LPCWSTR rgsFilenames[ ],
-                                          0,             //__in      UINT nApplications,
-                                          nullptr,       //__in_opt  RM_UNIQUE_PROCESS rgApplications[ ],
-                                          0,             //__in      UINT nServices,
-                                          nullptr);      //__in_opt  LPCWSTR rgsServiceNames[ ]
-        if (rv2 != ERROR_SUCCESS)
-            throw SysError(formatSystemError(L"RmRegisterResources", rv2));
-    }
-
-    std::vector<RM_PROCESS_INFO> procInfo;
-    {
-        UINT procInfoSize       = 0;
-        UINT procInfoSizeNeeded = 0;
-        DWORD rebootReasons     = 0;
-        DWORD rv3 = ::RmGetList(sessionHandle, &procInfoSizeNeeded, &procInfoSize, nullptr, &rebootReasons); //get procInfoSizeNeeded
-        if (rv3 == ERROR_SUCCESS)
-            return std::vector<std::wstring>();
-        if (rv3 != ERROR_MORE_DATA)
-            throw SysError(formatSystemError(L"RmGetList", rv3));
-        //C:\pagefile.sys fails with ERROR_SHARING_VIOLATION!
-
-        if (procInfoSizeNeeded == 0)
-            return std::vector<std::wstring>();
-
-        procInfoSize = procInfoSizeNeeded;
-        procInfo.resize(procInfoSizeNeeded);
-
-        rv3 = ::RmGetList(sessionHandle,       //__in         DWORD dwSessionHandle,
-                          &procInfoSizeNeeded, //__out        UINT *pnProcInfoNeeded,
-                          &procInfoSize,       //__inout      UINT *pnProcInfo,
-                          &procInfo[0],        //__inout_opt  RM_PROCESS_INFO rgAffectedApps[ ],
-                          &rebootReasons);     //__out        LPDWORD lpdwRebootReasons
-        if (rv3 != ERROR_SUCCESS)
-            throw SysError(formatSystemError(L"RmGetList", rv3));
-        procInfo.resize(procInfoSize);
-    }
-
-    std::vector<std::wstring> output;
-    for (auto iter = procInfo.begin(); iter != procInfo.end(); ++iter)
-    {
-        std::wstring processName = iter->strAppName;
-
-        //try to get process path
-        HANDLE hProcess = ::OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, //__in  DWORD dwDesiredAccess,
-                                        false,                             //__in  BOOL bInheritHandle,
-                                        iter->Process.dwProcessId);        //__in  DWORD dwProcessId
-        if (hProcess)
-        {
-            ZEN_ON_SCOPE_EXIT(::CloseHandle(hProcess));
-
-            FILETIME creationTime = {};
-            FILETIME exitTime     = {};
-            FILETIME kernelTime   = {};
-            FILETIME userTime     = {};
-            if (::GetProcessTimes(hProcess,      //__in   HANDLE hProcess,
-                                  &creationTime, //__out  LPFILETIME lpCreationTime,
-                                  &exitTime,     //__out  LPFILETIME lpExitTime,
-                                  &kernelTime,   //__out  LPFILETIME lpKernelTime,
-                                  &userTime))    //__out  LPFILETIME lpUserTime
-                if (::CompareFileTime(&iter->Process.ProcessStartTime, &creationTime) == 0)
-                {
-                    DWORD bufferSize = MAX_PATH;
-                    std::vector<wchar_t> buffer(bufferSize);
-                    if (::QueryFullProcessImageName(hProcess,     //__in     HANDLE hProcess,
-                                                    0,            //__in     DWORD dwFlags,
-                                                    &buffer[0],   //__out    LPTSTR lpExeName,
-                                                    &bufferSize)) //__inout  PDWORD lpdwSize
-                        if (bufferSize < buffer.size())
-                            processName += std::wstring(L", ") + L"\"" + &buffer[0] + L"\"";
-                }
-        }
-        output.push_back(processName);
-    }
-    return output;
-}
-
-
-boost::thread_specific_ptr<std::wstring> lastErrorMessage; //use "thread_local" in C++11
-}
-
-
-bool fileop::moveToRecycleBin(const wchar_t* fileNames[],
-                              size_t fileCount,
-                              RecyclerCallback callback,
-                              void* sink)
-{
-    try
-    {
-        ::moveToRecycleBin(fileNames, fileCount, callback, sink); //throw SysError
-        return true;
-    }
-    catch (const SysError& e)
-    {
-        lastErrorMessage.reset(new std::wstring(e.toString()));
-        return false;
-    }
-}
-
-
-bool fileop::copyFile(const wchar_t* sourceFile,
-                      const wchar_t* targetFile)
-{
-    try
-    {
-        ::copyFile(sourceFile, targetFile); //throw SysError
-        return true;
-    }
-    catch (const SysError& e)
-    {
-        lastErrorMessage.reset(new std::wstring(e.toString()));
-        return false;
-    }
-}
-
-
-bool fileop::checkRecycler(const wchar_t* dirname, bool& isRecycler)
-{
-    try
-    {
-        CLSID clsid = {};
-        getFolderClsid(dirname, clsid); //throw SysError
-        isRecycler = ::IsEqualCLSID(clsid, CLSID_RecycleBin) == TRUE; //silence perf warning
-        return true;
-    }
-    catch (const SysError& e)
-    {
-        lastErrorMessage.reset(new std::wstring(e.toString()));
-        return false;
-    }
-}
-
-
-const wchar_t* fileop::getLastError()
-{
-    return !lastErrorMessage.get() ? L"" : lastErrorMessage->c_str();
-}
-
-
-bool fileop::getLockingProcesses(const wchar_t* filename, const wchar_t*& procList)
-{
-    try
-    {
-        std::vector<std::wstring> processes = ::getLockingProcesses(filename); //throw SysError
-
-        std::wstring buffer;
-        std::for_each(processes.begin(), processes.end(), [&](const std::wstring& proc) { buffer += proc; buffer += L'\n'; });
-        if (!processes.empty())
-            buffer.resize(buffer.size() - 1); //remove last line break
-
-        auto tmp = new wchar_t [buffer.size() + 1]; //bad_alloc ?
-        ::wmemcpy(tmp, buffer.c_str(), buffer.size() + 1); //include 0-termination
-        procList = tmp; //ownership passed
-
-        return true;
-    }
-    catch (const SysError& e)
-    {
-        lastErrorMessage.reset(new std::wstring(e.toString()));
-        return false;
-    }
-}
-
-
-void fileop::freeString(const wchar_t* str)
-{
-    delete [] str;
-}