Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1794 insertions, 0 deletions

diff --git a/sal/osl/w32/file_dirvol.cxx b/sal/osl/w32/file_dirvol.cxx
new file mode 100644
index 000000000..d581e1536
--- /dev/null
+++ b/sal/osl/w32/file_dirvol.cxx
@@ -0,0 +1,1794 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <systools/win32/uwinapi.h>
+
+#include "file_url.hxx"
+#include "filetime.hxx"
+#include "file_error.hxx"
+
+#include "path_helper.hxx"
+
+#include <rtl/alloc.h>
+#include <rtl/ustring.hxx>
+#include <rtl/character.hxx>
+#include <sal/log.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+static const wchar_t UNC_PREFIX[] = L"\\\\";
+static const wchar_t BACKSLASH = '\\';
+static const wchar_t SLASH = '/';
+
+BOOL TimeValueToFileTime(const TimeValue *cpTimeVal, FILETIME *pFTime)
+{
+    SYSTEMTIME  BaseSysTime;
+    FILETIME    BaseFileTime;
+    FILETIME    FTime;
+    bool        fSuccess = false;
+
+    BaseSysTime.wYear         = 1970;
+    BaseSysTime.wMonth        = 1;
+    BaseSysTime.wDayOfWeek    = 0;
+    BaseSysTime.wDay          = 1;
+    BaseSysTime.wHour         = 0;
+    BaseSysTime.wMinute       = 0;
+    BaseSysTime.wSecond       = 0;
+    BaseSysTime.wMilliseconds = 0;
+
+    if (cpTimeVal==nullptr)
+        return fSuccess;
+
+    if ( SystemTimeToFileTime(&BaseSysTime, &BaseFileTime) )
+    {
+        __int64 timeValue;
+
+        __int64 localTime = cpTimeVal->Seconds*__int64(10000000)+cpTimeVal->Nanosec/100;
+        osl::detail::setFiletime(FTime, localTime);
+        fSuccess = 0 <= (timeValue= osl::detail::getFiletime(BaseFileTime) + osl::detail::getFiletime(FTime));
+        if (fSuccess)
+            osl::detail::setFiletime(*pFTime, timeValue);
+    }
+    return fSuccess;
+}
+
+BOOL FileTimeToTimeValue(const FILETIME *cpFTime, TimeValue *pTimeVal)
+{
+    SYSTEMTIME  BaseSysTime;
+    FILETIME    BaseFileTime;
+    bool        fSuccess = false;   /* Assume failure */
+
+    BaseSysTime.wYear         = 1970;
+    BaseSysTime.wMonth        = 1;
+    BaseSysTime.wDayOfWeek    = 0;
+    BaseSysTime.wDay          = 1;
+    BaseSysTime.wHour         = 0;
+    BaseSysTime.wMinute       = 0;
+    BaseSysTime.wSecond       = 0;
+    BaseSysTime.wMilliseconds = 0;
+
+    if ( SystemTimeToFileTime(&BaseSysTime, &BaseFileTime) )
+    {
+        __int64     Value;
+
+        fSuccess = 0 <= (Value = osl::detail::getFiletime(*cpFTime) - osl::detail::getFiletime(BaseFileTime));
+
+        if ( fSuccess )
+        {
+            pTimeVal->Seconds  = static_cast<unsigned long>(Value / 10000000L);
+            pTimeVal->Nanosec  = static_cast<unsigned long>((Value % 10000000L) * 100);
+        }
+    }
+    return fSuccess;
+}
+
+namespace
+{
+
+    struct Component
+    {
+        Component() :
+            begin_(nullptr), end_(nullptr)
+        {}
+
+        bool isPresent() const
+        { return (static_cast<sal_IntPtr>(end_ - begin_) > 0); }
+
+        const sal_Unicode* begin_;
+        const sal_Unicode* end_;
+    };
+
+    struct UNCComponents
+    {
+        Component server_;
+        Component share_;
+        Component resource_;
+    };
+
+    bool is_UNC_path(const sal_Unicode* path)
+    { return (0 == wcsncmp(UNC_PREFIX, o3tl::toW(path), SAL_N_ELEMENTS(UNC_PREFIX) - 1)); }
+
+    void parse_UNC_path(const sal_Unicode* path, UNCComponents* puncc)
+    {
+        OSL_PRECOND(is_UNC_path(path), "Precondition violated: No UNC path");
+        OSL_PRECOND(rtl_ustr_indexOfChar(path, SLASH) == -1, "Path must not contain slashes");
+
+        const sal_Unicode* pend = path + rtl_ustr_getLength(path);
+        const sal_Unicode* ppos = path + 2;
+
+        puncc->server_.begin_ = ppos;
+        while ((ppos < pend) && (*ppos != BACKSLASH))
+            ppos++;
+
+        puncc->server_.end_ = ppos;
+
+        if (BACKSLASH == *ppos)
+        {
+            puncc->share_.begin_ = ++ppos;
+            while ((ppos < pend) && (*ppos != BACKSLASH))
+                ppos++;
+
+            puncc->share_.end_ = ppos;
+
+            if (BACKSLASH == *ppos)
+            {
+                puncc->resource_.begin_ = ++ppos;
+                while (ppos < pend)
+                    ppos++;
+
+                puncc->resource_.end_ = ppos;
+            }
+        }
+
+        SAL_WARN_IF(!puncc->server_.isPresent() || !puncc->share_.isPresent(),
+            "sal.osl",
+            "Postcondition violated: Invalid UNC path detected");
+    }
+
+    bool has_path_parent(const sal_Unicode* path)
+    {
+        // Has the given path a parent or are we already there,
+        // e.g. 'c:\' or '\\server\share\'?
+
+        bool has_parent = false;
+        if (is_UNC_path(path))
+        {
+            UNCComponents unc_comp;
+            parse_UNC_path(path, &unc_comp);
+            has_parent = unc_comp.resource_.isPresent();
+        }
+        else
+        {
+            has_parent = !osl::systemPathIsLogicalDrivePattern(path);
+        }
+        return has_parent;
+    }
+
+    bool has_path_parent(const OUString& path)
+    { return has_path_parent(path.getStr()); }
+
+}
+
+oslFileError SAL_CALL osl_acquireVolumeDeviceHandle( oslVolumeDeviceHandle Handle )
+{
+    if ( Handle )
+    {
+        rtl_uString_acquire( static_cast<rtl_uString *>(Handle) );
+        return osl_File_E_None;
+    }
+    else
+        return osl_File_E_INVAL;
+}
+
+oslFileError SAL_CALL osl_releaseVolumeDeviceHandle( oslVolumeDeviceHandle Handle )
+{
+    if ( Handle )
+    {
+        rtl_uString_release( static_cast<rtl_uString *>(Handle) );
+        return osl_File_E_None;
+    }
+    else
+        return osl_File_E_INVAL;
+}
+
+oslFileError SAL_CALL osl_getVolumeDeviceMountPath( oslVolumeDeviceHandle Handle, rtl_uString **pstrPath )
+{
+    if ( Handle && pstrPath )
+    {
+        rtl_uString_assign( pstrPath, static_cast<rtl_uString *>(Handle) );
+        return osl_File_E_None;
+    }
+    else
+        return osl_File_E_INVAL;
+}
+
+#define DIRECTORYITEM_DRIVE     0
+#define DIRECTORYITEM_FILE      1
+#define DIRECTORYITEM_SERVER    2
+
+namespace {
+
+struct DirectoryItem_Impl
+{
+    UINT uType;
+    union {
+        WIN32_FIND_DATAW FindData;
+        WCHAR            cDriveString[MAX_PATH];
+    };
+    rtl_uString*    m_pFullPath;
+    bool            bFullPathNormalized;
+    int             nRefCount;
+};
+
+}
+
+#define DIRECTORYTYPE_LOCALROOT     0
+#define DIRECTORYTYPE_NETROOT       1
+#define DIRECTORYTYPE_FILESYSTEM    3
+
+namespace {
+
+struct Directory_Impl
+{
+    UINT uType;
+    union {
+        HANDLE  hDirectory;
+        HANDLE  hEnumDrives;
+    };
+    rtl_uString*    m_pDirectoryPath;
+};
+
+typedef struct tagDRIVEENUM
+{
+    LPCWSTR lpIdent;
+    WCHAR   cBuffer[/*('Z' - 'A' + 1) * sizeof("A:\\") + 1*/256];
+    LPCWSTR lpCurrent;
+} DRIVEENUM, * PDRIVEENUM, FAR * LPDRIVEENUM;
+
+}
+
+static HANDLE WINAPI OpenLogicalDrivesEnum()
+{
+    LPDRIVEENUM pEnum = static_cast<LPDRIVEENUM>(HeapAlloc( GetProcessHeap(), 0, sizeof(DRIVEENUM) ));
+    if ( pEnum )
+    {
+        DWORD dwNumCopied = GetLogicalDriveStringsW( SAL_N_ELEMENTS(pEnum->cBuffer) - 1, pEnum->cBuffer );
+
+        if ( dwNumCopied && dwNumCopied < SAL_N_ELEMENTS(pEnum->cBuffer) )
+        {
+            pEnum->lpCurrent = pEnum->cBuffer;
+            pEnum->lpIdent = L"tagDRIVEENUM";
+        }
+        else
+        {
+            HeapFree( GetProcessHeap(), 0, pEnum );
+            pEnum = nullptr;
+        }
+    }
+    return pEnum ? static_cast<HANDLE>(pEnum) : INVALID_HANDLE_VALUE;
+}
+
+static bool WINAPI EnumLogicalDrives(HANDLE hEnum, LPWSTR lpBuffer)
+{
+    bool        fSuccess = false;
+    LPDRIVEENUM pEnum = static_cast<LPDRIVEENUM>(hEnum);
+
+    if ( pEnum )
+    {
+        int nLen = wcslen( pEnum->lpCurrent );
+
+        if ( nLen )
+        {
+            CopyMemory( lpBuffer, pEnum->lpCurrent, (nLen + 1) * sizeof(WCHAR) );
+            pEnum->lpCurrent += nLen + 1;
+            fSuccess = true;
+        }
+        else
+            SetLastError( ERROR_NO_MORE_FILES );
+    }
+    else
+        SetLastError( ERROR_INVALID_HANDLE );
+
+    return fSuccess;
+}
+
+static bool WINAPI CloseLogicalDrivesEnum(HANDLE hEnum)
+{
+    bool        fSuccess = false;
+    LPDRIVEENUM pEnum = static_cast<LPDRIVEENUM>(hEnum);
+
+    if ( pEnum )
+    {
+        HeapFree( GetProcessHeap(), 0, pEnum );
+        fSuccess = true;
+    }
+    else
+        SetLastError( ERROR_INVALID_HANDLE );
+
+    return fSuccess;
+}
+
+namespace {
+
+typedef struct tagDIRECTORY
+{
+    HANDLE           hFind;
+    WIN32_FIND_DATAW aFirstData;
+} DIRECTORY, *PDIRECTORY, FAR *LPDIRECTORY;
+
+}
+
+static HANDLE WINAPI OpenDirectory( rtl_uString* pPath)
+{
+    LPDIRECTORY pDirectory = nullptr;
+
+    if ( pPath )
+    {
+        sal_uInt32 nLen = rtl_uString_getLength( pPath );
+        if ( nLen )
+        {
+            const WCHAR* pSuffix = nullptr;
+            sal_uInt32 nSuffLen = 0;
+
+            if ( pPath->buffer[nLen - 1] != L'\\' )
+            {
+                pSuffix = L"\\*.*";
+                nSuffLen = 4;
+            }
+            else
+            {
+                pSuffix = L"*.*";
+                nSuffLen = 3;
+            }
+
+            WCHAR* szFileMask = static_cast< WCHAR* >( malloc( sizeof( WCHAR ) * ( nLen + nSuffLen + 1 ) ) );
+            assert(szFileMask); // Don't handle OOM conditions
+            wcscpy( szFileMask, o3tl::toW(rtl_uString_getStr( pPath )) );
+            wcscat( szFileMask, pSuffix );
+
+            pDirectory = static_cast<LPDIRECTORY>(HeapAlloc(GetProcessHeap(), 0, sizeof(DIRECTORY)));
+            assert(pDirectory); // Don't handle OOM conditions
+            pDirectory->hFind = FindFirstFileW(szFileMask, &pDirectory->aFirstData);
+
+            if (!IsValidHandle(pDirectory->hFind))
+            {
+                if ( GetLastError() != ERROR_NO_MORE_FILES )
+                {
+                    HeapFree(GetProcessHeap(), 0, pDirectory);
+                    pDirectory = nullptr;
+                }
+            }
+            free(szFileMask);
+        }
+    }
+
+    return static_cast<HANDLE>(pDirectory);
+}
+
+static bool WINAPI EnumDirectory(HANDLE hDirectory, LPWIN32_FIND_DATAW pFindData)
+{
+    bool        fSuccess = false;
+    LPDIRECTORY pDirectory = static_cast<LPDIRECTORY>(hDirectory);
+
+    if ( pDirectory )
+    {
+        bool    fValid;
+
+        do
+        {
+            if ( pDirectory->aFirstData.cFileName[0] )
+            {
+                *pFindData = pDirectory->aFirstData;
+                fSuccess = true;
+                pDirectory->aFirstData.cFileName[0] = 0;
+            }
+            else if ( IsValidHandle( pDirectory->hFind ) )
+                fSuccess = FindNextFileW( pDirectory->hFind, pFindData );
+            else
+            {
+                fSuccess = false;
+                SetLastError( ERROR_NO_MORE_FILES );
+            }
+
+            fValid = fSuccess && wcscmp( L".", pFindData->cFileName ) != 0 && wcscmp( L"..", pFindData->cFileName ) != 0;
+
+        } while( fSuccess && !fValid );
+    }
+    else
+        SetLastError( ERROR_INVALID_HANDLE );
+
+    return fSuccess;
+}
+
+static bool WINAPI CloseDirectory(HANDLE hDirectory)
+{
+    bool        fSuccess = false;
+    LPDIRECTORY pDirectory = static_cast<LPDIRECTORY>(hDirectory);
+
+    if (pDirectory)
+    {
+        if (IsValidHandle(pDirectory->hFind))
+            fSuccess = FindClose(pDirectory->hFind);
+
+        fSuccess = HeapFree(GetProcessHeap(), 0, pDirectory) && fSuccess;
+    }
+    else
+        SetLastError(ERROR_INVALID_HANDLE);
+
+    return fSuccess;
+}
+
+static oslFileError osl_openLocalRoot(
+    rtl_uString *strDirectoryPath, oslDirectory *pDirectory)
+{
+    rtl_uString     *strSysPath = nullptr;
+    oslFileError    error;
+
+    if ( !pDirectory )
+        return osl_File_E_INVAL;
+
+    *pDirectory = nullptr;
+
+    error = osl_getSystemPathFromFileURL_( strDirectoryPath, &strSysPath, false );
+    if ( osl_File_E_None == error )
+    {
+        Directory_Impl  *pDirImpl;
+
+        pDirImpl = static_cast<Directory_Impl*>(malloc( sizeof(Directory_Impl)));
+        assert(pDirImpl); // Don't handle OOM conditions
+        ZeroMemory( pDirImpl, sizeof(Directory_Impl) );
+        rtl_uString_newFromString( &pDirImpl->m_pDirectoryPath, strSysPath );
+
+        /* Append backslash if necessary */
+
+        /* @@@ToDo
+           use function ensure backslash
+        */
+        sal_uInt32 nLen = rtl_uString_getLength( pDirImpl->m_pDirectoryPath );
+        if ( nLen && pDirImpl->m_pDirectoryPath->buffer[nLen - 1] != L'\\' )
+        {
+            rtl_uString* pCurDir = nullptr;
+            rtl_uString* pBackSlash = nullptr;
+
+            rtl_uString_assign( &pCurDir, pDirImpl->m_pDirectoryPath );
+            rtl_uString_newFromAscii( &pBackSlash, "\\" );
+            rtl_uString_newConcat( &pDirImpl->m_pDirectoryPath, pCurDir, pBackSlash );
+            rtl_uString_release( pBackSlash );
+            rtl_uString_release( pCurDir );
+        }
+
+        pDirImpl->uType = DIRECTORYTYPE_LOCALROOT;
+        pDirImpl->hEnumDrives = OpenLogicalDrivesEnum();
+
+        /* @@@ToDo
+           Use IsValidHandle(...)
+        */
+        if ( pDirImpl->hEnumDrives != INVALID_HANDLE_VALUE )
+        {
+            *pDirectory = static_cast<oslDirectory>(pDirImpl);
+            error = osl_File_E_None;
+        }
+        else
+        {
+            if ( pDirImpl )
+            {
+                if ( pDirImpl->m_pDirectoryPath )
+                {
+                    rtl_uString_release( pDirImpl->m_pDirectoryPath );
+                    pDirImpl->m_pDirectoryPath = nullptr;
+                }
+
+                free(pDirImpl);
+                pDirImpl = nullptr;
+            }
+
+            error = oslTranslateFileError( GetLastError() );
+        }
+
+        rtl_uString_release( strSysPath );
+    }
+    return error;
+}
+
+static oslFileError osl_openFileDirectory(
+    rtl_uString *strDirectoryPath, oslDirectory *pDirectory)
+{
+    oslFileError error = osl_File_E_None;
+
+    if ( !pDirectory )
+        return osl_File_E_INVAL;
+    *pDirectory = nullptr;
+
+    Directory_Impl *pDirImpl = static_cast<Directory_Impl*>(malloc(sizeof(Directory_Impl)));
+    assert(pDirImpl); // Don't handle OOM conditions
+    ZeroMemory( pDirImpl, sizeof(Directory_Impl) );
+    rtl_uString_newFromString( &pDirImpl->m_pDirectoryPath, strDirectoryPath );
+
+    /* Append backslash if necessary */
+
+    /* @@@ToDo
+       use function ensure backslash
+    */
+    sal_uInt32 nLen = rtl_uString_getLength( pDirImpl->m_pDirectoryPath );
+    if ( nLen && pDirImpl->m_pDirectoryPath->buffer[nLen - 1] != L'\\' )
+    {
+        rtl_uString* pCurDir = nullptr;
+        rtl_uString* pBackSlash = nullptr;
+
+        rtl_uString_assign( &pCurDir, pDirImpl->m_pDirectoryPath );
+        rtl_uString_newFromAscii( &pBackSlash, "\\" );
+        rtl_uString_newConcat( &pDirImpl->m_pDirectoryPath, pCurDir, pBackSlash );
+        rtl_uString_release( pBackSlash );
+        rtl_uString_release( pCurDir );
+    }
+
+    pDirImpl->uType = DIRECTORYTYPE_FILESYSTEM;
+    pDirImpl->hDirectory = OpenDirectory( pDirImpl->m_pDirectoryPath );
+
+    if ( !pDirImpl->hDirectory )
+    {
+        error = oslTranslateFileError( GetLastError() );
+
+        if ( pDirImpl->m_pDirectoryPath )
+        {
+            rtl_uString_release( pDirImpl->m_pDirectoryPath );
+            pDirImpl->m_pDirectoryPath = nullptr;
+        }
+
+        free(pDirImpl);
+        pDirImpl = nullptr;
+    }
+
+    *pDirectory = static_cast<oslDirectory>(pDirImpl);
+    return error;
+}
+
+static oslFileError osl_openNetworkServer(
+    rtl_uString *strSysDirPath, oslDirectory *pDirectory)
+{
+    NETRESOURCEW    aNetResource;
+    HANDLE          hEnum;
+    DWORD           dwError;
+
+    ZeroMemory( &aNetResource, sizeof(aNetResource) );
+
+    aNetResource.lpRemoteName = o3tl::toW(strSysDirPath->buffer);
+
+    dwError = WNetOpenEnumW(
+        RESOURCE_GLOBALNET,
+        RESOURCETYPE_DISK,
+        RESOURCEUSAGE_CONNECTABLE | RESOURCEUSAGE_CONTAINER,
+        &aNetResource,
+        &hEnum );
+
+    if ( ERROR_SUCCESS == dwError )
+    {
+        Directory_Impl  *pDirImpl;
+
+        pDirImpl = static_cast<Directory_Impl*>(malloc(sizeof(Directory_Impl)));
+        assert(pDirImpl); // Don't handle OOM conditions
+        ZeroMemory( pDirImpl, sizeof(Directory_Impl) );
+        pDirImpl->uType = DIRECTORYTYPE_NETROOT;
+        pDirImpl->hDirectory = hEnum;
+        *pDirectory = static_cast<oslDirectory>(pDirImpl);
+    }
+    return oslTranslateFileError( dwError );
+}
+
+static DWORD create_dir_with_callback(
+    rtl_uString * dir_path,
+    oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc,
+    void* pData)
+{
+    // Create the specified directory and call the
+    // user specified callback function. On success
+    // the function returns ERROR_SUCCESS else a Win32 error code.
+
+    bool bCreated = CreateDirectoryW( o3tl::toW(rtl_uString_getStr( dir_path )), nullptr );
+
+    if ( bCreated )
+    {
+        if (aDirectoryCreationCallbackFunc)
+        {
+            OUString url;
+            osl_getFileURLFromSystemPath(dir_path, &(url.pData));
+            aDirectoryCreationCallbackFunc(pData, url.pData);
+        }
+        return ERROR_SUCCESS;
+    }
+    return GetLastError();
+}
+
+static int path_make_parent(sal_Unicode* path)
+{
+    /*  Cut off the last part of the given path to
+    get the parent only, e.g. 'c:\dir\subdir' ->
+    'c:\dir' or '\\share\sub\dir' -> '\\share\sub'
+    @return The position where the path has been cut
+    off (this is the position of the last backslash).
+    If there are no more parents 0 will be returned,
+    e.g. 'c:\' or '\\Share' have no more parents */
+
+    OSL_PRECOND(rtl_ustr_indexOfChar(path, SLASH) == -1, "Path must not contain slashes");
+    OSL_PRECOND(has_path_parent(path), "Path must have a parent");
+
+    sal_Unicode* pos_last_backslash = path + rtl_ustr_lastIndexOfChar(path, BACKSLASH);
+    *pos_last_backslash = 0;
+    return (pos_last_backslash - path);
+}
+
+static DWORD create_dir_recursively_(
+    rtl_uString * dir_path,
+    oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc,
+    void* pData)
+{
+    OSL_PRECOND(
+        rtl_ustr_lastIndexOfChar_WithLength(dir_path->buffer, dir_path->length, BACKSLASH) != dir_path->length,
+        "Path must not end with a backslash");
+
+    DWORD w32_error = create_dir_with_callback(
+        dir_path, aDirectoryCreationCallbackFunc, pData);
+    if (w32_error == ERROR_SUCCESS)
+        return ERROR_SUCCESS;
+
+    if ((w32_error != ERROR_PATH_NOT_FOUND) || !has_path_parent(dir_path->buffer))
+        return w32_error;
+
+    int pos = path_make_parent(dir_path->buffer); // dir_path->buffer[pos] = 0, restore below
+
+    w32_error = create_dir_recursively_(
+        dir_path, aDirectoryCreationCallbackFunc, pData);
+
+    dir_path->buffer[pos] = BACKSLASH; // restore
+
+    if (ERROR_SUCCESS != w32_error && ERROR_ALREADY_EXISTS != w32_error)
+        return w32_error;
+
+    return create_dir_recursively_(dir_path, aDirectoryCreationCallbackFunc, pData);
+}
+
+oslFileError SAL_CALL osl_createDirectoryPath(
+    rtl_uString* aDirectoryUrl,
+    oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc,
+    void* pData)
+{
+    if (aDirectoryUrl == nullptr)
+        return osl_File_E_INVAL;
+
+    OUString sys_path;
+    oslFileError osl_error =
+        osl_getSystemPathFromFileURL_(aDirectoryUrl, &sys_path.pData, false);
+
+    if (osl_error != osl_File_E_None)
+        return osl_error;
+
+    osl::systemPathRemoveSeparator(sys_path);
+
+    // const_cast because sys_path is a local copy
+    // which we want to modify inplace instead of
+    // copy it into another buffer on the heap again
+    return oslTranslateFileError(create_dir_recursively_(
+        sys_path.pData, aDirectoryCreationCallbackFunc, pData));
+}
+
+oslFileError SAL_CALL osl_createDirectory(rtl_uString* strPath)
+{
+    return osl_createDirectoryWithFlags(
+        strPath, osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+}
+
+oslFileError osl_createDirectoryWithFlags(rtl_uString * strPath, sal_uInt32)
+{
+    rtl_uString *strSysPath = nullptr;
+    oslFileError    error = osl_getSystemPathFromFileURL_( strPath, &strSysPath, false );
+
+    if ( osl_File_E_None == error )
+    {
+        bool bCreated = CreateDirectoryW( o3tl::toW(rtl_uString_getStr( strSysPath )), nullptr );
+
+        if ( !bCreated )
+        {
+            /*@@@ToDo
+              The following case is a hack because the ucb or the webtop had some
+              problems with the error code that CreateDirectory returns in
+              case the path is only a logical drive, should be removed!
+            */
+
+            const sal_Unicode   *pBuffer = rtl_uString_getStr( strSysPath );
+            sal_Int32           nLen = rtl_uString_getLength( strSysPath );
+
+            if (
+                ( ( pBuffer[0] >= 'A' && pBuffer[0] <= 'Z' ) ||
+                  ( pBuffer[0] >= 'a' && pBuffer[0] <= 'z' ) ) &&
+                pBuffer[1] == ':' && ( nLen ==2 || ( nLen == 3 && pBuffer[2] == '\\' ) )
+                )
+                SetLastError( ERROR_ALREADY_EXISTS );
+
+            error = oslTranslateFileError( GetLastError() );
+        }
+
+        rtl_uString_release( strSysPath );
+    }
+    return error;
+}
+
+oslFileError SAL_CALL osl_removeDirectory(rtl_uString* strPath)
+{
+    rtl_uString *strSysPath = nullptr;
+    oslFileError    error = osl_getSystemPathFromFileURL_( strPath, &strSysPath, false );
+
+    if ( osl_File_E_None == error )
+    {
+        if ( RemoveDirectoryW( o3tl::toW(rtl_uString_getStr( strSysPath ) )) )
+            error = osl_File_E_None;
+        else
+            error = oslTranslateFileError( GetLastError() );
+
+        rtl_uString_release( strSysPath );
+    }
+    return error;
+}
+
+oslFileError SAL_CALL osl_openDirectory(rtl_uString *strDirectoryPath, oslDirectory *pDirectory)
+{
+    oslFileError    error;
+
+    if ( 0 == rtl_ustr_ascii_compareIgnoreAsciiCase( strDirectoryPath->buffer, "file:///" ) )
+        error = osl_openLocalRoot( strDirectoryPath, pDirectory );
+    else
+    {
+        rtl_uString *strSysDirectoryPath = nullptr;
+        DWORD       dwPathType;
+
+        error = osl_getSystemPathFromFileURL_( strDirectoryPath, &strSysDirectoryPath, false );
+
+        if ( osl_File_E_None != error )
+                return error;
+
+        dwPathType = IsValidFilePath( strSysDirectoryPath, VALIDATEPATH_NORMAL, nullptr );
+
+        if ( dwPathType & PATHTYPE_IS_SERVER )
+        {
+            error = osl_openNetworkServer( strSysDirectoryPath, pDirectory );
+        }
+        else
+            error = osl_openFileDirectory( strSysDirectoryPath, pDirectory );
+
+        rtl_uString_release( strSysDirectoryPath );
+    }
+    return error;
+}
+
+static oslFileError osl_getNextNetResource(
+    oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 /*uHint*/ )
+{
+    Directory_Impl      *pDirImpl = static_cast<Directory_Impl *>(Directory);
+    DirectoryItem_Impl  *pItemImpl = nullptr;
+    BYTE                buffer[16384];
+    LPNETRESOURCEW      lpNetResource = reinterpret_cast<LPNETRESOURCEW>(buffer);
+    DWORD               dwError, dwCount, dwBufSize;
+
+    if ( !pItem )
+        return osl_File_E_INVAL;
+    *pItem = nullptr;
+
+    if ( !pDirImpl )
+        return osl_File_E_INVAL;
+
+    dwCount = 1;
+    dwBufSize = sizeof(buffer);
+    dwError = WNetEnumResourceW( pDirImpl->hDirectory, &dwCount, lpNetResource, &dwBufSize );
+
+    switch ( dwError )
+    {
+        case NO_ERROR:
+        case ERROR_MORE_DATA:
+        {
+            pItemImpl = static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
+            if ( !pItemImpl )
+                return osl_File_E_NOMEM;
+
+            ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
+            pItemImpl->uType = DIRECTORYITEM_DRIVE;
+            osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) );
+
+            wcscpy( pItemImpl->cDriveString, lpNetResource->lpRemoteName );
+
+            *pItem = pItemImpl;
+        }
+        return osl_File_E_None;
+        case ERROR_NO_MORE_ITEMS:
+            return osl_File_E_NOENT;
+        default:
+            return oslTranslateFileError( dwError );
+    }
+}
+
+static oslFileError osl_getNextDrive(
+    oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 /*uHint*/ )
+{
+    Directory_Impl      *pDirImpl = static_cast<Directory_Impl *>(Directory);
+    DirectoryItem_Impl  *pItemImpl = nullptr;
+    bool                fSuccess;
+
+    if ( !pItem )
+        return osl_File_E_INVAL;
+    *pItem = nullptr;
+
+    if ( !pDirImpl )
+        return osl_File_E_INVAL;
+
+    pItemImpl = static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
+    if ( !pItemImpl )
+        return osl_File_E_NOMEM;
+
+    ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
+    pItemImpl->uType = DIRECTORYITEM_DRIVE;
+    osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) );
+    fSuccess = EnumLogicalDrives( pDirImpl->hEnumDrives, pItemImpl->cDriveString );
+
+    if ( fSuccess )
+    {
+        *pItem = pItemImpl;
+        return osl_File_E_None;
+    }
+    else
+    {
+        if ( pItemImpl->m_pFullPath )
+        {
+            rtl_uString_release( pItemImpl->m_pFullPath );
+            pItemImpl->m_pFullPath = nullptr;
+        }
+
+        free( pItemImpl );
+        return oslTranslateFileError( GetLastError() );
+    }
+}
+
+static oslFileError osl_getNextFileItem(
+    oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 /*uHint*/)
+{
+    Directory_Impl      *pDirImpl = static_cast<Directory_Impl *>(Directory);
+    DirectoryItem_Impl  *pItemImpl = nullptr;
+    bool                fFound;
+
+    if ( !pItem )
+        return osl_File_E_INVAL;
+    *pItem = nullptr;
+
+    if ( !pDirImpl )
+        return osl_File_E_INVAL;
+
+    pItemImpl = static_cast<DirectoryItem_Impl*>(calloc(1, sizeof(DirectoryItem_Impl)));
+    if ( !pItemImpl )
+        return osl_File_E_NOMEM;
+
+    fFound = EnumDirectory( pDirImpl->hDirectory, &pItemImpl->FindData );
+
+    if ( fFound )
+    {
+        pItemImpl->uType = DIRECTORYITEM_FILE;
+        pItemImpl->nRefCount = 1;
+
+        rtl_uString* pTmpFileName = nullptr;
+        rtl_uString_newFromStr( &pTmpFileName, o3tl::toU(pItemImpl->FindData.cFileName) );
+        rtl_uString_newConcat( &pItemImpl->m_pFullPath, pDirImpl->m_pDirectoryPath, pTmpFileName );
+        rtl_uString_release( pTmpFileName );
+
+        pItemImpl->bFullPathNormalized = false;
+        *pItem = static_cast<oslDirectoryItem>(pItemImpl);
+        return osl_File_E_None;
+    }
+    else
+    {
+        if ( pItemImpl->m_pFullPath )
+        {
+            rtl_uString_release( pItemImpl->m_pFullPath );
+            pItemImpl->m_pFullPath = nullptr;
+        }
+
+        free( pItemImpl );
+        return oslTranslateFileError( GetLastError() );
+    }
+}
+
+oslFileError SAL_CALL osl_getNextDirectoryItem(
+    oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 uHint)
+{
+    Directory_Impl      *pDirImpl = static_cast<Directory_Impl *>(Directory);
+
+    /* Assume failure */
+
+    if ( !pItem )
+        return osl_File_E_INVAL;
+    *pItem = nullptr;
+
+    if ( !pDirImpl )
+        return osl_File_E_INVAL;
+
+    switch ( pDirImpl->uType )
+    {
+    case DIRECTORYTYPE_LOCALROOT:
+        return osl_getNextDrive( Directory, pItem, uHint );
+    case DIRECTORYTYPE_NETROOT:
+        return osl_getNextNetResource( Directory, pItem, uHint );
+    case DIRECTORYTYPE_FILESYSTEM:
+        return osl_getNextFileItem( Directory, pItem, uHint );
+    default:
+        return osl_File_E_INVAL;
+    }
+}
+
+oslFileError SAL_CALL osl_closeDirectory(oslDirectory Directory)
+{
+    Directory_Impl  *pDirImpl = static_cast<Directory_Impl *>(Directory);
+    oslFileError    eError = osl_File_E_INVAL;
+
+    if ( pDirImpl )
+    {
+        switch ( pDirImpl->uType )
+        {
+        case DIRECTORYTYPE_FILESYSTEM:
+            eError = CloseDirectory( pDirImpl->hDirectory ) ? osl_File_E_None : oslTranslateFileError( GetLastError() );
+            break;
+        case DIRECTORYTYPE_LOCALROOT:
+            eError = CloseLogicalDrivesEnum( pDirImpl->hEnumDrives ) ? osl_File_E_None : oslTranslateFileError( GetLastError() );
+            break;
+        case DIRECTORYTYPE_NETROOT:
+            {
+                DWORD err = WNetCloseEnum(pDirImpl->hDirectory);
+                eError = (err == NO_ERROR) ? osl_File_E_None : oslTranslateFileError(err);
+            }
+            break;
+        default:
+            OSL_FAIL( "Invalid directory type" );
+            break;
+        }
+
+        if ( pDirImpl->m_pDirectoryPath )
+        {
+            rtl_uString_release( pDirImpl->m_pDirectoryPath );
+            pDirImpl->m_pDirectoryPath = nullptr;
+        }
+
+        free(pDirImpl);
+    }
+    return eError;
+}
+
+namespace {
+
+/* Different types of paths */
+enum PATHTYPE
+{
+    PATHTYPE_SYNTAXERROR = 0,
+    PATHTYPE_NETROOT,
+    PATHTYPE_NETSERVER,
+    PATHTYPE_VOLUME,
+    PATHTYPE_FILE
+};
+
+}
+
+oslFileError SAL_CALL osl_getDirectoryItem(rtl_uString *strFilePath, oslDirectoryItem *pItem)
+{
+    oslFileError    error = osl_File_E_None;
+    rtl_uString*    strSysFilePath = nullptr;
+    PATHTYPE        type = PATHTYPE_FILE;
+    DWORD           dwPathType;
+
+    /* Assume failure */
+
+    if ( !pItem )
+        return osl_File_E_INVAL;
+
+    *pItem = nullptr;
+
+    error = osl_getSystemPathFromFileURL_( strFilePath, &strSysFilePath, false );
+
+    if ( osl_File_E_None != error )
+            return error;
+
+    dwPathType = IsValidFilePath( strSysFilePath, VALIDATEPATH_NORMAL, nullptr );
+
+    if ( dwPathType & PATHTYPE_IS_VOLUME )
+        type = PATHTYPE_VOLUME;
+    else if ( dwPathType & PATHTYPE_IS_SERVER )
+        type = PATHTYPE_NETSERVER;
+    else
+        type = PATHTYPE_FILE;
+
+    switch ( type )
+    {
+    case PATHTYPE_NETSERVER:
+        {
+            DirectoryItem_Impl* pItemImpl =
+                static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
+
+            if ( !pItemImpl )
+                error = osl_File_E_NOMEM;
+
+            if ( osl_File_E_None == error )
+            {
+                ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
+                pItemImpl->uType = DIRECTORYITEM_SERVER;
+
+                osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) );
+                rtl_uString_newFromString( &pItemImpl->m_pFullPath, strSysFilePath );
+
+                // Assign a title anyway
+                {
+                    int iSrc = 2;
+                    int iDst = 0;
+
+                    while( iSrc < strSysFilePath->length && strSysFilePath->buffer[iSrc] && strSysFilePath->buffer[iSrc] != '\\' )
+                    {
+                        pItemImpl->FindData.cFileName[iDst++] = strSysFilePath->buffer[iSrc++];
+                    }
+                }
+
+                *pItem = pItemImpl;
+            }
+        }
+        break;
+    case PATHTYPE_VOLUME:
+        {
+            DirectoryItem_Impl* pItemImpl =
+                static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
+
+            if ( !pItemImpl )
+                error = osl_File_E_NOMEM;
+
+            if ( osl_File_E_None == error )
+            {
+                ZeroMemory( pItemImpl, sizeof(DirectoryItem_Impl) );
+                pItemImpl->uType = DIRECTORYITEM_DRIVE;
+
+                osl_acquireDirectoryItem( static_cast<oslDirectoryItem>(pItemImpl) );
+
+                wcscpy( pItemImpl->cDriveString, o3tl::toW(strSysFilePath->buffer) );
+                pItemImpl->cDriveString[0] = rtl::toAsciiUpperCase( pItemImpl->cDriveString[0] );
+
+                if ( pItemImpl->cDriveString[wcslen(pItemImpl->cDriveString) - 1] != '\\' )
+                    wcscat( pItemImpl->cDriveString, L"\\" );
+
+                *pItem = pItemImpl;
+            }
+        }
+        break;
+    case PATHTYPE_SYNTAXERROR:
+    case PATHTYPE_NETROOT:
+    case PATHTYPE_FILE:
+        {
+            HANDLE              hFind;
+            WIN32_FIND_DATAW     aFindData;
+
+            if ( strSysFilePath->length > 0 && strSysFilePath->buffer[strSysFilePath->length - 1] == '\\' )
+                rtl_uString_newFromStr_WithLength( &strSysFilePath, strSysFilePath->buffer, strSysFilePath->length - 1 );
+
+            hFind = FindFirstFileW( o3tl::toW(rtl_uString_getStr(strSysFilePath)), &aFindData );
+
+            if ( hFind != INVALID_HANDLE_VALUE )
+            {
+                DirectoryItem_Impl  *pItemImpl =
+                    static_cast<DirectoryItem_Impl*>(malloc(sizeof(DirectoryItem_Impl)));
+                if (!pItemImpl)
+                    error = osl_File_E_NOMEM;
+
+                if (osl_File_E_None == error)
+                {
+                    ZeroMemory(pItemImpl, sizeof(DirectoryItem_Impl));
+                    osl_acquireDirectoryItem(static_cast<oslDirectoryItem>(pItemImpl));
+
+                    CopyMemory(&pItemImpl->FindData, &aFindData, sizeof(WIN32_FIND_DATAW));
+                    rtl_uString_newFromString(&pItemImpl->m_pFullPath, strSysFilePath);
+
+                    // MT: This costs 600ms startup time on fast v60x!
+                    // GetCaseCorrectPathName( pItemImpl->szFullPath, pItemImpl->szFullPath, sizeof(pItemImpl->szFullPath) );
+
+                    pItemImpl->uType = DIRECTORYITEM_FILE;
+                    *pItem = pItemImpl;
+                }
+
+                FindClose( hFind );
+            }
+            else
+                error = oslTranslateFileError( GetLastError() );
+        }
+        break;
+    }
+
+    if ( strSysFilePath )
+        rtl_uString_release( strSysFilePath );
+
+    return error;
+}
+
+oslFileError SAL_CALL osl_acquireDirectoryItem( oslDirectoryItem Item )
+{
+    DirectoryItem_Impl  *pItemImpl = static_cast<DirectoryItem_Impl *>(Item);
+
+    if ( !pItemImpl )
+        return osl_File_E_INVAL;
+
+    pItemImpl->nRefCount++;
+    return osl_File_E_None;
+}
+
+oslFileError SAL_CALL osl_releaseDirectoryItem( oslDirectoryItem Item )
+{
+    DirectoryItem_Impl  *pItemImpl = static_cast<DirectoryItem_Impl *>(Item);
+
+    if ( !pItemImpl )
+        return osl_File_E_INVAL;
+
+    if ( ! --pItemImpl->nRefCount )
+    {
+        if ( pItemImpl->m_pFullPath )
+        {
+            rtl_uString_release( pItemImpl->m_pFullPath );
+            pItemImpl->m_pFullPath = nullptr;
+        }
+
+        free( pItemImpl );
+    }
+
+    return osl_File_E_None;
+}
+
+sal_Bool
+SAL_CALL osl_identicalDirectoryItem( oslDirectoryItem a, oslDirectoryItem b)
+{
+    DirectoryItem_Impl *pA = static_cast<DirectoryItem_Impl *>(a);
+    DirectoryItem_Impl *pB = static_cast<DirectoryItem_Impl *>(b);
+    if (a == b)
+        return true;
+    /* same name => same item, unless renaming / moving madness has occurred */
+    if (pA->m_pFullPath == pB->m_pFullPath)
+        return true;
+
+    // FIXME: as/when/if this is used in anger on Windows we could
+    // do better here.
+
+    return false;
+}
+
+static bool is_floppy_A_present()
+{ return (GetLogicalDrives() & 1); }
+
+static bool is_floppy_B_present()
+{ return (GetLogicalDrives() & 2); }
+
+static bool is_floppy_volume_mount_point(const OUString& path)
+{
+    // determines if a volume mount point shows to a floppy
+    // disk by comparing the unique volume names
+    static const LPCWSTR FLOPPY_A = L"A:\\";
+    static const LPCWSTR FLOPPY_B = L"B:\\";
+
+    OUString p(path);
+    osl::systemPathEnsureSeparator(p);
+
+    WCHAR vn[51];
+    if (GetVolumeNameForVolumeMountPointW(o3tl::toW(p.getStr()), vn, SAL_N_ELEMENTS(vn)))
+    {
+        WCHAR vnfloppy[51];
+        if (is_floppy_A_present() &&
+            GetVolumeNameForVolumeMountPointW(FLOPPY_A, vnfloppy, SAL_N_ELEMENTS(vnfloppy)) &&
+            (0 == wcscmp(vn, vnfloppy)))
+            return true;
+
+        if (is_floppy_B_present() &&
+            GetVolumeNameForVolumeMountPointW(FLOPPY_B, vnfloppy, SAL_N_ELEMENTS(vnfloppy)) &&
+            (0 == wcscmp(vn, vnfloppy)))
+            return true;
+    }
+    return false;
+}
+
+static bool is_floppy_drive(const OUString& path)
+{
+    static const LPCWSTR FLOPPY_DRV_LETTERS = L"AaBb";
+
+    // we must take into account that even a floppy
+    // drive may be mounted to a directory so checking
+    // for the drive letter alone is not sufficient
+    // we must compare the unique volume name with
+    // that of the available floppy disks
+
+    const sal_Unicode* pszPath = path.getStr();
+    return ((wcschr(FLOPPY_DRV_LETTERS, pszPath[0]) && (L':' == pszPath[1])) || is_floppy_volume_mount_point(path));
+}
+
+static bool is_volume_mount_point(const OUString& path)
+{
+    OUString p(path);
+    osl::systemPathRemoveSeparator(p);
+
+    bool  is_volume_root = false;
+
+    if (!is_floppy_drive(p))
+    {
+        DWORD fattr = GetFileAttributesW(o3tl::toW(p.getStr()));
+
+        if ((INVALID_FILE_ATTRIBUTES != fattr) &&
+            (FILE_ATTRIBUTE_REPARSE_POINT & fattr))
+        {
+            WIN32_FIND_DATAW find_data;
+            HANDLE h_find = FindFirstFileW(o3tl::toW(p.getStr()), &find_data);
+
+            if (IsValidHandle(h_find) &&
+                (FILE_ATTRIBUTE_REPARSE_POINT & find_data.dwFileAttributes) &&
+                (IO_REPARSE_TAG_MOUNT_POINT == find_data.dwReserved0))
+            {
+                is_volume_root = true;
+            }
+            if (IsValidHandle(h_find))
+                FindClose(h_find);
+        }
+    }
+    return is_volume_root;
+}
+
+static UINT get_volume_mount_point_drive_type(const OUString& path)
+{
+    if (0 == path.getLength())
+        return GetDriveTypeW(nullptr);
+
+    OUString p(path);
+    osl::systemPathEnsureSeparator(p);
+
+    WCHAR vn[51];
+    if (GetVolumeNameForVolumeMountPointW(o3tl::toW(p.getStr()), vn, SAL_N_ELEMENTS(vn)))
+        return GetDriveTypeW(vn);
+
+    return DRIVE_NO_ROOT_DIR;
+}
+
+static bool is_drivetype_request(sal_uInt32 field_mask)
+{
+    return (field_mask & osl_VolumeInfo_Mask_Attributes);
+}
+
+static oslFileError osl_get_drive_type(
+    const OUString& path, oslVolumeInfo* pInfo)
+{
+    // GetDriveType fails on empty volume mount points
+    // see Knowledge Base Q244089
+    UINT drive_type;
+    if (is_volume_mount_point(path))
+        drive_type = get_volume_mount_point_drive_type(path);
+    else
+        drive_type = GetDriveTypeW(o3tl::toW(path.getStr()));
+
+    if (DRIVE_NO_ROOT_DIR == drive_type)
+        return oslTranslateFileError(ERROR_INVALID_DRIVE);
+
+    pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes;
+
+    switch (drive_type)
+    {
+        case DRIVE_CDROM:
+            pInfo->uAttributes |= osl_Volume_Attribute_CompactDisc | osl_Volume_Attribute_Removeable;
+            break;
+        case DRIVE_REMOVABLE:
+            pInfo->uAttributes |= osl_Volume_Attribute_Removeable;
+            if (is_floppy_drive(path))
+                pInfo->uAttributes |= osl_Volume_Attribute_FloppyDisk;
+            break;
+        case DRIVE_FIXED:
+            pInfo->uAttributes |= osl_Volume_Attribute_FixedDisk;
+            break;
+        case DRIVE_RAMDISK:
+            pInfo->uAttributes |= osl_Volume_Attribute_RAMDisk;
+            break;
+        case DRIVE_REMOTE:
+            pInfo->uAttributes |= osl_Volume_Attribute_Remote;
+            break;
+        case DRIVE_UNKNOWN:
+            pInfo->uAttributes = 0;
+            break;
+        default:
+            pInfo->uValidFields &= ~osl_VolumeInfo_Mask_Attributes;
+            pInfo->uAttributes = 0;
+            break;
+    }
+    return osl_File_E_None;
+}
+
+static bool is_volume_space_info_request(sal_uInt32 field_mask)
+{
+    return (field_mask &
+            (osl_VolumeInfo_Mask_TotalSpace |
+             osl_VolumeInfo_Mask_UsedSpace  |
+             osl_VolumeInfo_Mask_FreeSpace));
+}
+
+static void get_volume_space_information(
+    const OUString& path, oslVolumeInfo *pInfo)
+{
+    bool ret = GetDiskFreeSpaceExW(
+        o3tl::toW(path.getStr()),
+        reinterpret_cast<PULARGE_INTEGER>(&pInfo->uFreeSpace),
+        reinterpret_cast<PULARGE_INTEGER>(&pInfo->uTotalSpace),
+        nullptr);
+
+    if (ret)
+    {
+        pInfo->uUsedSpace    = pInfo->uTotalSpace - pInfo->uFreeSpace;
+        pInfo->uValidFields |= osl_VolumeInfo_Mask_TotalSpace |
+            osl_VolumeInfo_Mask_UsedSpace |
+            osl_VolumeInfo_Mask_FreeSpace;
+    }
+}
+
+static bool is_filesystem_attributes_request(sal_uInt32 field_mask)
+{
+    return (field_mask &
+            (osl_VolumeInfo_Mask_MaxNameLength |
+             osl_VolumeInfo_Mask_MaxPathLength |
+             osl_VolumeInfo_Mask_FileSystemName |
+             osl_VolumeInfo_Mask_FileSystemCaseHandling));
+}
+
+static oslFileError get_filesystem_attributes(
+    const OUString& path, sal_uInt32 field_mask, oslVolumeInfo* pInfo)
+{
+    pInfo->uAttributes = 0;
+
+    // osl_get_drive_type must be called first because
+    // this function resets osl_VolumeInfo_Mask_Attributes
+    // on failure
+    if (is_drivetype_request(field_mask))
+    {
+        oslFileError osl_error = osl_get_drive_type(path, pInfo);
+        if (osl_File_E_None != osl_error)
+            return osl_error;
+    }
+    if (is_filesystem_attributes_request(field_mask))
+    {
+        /* the following two parameters can not be longer than MAX_PATH+1 */
+        WCHAR vn[MAX_PATH+1];
+        WCHAR fsn[MAX_PATH+1];
+
+        DWORD serial;
+        DWORD mcl;
+        DWORD flags;
+
+        LPCWSTR pszPath = o3tl::toW(path.getStr());
+        if (GetVolumeInformationW(pszPath, vn, MAX_PATH+1, &serial, &mcl, &flags, fsn, MAX_PATH+1))
+        {
+            // Currently sal does not use this value, instead MAX_PATH is used
+            pInfo->uValidFields   |= osl_VolumeInfo_Mask_MaxNameLength;
+            pInfo->uMaxNameLength  = mcl;
+
+            // Should the uMaxPathLength be set to 32767, "\\?\" prefix allows it
+            pInfo->uValidFields   |= osl_VolumeInfo_Mask_MaxPathLength;
+            pInfo->uMaxPathLength  = MAX_PATH;
+
+            pInfo->uValidFields   |= osl_VolumeInfo_Mask_FileSystemName;
+            rtl_uString_newFromStr(&pInfo->ustrFileSystemName, o3tl::toU(fsn));
+
+            // volumes (even NTFS) will always be considered case
+            // insensitive because the Win32 API is not able to
+            // deal with case sensitive volumes see M$ Knowledge Base
+            // article 100625 that's why we never set the attribute
+            // osl_Volume_Attribute_Case_Sensitive
+
+            if (flags & FS_CASE_IS_PRESERVED)
+                pInfo->uAttributes |= osl_Volume_Attribute_Case_Is_Preserved;
+
+            pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes;
+        }
+    }
+    return osl_File_E_None;
+}
+
+static bool path_get_parent(OUString& path)
+{
+    OSL_PRECOND(path.lastIndexOf(SLASH) == -1, "Path must not have slashes");
+
+    if (!has_path_parent(path))
+    {
+        sal_Int32 i = path.lastIndexOf(BACKSLASH);
+        if (-1 < i)
+        {
+            path = OUString(path.getStr(), i);
+            return true;
+        }
+    }
+    return false;
+}
+
+static void path_travel_to_volume_root(const OUString& system_path, OUString& volume_root)
+{
+    OUString sys_path(system_path);
+
+    while(!is_volume_mount_point(sys_path) && path_get_parent(sys_path))
+        /**/;
+
+    volume_root = sys_path;
+    osl::systemPathEnsureSeparator(volume_root);
+}
+
+oslFileError SAL_CALL osl_getVolumeInformation(
+    rtl_uString *ustrURL, oslVolumeInfo *pInfo, sal_uInt32 uFieldMask )
+{
+    if (!pInfo)
+        return osl_File_E_INVAL;
+
+    OUString system_path;
+    oslFileError error = osl_getSystemPathFromFileURL_(ustrURL, &system_path.pData, false);
+
+    if (osl_File_E_None != error)
+        return error;
+
+    OUString volume_root;
+    path_travel_to_volume_root(system_path, volume_root);
+
+    pInfo->uValidFields = 0;
+
+    if ((error = get_filesystem_attributes(volume_root, uFieldMask, pInfo)) != osl_File_E_None)
+        return error;
+
+    if (is_volume_space_info_request(uFieldMask))
+        get_volume_space_information(volume_root, pInfo);
+
+    if (uFieldMask & osl_VolumeInfo_Mask_DeviceHandle)
+    {
+        error = osl_getFileURLFromSystemPath(volume_root.pData, reinterpret_cast<rtl_uString**>(&pInfo->pDeviceHandle));
+        if (error != osl_File_E_None)
+            return error;
+        pInfo->uValidFields |= osl_VolumeInfo_Mask_DeviceHandle;
+    }
+
+    return osl_File_E_None;
+}
+
+static oslFileError osl_getDriveInfo(
+    oslDirectoryItem Item, oslFileStatus *pStatus, sal_uInt32 uFieldMask)
+{
+    DirectoryItem_Impl  *pItemImpl = static_cast<DirectoryItem_Impl *>(Item);
+    WCHAR               cDrive[3] = L"A:";
+    WCHAR               cRoot[4] = L"A:\\";
+
+    if ( !pItemImpl )
+        return osl_File_E_INVAL;
+
+    pStatus->uValidFields = 0;
+
+    cDrive[0] = pItemImpl->cDriveString[0];
+    cRoot[0] = pItemImpl->cDriveString[0];
+
+    if ( uFieldMask & osl_FileStatus_Mask_FileName )
+    {
+        if ( pItemImpl->cDriveString[0] == '\\' && pItemImpl->cDriveString[1] == '\\' )
+        {
+            LPCWSTR lpFirstBkSlash = wcschr( &pItemImpl->cDriveString[2], '\\' );
+
+            if ( lpFirstBkSlash && lpFirstBkSlash[1] )
+            {
+                LPCWSTR lpLastBkSlash = wcschr( &lpFirstBkSlash[1], '\\' );
+
+                if ( lpLastBkSlash )
+                    rtl_uString_newFromStr_WithLength( &pStatus->ustrFileName, o3tl::toU(&lpFirstBkSlash[1]), lpLastBkSlash - lpFirstBkSlash - 1 );
+                else
+                    rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(&lpFirstBkSlash[1]) );
+                pStatus->uValidFields |= osl_FileStatus_Mask_FileName;
+            }
+        }
+        else switch ( GetDriveTypeW( cRoot ) )
+        {
+            case DRIVE_REMOTE:
+            {
+                WCHAR szBuffer[1024];
+                DWORD const dwBufsizeConst = SAL_N_ELEMENTS(szBuffer);
+                DWORD dwBufsize = dwBufsizeConst;
+
+                DWORD dwResult = WNetGetConnectionW( cDrive, szBuffer, &dwBufsize );
+                if ( NO_ERROR == dwResult )
+                {
+                    WCHAR szFileName[dwBufsizeConst + 16];
+
+                    swprintf( szFileName, L"%s [%s]", cDrive, szBuffer );
+                    rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(szFileName) );
+                }
+                else
+                    rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(cDrive) );
+            }
+            pStatus->uValidFields |= osl_FileStatus_Mask_FileName;
+            break;
+            case DRIVE_FIXED:
+            {
+                WCHAR szVolumeNameBuffer[1024];
+                DWORD const dwBufsizeConst = SAL_N_ELEMENTS(szVolumeNameBuffer);
+
+                if ( GetVolumeInformationW( cRoot, szVolumeNameBuffer, dwBufsizeConst, nullptr, nullptr, nullptr, nullptr, 0 ) )
+                {
+                    WCHAR   szFileName[dwBufsizeConst + 16];
+
+                    swprintf( szFileName, L"%s [%s]", cDrive, szVolumeNameBuffer );
+                    rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(szFileName) );
+                }
+                else
+                    rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(cDrive) );
+            }
+            pStatus->uValidFields |= osl_FileStatus_Mask_FileName;
+            break;
+            case DRIVE_CDROM:
+            case DRIVE_REMOVABLE:
+                pStatus->uValidFields |= osl_FileStatus_Mask_FileName;
+                rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(cRoot) );
+                break;
+            case DRIVE_UNKNOWN:
+            default:
+                break;
+        }
+    }
+
+    pStatus->eType = osl_File_Type_Volume;
+    pStatus->uValidFields |= osl_FileStatus_Mask_Type;
+
+    if ( uFieldMask & osl_FileStatus_Mask_FileURL )
+    {
+        rtl_uString *ustrSystemPath = nullptr;
+
+        rtl_uString_newFromStr( &ustrSystemPath, o3tl::toU(pItemImpl->cDriveString) );
+        oslFileError error = osl_getFileURLFromSystemPath( ustrSystemPath, &pStatus->ustrFileURL );
+        rtl_uString_release( ustrSystemPath );
+        if (error != osl_File_E_None)
+            return error;
+        pStatus->uValidFields |= osl_FileStatus_Mask_FileURL;
+    }
+    return osl_File_E_None;
+}
+
+static oslFileError osl_getServerInfo(
+    oslDirectoryItem Item, oslFileStatus *pStatus, sal_uInt32 uFieldMask )
+{
+    DirectoryItem_Impl  *pItemImpl = static_cast<DirectoryItem_Impl *>(Item);
+    if ( !pItemImpl )
+        return osl_File_E_INVAL;
+
+    pStatus->uValidFields = 0;
+    pStatus->eType = osl_File_Type_Directory;
+    pStatus->uValidFields |= osl_FileStatus_Mask_Type;
+
+    if ( uFieldMask & osl_FileStatus_Mask_FileURL )
+    {
+        oslFileError error = osl_getFileURLFromSystemPath( pItemImpl->m_pFullPath, &pStatus->ustrFileURL );
+        if (error != osl_File_E_None)
+            return error;
+        pStatus->uValidFields |= osl_FileStatus_Mask_FileURL;
+    }
+    return osl_File_E_None;
+}
+
+oslFileError SAL_CALL osl_getFileStatus(
+    oslDirectoryItem Item,
+    oslFileStatus *pStatus,
+    sal_uInt32 uFieldMask )
+{
+    DirectoryItem_Impl  *pItemImpl = static_cast<DirectoryItem_Impl *>(Item);
+
+    if ( !pItemImpl )
+        return osl_File_E_INVAL;
+
+    switch ( pItemImpl->uType  )
+    {
+    case DIRECTORYITEM_DRIVE:
+        return osl_getDriveInfo( Item, pStatus, uFieldMask );
+    case DIRECTORYITEM_SERVER:
+        return osl_getServerInfo( Item, pStatus, uFieldMask );
+    default:
+        break;
+    }
+
+    OUString sFullPath(pItemImpl->m_pFullPath);
+
+    // Prefix long paths, windows API calls expect this prefix
+    // (only local paths starting with something like C: or D:)
+    if (sFullPath.getLength() >= MAX_PATH && isalpha(sFullPath[0]) && sFullPath[1] == ':')
+        sFullPath = "\\\\?\\" + sFullPath;
+
+    if ( uFieldMask & osl_FileStatus_Mask_Validate )
+    {
+        HANDLE  hFind = FindFirstFileW( o3tl::toW(sFullPath.getStr() ), &pItemImpl->FindData );
+
+        if ( hFind != INVALID_HANDLE_VALUE )
+            FindClose( hFind );
+        else
+            return oslTranslateFileError( GetLastError() );
+
+        uFieldMask &= ~ osl_FileStatus_Mask_Validate;
+    }
+
+    /* If no fields to retrieve left ignore pStatus */
+    if ( !uFieldMask )
+        return osl_File_E_None;
+
+    /* Otherwise, this must be a valid pointer */
+    if ( !pStatus )
+        return osl_File_E_INVAL;
+
+    if ( pStatus->uStructSize != sizeof(oslFileStatus) )
+        return osl_File_E_INVAL;
+
+    pStatus->uValidFields = 0;
+
+    /* File time stamps */
+
+    if ( (uFieldMask & osl_FileStatus_Mask_ModifyTime) &&
+        FileTimeToTimeValue( &pItemImpl->FindData.ftLastWriteTime, &pStatus->aModifyTime ) )
+        pStatus->uValidFields |= osl_FileStatus_Mask_ModifyTime;
+
+    if ( (uFieldMask & osl_FileStatus_Mask_AccessTime) &&
+        FileTimeToTimeValue( &pItemImpl->FindData.ftLastAccessTime, &pStatus->aAccessTime ) )
+        pStatus->uValidFields |= osl_FileStatus_Mask_AccessTime;
+
+    if ( (uFieldMask & osl_FileStatus_Mask_CreationTime) &&
+        FileTimeToTimeValue( &pItemImpl->FindData.ftCreationTime, &pStatus->aCreationTime ) )
+        pStatus->uValidFields |= osl_FileStatus_Mask_CreationTime;
+
+    /* Most of the fields are already set, regardless of required fields */
+
+    rtl_uString_newFromStr( &pStatus->ustrFileName, o3tl::toU(pItemImpl->FindData.cFileName) );
+    pStatus->uValidFields |= osl_FileStatus_Mask_FileName;
+
+    if ((FILE_ATTRIBUTE_REPARSE_POINT & pItemImpl->FindData.dwFileAttributes) &&
+        (IO_REPARSE_TAG_MOUNT_POINT == pItemImpl->FindData.dwReserved0))
+        pStatus->eType = osl_File_Type_Volume;
+    else if (pItemImpl->FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+        pStatus->eType = osl_File_Type_Directory;
+    else
+        pStatus->eType = osl_File_Type_Regular;
+
+    pStatus->uValidFields |= osl_FileStatus_Mask_Type;
+
+    pStatus->uAttributes = pItemImpl->FindData.dwFileAttributes;
+    pStatus->uValidFields |= osl_FileStatus_Mask_Attributes;
+
+    pStatus->uFileSize = static_cast<sal_uInt64>(pItemImpl->FindData.nFileSizeLow) + (static_cast<sal_uInt64>(pItemImpl->FindData.nFileSizeHigh) << 32);
+    pStatus->uValidFields |= osl_FileStatus_Mask_FileSize;
+
+    if ( uFieldMask & osl_FileStatus_Mask_LinkTargetURL )
+    {
+        oslFileError error = osl_getFileURLFromSystemPath( sFullPath.pData, &pStatus->ustrLinkTargetURL );
+        if (error != osl_File_E_None)
+            return error;
+
+        pStatus->uValidFields |= osl_FileStatus_Mask_LinkTargetURL;
+    }
+
+    if ( uFieldMask & osl_FileStatus_Mask_FileURL )
+    {
+        if ( !pItemImpl->bFullPathNormalized )
+        {
+            ::osl::LongPathBuffer< sal_Unicode > aBuffer( MAX_LONG_PATH );
+            sal_uInt32 nNewLen = GetCaseCorrectPathName( o3tl::toW( sFullPath.getStr() ),
+                                                         o3tl::toW( aBuffer ),
+                                                         aBuffer.getBufSizeInSymbols(),
+                                                         true );
+
+            if ( nNewLen )
+            {
+                rtl_uString_newFromStr( &pItemImpl->m_pFullPath, aBuffer );
+                sFullPath = OUString( pItemImpl->m_pFullPath );
+                pItemImpl->bFullPathNormalized = true;
+            }
+        }
+
+        oslFileError error = osl_getFileURLFromSystemPath( sFullPath.pData, &pStatus->ustrFileURL );
+        if (error != osl_File_E_None)
+            return error;
+        pStatus->uValidFields |= osl_FileStatus_Mask_FileURL;
+    }
+
+    return osl_File_E_None;
+}
+
+oslFileError SAL_CALL osl_setFileAttributes(
+    rtl_uString *ustrFileURL,
+    sal_uInt64 uAttributes )
+{
+    oslFileError    error;
+    rtl_uString     *ustrSysPath = nullptr;
+    DWORD           dwFileAttributes;
+    bool            fSuccess;
+
+    // Converts the normalized path into a systempath
+    error = osl_getSystemPathFromFileURL_( ustrFileURL, &ustrSysPath, false );
+
+    if ( osl_File_E_None != error )
+        return error;
+
+    dwFileAttributes = GetFileAttributesW( o3tl::toW(rtl_uString_getStr(ustrSysPath)) );
+
+    if ( DWORD(-1) != dwFileAttributes )
+    {
+        dwFileAttributes &= ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN);
+
+        if ( uAttributes & osl_File_Attribute_ReadOnly )
+            dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
+
+        if ( uAttributes & osl_File_Attribute_Hidden )
+            dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN;
+
+        fSuccess = SetFileAttributesW( o3tl::toW(rtl_uString_getStr(ustrSysPath)), dwFileAttributes );
+    }
+    else
+    {
+        fSuccess = false;
+    }
+
+    if ( !fSuccess )
+        error = oslTranslateFileError( GetLastError() );
+
+    rtl_uString_release( ustrSysPath );
+
+    return error;
+}
+
+oslFileError SAL_CALL osl_setFileTime(
+    rtl_uString *filePath,
+    const TimeValue *aCreationTime,
+    const TimeValue *aLastAccessTime,
+    const TimeValue *aLastWriteTime)
+{
+    oslFileError error;
+    rtl_uString *sysPath=nullptr;
+    FILETIME *lpCreationTime=nullptr;
+    FILETIME *lpLastAccessTime=nullptr;
+    FILETIME *lpLastWriteTime=nullptr;
+    FILETIME ftCreationTime;
+    FILETIME ftLastAccessTime;
+    FILETIME ftLastWriteTime;
+    HANDLE hFile;
+    bool fSuccess;
+
+    error=osl_getSystemPathFromFileURL_(filePath, &sysPath, false);
+
+    if (error==osl_File_E_INVAL)
+        return error;
+
+    hFile=CreateFileW(o3tl::toW(rtl_uString_getStr(sysPath)), GENERIC_WRITE, 0, nullptr , OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+    rtl_uString_release(sysPath);
+
+    if (hFile==INVALID_HANDLE_VALUE)
+        return osl_File_E_NOENT;
+
+    if (TimeValueToFileTime(aCreationTime, &ftCreationTime))
+        lpCreationTime=&ftCreationTime;
+
+    if (TimeValueToFileTime(aLastAccessTime, &ftLastAccessTime))
+        lpLastAccessTime=&ftLastAccessTime;
+
+    if (TimeValueToFileTime(aLastWriteTime, &ftLastWriteTime))
+        lpLastWriteTime=&ftLastWriteTime;
+
+    fSuccess=SetFileTime(hFile, lpCreationTime, lpLastAccessTime, lpLastWriteTime);
+
+    CloseHandle(hFile);
+
+    if (!fSuccess)
+        return osl_File_E_INVAL;
+    else
+        return osl_File_E_None;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */