diff options
Diffstat (limited to 'src/corelib/io/qfilesystemengine_win.cpp')
| -rw-r--r-- | src/corelib/io/qfilesystemengine_win.cpp | 68 |
1 files changed, 18 insertions, 50 deletions
diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp index 97af142a08..329dfa9fdd 100644 --- a/src/corelib/io/qfilesystemengine_win.cpp +++ b/src/corelib/io/qfilesystemengine_win.cpp @@ -176,8 +176,6 @@ typedef DWORD (WINAPI *PtrGetEffectiveRightsFromAclW)(PACL, PTRUSTEE_W, OUT PACC static PtrGetEffectiveRightsFromAclW ptrGetEffectiveRightsFromAclW = 0; typedef BOOL (WINAPI *PtrGetUserProfileDirectoryW)(HANDLE, LPWSTR, LPDWORD); static PtrGetUserProfileDirectoryW ptrGetUserProfileDirectoryW = 0; -typedef BOOL (WINAPI *PtrGetVolumePathNamesForVolumeNameW)(LPCWSTR,LPWSTR,DWORD,PDWORD); -static PtrGetVolumePathNamesForVolumeNameW ptrGetVolumePathNamesForVolumeNameW = 0; QT_END_INCLUDE_NAMESPACE static TRUSTEE_W currentUserTrusteeW; @@ -272,9 +270,6 @@ static void resolveLibs() HINSTANCE userenvHnd = QSystemLibrary::load(L"userenv"); if (userenvHnd) ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW"); - HINSTANCE kernel32 = LoadLibrary(L"kernel32"); - if(kernel32) - ptrGetVolumePathNamesForVolumeNameW = (PtrGetVolumePathNamesForVolumeNameW)GetProcAddress(kernel32, "GetVolumePathNamesForVolumeNameW"); } } #endif // QT_NO_LIBRARY @@ -349,15 +344,13 @@ static QString readSymLink(const QFileSystemEntry &link) #if !defined(QT_NO_LIBRARY) resolveLibs(); - if (ptrGetVolumePathNamesForVolumeNameW) { - QRegExp matchVolName(QLatin1String("^Volume\\{([a-z]|[0-9]|-)+\\}\\\\"), Qt::CaseInsensitive); - if(matchVolName.indexIn(result) == 0) { - DWORD len; - wchar_t buffer[MAX_PATH]; - QString volumeName = result.mid(0, matchVolName.matchedLength()).prepend(QLatin1String("\\\\?\\")); - if(ptrGetVolumePathNamesForVolumeNameW((wchar_t*)volumeName.utf16(), buffer, MAX_PATH, &len) != 0) - result.replace(0,matchVolName.matchedLength(), QString::fromWCharArray(buffer)); - } + QRegExp matchVolName(QLatin1String("^Volume\\{([a-z]|[0-9]|-)+\\}\\\\"), Qt::CaseInsensitive); + if (matchVolName.indexIn(result) == 0) { + DWORD len; + wchar_t buffer[MAX_PATH]; + QString volumeName = result.mid(0, matchVolName.matchedLength()).prepend(QLatin1String("\\\\?\\")); + if (GetVolumePathNamesForVolumeName(reinterpret_cast<LPCWSTR>(volumeName.utf16()), buffer, MAX_PATH, &len) != 0) + result.replace(0,matchVolName.matchedLength(), QString::fromWCharArray(buffer)); } #endif // !Q_OS_WINRT } @@ -583,23 +576,14 @@ QFileSystemEntry QFileSystemEngine::absoluteName(const QFileSystemEntry &entry) return QFileSystemEntry(ret, QFileSystemEntry::FromInternalPath()); } -// FILE_INFO_BY_HANDLE_CLASS has been extended by FileIdInfo = 18 as of VS2012. -typedef enum { Q_FileIdInfo = 18 } Q_FILE_INFO_BY_HANDLE_CLASS; - -# if defined(Q_CC_MINGW) || (defined(Q_CC_MSVC) && (_MSC_VER < 1700 || WINVER <= 0x0601)) - -// MinGW-64 defines FILE_ID_128 as of gcc-4.8.1 along with FILE_SUPPORTS_INTEGRITY_STREAMS -# if !(defined(Q_CC_MINGW) && defined(FILE_SUPPORTS_INTEGRITY_STREAMS)) -typedef struct _FILE_ID_128 { - BYTE Identifier[16]; -} FILE_ID_128, *PFILE_ID_128; -# endif // !(Q_CC_MINGW && FILE_SUPPORTS_INTEGRITY_STREAMS) +#if defined(Q_CC_MINGW) && WINVER < 0x0602 // Windows 8 onwards typedef struct _FILE_ID_INFO { ULONGLONG VolumeSerialNumber; FILE_ID_128 FileId; } FILE_ID_INFO, *PFILE_ID_INFO; -# endif // if defined (Q_CC_MINGW) || (defined(Q_CC_MSVC) && (_MSC_VER < 1700 || WINVER <= 0x0601)) + +#endif // if defined (Q_CC_MINGW) && WINVER < 0x0602 // File ID for Windows up to version 7. static inline QByteArray fileId(HANDLE handle) @@ -622,37 +606,21 @@ static inline QByteArray fileId(HANDLE handle) // File ID for Windows starting from version 8. QByteArray fileIdWin8(HANDLE handle) { -#ifndef Q_OS_WINRT - typedef BOOL (WINAPI* GetFileInformationByHandleExType)(HANDLE, Q_FILE_INFO_BY_HANDLE_CLASS, void *, DWORD); - - // Dynamically resolve GetFileInformationByHandleEx (Vista onwards). - static GetFileInformationByHandleExType getFileInformationByHandleEx = 0; - if (!getFileInformationByHandleEx) { - QSystemLibrary library(QLatin1String("kernel32")); - getFileInformationByHandleEx = (GetFileInformationByHandleExType)library.resolve("GetFileInformationByHandleEx"); - } - QByteArray result; - if (getFileInformationByHandleEx) { - FILE_ID_INFO infoEx; - if (getFileInformationByHandleEx(handle, Q_FileIdInfo, - &infoEx, sizeof(FILE_ID_INFO))) { - result = QByteArray::number(infoEx.VolumeSerialNumber, 16); - result += ':'; - // Note: MinGW-64's definition of FILE_ID_128 differs from the MSVC one. - result += QByteArray((char *)&infoEx.FileId, sizeof(infoEx.FileId)).toHex(); - } - } -#else // !Q_OS_WINRT +#if !defined(QT_BOOTSTRAPPED) && !defined(QT_BUILD_QMAKE) QByteArray result; FILE_ID_INFO infoEx; - if (GetFileInformationByHandleEx(handle, FileIdInfo, + if (GetFileInformationByHandleEx(handle, + static_cast<FILE_INFO_BY_HANDLE_CLASS>(18), // FileIdInfo in Windows 8 &infoEx, sizeof(FILE_ID_INFO))) { result = QByteArray::number(infoEx.VolumeSerialNumber, 16); result += ':'; - result += QByteArray((char *)infoEx.FileId.Identifier, sizeof(infoEx.FileId.Identifier)).toHex(); + // Note: MinGW-64's definition of FILE_ID_128 differs from the MSVC one. + result += QByteArray(reinterpret_cast<const char *>(&infoEx.FileId), int(sizeof(infoEx.FileId))).toHex(); } -#endif // Q_OS_WINRT return result; +#else // !QT_BOOTSTRAPPED && !QT_BUILD_QMAKE + return fileId(handle); +#endif } //static |