diff options
author | Kurt Korbatits <kurt.korbatits@nokia.com> | 2009-11-10 13:01:07 +1000 |
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committer | Kurt Korbatits <kurt.korbatits@nokia.com> | 2009-11-10 13:01:07 +1000 |
commit | 8df98549a4d84b5877e50318140c2041e17632fb (patch) | |
tree | 0c55d5ef4d8380ec45c6457a40b033dc45cbd579 /src/corelib/io/qfsfileengine_win.cpp | |
parent | f55c317e377aaf0b3e24904e88dc1c4a6e15a20a (diff) | |
parent | 9a6de1fa0db0da8c4fa5eb904ef6d78cc619e332 (diff) |
Merge branch '4.6' of ../qt into 4.6
Diffstat (limited to 'src/corelib/io/qfsfileengine_win.cpp')
-rw-r--r-- | src/corelib/io/qfsfileengine_win.cpp | 153 |
1 files changed, 64 insertions, 89 deletions
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp index 898447cc2e..a6cb5a9f7a 100644 --- a/src/corelib/io/qfsfileengine_win.cpp +++ b/src/corelib/io/qfsfileengine_win.cpp @@ -455,17 +455,10 @@ bool QFSFileEnginePrivate::nativeClose() // Windows native mode. bool ok = true; - if ((fileHandle == INVALID_HANDLE_VALUE || !CloseHandle(fileHandle)) -#ifdef Q_USE_DEPRECATED_MAP_API - && (fileMapHandle == INVALID_HANDLE_VALUE || !CloseHandle(fileMapHandle)) -#endif - ) { + if ((fileHandle == INVALID_HANDLE_VALUE || !::CloseHandle(fileHandle))) { q->setError(QFile::UnspecifiedError, qt_error_string()); ok = false; } -#ifdef Q_USE_DEPRECATED_MAP_API - fileMapHandle = INVALID_HANDLE_VALUE; -#endif fileHandle = INVALID_HANDLE_VALUE; cachedFd = -1; // gets closed by CloseHandle above @@ -504,14 +497,30 @@ qint64 QFSFileEnginePrivate::nativeSize() const // ### Don't flush; for buffered files, we should get away with ftell. thatQ->flush(); +#if !defined(Q_OS_WINCE) + // stdlib/stdio mode. + if (fh || fd != -1) { + qint64 fileSize = _filelengthi64(fh ? QT_FILENO(fh) : fd); + if (fileSize == -1) { + fileSize = 0; + thatQ->setError(QFile::UnspecifiedError, qt_error_string(errno)); + } + return fileSize; + } +#else // Q_OS_WINCE // Buffered stdlib mode. if (fh) { QT_OFF_T oldPos = QT_FTELL(fh); QT_FSEEK(fh, 0, SEEK_END); - QT_OFF_T fileSize = QT_FTELL(fh); + qint64 fileSize = (qint64)QT_FTELL(fh); QT_FSEEK(fh, oldPos, SEEK_SET); - return qint64(fileSize); + if (fileSize == -1) { + fileSize = 0; + thatQ->setError(QFile::UnspecifiedError, qt_error_string(errno)); + } + return fileSize; } +#endif // Not-open mode, where the file name is known: We'll check the // file system directly. @@ -551,23 +560,13 @@ qint64 QFSFileEnginePrivate::nativeSize() const return 0; } - // Unbuffed stdio mode. - if(fd != -1) { -#if !defined(Q_OS_WINCE) - HANDLE handle = (HANDLE)_get_osfhandle(fd); - if (handle != INVALID_HANDLE_VALUE) { - BY_HANDLE_FILE_INFORMATION fileInfo; - if (GetFileInformationByHandle(handle, &fileInfo)) { - qint64 size = fileInfo.nFileSizeHigh; - size <<= 32; - size += fileInfo.nFileSizeLow; - return size; - } - } -#endif - thatQ->setError(QFile::UnspecifiedError, qt_error_string()); +#if defined(Q_OS_WINCE) + // Unbuffed stdio mode + if (fd != -1) { + thatQ->setError(QFile::UnspecifiedError, QLatin1String("Not implemented!")); return 0; } +#endif // Windows native mode. if (fileHandle == INVALID_HANDLE_VALUE) @@ -799,27 +798,18 @@ int QFSFileEnginePrivate::nativeHandle() const bool QFSFileEnginePrivate::nativeIsSequential() const { #if !defined(Q_OS_WINCE) - // stdlib / Windows native mode. - if (fh || fileHandle != INVALID_HANDLE_VALUE) { - if (fh == stdin || fh == stdout || fh == stderr) - return true; - - HANDLE handle = fileHandle; - if (fileHandle == INVALID_HANDLE_VALUE) { - // Rare case: using QFile::open(FILE*) to open a pipe. - handle = (HANDLE)_get_osfhandle(QT_FILENO(fh)); - return false; - } - - DWORD fileType = GetFileType(handle); - return fileType == FILE_TYPE_PIPE; - } + HANDLE handle = fileHandle; + if (fh || fd != -1) + handle = (HANDLE)_get_osfhandle(fh ? QT_FILENO(fh) : fd); + if (handle == INVALID_HANDLE_VALUE) + return false; - // stdio mode. - if (fd != -1) - return isSequentialFdFh(); -#endif + DWORD fileType = GetFileType(handle); + return (fileType == FILE_TYPE_CHAR) + || (fileType == FILE_TYPE_PIPE); +#else return false; +#endif } bool QFSFileEngine::remove() @@ -1931,42 +1921,42 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, return 0; } + if (mapHandle == INVALID_HANDLE_VALUE) { + // get handle to the file + HANDLE handle = fileHandle; - // get handle to the file - HANDLE handle = fileHandle; #ifndef Q_OS_WINCE - if (handle == INVALID_HANDLE_VALUE && fh) - handle = (HANDLE)_get_osfhandle(QT_FILENO(fh)); + if (handle == INVALID_HANDLE_VALUE && fh) + handle = (HANDLE)::_get_osfhandle(QT_FILENO(fh)); #endif #ifdef Q_USE_DEPRECATED_MAP_API - if (fileMapHandle == INVALID_HANDLE_VALUE) { nativeClose(); - fileMapHandle = CreateFileForMapping((const wchar_t*)nativeFilePath.constData(), + // handle automatically closed by kernel with mapHandle (below). + handle = ::CreateFileForMapping((const wchar_t*)nativeFilePath.constData(), GENERIC_READ | (openMode & QIODevice::WriteOnly ? GENERIC_WRITE : 0), 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); - } - handle = fileMapHandle; #endif - if (handle == INVALID_HANDLE_VALUE) { - q->setError(QFile::PermissionsError, qt_error_string(ERROR_ACCESS_DENIED)); - return 0; - } + if (handle == INVALID_HANDLE_VALUE) { + q->setError(QFile::PermissionsError, qt_error_string(ERROR_ACCESS_DENIED)); + return 0; + } - // first create the file mapping handle - DWORD protection = (openMode & QIODevice::WriteOnly) ? PAGE_READWRITE : PAGE_READONLY; - HANDLE mapHandle = ::CreateFileMapping(handle, 0, protection, 0, 0, 0); - if (mapHandle == NULL) { - q->setError(QFile::PermissionsError, qt_error_string()); + // first create the file mapping handle + DWORD protection = (openMode & QIODevice::WriteOnly) ? PAGE_READWRITE : PAGE_READONLY; + mapHandle = ::CreateFileMapping(handle, 0, protection, 0, 0, 0); + if (mapHandle == INVALID_HANDLE_VALUE) { + q->setError(QFile::PermissionsError, qt_error_string()); #ifdef Q_USE_DEPRECATED_MAP_API - mapHandleClose(); + ::CloseHandle(handle); #endif - return 0; + return 0; + } } // setup args to map @@ -1978,17 +1968,17 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, DWORD offsetLo = offset & Q_UINT64_C(0xffffffff); SYSTEM_INFO sysinfo; ::GetSystemInfo(&sysinfo); - int mask = sysinfo.dwAllocationGranularity - 1; - int extra = offset & mask; + DWORD mask = sysinfo.dwAllocationGranularity - 1; + DWORD extra = offset & mask; if (extra) offsetLo &= ~mask; // attempt to create the map - LPVOID mapAddress = MapViewOfFile(mapHandle, access, + LPVOID mapAddress = ::MapViewOfFile(mapHandle, access, offsetHi, offsetLo, size + extra); if (mapAddress) { uchar *address = extra + static_cast<uchar*>(mapAddress); - maps[address] = QPair<int, HANDLE>(extra, mapHandle); + maps[address] = extra; return address; } @@ -2001,10 +1991,8 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, default: q->setError(QFile::UnspecifiedError, qt_error_string()); } - CloseHandle(mapHandle); -#ifdef Q_USE_DEPRECATED_MAP_API - mapHandleClose(); -#endif + + ::CloseHandle(mapHandle); return 0; } @@ -2015,32 +2003,19 @@ bool QFSFileEnginePrivate::unmap(uchar *ptr) q->setError(QFile::PermissionsError, qt_error_string(ERROR_ACCESS_DENIED)); return false; } - uchar *start = ptr - maps[ptr].first; + uchar *start = ptr - maps[ptr]; if (!UnmapViewOfFile(start)) { q->setError(QFile::PermissionsError, qt_error_string()); return false; } - if (!CloseHandle((HANDLE)maps[ptr].second)) { - q->setError(QFile::UnspecifiedError, qt_error_string()); - return false; - } maps.remove(ptr); - -#ifdef Q_USE_DEPRECATED_MAP_API - mapHandleClose(); -#endif - return true; -} - -#ifdef Q_USE_DEPRECATED_MAP_API -void QFSFileEnginePrivate::mapHandleClose() -{ if (maps.isEmpty()) { - CloseHandle(fileMapHandle); - fileMapHandle = INVALID_HANDLE_VALUE; + ::CloseHandle(mapHandle); + mapHandle = INVALID_HANDLE_VALUE; } + + return true; } -#endif QT_END_NAMESPACE |