2011-04-27 10:05:43 +00:00
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/****************************************************************************
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**
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2016-01-15 12:36:27 +00:00
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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2011-04-27 10:05:43 +00:00
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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2016-01-15 12:36:27 +00:00
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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2012-09-19 12:28:29 +00:00
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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2015-01-28 08:44:43 +00:00
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** a written agreement between you and The Qt Company. For licensing terms
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2016-01-15 12:36:27 +00:00
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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2012-09-19 12:28:29 +00:00
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**
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2016-01-15 12:36:27 +00:00
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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2011-04-27 10:05:43 +00:00
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QT_TESTS_SHARED_FILESYSTEM_H_INCLUDED
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#define QT_TESTS_SHARED_FILESYSTEM_H_INCLUDED
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#include <QString>
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#include <QStringList>
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2012-07-25 09:47:26 +00:00
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#include <QTemporaryDir>
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#include <QScopedPointer>
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2011-04-27 10:05:43 +00:00
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#include <QDir>
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#include <QFile>
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2016-04-11 08:44:06 +00:00
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#if defined(Q_OS_WIN)
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2011-04-27 10:05:43 +00:00
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#include <windows.h>
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#include <winioctl.h>
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#ifndef IO_REPARSE_TAG_MOUNT_POINT
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#define IO_REPARSE_TAG_MOUNT_POINT (0xA0000003L)
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#endif
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#define REPARSE_MOUNTPOINT_HEADER_SIZE 8
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#ifndef FSCTL_SET_REPARSE_POINT
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#define FSCTL_SET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 41, METHOD_BUFFERED, FILE_SPECIAL_ACCESS)
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#endif
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#endif
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2012-07-25 09:47:26 +00:00
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// QTemporaryDir-based helper class for creating file-system hierarchies and cleaning up.
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class FileSystem
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2011-04-27 10:05:43 +00:00
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{
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2012-07-25 09:47:26 +00:00
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Q_DISABLE_COPY(FileSystem)
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public:
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FileSystem() : m_temporaryDir(FileSystem::tempFilePattern()) {}
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2011-04-27 10:05:43 +00:00
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2012-07-25 09:47:26 +00:00
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QString path() const { return m_temporaryDir.path(); }
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QString absoluteFilePath(const QString &fileName) const { return path() + QLatin1Char('/') + fileName; }
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2011-04-27 10:05:43 +00:00
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2012-07-25 09:47:26 +00:00
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bool createDirectory(const QString &relativeDirName)
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2011-04-27 10:05:43 +00:00
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{
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2012-07-25 09:47:26 +00:00
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if (m_temporaryDir.isValid()) {
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QDir dir(m_temporaryDir.path());
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return dir.mkpath(relativeDirName);
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2011-04-27 10:05:43 +00:00
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}
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return false;
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}
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2012-07-25 09:47:26 +00:00
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bool createFile(const QString &relativeFileName)
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2011-04-27 10:05:43 +00:00
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{
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2012-07-25 09:47:26 +00:00
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QScopedPointer<QFile> file(openFileForWrite(relativeFileName));
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return !file.isNull();
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2011-04-27 10:05:43 +00:00
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}
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2012-07-25 09:47:26 +00:00
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qint64 createFileWithContent(const QString &relativeFileName)
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2011-04-27 10:05:43 +00:00
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{
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2012-07-25 09:47:26 +00:00
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QScopedPointer<QFile> file(openFileForWrite(relativeFileName));
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return file.isNull() ? qint64(-1) : file->write(relativeFileName.toUtf8());
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2011-04-27 10:05:43 +00:00
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}
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2013-09-01 16:05:46 +00:00
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#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
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2017-10-24 11:52:51 +00:00
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static DWORD createNtfsJunction(QString target, QString linkName, QString *errorMessage)
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2011-04-27 10:05:43 +00:00
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{
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typedef struct {
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DWORD ReparseTag;
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DWORD ReparseDataLength;
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WORD Reserved;
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WORD ReparseTargetLength;
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WORD ReparseTargetMaximumLength;
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WORD Reserved1;
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WCHAR ReparseTarget[1];
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} REPARSE_MOUNTPOINT_DATA_BUFFER, *PREPARSE_MOUNTPOINT_DATA_BUFFER;
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char reparseBuffer[MAX_PATH*3];
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HANDLE hFile;
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DWORD returnedLength;
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wchar_t fileSystem[MAX_PATH] = L"";
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PREPARSE_MOUNTPOINT_DATA_BUFFER reparseInfo = (PREPARSE_MOUNTPOINT_DATA_BUFFER) reparseBuffer;
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2017-10-24 11:52:51 +00:00
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DWORD result = ERROR_SUCCESS;
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2011-04-27 10:05:43 +00:00
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QFileInfo junctionInfo(linkName);
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linkName = QDir::toNativeSeparators(junctionInfo.absoluteFilePath());
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2017-10-24 11:52:51 +00:00
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const QString drive = linkName.left(3);
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if (GetVolumeInformationW(reinterpret_cast<const wchar_t *>(drive.utf16()),
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NULL, 0, NULL, NULL, NULL,
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fileSystem, sizeof(fileSystem)/sizeof(WCHAR)) == FALSE) {
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result = GetLastError();
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*errorMessage = "GetVolumeInformationW() failed: " + qt_error_string(int(result));
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return result;
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}
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if (QString::fromWCharArray(fileSystem) != "NTFS") {
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*errorMessage = "This seems not to be an NTFS volume. Junctions are not allowed.";
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return ERROR_NOT_SUPPORTED;
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}
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2011-04-27 10:05:43 +00:00
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if (!target.startsWith("\\??\\") && !target.startsWith("\\\\?\\")) {
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QFileInfo targetInfo(target);
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target = QDir::toNativeSeparators(targetInfo.absoluteFilePath());
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target.prepend("\\??\\");
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if(target.endsWith('\\') && target.at(target.length()-2) != ':')
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target.chop(1);
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}
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QDir().mkdir(linkName);
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hFile = CreateFileW( (wchar_t*)linkName.utf16(), GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
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FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, NULL );
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2017-10-24 11:52:51 +00:00
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if (hFile == INVALID_HANDLE_VALUE) {
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result = GetLastError();
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*errorMessage = "CreateFileW(" + linkName + ") failed: " + qt_error_string(int(result));
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return result;
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}
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2011-04-27 10:05:43 +00:00
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memset( reparseInfo, 0, sizeof( *reparseInfo ));
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reparseInfo->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
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2014-01-24 14:36:04 +00:00
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reparseInfo->ReparseTargetLength = WORD(target.size()) * WORD(sizeof(wchar_t));
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2011-04-27 10:05:43 +00:00
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reparseInfo->ReparseTargetMaximumLength = reparseInfo->ReparseTargetLength + sizeof(wchar_t);
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target.toWCharArray(reparseInfo->ReparseTarget);
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reparseInfo->ReparseDataLength = reparseInfo->ReparseTargetLength + 12;
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bool ioc = DeviceIoControl(hFile, FSCTL_SET_REPARSE_POINT, reparseInfo,
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reparseInfo->ReparseDataLength + REPARSE_MOUNTPOINT_HEADER_SIZE,
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NULL, 0, &returnedLength, NULL);
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2017-10-24 11:52:51 +00:00
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if (!ioc) {
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result = GetLastError();
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*errorMessage = "DeviceIoControl() failed: " + qt_error_string(int(result));
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}
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2011-04-27 10:05:43 +00:00
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CloseHandle( hFile );
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2017-10-24 11:52:51 +00:00
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return result;
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2011-04-27 10:05:43 +00:00
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}
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#endif
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private:
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2012-07-25 09:47:26 +00:00
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static QString tempFilePattern()
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{
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QString result = QDir::tempPath();
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if (!result.endsWith(QLatin1Char('/')))
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result.append(QLatin1Char('/'));
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result += QStringLiteral("qt-test-filesystem-");
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result += QCoreApplication::applicationName();
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result += QStringLiteral("-XXXXXX");
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return result;
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}
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QFile *openFileForWrite(const QString &fileName) const
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{
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if (m_temporaryDir.isValid()) {
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const QString absName = absoluteFilePath(fileName);
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QScopedPointer<QFile> file(new QFile(absName));
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if (file->open(QIODevice::WriteOnly))
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return file.take();
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qWarning("Cannot open '%s' for writing: %s", qPrintable(absName), qPrintable(file->errorString()));
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}
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return 0;
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}
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2011-04-27 10:05:43 +00:00
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2012-07-25 09:47:26 +00:00
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QTemporaryDir m_temporaryDir;
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2011-04-27 10:05:43 +00:00
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};
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#endif // include guard
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