diff options
Diffstat (limited to 'src/corelib/plugin/qsystemlibrary.cpp')
-rw-r--r-- | src/corelib/plugin/qsystemlibrary.cpp | 86 |
1 files changed, 27 insertions, 59 deletions
diff --git a/src/corelib/plugin/qsystemlibrary.cpp b/src/corelib/plugin/qsystemlibrary.cpp index 593b0c3be7..d3dff226d9 100644 --- a/src/corelib/plugin/qsystemlibrary.cpp +++ b/src/corelib/plugin/qsystemlibrary.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qsystemlibrary_p.h" #include <QtCore/qvarlengtharray.h> @@ -72,52 +36,56 @@ QT_BEGIN_NAMESPACE +using namespace Qt::StringLiterals; + #if !defined(QT_BOOTSTRAPPED) extern QString qAppFileName(); #endif static QString qSystemDirectory() { - QVarLengthArray<wchar_t, MAX_PATH> fullPath; - - UINT retLen = ::GetSystemDirectory(fullPath.data(), MAX_PATH); - if (retLen > MAX_PATH) { - fullPath.resize(retLen); - retLen = ::GetSystemDirectory(fullPath.data(), retLen); - } - // in some rare cases retLen might be 0 - return QString::fromWCharArray(fullPath.constData(), int(retLen)); + static const QString result = []() -> QString { + QVarLengthArray<wchar_t, MAX_PATH> fullPath = {}; + UINT retLen = ::GetSystemDirectoryW(fullPath.data(), MAX_PATH); + if (retLen > MAX_PATH) { + fullPath.resize(retLen); + retLen = ::GetSystemDirectoryW(fullPath.data(), retLen); + } + // in some rare cases retLen might be 0 + return QString::fromWCharArray(fullPath.constData(), int(retLen)); + }(); + return result; } HINSTANCE QSystemLibrary::load(const wchar_t *libraryName, bool onlySystemDirectory /* = true */) { + if (onlySystemDirectory) + return ::LoadLibraryExW(libraryName, nullptr, LOAD_LIBRARY_SEARCH_SYSTEM32); + QStringList searchOrder; #if !defined(QT_BOOTSTRAPPED) - if (!onlySystemDirectory) - searchOrder << QFileInfo(qAppFileName()).path(); + searchOrder << QFileInfo(qAppFileName()).path(); #endif searchOrder << qSystemDirectory(); - if (!onlySystemDirectory) { - const QString PATH(QLatin1String(qgetenv("PATH").constData())); - searchOrder << PATH.split(QLatin1Char(';'), Qt::SkipEmptyParts); - } - QString fileName = QString::fromWCharArray(libraryName); - fileName.append(QLatin1String(".dll")); + const QString PATH(QLatin1StringView(qgetenv("PATH"))); + searchOrder << PATH.split(u';', Qt::SkipEmptyParts); + + const QString fileName = QString::fromWCharArray(libraryName); // Start looking in the order specified for (int i = 0; i < searchOrder.count(); ++i) { QString fullPathAttempt = searchOrder.at(i); - if (!fullPathAttempt.endsWith(QLatin1Char('\\'))) { - fullPathAttempt.append(QLatin1Char('\\')); + if (!fullPathAttempt.endsWith(u'\\')) { + fullPathAttempt.append(u'\\'); } fullPathAttempt.append(fileName); HINSTANCE inst = ::LoadLibrary(reinterpret_cast<const wchar_t *>(fullPathAttempt.utf16())); - if (inst != 0) + if (inst != nullptr) return inst; } - return 0; + return nullptr; } QT_END_NAMESPACE |