132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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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 General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qplatformdefs.h"
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#include "qlibrary_p.h"
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#include "qfile.h"
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#include "qdir.h"
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#include "qfileinfo.h"
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#include "qdir.h"
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#if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN)
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#undef QT_NO_LIBRARY
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#pragma message("QT_NO_LIBRARY is not supported on Windows")
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#endif
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#include <qt_windows.h>
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QT_BEGIN_NAMESPACE
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extern QString qt_error_string(int code);
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bool QLibraryPrivate::load_sys()
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{
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#ifdef Q_OS_WINCE
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QString attempt = QFileInfo(fileName).absoluteFilePath();
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#else
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QString attempt = fileName;
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#endif
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//avoid 'Bad Image' message box
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UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX);
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pHnd = LoadLibrary((wchar_t*)QDir::toNativeSeparators(attempt).utf16());
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if (pluginState != IsAPlugin) {
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#if defined(Q_OS_WINCE)
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if (!pHnd && ::GetLastError() == ERROR_MOD_NOT_FOUND) {
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QString secondAttempt = fileName;
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pHnd = LoadLibrary((wchar_t*)QDir::toNativeSeparators(secondAttempt).utf16());
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}
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#endif
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if (!pHnd && ::GetLastError() == ERROR_MOD_NOT_FOUND) {
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attempt += QLatin1String(".dll");
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pHnd = LoadLibrary((wchar_t*)QDir::toNativeSeparators(attempt).utf16());
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}
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}
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SetErrorMode(oldmode);
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if (!pHnd) {
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errorString = QLibrary::tr("Cannot load library %1: %2").arg(fileName).arg(qt_error_string());
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}
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if (pHnd) {
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errorString.clear();
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wchar_t buffer[MAX_PATH];
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::GetModuleFileName(pHnd, buffer, MAX_PATH);
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attempt = QString::fromWCharArray(buffer);
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const QDir dir = QFileInfo(fileName).dir();
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const QString realfilename = attempt.mid(attempt.lastIndexOf(QLatin1Char('\\')) + 1);
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if (dir.path() == QLatin1String("."))
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qualifiedFileName = realfilename;
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else
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qualifiedFileName = dir.filePath(realfilename);
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}
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return (pHnd != 0);
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}
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bool QLibraryPrivate::unload_sys()
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{
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if (!FreeLibrary(pHnd)) {
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errorString = QLibrary::tr("Cannot unload library %1: %2").arg(fileName).arg(qt_error_string());
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return false;
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}
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errorString.clear();
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return true;
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}
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QFunctionPointer QLibraryPrivate::resolve_sys(const char* symbol)
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{
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#ifdef Q_OS_WINCE
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FARPROC address = GetProcAddress(pHnd, (const wchar_t*)QString::fromLatin1(symbol).utf16());
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#else
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FARPROC address = GetProcAddress(pHnd, symbol);
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#endif
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if (!address) {
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errorString = QLibrary::tr("Cannot resolve symbol \"%1\" in %2: %3").arg(
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QString::fromLatin1(symbol)).arg(fileName).arg(qt_error_string());
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} else {
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errorString.clear();
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}
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return QFunctionPointer(address);
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}
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QT_END_NAMESPACE
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