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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qplatformdefs.h"
#include "qlibrary_p.h"
#include "qfile.h"
#include "qdir.h"
#include "qfileinfo.h"
#include <private/qfilesystementry_p.h>
#ifndef QT_NO_LIBRARY
#include <qt_windows.h>
QT_BEGIN_NAMESPACE
extern QString qt_error_string(int code);
QStringList QLibraryPrivate::suffixes_sys(const QString& fullVersion)
{
Q_UNUSED(fullVersion);
return QStringList(QStringLiteral(".dll"));
}
QStringList QLibraryPrivate::prefixes_sys()
{
return QStringList();
}
bool QLibraryPrivate::load_sys()
{
//avoid 'Bad Image' message box
UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX);
// We make the following attempts at locating the library:
//
// WinCE
// if (absolute)
// fileName
// fileName + ".dll"
// else
// fileName + ".dll"
// fileName
// QFileInfo(fileName).absoluteFilePath()
//
// Windows
// if (absolute)
// fileName
// fileName + ".dll"
// else
// fileName + ".dll"
// fileName
//
// NB If it's a plugin we do not ever try the ".dll" extension
QStringList attempts;
if (pluginState != IsAPlugin)
attempts.append(fileName + QLatin1String(".dll"));
// If the fileName is an absolute path we try that first, otherwise we
// use the system-specific suffix first
QFileSystemEntry fsEntry(fileName);
if (fsEntry.isAbsolute()) {
attempts.prepend(fileName);
} else {
attempts.append(fileName);
#if defined(Q_OS_WINCE)
attempts.append(QFileInfo(fileName).absoluteFilePath());
#endif
}
Q_FOREACH (const QString &attempt, attempts) {
pHnd = LoadLibrary((wchar_t*)QDir::toNativeSeparators(attempt).utf16());
// If we have a handle or the last error is something other than "unable
// to find the module", then bail out
if (pHnd || ::GetLastError() != ERROR_MOD_NOT_FOUND)
break;
}
SetErrorMode(oldmode);
if (!pHnd) {
errorString = QLibrary::tr("Cannot load library %1: %2").arg(fileName).arg(qt_error_string());
} else {
// Query the actual name of the library that was loaded
errorString.clear();
wchar_t buffer[MAX_PATH];
::GetModuleFileName(pHnd, buffer, MAX_PATH);
QString moduleFileName = QString::fromWCharArray(buffer);
moduleFileName.remove(0, 1 + moduleFileName.lastIndexOf(QLatin1Char('\\')));
const QDir dir(fsEntry.path());
if (dir.path() == QLatin1String("."))
qualifiedFileName = moduleFileName;
else
qualifiedFileName = dir.filePath(moduleFileName);
}
return (pHnd != 0);
}
bool QLibraryPrivate::unload_sys()
{
if (!FreeLibrary(pHnd)) {
errorString = QLibrary::tr("Cannot unload library %1: %2").arg(fileName).arg(qt_error_string());
return false;
}
errorString.clear();
return true;
}
QFunctionPointer QLibraryPrivate::resolve_sys(const char* symbol)
{
#ifdef Q_OS_WINCE
FARPROC address = GetProcAddress(pHnd, (const wchar_t*)QString::fromLatin1(symbol).utf16());
#else
FARPROC address = GetProcAddress(pHnd, symbol);
#endif
if (!address) {
errorString = QLibrary::tr("Cannot resolve symbol \"%1\" in %2: %3").arg(
QString::fromLatin1(symbol)).arg(fileName).arg(qt_error_string());
} else {
errorString.clear();
}
return QFunctionPointer(address);
}
QT_END_NAMESPACE
#endif // QT_NO_LIBRARY
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