main.cpp - mozsearch

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// Copyright (C) 2026 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QGuiApplication>

#include <QtGlobal>

#include <QTemporaryFile>

#include <QQmlEngine>

#include <QQuickWindow>

#include <QtQuickVectorImage/private/qquickvectorimage_p.h>

// silence warnings

static QtMessageHandler mh = qInstallMessageHandler([](QtMsgType, const QMessageLogContext &,

                                                       const QString &) {});

// Driver may allocate caches or other persistent state, which we need to suppress.

// Add any false positive leaks here.

extern "C" const char *__lsan_default_suppressions()

    return "leak:libgallium\n"

           "leak:swrast\n"

           "leak:libGLX\n"

           "leak:libEGL\n"

           "leak:libglapi\n"

           "leak:swiftshader\n"

           "leak:libvulkan\n";

extern "C" int LLVMFuzzerInitialize(int *_argc, char ***_argv)

    Q_UNUSED(_argc);

    Q_UNUSED(_argv);

    QHashSeed::setDeterministicGlobalSeed();

    static int argc = 1;

    static char arg1[] = "fuzzer";

    static char *argv[] = {arg1, nullptr};

    static QGuiApplication *qga = new QGuiApplication(argc, argv);

    Q_UNUSED(qga);

    return 0;

extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size)

    // ### QQuickVectorImage cannot load from a QByteArray yet, so pass the data via a file

    QTemporaryFile jsonFile;

    if (!jsonFile.open())

        return 0;

    jsonFile.write(Data, qint64(Size));

    if (!jsonFile.flush())

        return 0;

    QQuickWindow window;

    window.resize(512, 512);

    window.create();

    QQmlEngine engine;

    QQuickVectorImage vectorImage;

    QQmlEngine::setContextForObject(&vectorImage, engine.rootContext());

    vectorImage.setParentItem(window.contentItem());

    vectorImage.setSize(window.size());

    vectorImage.setAssumeTrustedSource(true);

    vectorImage.setSource(QUrl::fromLocalFile(jsonFile.fileName()));

    window.grabWindow(); // renders one frame

    QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);

    return 0;