Android: terminate argv passed to main() with nullptr

the char array of argv passed to the app's main() function
need to be null terminated [*] and argv to be **char.

[*] http://eel.is/c++draft/basic.start.main#2

Fixes: QTBUG-101028
Pick-to: 6.2 6.3 5.15
Change-Id: I6e3a685f092a92a94f60d166357b75d2538af74c
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
This commit is contained in:
Assam Boudjelthia 2022-03-04 15:19:08 +02:00
parent f0333355dd
commit daf7f07c1b

View File

@ -548,12 +548,14 @@ static void startQtApplication(JNIEnv */*env*/, jclass /*clazz*/)
if (QFile{QStringLiteral("assets:/android_rcc_bundle.rcc")}.exists())
QResource::registerResource(QStringLiteral("assets:/android_rcc_bundle.rcc"));
QVarLengthArray<const char *> params(m_applicationParams.size());
for (int i = 0; i < m_applicationParams.size(); i++)
params[i] = static_cast<const char *>(m_applicationParams[i].constData());
const int argc = m_applicationParams.size();
QVarLengthArray<char *> argv(argc + 1);
for (int i = 0; i < argc; i++)
argv[i] = m_applicationParams[i].data();
argv[argc] = nullptr;
startQtAndroidPluginCalled.fetchAndAddRelease(1);
int ret = m_main(m_applicationParams.length(), const_cast<char **>(params.data()));
int ret = m_main(argc, argv.data());
if (m_mainLibraryHnd) {
int res = dlclose(m_mainLibraryHnd);