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fix: improve defensive cstring copying

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Intended to prevent Nim from inopportunely garbage collecting cstrings passed
through signal_handler/dos_signal as they make their way back to the main
thread
This commit is contained in:
Michael Bradley, Jr 2021-03-10 16:18:29 -06:00 committed by Michał
parent 7793f6b6ec
commit 37ebdf58b9
1 changed files with 9 additions and 8 deletions
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17
vendor/DOtherSide/lib/src/DOtherSide.cpp vendored
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@ -78,7 +78,7 @@ class QMLNetworkAccessFactory : public QQmlNetworkAccessManagerFactory
QMLNetworkAccessFactory()
: QQmlNetworkAccessManagerFactory()
{
}
QNetworkAccessManager* create(QObject* parent);
@ -86,7 +86,7 @@ class QMLNetworkAccessFactory : public QQmlNetworkAccessManagerFactory
void setTmpPath(const char* path);
};
QString QMLNetworkAccessFactory::tmpPath = "";
QString QMLNetworkAccessFactory::tmpPath = "";
QNetworkAccessManager* QMLNetworkAccessFactory::create(QObject* parent)
{
@ -192,7 +192,7 @@ void dos_qapplication_quit()
::DosQQmlNetworkAccessManagerFactory *dos_qqmlnetworkaccessmanagerfactory_create(const char* tmpPath)
{
QMLNetworkAccessFactory::tmpPath = tmpPath;
QMLNetworkAccessFactory::tmpPath = tmpPath;
return new QMLNetworkAccessFactory();
}
@ -864,8 +864,9 @@ bool dos_qurl_isValid(const ::DosQUrl *vptr)
void dos_signal(::DosQObject *vptr, const char *signal, const char *slot) //
{
auto qobject = static_cast<QObject *>(vptr);
std::string copy = signal; // signal comes from nim, and might be GC. Creating a copy (QT will handle the freeing)
QMetaObject::invokeMethod(qobject, slot, Qt::QueuedConnection, Q_ARG(QString, copy.c_str()));
std::string signal_copy = signal;
std::string slot_copy = slot;
QMetaObject::invokeMethod(qobject, slot_copy.c_str(), Qt::QueuedConnection, Q_ARG(QString, signal_copy.c_str()));
}
void dos_qmetaobject_delete(::DosQMetaObject *vptr)
@ -1259,9 +1260,9 @@ char *dos_qurl_host(char* url)
char *dos_qurl_replaceHostAndAddPath(char* url, char* newScheme, char* newHost, char* pathPrefix)
{
auto newQurl = QUrl(QString(url));
newQurl.setHost(newHost);
if(QString(newScheme).compare("") != 0){
newQurl.setScheme(newScheme);
}
@ -1269,6 +1270,6 @@ char *dos_qurl_replaceHostAndAddPath(char* url, char* newScheme, char* newHost,
if (QString(pathPrefix).compare("") != 0){
newQurl.setPath(QString(pathPrefix) + newQurl.path());
}
return convert_to_cstring(newQurl.toString());
}