fixed a crashing problem related to accessing a deleted pointer

Author: Carlos Barajas

cpp/rsearch.cpp

@@ -53,7 +53,7 @@ void rSearch::run() {
     else {
         qDebug() << "=rSearch: Finished!";
     }
-    delete stopped;
+    // delete stopped;
     // Finished
     emit finished();
 }

cpp/widgets/mainwindow.cpp

@@ -175,7 +175,7 @@ void MainWindow::run() {
     std::cout << "Liquidation of assests complete" << std::endl;
     QStringList allFiles  = defaultPath.entryList();
     allFiles = allFiles.filter(filepattern);
-    // qDebug() << allFiles;
+    qDebug() << allFiles;
     // allFiles.removeOne(".");
     // allFiles.removeOne("..");
     // qDebug() << allFiles;
@@ -190,14 +190,16 @@ void MainWindow::run() {
         // delete noresults;
     // }
     if (reader == nullptr) {
-        // std::cout << "Opening New Reader..." << std::endl;
+        qDebug() << "Opening New Reader...";// << std::endl;
         reader = new Reader(defaultPath.absolutePath() + "\\", allFiles, datez->liquidate(), parameters);
         reader->show();
     }
     else {
-        // std::cout << "Refreshing Old Reader.." << std::endl;
+        qDebug() << "Refreshing Old Reader..."; // << std::endl;
         reader->clear();
+        qDebug() << "Cleared out old data!";
         reader->show();
+        qDebug() << "Brought Reader to foreground!";
         reader->newSearch(defaultPath.absolutePath() + "\\", allFiles, datez->liquidate(), parameters);
     }
 

cpp/widgets/reader.cpp

@@ -219,24 +219,29 @@ void Reader::updateContent(QModelIndex index) {
 
 void Reader::stopExecution() {
     // Stops QThread if it's still running
-    if (searchThd->isRunning()) {
+    qDebug() << "Nullptr?:" << (searchThd == nullptr);
+    if (searchThd != nullptr) {
         *stopped = true;
     }
 }
 
 void Reader::clear() {
     stopExecution();
+    qDebug() << "+Reader: Stopped old thread execution!";
     if (poll->isActive()) {
         poll->stop();
     }
+    qDebug() << "+Reader: Stopped old timer";
     tickCount = 0;
     totalComplete = 0;
     qDeleteAll(alltables);
     alltables.clear();
     treeModel->clear();
     allData.clear();
+    qDebug() <<  "+Reader: Cleared tables, tree, and data!";
     stopped = new bool;
     *stopped = false;
+    qDebug() << "+Reader: Refreshed stopped boolean!";
 }
 
 void Reader::tRefresh() {

headers/rsearch.h

@@ -16,6 +16,7 @@ class rSearch : public QObject {
 
     public:
         rSearch(QStringList Dates, QMap<QString, QRegularExpression> Params, QString Base, QStringList Files, QStringList *Entries, bool *Complete);
+        ~rSearch() {qDebug() << "=rSearch Destroyed!";}
         // Variables
         QStringList dates; 
         QMap<QString, QRegularExpression> params;