QT: Fix QString -> char*

wb/lib/wb/qt/wb_wda_qt.cqt

@@ -429,12 +429,19 @@ void WdaQt::open_class_dialog(char* hierstr, char* classstr, char* namestr)
 
   int res = wdaclass_dia.exec();
   if (res == QDialog::Accepted) {
-    char* hiername = qPrintableLatin1(wdaclass_hiervalue->text());
-    char* searchname = qPrintableLatin1(wdaclass_namevalue->text());
-    char* classname = qPrintableLatin1(wdaclass_classvalue->text());
+    char* hiername = (char*)malloc(wdaclass_hiervalue->text().length() + 1);
+    char* searchname = (char*)malloc(wdaclass_namevalue->text().length() + 1);
+    char* classname = (char*)malloc(wdaclass_classvalue->text().length() + 1);
+    strcpy(hiername, qPrintableLatin1(wdaclass_hiervalue->text()));
+    strcpy(searchname, qPrintableLatin1(wdaclass_namevalue->text()));
+    strcpy(classname, qPrintableLatin1(wdaclass_classvalue->text()));
     bool attrobjects = wdaclass_attrobjects->isChecked();
 
     toplevel->class_activate_ok(hiername, searchname, classname, attrobjects);
+
+    free(hiername);
+    free(searchname);
+    free(classname);
   }
 }
 

xtt/lib/xtt/qt/xtt_hist_qt.cqt

@@ -371,15 +371,24 @@ void HistQtWidget::ok_btn()
   hist->eventPrio_D = hist->prioD_toggle_w->isChecked();
 
   hist->minTime_str = (char*)malloc(hist->start_time_entry_w->text().length() + 1);
-  strcpy(hist->minTime_str, qPrintableLatin1(hist->start_time_entry_w->text()));
   hist->maxTime_str = (char*)malloc(hist->stop_time_entry_w->text().length() + 1);
-  strcpy(hist->maxTime_str, qPrintableLatin1(hist->stop_time_entry_w->text()));
   hist->eventText_str = (char*)malloc(hist->event_text_entry_w->text().length() + 1);
-  strcpy(hist->eventText_str, qPrintableLatin1(hist->event_text_entry_w->text()));
   hist->eventName_str = (char*)malloc(hist->event_name_entry_w->text().length() + 1);
+  strcpy(hist->minTime_str, qPrintableLatin1(hist->start_time_entry_w->text()));
+  strcpy(hist->maxTime_str, qPrintableLatin1(hist->stop_time_entry_w->text()));
+  strcpy(hist->eventText_str, qPrintableLatin1(hist->event_text_entry_w->text()));
   strcpy(hist->eventName_str, qPrintableLatin1(hist->event_name_entry_w->text()));
 
   hist->get_hist_list();
+
+  free(hist->minTime_str);
+  free(hist->maxTime_str);
+  free(hist->eventText_str);
+  free(hist->eventName_str);
+  hist->minTime_str = NULL;
+  hist->maxTime_str = NULL;
+  hist->eventText_str = NULL;
+  hist->eventName_str = NULL;
 }
 
 void HistQtWidget::activate_print()