fix: stop eating memory and added header guards

src/common/QvHelpers.hpp

@@ -50,7 +50,7 @@ namespace Qv2ray::common
     }
     //
     template<typename TYPE>
-    QString StructToJsonString(const TYPE t)
+    QString StructToJsonString(const TYPE &t)
     {
         return QString::fromStdString(x2struct::X::tojson(t, "", 4, ' '));
     }

src/core/connection/ConnectionIO.hpp

@@ -1,6 +1,6 @@
+#pragma once
 #include "base/Qv2rayBase.hpp"
 #include "core/CoreSafeTypes.hpp"
-
 namespace Qv2ray::core::connection
 {
     namespace ConnectionIO

src/core/connection/Generation.hpp

@@ -1,3 +1,4 @@
+#pragma once
 #include "base/Qv2rayBase.hpp"
 
 namespace Qv2ray::core::connection

src/core/connection/Serialization.hpp

@@ -1,3 +1,4 @@
+#pragma once
 #include "base/Qv2rayBase.hpp"
 #include "core/CoreSafeTypes.hpp"
 

src/core/settings/SettingsBackend.hpp

@@ -1,3 +1,4 @@
+#pragma once
 #include "base/Qv2rayBase.hpp"
 
 namespace Qv2ray::core::config

src/ui/w_PreferencesWindow.cpp

@@ -806,7 +806,7 @@ void PreferencesWindow::on_nsBarFontSizeSB_valueChanged(double arg1)
     SET_LINE_LIST_TEXT
 }
 
-QString PreferencesWindow::GetBarLineDescription(QvBarLine barLine)
+QString PreferencesWindow::GetBarLineDescription(const QvBarLine &barLine)
 {
     QString result = "Empty";
     result = NetSpeedPluginMessages[barLine.ContentType];

src/ui/w_PreferencesWindow.hpp

@@ -172,7 +172,7 @@ class PreferencesWindow
     void SetAutoStartButtonsState(bool isAutoStart);
     // Set ui parameters for a line;
     void ShowLineParameters(QvBarLine &line);
-    QString GetBarLineDescription(QvBarLine line);
+    QString GetBarLineDescription(const QvBarLine &barLine);
     //
     int CurrentBarLineId;
     int CurrentBarPageId;