Do not use reference, because then livetime must be considered

Author: Martin Marmsoler

include/libdbc/message.hpp

@@ -29,7 +29,7 @@ struct Message {
 	ParseSignalsStatus parseSignals(const std::vector<uint8_t>& data, std::vector<double>& values) const;
 
 	void appendSignal(const Signal& signal);
-	const std::vector<Signal>& getSignals() const;
+	const std::vector<Signal> getSignals() const;
 	uint32_t id() const;
 	void addValueDescription(const std::string& signal_name, const std::vector<Signal::SignalValueDescriptions>&);
 

src/message.cpp

@@ -67,7 +67,7 @@ void Message::appendSignal(const Signal& signal) {
 	m_signals.push_back(signal);
 }
 
-const std::vector<Signal>& Message::getSignals() const {
+const std::vector<Signal> Message::getSignals() const {
 	return m_signals;
 }