Fixed ostream operator<< declared outside the class namespace, preventing ADL. (#1696)

Author: Dimi1010

Packet++/header/Layer.h

@@ -232,10 +232,9 @@ namespace pcpp
 		virtual bool shortenLayer(int offsetInLayer, size_t numOfBytesToShorten);
 	};
 
+	inline std::ostream& operator<<(std::ostream& os, const pcpp::Layer& layer)
+	{
+		os << layer.toString();
+		return os;
+	}
 }  // namespace pcpp
-
-inline std::ostream& operator<<(std::ostream& os, const pcpp::Layer& layer)
-{
-	os << layer.toString();
-	return os;
-}

Packet++/header/LdapLayer.h

@@ -1320,47 +1320,47 @@ namespace pcpp
 		    : LdapResponseLayer(std::move(asn1Record), data, dataLen, prevLayer, packet)
 		{}
 	};
-}  // namespace pcpp
-
-inline std::ostream& operator<<(std::ostream& os, const pcpp::LdapControl& control)
-{
-	os << "{" << control.controlType << ", " << control.controlValue << "}";
-	return os;
-}
 
-inline std::ostream& operator<<(std::ostream& os, const pcpp::LdapAttribute& attr)
-{
-	os << "{" << attr.type << ", {";
+	inline std::ostream& operator<<(std::ostream& os, const pcpp::LdapControl& control)
+	{
+		os << "{" << control.controlType << ", " << control.controlValue << "}";
+		return os;
+	}
 
-	std::string separator;
-	for (const auto& value : attr.values)
+	inline std::ostream& operator<<(std::ostream& os, const pcpp::LdapAttribute& attr)
 	{
-		os << separator << value;
-		if (separator.empty())
+		os << "{" << attr.type << ", {";
+
+		std::string separator;
+		for (const auto& value : attr.values)
 		{
-			separator = ", ";
+			os << separator << value;
+			if (separator.empty())
+			{
+				separator = ", ";
+			}
 		}
-	}
 
-	os << "}}";
-	return os;
-}
-
-inline std::ostream& operator<<(std::ostream& os,
-                                const pcpp::LdapBindRequestLayer::SaslAuthentication& saslAuthentication)
-{
-	os << "{" << saslAuthentication.mechanism << ", {";
+		os << "}}";
+		return os;
+	}
 
-	std::string separator;
-	for (const auto& value : saslAuthentication.credentials)
+	inline std::ostream& operator<<(std::ostream& os,
+	                                const pcpp::LdapBindRequestLayer::SaslAuthentication& saslAuthentication)
 	{
-		os << separator << "0x" << std::hex << static_cast<int>(value) << std::dec;
-		if (separator.empty())
+		os << "{" << saslAuthentication.mechanism << ", {";
+
+		std::string separator;
+		for (const auto& value : saslAuthentication.credentials)
 		{
-			separator = ", ";
+			os << separator << "0x" << std::hex << static_cast<int>(value) << std::dec;
+			if (separator.empty())
+			{
+				separator = ", ";
+			}
 		}
-	}
 
-	os << "}}";
-	return os;
-}
+		os << "}}";
+		return os;
+	}
+}  // namespace pcpp

Packet++/header/Packet.h

@@ -445,10 +445,9 @@ namespace pcpp
 		return dynamic_cast<TLayer*>(curLayer);
 	}
 
+	inline std::ostream& operator<<(std::ostream& os, const pcpp::Packet& packet)
+	{
+		os << packet.toString();
+		return os;
+	}
 }  // namespace pcpp
-
-inline std::ostream& operator<<(std::ostream& os, const pcpp::Packet& packet)
-{
-	os << packet.toString();
-	return os;
-}