add const

src/http_seed_connection.cpp

@@ -279,10 +279,10 @@ namespace libtorrent {
 					// temporarily unavailable, retry later
 					t->retry_web_seed(this, retry_time);
 
-					std::string error_msg = to_string(m_parser.status_code()).data()
-						+ (" " + m_parser.message());
 					if (t->alerts().should_post<url_seed_alert>())
 					{
+						std::string const error_msg = to_string(m_parser.status_code()).data()
+							+ (" " + m_parser.message());
 						t->alerts().emplace_alert<url_seed_alert>(t->get_handle(), url()
 							, error_msg);
 					}

src/http_stream.cpp

@@ -112,7 +112,7 @@ namespace libtorrent {
 		if (found_end)
 		{
 			m_buffer.push_back(0);
-			char* status = std::strchr(m_buffer.data(), ' ');
+			char const* status = std::strchr(m_buffer.data(), ' ');
 			if (status == nullptr)
 			{
 				h(boost::asio::error::operation_not_supported);
@@ -122,7 +122,7 @@ namespace libtorrent {
 			}
 
 			status++;
-			int code = std::atoi(status);
+			int const code = std::atoi(status);
 			if (code != 200)
 			{
 				h(boost::asio::error::operation_not_supported);

src/kademlia/node.cpp

@@ -270,7 +270,7 @@ void node::incoming(aux::listen_socket_handle const& s, msg const& m)
 		return;
 	}
 
-	char y = *(y_ent.string_ptr());
+	const char y = *(y_ent.string_ptr());
 
 	bdecode_node ext_ip = m.message.dict_find_string("ip");
 

src/session_impl.cpp

@@ -5810,13 +5810,12 @@ namespace {
 
 		void on_dht_put_mutable_item(alert_manager& alerts, dht::item const& i, int num)
 		{
-			dht::signature sig = i.sig();
-			dht::public_key pk = i.pk();
-			dht::sequence_number seq = i.seq();
-			std::string salt = i.salt();
-
 			if (alerts.should_post<dht_put_alert>())
 			{
+				dht::signature const sig = i.sig();
+				dht::public_key const pk = i.pk();
+				dht::sequence_number const seq = i.seq();
+				std::string const salt = i.salt();
 				alerts.emplace_alert<dht_put_alert>(pk.bytes, sig.bytes, salt
 					, seq.value, num);
 			}

src/web_peer_connection.cpp

@@ -582,10 +582,10 @@ void web_peer_connection::handle_error(int const bytes_left)
 	if (retry_time <= 0) retry_time = m_settings.get_int(settings_pack::urlseed_wait_retry);
 	// temporarily unavailable, retry later
 	t->retry_web_seed(this, retry_time);
-	std::string error_msg = to_string(m_parser.status_code()).data()
-		+ (" " + m_parser.message());
 	if (t->alerts().should_post<url_seed_alert>())
 	{
+		std::string const error_msg = to_string(m_parser.status_code()).data()
+			+ (" " + m_parser.message());
 		t->alerts().emplace_alert<url_seed_alert>(t->get_handle(), m_url
 			, error_msg);
 	}