Codechange: [Network] Use std::string in CommandPacket

src/command_type.h

@@ -482,7 +482,7 @@ struct CommandContainer {
 	uint32 p2;                       ///< parameter p2.
 	uint32 cmd;                      ///< command being executed.
 	CommandCallback *callback;       ///< any callback function executed upon successful completion of the command.
-	char text[32 * MAX_CHAR_LENGTH]; ///< possible text sent for name changes etc, in bytes including '\0'.
+	std::string text;                ///< possible text sent for name changes etc.
 };
 
 #endif /* COMMAND_TYPE_H */

src/network/network.cpp

@@ -1071,7 +1071,7 @@ void NetworkGameLoop()
 			if (_date == next_date && _date_fract == next_date_fract) {
 				if (cp != nullptr) {
 					NetworkSendCommand(cp->tile, cp->p1, cp->p2, cp->cmd & ~CMD_FLAGS_MASK, nullptr, cp->text, cp->company);
-					DEBUG(desync, 0, "Injecting: %08x; %02x; %02x; %06x; %08x; %08x; %08x; \"%s\" (%s)", _date, _date_fract, (int)_current_company, cp->tile, cp->p1, cp->p2, cp->cmd, cp->text, GetCommandName(cp->cmd));
+					DEBUG(desync, 0, "Injecting: %08x; %02x; %02x; %06x; %08x; %08x; %08x; \"%s\" (%s)", _date, _date_fract, (int)_current_company, cp->tile, cp->p1, cp->p2, cp->cmd, cp->text.c_str(), GetCommandName(cp->cmd));
 					free(cp);
 					cp = nullptr;
 				}
@@ -1107,10 +1107,11 @@ void NetworkGameLoop()
 				) {
 				p += 5;
 				if (*p == ' ') p++;
-				cp = CallocT<CommandPacket>(1);
+				cp = new CommandPacket();
 				int company;
-				static_assert(sizeof(cp->text) == 128);
-				int ret = sscanf(p, "%x; %x; %x; %x; %x; %x; %x; \"%127[^\"]\"", &next_date, &next_date_fract, &company, &cp->tile, &cp->p1, &cp->p2, &cp->cmd, cp->text);
+				char buffer[128];
+				int ret = sscanf(p, "%x; %x; %x; %x; %x; %x; %x; \"%127[^\"]\"", &next_date, &next_date_fract, &company, &cp->tile, &cp->p1, &cp->p2, &cp->cmd, buffer);
+				cp->text = buffer;
 				/* There are 8 pieces of data to read, however the last is a
 				 * string that might or might not exist. Ignore it if that
 				 * string misses because in 99% of the time it's not used. */
@@ -1121,7 +1122,7 @@ void NetworkGameLoop()
 				int ret = sscanf(p + 6, "%x; %x", &next_date, &next_date_fract);
 				assert(ret == 2);
 				DEBUG(desync, 0, "Injecting pause for join at %08x:%02x; please join when paused", next_date, next_date_fract);
-				cp = CallocT<CommandPacket>(1);
+				cp = new CommandPacket();
 				cp->company = COMPANY_SPECTATOR;
 				cp->cmd = CMD_PAUSE;
 				cp->p1 = PM_PAUSED_NORMAL;

src/network/network_client.cpp

@@ -944,7 +944,7 @@ NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_DONE(Packet
 			 * the server will give us a client-id and let us in */
 			_network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
 			ShowJoinStatusWindow();
-			NetworkSendCommand(0, CCA_NEW, 0, CMD_COMPANY_CTRL, nullptr, nullptr, _local_company);
+			NetworkSendCommand(0, CCA_NEW, 0, CMD_COMPANY_CTRL, nullptr, {}, _local_company);
 		}
 	} else {
 		/* take control over an existing company */

src/network/network_command.cpp

@@ -56,7 +56,7 @@ static CommandCallback * const _callback_table[] = {
  */
 void CommandQueue::Append(CommandPacket *p)
 {
-	CommandPacket *add = MallocT<CommandPacket>(1);
+	CommandPacket *add = new CommandPacket();
 	*add = *p;
 	add->next = nullptr;
 	if (this->first == nullptr) {
@@ -113,7 +113,7 @@ void CommandQueue::Free()
 {
 	CommandPacket *cp;
 	while ((cp = this->Pop()) != nullptr) {
-		free(cp);
+		delete cp;
 	}
 	assert(this->count == 0);
 }
@@ -144,8 +144,7 @@ void NetworkSendCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, Comman
 	c.p2       = p2;
 	c.cmd      = cmd;
 	c.callback = callback;
-
-	strecpy(c.text, text.c_str(), lastof(c.text));
+	c.text     = text;
 
 	if (_network_server) {
 		/* If we are the server, we queue the command in our 'special' queue.
@@ -212,7 +211,7 @@ void NetworkExecuteLocalCommandQueue()
 		DoCommandP(cp, cp->my_cmd);
 
 		queue.Pop();
-		free(cp);
+		delete cp;
 	}
 
 	/* Local company may have changed, so we should not restore the old value */
@@ -271,7 +270,7 @@ static void DistributeQueue(CommandQueue *queue, const NetworkClientSocket *owne
 	while (--to_go >= 0 && (cp = queue->Pop(true)) != nullptr) {
 		DistributeCommandPacket(*cp, owner);
 		NetworkAdminCmdLogging(owner, cp);
-		free(cp);
+		delete cp;
 	}
 }
 
@@ -304,7 +303,7 @@ const char *NetworkGameSocketHandler::ReceiveCommand(Packet *p, CommandPacket *c
 	cp->p1      = p->Recv_uint32();
 	cp->p2      = p->Recv_uint32();
 	cp->tile    = p->Recv_uint32();
-	p->Recv_string(cp->text, lengthof(cp->text), (!_network_server && GetCommandFlags(cp->cmd) & CMD_STR_CTRL) != 0 ? SVS_ALLOW_CONTROL_CODE | SVS_REPLACE_WITH_QUESTION_MARK : SVS_REPLACE_WITH_QUESTION_MARK);
+	cp->text    = p->Recv_string(NETWORK_COMPANY_NAME_LENGTH, (!_network_server && GetCommandFlags(cp->cmd) & CMD_STR_CTRL) != 0 ? SVS_ALLOW_CONTROL_CODE | SVS_REPLACE_WITH_QUESTION_MARK : SVS_REPLACE_WITH_QUESTION_MARK);
 
 	byte callback = p->Recv_uint8();
 	if (callback >= lengthof(_callback_table))  return "invalid callback";

src/network/network_gui.cpp

@@ -1825,7 +1825,7 @@ private:
 		if (_network_server) {
 			DoCommandP(0, CCA_NEW, _network_own_client_id, CMD_COMPANY_CTRL);
 		} else {
-			NetworkSendCommand(0, CCA_NEW, 0, CMD_COMPANY_CTRL, nullptr, nullptr, _local_company);
+			NetworkSendCommand(0, CCA_NEW, 0, CMD_COMPANY_CTRL, nullptr, {}, _local_company);
 		}
 	}
 

src/network/network_server.cpp

@@ -2182,7 +2182,7 @@ void NetworkServerNewCompany(const Company *c, NetworkClientInfo *ci)
 		/* ci is nullptr when replaying, or for AIs. In neither case there is a client. */
 		ci->client_playas = c->index;
 		NetworkUpdateClientInfo(ci->client_id);
-		NetworkSendCommand(0, 0, 0, CMD_RENAME_PRESIDENT, nullptr, ci->client_name.c_str(), c->index);
+		NetworkSendCommand(0, 0, 0, CMD_RENAME_PRESIDENT, nullptr, ci->client_name, c->index);
 	}
 
 	/* Announce new company on network. */

src/settings.cpp

@@ -1864,7 +1864,7 @@ void SyncCompanySettings()
 	for (auto &sd : _company_settings) {
 		uint32 old_value = (uint32)sd->AsIntSetting()->Read(new_object);
 		uint32 new_value = (uint32)sd->AsIntSetting()->Read(old_object);
-		if (old_value != new_value) NetworkSendCommand(0, i, new_value, CMD_CHANGE_COMPANY_SETTING, nullptr, nullptr, _local_company);
+		if (old_value != new_value) NetworkSendCommand(0, i, new_value, CMD_CHANGE_COMPANY_SETTING, nullptr, {}, _local_company);
 		i++;
 	}
 }