network_gamelist.c
author Darkvater
Sun, 29 Jan 2006 19:50:01 +0000
changeset 2919 3e42ca528f01
parent 2885 fc5297214b36
child 4077 d4d440dd8925
permissions -rw-r--r--
(svn r3475) - Fix: you couldn't remove an item from a list-type of config ingame from the configuration file. Whatever you did, upon restart of OpenTTD those items were still there. To fix this we initialize the first item to NULL in SaveList as it is rebuilt anyways fully.
/* $Id$ */

#include "stdafx.h"
#include "debug.h"
#include "network_data.h"

#ifdef ENABLE_NETWORK

//
// This file handles the GameList
// Also, it handles the request to a server for data about the server

extern void UpdateNetworkGameWindow(bool unselect);

/** Add a new item to the linked gamelist. If the IP and Port match
 * return the existing item instead of adding it again
 * @param ip the IP-address (inet_addr) of the to-be added item
 * @param port the port the server is running on
 * @return a point to the newly added or already existing item */
NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port)
{
	NetworkGameList *item, *prev_item;

	prev_item = NULL;
	for (item = _network_game_list; item != NULL; item = item->next) {
		if (item->ip == ip && item->port == port) return item;
		prev_item = item;
	}

	item = malloc(sizeof(*item));
	memset(item, 0, sizeof(*item));
	item->next = NULL;
	item->ip = ip;
	item->port = port;

	if (prev_item == NULL) {_network_game_list = item;}
	else {prev_item->next = item;}
	DEBUG(net, 4) ("[NET][GameList] Added server to list");

	UpdateNetworkGameWindow(false);

	return item;
}

/** Remove an item from the gamelist linked list
 * @param remove pointer to the item to be removed */
void NetworkGameListRemoveItem(NetworkGameList *remove)
{
	NetworkGameList *item, *prev_item;

	prev_item = NULL;
	for (item = _network_game_list; item != NULL; item = item->next) {
		if (remove == item) {
			if (prev_item == NULL) {_network_game_list = remove->next;}
			else {prev_item->next = remove->next;}

			free(remove);
			DEBUG(net, 4) ("[NET][GameList] Removed server from list");
			UpdateNetworkGameWindow(false);
			return;
		}
		prev_item = item;
	}
}

#endif /* ENABLE_NETWORK */