IRC_PROTOCOL_CALLBACK(kick)
{
    char *pos_comment;
    const char *ptr_autorejoin;
    int rejoin;
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick, *ptr_nick_kicked;

    IRC_PROTOCOL_MIN_ARGS(4);
    IRC_PROTOCOL_CHECK_HOST;

    pos_comment = (argc > 4) ?
        ((argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]) : NULL;

    ptr_channel = irc_channel_search (server, argv[2]);
    if (!ptr_channel)
        return WEECHAT_RC_OK;

    ptr_nick = irc_nick_search (server, ptr_channel, nick);
    ptr_nick_kicked = irc_nick_search (server, ptr_channel, argv[3]);

    if (pos_comment)
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (server, NULL, command, NULL,
                                             ptr_channel->buffer),
            date,
            irc_protocol_tags (command, NULL, NULL, address),
            _("%s%s%s%s has kicked %s%s%s %s(%s%s%s)"),
            weechat_prefix ("quit"),
            irc_nick_color_for_msg (server, 1, ptr_nick, nick),
            nick,
            IRC_COLOR_MESSAGE_KICK,
            irc_nick_color_for_msg (server, 1, ptr_nick_kicked, argv[3]),
            argv[3],
            IRC_COLOR_MESSAGE_KICK,
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_REASON_KICK,
            pos_comment,
            IRC_COLOR_CHAT_DELIMITERS);
    }
    else
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (server, NULL, command, NULL,
                                             ptr_channel->buffer),
            date,
            irc_protocol_tags (command, NULL, NULL, address),
            _("%s%s%s%s has kicked %s%s%s"),
            weechat_prefix ("quit"),
            irc_nick_color_for_msg (server, 1, ptr_nick, nick),
            nick,
            IRC_COLOR_MESSAGE_KICK,
            irc_nick_color_for_msg (server, 1, ptr_nick_kicked, argv[3]),
            argv[3],
            IRC_COLOR_MESSAGE_KICK);
    }

    if (irc_server_strcasecmp (server, argv[3], server->nick) == 0)
    {
        /*
         * my nick was kicked => free all nicks, channel is not active any
         * more
         */
        irc_nick_free_all (server, ptr_channel);

        irc_channel_modelist_set_state (ptr_channel,
                                        IRC_MODELIST_STATE_MODIFIED);

        /* read option "autorejoin" in server */
        rejoin = IRC_SERVER_OPTION_BOOLEAN(server, IRC_SERVER_OPTION_AUTOREJOIN);

        /*
         * if buffer has a local variable "autorejoin", use it
         * (it has higher priority than server option
         */
        ptr_autorejoin = weechat_buffer_get_string (ptr_channel->buffer,
                                                    "localvar_autorejoin");
        if (ptr_autorejoin)
            rejoin = weechat_config_string_to_boolean (ptr_autorejoin);

        if (rejoin)
        {
            if (IRC_SERVER_OPTION_INTEGER(server,
                                          IRC_SERVER_OPTION_AUTOREJOIN_DELAY) == 0)
            {
                /* immediately rejoin if delay is 0 */
                irc_channel_rejoin (server, ptr_channel);
            }
            else
            {
                /* rejoin channel later, according to delay */
                ptr_channel->hook_autorejoin =
                    weechat_hook_timer (
                        IRC_SERVER_OPTION_INTEGER(server,
                                                  IRC_SERVER_OPTION_AUTOREJOIN_DELAY) * 1000,
                        0, 1,
                        &irc_channel_autorejoin_cb,
                        ptr_channel, NULL);
            }
        }

        irc_bar_item_update_channel ();
    }
    else
    {
        /*
         * someone was kicked from channel (but not me) => remove only this
         * nick
         */
        if (ptr_nick_kicked)
            irc_nick_free (server, ptr_channel, ptr_nick_kicked);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(numeric)
{
    char *pos_args;

    IRC_PROTOCOL_MIN_ARGS(3);

    if (irc_server_strcasecmp (server, server->nick, argv[2]) == 0)
    {
        pos_args = (argc > 3) ?
            ((argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3]) : NULL;
    }
    else
    {
        pos_args = (argv_eol[2][0] == ':') ? argv_eol[2] + 1 : argv_eol[2];
    }

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (server, NULL, command, NULL, NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s",
        weechat_prefix ("network"),
        pos_args);

    return WEECHAT_RC_OK;
}

irc: fix crash when receiving a malformed message 352 (who)

Thanks to Stuart Nevans Locke for reporting the issue.


IRC_PROTOCOL_CALLBACK(pong)
{
    struct timeval tv;

    IRC_PROTOCOL_MIN_ARGS(0);

    if (server->lag_check_time.tv_sec != 0)
    {
        /* calculate lag (time diff with lag check) */
        gettimeofday (&tv, NULL);
        server->lag = (int)(weechat_util_timeval_diff (&(server->lag_check_time),
                                                       &tv) / 1000);

        /* schedule next lag check */
        server->lag_check_time.tv_sec = 0;
        server->lag_check_time.tv_usec = 0;
        server->lag_next_check = time (NULL) +
            weechat_config_integer (irc_config_network_lag_check);

        /* refresh lag bar item if needed */
        if (server->lag != server->lag_displayed)
        {
            server->lag_displayed = server->lag;
            irc_server_set_lag (server);
        }
    }
    else
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (server, NULL, command, NULL, NULL),
            date,
            irc_protocol_tags (command, NULL, NULL, NULL),
            "PONG%s%s",
            (argc >= 4) ? ": " : "",
            (argc >= 4) ? ((argv_eol[3][0] == ':') ?
                           argv_eol[3] + 1 : argv_eol[3]) : "");
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(470)
{
    struct t_gui_buffer *ptr_buffer;
    struct t_gui_lines *own_lines;
    const char *buffer_name, *short_name, *localvar_channel;
    char *old_channel_lower, *new_channel_lower;
    int lines_count;

    irc_protocol_cb_generic_error (server,
                                   date, nick, address, host, command,
                                   ignored, argc, argv, argv_eol);

    if ((argc >= 5) && !irc_channel_search (server, argv[3]))
    {
        ptr_buffer = irc_channel_search_buffer (server,
                                                IRC_CHANNEL_TYPE_CHANNEL,
                                                argv[3]);
        if (ptr_buffer)
        {
            short_name = weechat_buffer_get_string (ptr_buffer, "short_name");
            localvar_channel = weechat_buffer_get_string (ptr_buffer,
                                                          "localvar_channel");
            if (!short_name
                || (localvar_channel
                    && (strcmp (localvar_channel, short_name) == 0)))
            {
                /*
                 * update the short_name only if it was not changed by the
                 * user
                 */
                weechat_buffer_set (ptr_buffer, "short_name", argv[4]);
            }
            buffer_name = irc_buffer_build_name (server->name, argv[4]);
            weechat_buffer_set (ptr_buffer, "name", buffer_name);
            weechat_buffer_set (ptr_buffer, "localvar_set_channel", argv[4]);

            /*
             * check if logger backlog should be displayed for the new channel
             * name: it is displayed only if the buffer is currently completely
             * empty (no messages at all)
             */
            lines_count = 0;
            own_lines = weechat_hdata_pointer (weechat_hdata_get ("buffer"),
                                               ptr_buffer, "own_lines");
            if (own_lines)
            {
                lines_count = weechat_hdata_integer (
                    weechat_hdata_get ("lines"),
                    own_lines, "lines_count");
            }
            if (lines_count == 0)
            {
                (void) weechat_hook_signal_send ("logger_backlog",
                                                 WEECHAT_HOOK_SIGNAL_POINTER,
                                                 ptr_buffer);
            }
        }

        old_channel_lower = strdup (argv[3]);
        if (old_channel_lower)
        {
            weechat_string_tolower (old_channel_lower);
            new_channel_lower = strdup (argv[4]);
            if (new_channel_lower)
            {
                weechat_string_tolower (new_channel_lower);

                if (weechat_hashtable_has_key (server->join_manual,
                                               old_channel_lower))
                {
                    weechat_hashtable_set (server->join_manual,
                                           new_channel_lower,
                                           weechat_hashtable_get (
                                               server->join_manual,
                                               old_channel_lower));
                    weechat_hashtable_remove (server->join_manual,
                                              old_channel_lower);
                }

                if (weechat_hashtable_has_key (server->join_noswitch,
                                               old_channel_lower))
                {
                    weechat_hashtable_set (server->join_noswitch,
                                           new_channel_lower,
                                           weechat_hashtable_get (
                                               server->join_noswitch,
                                               old_channel_lower));
                    weechat_hashtable_remove (server->join_noswitch,
                                              old_channel_lower);
                }

                free (new_channel_lower);
            }

            free (old_channel_lower);
        }
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(734)
{
    char *pos_args;

    IRC_PROTOCOL_MIN_ARGS(5);

    pos_args = (argc > 5) ?
        ((argv_eol[5][0] == ':') ? argv_eol[5] + 1 : argv_eol[5]) : NULL;

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "monitor", NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s (%s)",
        weechat_prefix ("error"),
        (pos_args && pos_args[0]) ? pos_args : "",
        argv[3]);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(349)
{
    char *pos_args;
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;
    struct t_irc_modelist *ptr_modelist;

    IRC_PROTOCOL_MIN_ARGS(4);

    pos_args = (argc > 4) ?
        ((argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]) : NULL;

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_buffer = (ptr_channel && ptr_channel->nicks) ?
        ptr_channel->buffer : server->buffer;
    ptr_modelist = irc_modelist_search (ptr_channel, 'e');
    if (ptr_modelist)
    {
        if (ptr_modelist->state != IRC_MODELIST_STATE_RECEIVING)
        {
            /*
             * remove all items if no exception was received before
             * the end of exception list
             */
            irc_modelist_item_free_all (ptr_modelist);
        }
        ptr_modelist->state = IRC_MODELIST_STATE_RECEIVED;
    }
    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "exceptionlist", ptr_buffer),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s[%s%s%s]%s%s%s",
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_CHAT_CHANNEL,
        argv[3],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (pos_args) ? " " : "",
        (pos_args) ? pos_args : "");

    return WEECHAT_RC_OK;
}


irc_protocol_get_message_tags (const char *tags)
{
    struct t_hashtable *hashtable;
    char **items, *pos, *key;
    int num_items, i;

    if (!tags || !tags[0])
        return NULL;

    hashtable = weechat_hashtable_new (32,
                                       WEECHAT_HASHTABLE_STRING,
                                       WEECHAT_HASHTABLE_STRING,
                                       NULL, NULL);
    if (!hashtable)
        return NULL;

    items = weechat_string_split (tags, ";", NULL,
                                  WEECHAT_STRING_SPLIT_STRIP_LEFT
                                  | WEECHAT_STRING_SPLIT_STRIP_RIGHT
                                  | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
                                  0, &num_items);
    if (items)
    {
        for (i = 0; i < num_items; i++)
        {
            pos = strchr (items[i], '=');
            if (pos)
            {
                /* format: "tag=value" */
                key = weechat_strndup (items[i], pos - items[i]);
                if (key)
                {
                    weechat_hashtable_set (hashtable, key, pos + 1);
                    free (key);
                }
            }
            else
            {
                /* format: "tag" */
                weechat_hashtable_set (hashtable, items[i], NULL);
            }
        }
        weechat_string_free_split (items);
    }

    return hashtable;
}


IRC_PROTOCOL_CALLBACK(353)
{
    char *pos_channel, *pos_nick, *pos_nick_orig, *pos_host, *nickname;
    char *prefixes, *str_nicks, *color;
    int args, i, length;
    struct t_irc_channel *ptr_channel;

    IRC_PROTOCOL_MIN_ARGS(5);

    if (irc_channel_is_channel (server, argv[3]))
    {
        pos_channel = argv[3];
        args = 4;
    }
    else
    {
        pos_channel = argv[4];
        args = 5;
    }

    IRC_PROTOCOL_MIN_ARGS(args + 1);

    ptr_channel = irc_channel_search (server, pos_channel);
    str_nicks = NULL;

    /*
     * for a channel without buffer, prepare a string that will be built
     * with nicks and colors (argc - args is the number of nicks)
     */
    if (!ptr_channel)
    {
        /*
         * prefix color (16) + nick color (16) + reset color (16) = 48 bytes
         * added for each nick
         */
        length = strlen (argv_eol[args]) + ((argc - args) * (16 + 16 + 16)) + 1;
        str_nicks = malloc (length);
        if (str_nicks)
            str_nicks[0] = '\0';
    }

    for (i = args; i < argc; i++)
    {
        pos_nick = (argv[i][0] == ':') ? argv[i] + 1 : argv[i];
        pos_nick_orig = pos_nick;

        /* skip and save prefix(es) */
        while (pos_nick[0]
               && (irc_server_get_prefix_char_index (server, pos_nick[0]) >= 0))
        {
            pos_nick++;
        }
        prefixes = (pos_nick > pos_nick_orig) ?
            weechat_strndup (pos_nick_orig, pos_nick - pos_nick_orig) : NULL;

        /* extract nick from host */
        pos_host = strchr (pos_nick, '!');
        if (pos_host)
        {
            nickname = weechat_strndup (pos_nick, pos_host - pos_nick);
            pos_host++;
        }
        else
            nickname = strdup (pos_nick);

        /* add or update nick on channel */
        if (nickname)
        {
            if (ptr_channel && ptr_channel->nicks)
            {
                if (!irc_nick_new (server, ptr_channel, nickname, pos_host,
                                   prefixes, 0, NULL, NULL))
                {
                    weechat_printf (
                        server->buffer,
                        _("%s%s: cannot create nick \"%s\" for channel \"%s\""),
                        weechat_prefix ("error"), IRC_PLUGIN_NAME, nickname,
                        ptr_channel->name);
                }
            }
            else if (!ptr_channel && str_nicks)
            {
                if (str_nicks[0])
                {
                    strcat (str_nicks, IRC_COLOR_RESET);
                    strcat (str_nicks, " ");
                }
                if (prefixes)
                {
                    strcat (str_nicks,
                            weechat_color (
                                irc_nick_get_prefix_color_name (server,
                                                                prefixes[0])));
                    strcat (str_nicks, prefixes);
                }
                if (weechat_config_boolean (irc_config_look_color_nicks_in_names))
                {
                    if (irc_server_strcasecmp (server, nickname, server->nick) == 0)
                        strcat (str_nicks, IRC_COLOR_CHAT_NICK_SELF);
                    else
                    {
                        color = irc_nick_find_color (nickname);
                        strcat (str_nicks, color);
                        if (color)
                            free (color);
                    }
                }
                else
                    strcat (str_nicks, IRC_COLOR_RESET);
                strcat (str_nicks, nickname);
            }
            free (nickname);
        }
        if (prefixes)
            free (prefixes);
    }

    if (!ptr_channel)
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, NULL, command, "names", NULL),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            _("%sNicks %s%s%s: %s[%s%s%s]"),
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_CHANNEL,
            pos_channel,
            IRC_COLOR_RESET,
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            (str_nicks) ? str_nicks : "",
            IRC_COLOR_CHAT_DELIMITERS);
    }

    if (str_nicks)
        free (str_nicks);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(generic_error)
{
    int first_arg;
    char *chan_nick, *args;
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(4);

    first_arg = (irc_server_strcasecmp (server, argv[2], server->nick) == 0) ? 3 : 2;

    if ((argv[first_arg][0] != ':') && argv[first_arg + 1])
    {
        chan_nick = argv[first_arg];
        args = argv_eol[first_arg + 1];
    }
    else
    {
        chan_nick = NULL;
        args = argv_eol[first_arg];
    }
    if (args[0] == ':')
        args++;

    ptr_channel = NULL;
    if (chan_nick)
        ptr_channel = irc_channel_search (server, chan_nick);

    ptr_buffer = (ptr_channel) ? ptr_channel->buffer : server->buffer;

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command,
            ((strcmp (command, "401") == 0)
             || (strcmp (command, "402") == 0)) ? "whois" : NULL,
            ptr_buffer),
        date,
        irc_protocol_tags (command, NULL, NULL, NULL),
        "%s%s%s%s%s%s",
        weechat_prefix ("network"),
        (ptr_channel && chan_nick
         && (irc_server_strcasecmp (server, chan_nick,
                                    ptr_channel->name) == 0)) ?
        IRC_COLOR_CHAT_CHANNEL : "",
        (chan_nick) ? chan_nick : "",
        IRC_COLOR_RESET,
        (chan_nick) ? ": " : "",
        args);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(432)
{
    const char *alternate_nick;
    struct t_gui_buffer *ptr_buffer;

    irc_protocol_cb_generic_error (server,
                                   date, nick, address, host, command,
                                   ignored, argc, argv, argv_eol);

    if (!server->is_connected)
    {
        ptr_buffer = irc_msgbuffer_get_target_buffer (server, NULL,
                                                      command, NULL, NULL);

        alternate_nick = irc_server_get_alternate_nick (server);
        if (!alternate_nick)
        {
            weechat_printf_date_tags (
                ptr_buffer, date, NULL,
                _("%s%s: all declared nicknames are already in use or "
                  "invalid, closing connection with server"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME);
            irc_server_disconnect (server, 0, 1);
            return WEECHAT_RC_OK;
        }

        weechat_printf_date_tags (
            ptr_buffer, date, NULL,
            _("%s%s: nickname \"%s\" is invalid, trying nickname \"%s\""),
            weechat_prefix ("error"), IRC_PLUGIN_NAME,
            server->nick, alternate_nick);

        irc_server_set_nick (server, alternate_nick);

        irc_server_sendf (
            server, 0, NULL,
            "NICK %s%s",
            (server->nick && strchr (server->nick, ':')) ? ":" : "",
            server->nick);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(301)
{
    char *pos_away_msg;
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(3);

    if (argc > 4)
    {
        pos_away_msg = (argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4];

        /* look for private buffer to display message */
        ptr_channel = irc_channel_search (server, argv[3]);
        if (!weechat_config_boolean (irc_config_look_display_pv_away_once)
            || !ptr_channel
            || !(ptr_channel->away_message)
            || (strcmp (ptr_channel->away_message, pos_away_msg) != 0))
        {
            ptr_buffer = (ptr_channel) ? ptr_channel->buffer : server->buffer;
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, argv[3], command, "whois", ptr_buffer),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, address),
                _("%s%s[%s%s%s]%s is away: %s"),
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_DELIMITERS,
                irc_nick_color_for_msg (server, 1, NULL, argv[3]),
                argv[3],
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_RESET,
                pos_away_msg);
            if (ptr_channel)
            {
                if (ptr_channel->away_message)
                    free (ptr_channel->away_message);
                ptr_channel->away_message = strdup (pos_away_msg);
            }
        }
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(367)
{
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;
    struct t_irc_modelist *ptr_modelist;
    time_t datetime;
    const char *nick_address;
    char str_number[64];

    IRC_PROTOCOL_MIN_ARGS(5);

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_buffer = (ptr_channel && ptr_channel->nicks) ?
        ptr_channel->buffer : server->buffer;
    ptr_modelist = irc_modelist_search (ptr_channel, 'b');

    if (ptr_modelist)
    {
        /* start receiving new list */
        if (ptr_modelist->state != IRC_MODELIST_STATE_RECEIVING)
        {
            irc_modelist_item_free_all (ptr_modelist);
            ptr_modelist->state = IRC_MODELIST_STATE_RECEIVING;
        }

        snprintf (str_number, sizeof (str_number),
                  "%s[%s%d%s] ",
                  IRC_COLOR_CHAT_DELIMITERS,
                  IRC_COLOR_RESET,
                  ((ptr_modelist->last_item) ? ptr_modelist->last_item->number + 1 : 0) + 1,
                  IRC_COLOR_CHAT_DELIMITERS);
    }
    else
        str_number[0] = '\0';

    if (argc >= 6)
    {
        nick_address = irc_protocol_nick_address (
            server, 1, NULL, irc_message_get_nick_from_host (argv[5]),
            irc_message_get_address_from_host (argv[5]));
        if (argc >= 7)
        {
            datetime = (time_t)(atol ((argv[6][0] == ':') ? argv[6] + 1 : argv[6]));
            if (ptr_modelist)
                irc_modelist_item_new (ptr_modelist, argv[4], argv[5], datetime);
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, "banlist", ptr_buffer),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                /* TRANSLATORS: "%s" after "on" is a date */
                _("%s%s[%s%s%s] %s%s%s%s banned by %s on %s"),
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_CHAT_CHANNEL,
                argv[3],
                IRC_COLOR_CHAT_DELIMITERS,
                str_number,
                IRC_COLOR_CHAT_HOST,
                argv[4],
                IRC_COLOR_RESET,
                (nick_address[0]) ? nick_address : "?",
                weechat_util_get_time_string (&datetime));
        }
        else
        {
            if (ptr_modelist)
                irc_modelist_item_new (ptr_modelist, argv[4], argv[5], 0);
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, "banlist", ptr_buffer),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                _("%s%s[%s%s%s] %s%s%s%s banned by %s"),
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_CHAT_CHANNEL,
                argv[3],
                IRC_COLOR_CHAT_DELIMITERS,
                str_number,
                IRC_COLOR_CHAT_HOST,
                argv[4],
                IRC_COLOR_RESET,
                (nick_address[0]) ? nick_address : "?");
        }
    }
    else
    {
        if (ptr_modelist)
            irc_modelist_item_new (ptr_modelist, argv[4], NULL, 0);
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, NULL, command, "banlist", ptr_buffer),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            _("%s%s[%s%s%s] %s%s%s%s banned"),
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_CHAT_CHANNEL,
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            str_number,
            IRC_COLOR_CHAT_HOST,
            argv[4],
            IRC_COLOR_RESET);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(344)
{
    IRC_PROTOCOL_MIN_ARGS(5);

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (server, NULL, command, "reop", NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        _("%sChannel reop %s%s%s: %s%s"),
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_CHANNEL,
        argv[3],
        IRC_COLOR_RESET,
        IRC_COLOR_CHAT_HOST,
        (argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(317)
{
    int idle_time, day, hour, min, sec;
    time_t datetime;
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(6);

    idle_time = atoi (argv[4]);
    day = idle_time / (60 * 60 * 24);
    hour = (idle_time % (60 * 60 * 24)) / (60 * 60);
    min = ((idle_time % (60 * 60 * 24)) % (60 * 60)) / 60;
    sec = ((idle_time % (60 * 60 * 24)) % (60 * 60)) % 60;

    datetime = (time_t)(atol (argv[5]));

    ptr_buffer = irc_msgbuffer_get_target_buffer (server, argv[3],
                                                  command, "whois", NULL);

    if (day > 0)
    {
        weechat_printf_date_tags (
            ptr_buffer,
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            _("%s%s[%s%s%s]%s idle: %s%d %s%s, %s%02d %s%s %s%02d %s%s %s%02d "
              "%s%s, signon at: %s%s"),
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_DELIMITERS,
            irc_nick_color_for_msg (server, 1, NULL, argv[3]),
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            IRC_COLOR_CHAT_CHANNEL,
            day,
            IRC_COLOR_RESET,
            NG_("day", "days", day),
            IRC_COLOR_CHAT_CHANNEL,
            hour,
            IRC_COLOR_RESET,
            NG_("hour", "hours", hour),
            IRC_COLOR_CHAT_CHANNEL,
            min,
            IRC_COLOR_RESET,
            NG_("minute", "minutes", min),
            IRC_COLOR_CHAT_CHANNEL,
            sec,
            IRC_COLOR_RESET,
            NG_("second", "seconds", sec),
            IRC_COLOR_CHAT_CHANNEL,
            weechat_util_get_time_string (&datetime));
    }
    else
    {
        weechat_printf_date_tags (
            ptr_buffer,
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            _("%s%s[%s%s%s]%s idle: %s%02d %s%s %s%02d %s%s %s%02d %s%s, "
              "signon at: %s%s"),
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_DELIMITERS,
            irc_nick_color_for_msg (server, 1, NULL, argv[3]),
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            IRC_COLOR_CHAT_CHANNEL,
            hour,
            IRC_COLOR_RESET,
            NG_("hour", "hours", hour),
            IRC_COLOR_CHAT_CHANNEL,
            min,
            IRC_COLOR_RESET,
            NG_("minute", "minutes", min),
            IRC_COLOR_CHAT_CHANNEL,
            sec,
            IRC_COLOR_RESET,
            NG_("second", "seconds", sec),
            IRC_COLOR_CHAT_CHANNEL,
            weechat_util_get_time_string (&datetime));
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(ping)
{
    IRC_PROTOCOL_MIN_ARGS(2);

    irc_server_sendf (server, 0, NULL, "PONG :%s",
                      (argv_eol[1][0] == ':') ? argv_eol[1] + 1 : argv_eol[1]);

    return WEECHAT_RC_OK;
}


irc_protocol_log_level_for_command (const char *command)
{
    if (!command || !command[0])
        return 0;

    if ((strcmp (command, "privmsg") == 0)
        || (strcmp (command, "notice") == 0))
        return 1;

    if (strcmp (command, "nick") == 0)
        return 2;

    if ((strcmp (command, "join") == 0)
        || (strcmp (command, "part") == 0)
        || (strcmp (command, "quit") == 0)
        || (strcmp (command, "nick_back") == 0))
        return 4;

    return 3;
}


IRC_PROTOCOL_CALLBACK(303)
{
    IRC_PROTOCOL_MIN_ARGS(4);

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (server, NULL, command, NULL, NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        _("%sUsers online: %s%s"),
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_NICK,
        (argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3]);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(321)
{
    char *pos_args;

    IRC_PROTOCOL_MIN_ARGS(4);

    pos_args = (argc > 4) ?
        ((argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]) : NULL;

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "list", NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s%s%s",
        weechat_prefix ("network"),
        argv[3],
        (pos_args) ? " " : "",
        (pos_args) ? pos_args : "");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(332)
{
    char *pos_topic, *topic_no_color, *topic_color;
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(4);

    pos_topic = NULL;
    if (argc >= 5)
        pos_topic = (argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4];

    ptr_channel = irc_channel_search (server, argv[3]);

    if (ptr_channel && ptr_channel->nicks)
    {
        if (pos_topic)
        {
            topic_no_color = (weechat_config_boolean (irc_config_network_colors_receive)) ?
                NULL : irc_color_decode (pos_topic, 0);
            irc_channel_set_topic (ptr_channel,
                                   (topic_no_color) ? topic_no_color : pos_topic);
            if (topic_no_color)
                free (topic_no_color);
        }
        ptr_buffer = ptr_channel->buffer;
    }
    else
        ptr_buffer = server->buffer;

    topic_color = NULL;
    if (pos_topic)
    {
        topic_color = irc_color_decode (pos_topic,
                                        (weechat_config_boolean (irc_config_network_colors_receive)) ? 1 : 0);
    }

    if (!ptr_channel
        || (weechat_hashtable_has_key (ptr_channel->join_msg_received, command))
        || weechat_hashtable_has_key (irc_config_hashtable_display_join_message, command))
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, NULL, command, NULL, ptr_buffer),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            _("%sTopic for %s%s%s is \"%s%s%s\""),
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_CHANNEL,
            argv[3],
            IRC_COLOR_RESET,
            IRC_COLOR_TOPIC_CURRENT,
            (topic_color) ? topic_color : ((pos_topic) ? pos_topic : ""),
            IRC_COLOR_RESET);
    }

    if (topic_color)
        free (topic_color);

    if (ptr_channel)
        weechat_hashtable_set (ptr_channel->join_msg_received, command, "1");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(322)
{
    char *pos_topic;

    IRC_PROTOCOL_MIN_ARGS(5);

    pos_topic = (argc > 5) ?
        ((argv_eol[5][0] == ':') ? argv_eol[5] + 1 : argv_eol[5]) : NULL;

    if (!server->cmd_list_regexp ||
        (regexec (server->cmd_list_regexp, argv[3], 0, NULL, 0) == 0))
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, NULL, command, "list", NULL),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            "%s%s%s%s(%s%s%s)%s%s%s",
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_CHANNEL,
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            argv[4],
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            (pos_topic && pos_topic[0]) ? ": " : "",
            (pos_topic && pos_topic[0]) ? pos_topic : "");
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(331)
{
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(4);

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_buffer = (ptr_channel) ? ptr_channel->buffer : server->buffer;
    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, argv[3], command, NULL, ptr_buffer),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        _("%sNo topic set for channel %s%s"),
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_CHANNEL,
        argv[3]);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(368)
{
    char *pos_args;
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;
    struct t_irc_modelist *ptr_modelist;

    IRC_PROTOCOL_MIN_ARGS(4);

    pos_args = (argc > 4) ?
        ((argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]) : NULL;

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_buffer = (ptr_channel && ptr_channel->nicks) ?
        ptr_channel->buffer : server->buffer;
    ptr_modelist = irc_modelist_search (ptr_channel, 'b');
    if (ptr_modelist)
    {
        if (ptr_modelist->state != IRC_MODELIST_STATE_RECEIVING)
        {
            /*
             * remove all items if no ban was received before
             * the end of ban list
             */
            irc_modelist_item_free_all (ptr_modelist);
        }
        ptr_modelist->state = IRC_MODELIST_STATE_RECEIVED;
    }
    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "banlist", ptr_buffer),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s[%s%s%s]%s%s%s",
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_CHAT_CHANNEL,
        argv[3],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (pos_args) ? " " : "",
        (pos_args) ? pos_args : "");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(900)
{
    IRC_PROTOCOL_MIN_ARGS(6);

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (server, argv[3], command, NULL, NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s %s(%s%s%s)",
        weechat_prefix ("network"),
        (argv_eol[5][0] == ':') ? argv_eol[5] + 1 : argv_eol[5],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_CHAT_HOST,
        argv[3],
        IRC_COLOR_CHAT_DELIMITERS);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(433)
{
    const char *alternate_nick;
    struct t_gui_buffer *ptr_buffer;

    if (!server->is_connected)
    {
        ptr_buffer = irc_msgbuffer_get_target_buffer (server, NULL,
                                                      command, NULL, NULL);

        alternate_nick = irc_server_get_alternate_nick (server);
        if (!alternate_nick)
        {
            weechat_printf_date_tags (
                ptr_buffer, date, NULL,
                _("%s%s: all declared nicknames are already in use, closing "
                  "connection with server"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME);
            irc_server_disconnect (server, 0, 1);
            return WEECHAT_RC_OK;
        }

        weechat_printf_date_tags (
            ptr_buffer, date, NULL,
            _("%s%s: nickname \"%s\" is already in use, trying nickname "
              "\"%s\""),
            weechat_prefix ("network"), IRC_PLUGIN_NAME,
            server->nick, alternate_nick);

        irc_server_set_nick (server, alternate_nick);

        irc_server_sendf (
            server, 0, NULL,
            "NICK %s%s",
            (server->nick && strchr (server->nick, ':')) ? ":" : "",
            server->nick);
    }
    else
    {
        return irc_protocol_cb_generic_error (server,
                                              date, nick, address, host,
                                              command, ignored, argc, argv,
                                              argv_eol);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(338)
{
    IRC_PROTOCOL_MIN_ARGS(6);

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, argv[3], command, "whois", NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s[%s%s%s]%s %s %s%s",
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_DELIMITERS,
        irc_nick_color_for_msg (server, 1, NULL, argv[3]),
        argv[3],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (argv_eol[5][0] == ':') ? argv_eol[5] + 1 : argv_eol[5],
        IRC_COLOR_CHAT_HOST,
        argv[4]);

    return WEECHAT_RC_OK;
}


irc_protocol_parse_time (const char *time)
{
    time_t time_value, time_msg, time_gm, time_local;
    struct tm tm_date, tm_date_gm, tm_date_local;
    long value;
    char *time2, *pos, *error;

    if (!time || !time[0])
        return 0;

    time_value = 0;

    if (strchr (time, '-'))
    {
        /* date is with ISO 8601 format: "2012-11-24T07:41:02.018Z" */
        /* initialize structure, because strptime does not do it */
        memset (&tm_date, 0, sizeof (struct tm));
        if (strptime (time, "%Y-%m-%dT%H:%M:%S", &tm_date))
        {
            if (tm_date.tm_year > 0)
            {
                time_msg = mktime (&tm_date);
                gmtime_r (&time_msg, &tm_date_gm);
                localtime_r (&time_msg, &tm_date_local);
                time_gm = mktime (&tm_date_gm);
                time_local = mktime (&tm_date_local);
                time_value = mktime (&tm_date_local) + (time_local - time_gm);
            }
        }
    }
    else
    {
        /* date is with timestamp format: "1353403519.478" */
        time2 = strdup (time);
        if (time2)
        {
            pos = strchr (time2, '.');
            if (pos)
                pos[0] = '\0';
            pos = strchr (time2, ',');
            if (pos)
                pos[0] = '\0';
            value = strtol (time2, &error, 10);
            if (error && !error[0] && (value >= 0))
                time_value = (int)value;
            free (time2);
        }
    }

    return time_value;
}


IRC_PROTOCOL_CALLBACK(354)
{
    char *pos_attr, *pos_hopcount, *pos_account, *pos_realname, *str_host;
    int length;
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;

    IRC_PROTOCOL_MIN_ARGS(4);

    ptr_channel = irc_channel_search (server, argv[3]);

    /*
     * if there are less than 11 arguments, we are unable to parse the message,
     * some infos are missing but we don't know which ones; in this case we
     * just display the message as-is
     */
    if (argc < 11)
    {
        if (!ptr_channel || (ptr_channel->checking_whox <= 0))
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, "who", NULL),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                "%s%s[%s%s%s]%s%s%s",
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_CHAT_CHANNEL,
                argv[3],
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_RESET,
                (argc > 4) ? " " : "",
                (argc > 4) ? argv_eol[4] : "");
        }
        return WEECHAT_RC_OK;
    }

    ptr_nick = (ptr_channel) ?
        irc_nick_search (server, ptr_channel, argv[7]) : NULL;
    pos_attr = argv[8];
    pos_hopcount = argv[9];
    pos_account = (strcmp (argv[10], "0") != 0) ? argv[10] : NULL;
    pos_realname = (argc > 11) ?
        ((argv_eol[11][0] == ':') ? argv_eol[11] + 1 : argv_eol[11]) : NULL;

    /* update host in nick */
    if (ptr_nick)
    {
        length = strlen (argv[4]) + 1 + strlen (argv[5]) + 1;
        str_host = malloc (length);
        if (str_host)
        {
            snprintf (str_host, length, "%s@%s", argv[4], argv[5]);
            irc_nick_set_host (ptr_nick, str_host);
            free (str_host);
        }
    }

    /* update away flag in nick */
    if (ptr_channel && ptr_nick)
    {
        irc_nick_set_away (server, ptr_channel, ptr_nick,
                           (pos_attr && (pos_attr[0] == 'G')) ? 1 : 0);
    }

    /* update account flag in nick */
    if (ptr_nick)
    {
        if (ptr_nick->account)
            free (ptr_nick->account);
        if (ptr_channel && pos_account
            && weechat_hashtable_has_key (server->cap_list, "account-notify"))
        {
            ptr_nick->account = strdup (pos_account);
        }
        else
        {
            ptr_nick->account = NULL;
        }
    }

    /* update realname in nick */
    if (ptr_nick)
    {
        if (ptr_nick->realname)
            free (ptr_nick->realname);
        if (ptr_channel && pos_realname
            && weechat_hashtable_has_key (server->cap_list, "extended-join"))
        {
            ptr_nick->realname = strdup (pos_realname);
        }
        else
        {
            ptr_nick->realname = NULL;
        }
    }

    /* display output of who (manual who from user) */
    if (!ptr_channel || (ptr_channel->checking_whox <= 0))
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, NULL, command, "who", NULL),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            "%s%s[%s%s%s] %s%s %s%s%s%s%s%s(%s%s@%s%s)%s %s%s%s%s(%s)",
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_CHAT_CHANNEL,
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            irc_nick_color_for_msg (server, 1, NULL, argv[7]),
            argv[7],
            IRC_COLOR_CHAT_DELIMITERS,
            (pos_account) ? "[" : "",
            (pos_account) ? IRC_COLOR_CHAT_HOST : "",
            (pos_account) ? pos_account : "",
            (pos_account) ? IRC_COLOR_CHAT_DELIMITERS : "",
            (pos_account) ? "] " : "",
            IRC_COLOR_CHAT_HOST,
            argv[4],
            argv[5],
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            (pos_attr) ? pos_attr : "",
            (pos_attr) ? " " : "",
            (pos_hopcount) ? pos_hopcount : "",
            (pos_hopcount) ? " " : "",
            (pos_realname) ? pos_realname : "");
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(730)
{
    struct t_irc_notify *ptr_notify;
    const char *monitor_nick, *monitor_host;
    char **nicks;
    int i, num_nicks;

    IRC_PROTOCOL_MIN_ARGS(4);

    nicks = weechat_string_split ((argv_eol[3][0] == ':') ?
                                  argv_eol[3] + 1 : argv_eol[3],
                                  ",",
                                  NULL,
                                  WEECHAT_STRING_SPLIT_STRIP_LEFT
                                  | WEECHAT_STRING_SPLIT_STRIP_RIGHT
                                  | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
                                  0,
                                  &num_nicks);
    if (nicks)
    {
        for (i = 0; i < num_nicks; i++)
        {
            monitor_nick = irc_message_get_nick_from_host (nicks[i]);
            monitor_host = strchr (nicks[i], '!');
            if (monitor_host)
                monitor_host++;
            ptr_notify = irc_notify_search (server, monitor_nick);
            if (ptr_notify)
                irc_notify_set_is_on_server (ptr_notify, monitor_host, 1);
        }
        weechat_string_free_split (nicks);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(221)
{
    IRC_PROTOCOL_MIN_ARGS(4);

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (server, argv[2], command, NULL, NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, address),
        _("%sUser mode for %s%s%s is %s[%s%s%s]"),
        weechat_prefix ("network"),
        irc_nick_color_for_msg (server, 1, NULL, argv[2]),
        argv[2],
        IRC_COLOR_RESET,
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3],
        IRC_COLOR_CHAT_DELIMITERS);

    if (irc_server_strcasecmp (server, argv[2], server->nick) == 0)
    {
        irc_mode_user_set (
            server,
            (argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3],
            1);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(333)
{
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;
    time_t datetime;
    const char *topic_nick, *topic_address;
    int arg_date;

    IRC_PROTOCOL_MIN_ARGS(5);

    topic_nick = (argc > 5) ? irc_message_get_nick_from_host (argv[4]) : NULL;
    topic_address = (argc > 5) ? irc_message_get_address_from_host (argv[4]) : NULL;
    if (topic_nick && topic_address && strcmp (topic_nick, topic_address) == 0)
        topic_address = NULL;

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_nick = (ptr_channel) ?
        irc_nick_search (server, ptr_channel, topic_nick) : NULL;
    arg_date = (argc > 5) ? 5 : 4;
    datetime = (time_t)(atol ((argv_eol[arg_date][0] == ':') ?
                              argv_eol[arg_date] + 1 : argv_eol[arg_date]));

    if (!topic_nick && (datetime == 0))
        return WEECHAT_RC_OK;

    if (ptr_channel && ptr_channel->nicks)
    {
        if (weechat_hashtable_has_key (ptr_channel->join_msg_received, command)
            || weechat_hashtable_has_key (irc_config_hashtable_display_join_message, command))
        {
            if (topic_nick)
            {
                weechat_printf_date_tags (
                    irc_msgbuffer_get_target_buffer (
                        server, NULL, command, NULL, ptr_channel->buffer),
                    date,
                    irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                    /* TRANSLATORS: "%s" after "on" is a date */
                    _("%sTopic set by %s%s%s%s%s%s%s%s%s on %s"),
                    weechat_prefix ("network"),
                    irc_nick_color_for_msg (server, 1, ptr_nick, topic_nick),
                    topic_nick,
                    IRC_COLOR_CHAT_DELIMITERS,
                    (topic_address && topic_address[0]) ? " (" : "",
                    IRC_COLOR_CHAT_HOST,
                    (topic_address) ? topic_address : "",
                    IRC_COLOR_CHAT_DELIMITERS,
                    (topic_address && topic_address[0]) ? ")" : "",
                    IRC_COLOR_RESET,
                    weechat_util_get_time_string (&datetime));
            }
            else
            {
                weechat_printf_date_tags (
                    irc_msgbuffer_get_target_buffer (
                        server, NULL, command, NULL, ptr_channel->buffer),
                    date,
                    irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                    /* TRANSLATORS: "%s" after "on" is a date */
                    _("%sTopic set on %s"),
                    weechat_prefix ("network"),
                    weechat_util_get_time_string (&datetime));
            }
        }
    }
    else
    {
        if (topic_nick)
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, NULL, NULL),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                /* TRANSLATORS: "%s" after "on" is a date */
                _("%sTopic for %s%s%s set by %s%s%s%s%s%s%s%s%s on %s"),
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_CHANNEL,
                argv[3],
                IRC_COLOR_RESET,
                irc_nick_color_for_msg (server, 1, ptr_nick, topic_nick),
                topic_nick,
                IRC_COLOR_CHAT_DELIMITERS,
                (topic_address && topic_address[0]) ? " (" : "",
                IRC_COLOR_CHAT_HOST,
                (topic_address) ? topic_address : "",
                IRC_COLOR_CHAT_DELIMITERS,
                (topic_address && topic_address[0]) ? ")" : "",
                IRC_COLOR_RESET,
                weechat_util_get_time_string (&datetime));
        }
        else
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, NULL, NULL),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                /* TRANSLATORS: "%s" after "on" is a date */
                _("%sTopic for %s%s%s set on %s"),
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_CHANNEL,
                argv[3],
                IRC_COLOR_RESET,
                weechat_util_get_time_string (&datetime));
        }
    }

    if (ptr_channel)
        weechat_hashtable_set (ptr_channel->join_msg_received, command, "1");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(437)
{
    const char *alternate_nick;
    struct t_gui_buffer *ptr_buffer;

    irc_protocol_cb_generic_error (server,
                                   date, nick, address, host, command,
                                   ignored, argc, argv, argv_eol);

    if (!server->is_connected)
    {
        if ((argc >= 4)
            && (irc_server_strcasecmp (server, server->nick, argv[3]) == 0))
        {
            ptr_buffer = irc_msgbuffer_get_target_buffer (server, NULL,
                                                          command, NULL, NULL);

            alternate_nick = irc_server_get_alternate_nick (server);
            if (!alternate_nick)
            {
                weechat_printf_date_tags (
                    ptr_buffer, date, NULL,
                    _("%s%s: all declared nicknames are already in use or "
                      "invalid, closing connection with server"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME);
                irc_server_disconnect (server, 0, 1);
                return WEECHAT_RC_OK;
            }

            weechat_printf_date_tags (
                ptr_buffer, date, NULL,
                _("%s%s: nickname \"%s\" is unavailable, trying nickname "
                  "\"%s\""),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                server->nick, alternate_nick);

            irc_server_set_nick (server, alternate_nick);

            irc_server_sendf (
                server, 0, NULL,
                "NICK %s%s",
                (server->nick && strchr (server->nick, ':')) ? ":" : "",
                server->nick);
        }
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(away)
{
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;

    IRC_PROTOCOL_MIN_ARGS(2);

    for (ptr_channel = server->channels; ptr_channel;
         ptr_channel = ptr_channel->next_channel)
    {
        ptr_nick = irc_nick_search (server, ptr_channel, nick);
        if (ptr_nick)
            irc_nick_set_away (server, ptr_channel, ptr_nick, (argc > 2));
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(732)
{
    char *pos_args;

    IRC_PROTOCOL_MIN_ARGS(3);

    pos_args = (argc > 3) ?
        ((argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3]) : NULL;

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "monitor", NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s",
        weechat_prefix ("network"),
        (pos_args && pos_args[0]) ? pos_args : "");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(329)
{
    struct t_irc_channel *ptr_channel;
    time_t datetime;

    IRC_PROTOCOL_MIN_ARGS(5);

    ptr_channel = irc_channel_search (server, argv[3]);

    datetime = (time_t)(atol ((argv_eol[4][0] == ':') ?
                              argv_eol[4] + 1 : argv_eol[4]));

    if (ptr_channel)
    {
        if (weechat_hashtable_has_key (ptr_channel->join_msg_received, command)
            || weechat_hashtable_has_key (irc_config_hashtable_display_join_message, command))
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, NULL, ptr_channel->buffer),
                date,
                irc_protocol_tags (command, "irc_numeric",
                                   NULL, NULL),
                /* TRANSLATORS: "%s" after "created on" is a date */
                _("%sChannel created on %s"),
                weechat_prefix ("network"),
                weechat_util_get_time_string (&datetime));
        }
    }
    else
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (server, NULL, command, NULL, NULL),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            /* TRANSLATORS: "%s" after "created on" is a date */
            _("%sChannel %s%s%s created on %s"),
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_CHANNEL,
            argv[3],
            IRC_COLOR_RESET,
            weechat_util_get_time_string (&datetime));
    }

    if (ptr_channel)
        weechat_hashtable_set (ptr_channel->join_msg_received, command, "1");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(chghost)
{
    int length, local_chghost, smart_filter;
    char *str_host, *pos_new_host;
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;
    struct t_irc_channel_speaking *ptr_nick_speaking;

    IRC_PROTOCOL_MIN_ARGS(4);
    IRC_PROTOCOL_CHECK_HOST;

    local_chghost = (irc_server_strcasecmp (server, nick, server->nick) == 0);

    pos_new_host = (argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3];

    length = strlen (argv[2]) + 1 + strlen (pos_new_host) + 1;
    str_host = malloc (length);
    if (!str_host)
    {
        weechat_printf (
            server->buffer,
            _("%s%s: not enough memory for \"%s\" command"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "chghost");
        return WEECHAT_RC_OK;
    }
    snprintf (str_host, length, "%s@%s", argv[2], pos_new_host);

    if (local_chghost)
        irc_server_set_host (server, str_host);

    for (ptr_channel = server->channels; ptr_channel;
         ptr_channel = ptr_channel->next_channel)
    {
        ptr_nick = irc_nick_search (server, ptr_channel, nick);
        if (ptr_nick)
        {
            if (!ignored)
            {
                ptr_nick_speaking = ((weechat_config_boolean (irc_config_look_smart_filter))
                                     && (weechat_config_boolean (irc_config_look_smart_filter_chghost))) ?
                    irc_channel_nick_speaking_time_search (server, ptr_channel, nick, 1) : NULL;
                smart_filter = (!local_chghost
                                && weechat_config_boolean (irc_config_look_smart_filter)
                                && weechat_config_boolean (irc_config_look_smart_filter_chghost)
                                && !ptr_nick_speaking);

                weechat_printf_date_tags (
                    irc_msgbuffer_get_target_buffer (
                        server, NULL, command, NULL, ptr_channel->buffer),
                    date,
                    irc_protocol_tags (
                        command,
                        smart_filter ? "irc_smart_filter" : NULL,
                        nick, address),
                    _("%s%s%s%s (%s%s%s)%s has changed host to %s%s"),
                    weechat_prefix ("network"),
                    irc_nick_color_for_msg (server, 1, ptr_nick, nick),
                    nick,
                    IRC_COLOR_CHAT_DELIMITERS,
                    IRC_COLOR_CHAT_HOST,
                    (address) ? address : "",
                    IRC_COLOR_CHAT_DELIMITERS,
                    IRC_COLOR_MESSAGE_CHGHOST,
                    IRC_COLOR_CHAT_HOST,
                    str_host);
            }
            irc_nick_set_host (ptr_nick, str_host);
        }
    }

    free (str_host);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(733)
{
    char *pos_args;

    IRC_PROTOCOL_MIN_ARGS(3);

    pos_args = (argc > 3) ?
        ((argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3]) : NULL;

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "monitor", NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s",
        weechat_prefix ("network"),
        (pos_args && pos_args[0]) ? pos_args : "");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(311)
{
    IRC_PROTOCOL_MIN_ARGS(8);

    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, argv[3], command, "whois", NULL),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s[%s%s%s] (%s%s@%s%s)%s: %s",
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_DELIMITERS,
        irc_nick_color_for_msg (server, 1, NULL, argv[3]),
        argv[3],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_CHAT_HOST,
        argv[4],
        argv[5],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (argv_eol[7][0] == ':') ? argv_eol[7] + 1 : argv_eol[7]);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(join)
{
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;
    struct t_irc_channel_speaking *ptr_nick_speaking;
    char *pos_channel, *pos_account, *pos_realname;
    char str_account[512], str_realname[512];
    int local_join, display_host, smart_filter;

    IRC_PROTOCOL_MIN_ARGS(3);
    IRC_PROTOCOL_CHECK_HOST;

    local_join = (irc_server_strcasecmp (server, nick, server->nick) == 0);

    pos_channel = (argv[2][0] == ':') ? argv[2] + 1 : argv[2];
    pos_account = ((argc > 3) && (strcmp (argv[3], "*") != 0)) ?
        argv[3] : NULL;
    pos_realname = (argc > 4) ?
        ((argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]) : NULL;

    str_account[0] = '\0';
    if (pos_account)
    {
        snprintf (str_account, sizeof (str_account),
                  "%s [%s%s%s]",
                  IRC_COLOR_CHAT_DELIMITERS,
                  IRC_COLOR_CHAT_HOST,
                  pos_account,
                  IRC_COLOR_CHAT_DELIMITERS);
    }

    str_realname[0] = '\0';
    if (pos_realname)
    {
        snprintf (str_realname, sizeof (str_realname),
                  "%s (%s%s%s)",
                  IRC_COLOR_CHAT_DELIMITERS,
                  IRC_COLOR_CHAT_HOST,
                  pos_realname,
                  IRC_COLOR_CHAT_DELIMITERS);
    }

    ptr_channel = irc_channel_search (server, pos_channel);
    if (ptr_channel)
    {
        ptr_channel->part = 0;
    }
    else
    {
        /*
         * if someone else joins and channel is not opened, then just
         * ignore it (we should receive our self join first)
         */
        if (!local_join)
            return WEECHAT_RC_OK;

        ptr_channel = irc_channel_new (server, IRC_CHANNEL_TYPE_CHANNEL,
                                       pos_channel, 1, 1);
        if (!ptr_channel)
        {
            weechat_printf (server->buffer,
                            _("%s%s: cannot create new channel \"%s\""),
                            weechat_prefix ("error"), IRC_PLUGIN_NAME,
                            pos_channel);
            return WEECHAT_RC_ERROR;
        }
    }

    /*
     * local join? clear nicklist to be sure it is empty (when using znc, after
     * reconnection to network, we receive a JOIN for channel with existing
     * nicks in irc plugin, so we need to clear the nicklist now)
     */
    if (local_join)
        irc_nick_free_all (server, ptr_channel);

    /* reset some variables if joining new channel */
    if (!ptr_channel->nicks)
    {
        irc_channel_set_topic (ptr_channel, NULL);
        if (ptr_channel->modes)
        {
            free (ptr_channel->modes);
            ptr_channel->modes = NULL;
        }
        ptr_channel->limit = 0;
        weechat_hashtable_remove_all (ptr_channel->join_msg_received);
        ptr_channel->checking_whox = 0;
    }

    /* add nick in channel */
    ptr_nick = irc_nick_new (server, ptr_channel, nick, address, NULL, 0,
                             (pos_account) ? pos_account : NULL,
                             (pos_realname) ? pos_realname : NULL);

    /* rename the nick if it was in list with a different case */
    irc_channel_nick_speaking_rename_if_present (server, ptr_channel, nick);

    if (!ignored)
    {
        ptr_nick_speaking = ((weechat_config_boolean (irc_config_look_smart_filter))
                             && (weechat_config_boolean (irc_config_look_smart_filter_join))) ?
            irc_channel_nick_speaking_time_search (server, ptr_channel, nick, 1) : NULL;
        display_host = (local_join) ?
            weechat_config_boolean (irc_config_look_display_host_join_local) :
            weechat_config_boolean (irc_config_look_display_host_join);

        /*
         * "smart" filter the join message is it's not a join from myself, if
         * smart filtering is enabled, and if nick was not speaking in channel
         */
        smart_filter = (!local_join
                        && weechat_config_boolean (irc_config_look_smart_filter)
                        && weechat_config_boolean (irc_config_look_smart_filter_join)
                        && !ptr_nick_speaking);

        /* display the join */
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (server, NULL, command, NULL,
                                             ptr_channel->buffer),
            date,
            irc_protocol_tags (command,
                               smart_filter ? "irc_smart_filter" : NULL,
                               nick, address),
            _("%s%s%s%s%s%s%s%s%s%s%s%s has joined %s%s%s"),
            weechat_prefix ("join"),
            irc_nick_color_for_msg (server, 1, ptr_nick, nick),
            nick,
            str_account,
            str_realname,
            IRC_COLOR_CHAT_DELIMITERS,
            (display_host) ? " (" : "",
            IRC_COLOR_CHAT_HOST,
            (display_host) ? address : "",
            IRC_COLOR_CHAT_DELIMITERS,
            (display_host) ? ")" : "",
            IRC_COLOR_MESSAGE_JOIN,
            IRC_COLOR_CHAT_CHANNEL,
            pos_channel,
            IRC_COLOR_MESSAGE_JOIN);

        /*
         * if join is smart filtered, save the nick in hashtable, and if nick
         * is speaking shortly after the join, it will be unmasked
         * (option irc.look.smart_filter_join_unmask)
         */
        if (smart_filter)
        {
            irc_channel_join_smart_filtered_add (ptr_channel, nick,
                                                 time (NULL));
        }

        /* display message in private if private has flag "has_quit_server" */
        if (!local_join)
        {
            irc_channel_display_nick_back_in_pv (server, ptr_nick, nick);
            irc_channel_set_topic_private_buffers (server, ptr_nick, nick,
                                                   address);
        }
    }

    if (local_join)
    {
        irc_server_set_host (server, address);
        irc_bar_item_update_channel ();
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(306)
{
    IRC_PROTOCOL_MIN_ARGS(3);

    if (argc > 3)
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, NULL, command, "away", NULL),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            "%s%s",
            weechat_prefix ("network"),
            (argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3]);
    }

    server->is_away = 1;
    server->away_time = time (NULL);

    weechat_bar_item_update ("away");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(notice)
{
    char *pos_target, *pos_args, *pos, end_char, *channel, status_notice[2];
    const char *nick_address;
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;
    int notify_private, is_channel, is_channel_orig;
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(3);

    if (ignored)
        return WEECHAT_RC_OK;

    status_notice[0] = '\0';
    status_notice[1] = '\0';

    if (argv[0][0] == ':')
    {
        if (argc < 4)
            return WEECHAT_RC_ERROR;
        pos_target = argv[2];
        is_channel = irc_channel_is_channel (server, pos_target + 1);
        if (is_channel
            && irc_server_prefix_char_statusmsg (server, pos_target[0]))
        {
            status_notice[0] = pos_target[0];
            pos_target++;
        }
        pos_args = (argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3];
        if ((status_notice[0])
            && (pos_args[0] == status_notice[0]) && (pos_args[1] == ' '))
        {
            pos_args += 2;
        }
    }
    else
    {
        pos_target = NULL;
        pos_args = (argv_eol[2][0] == ':') ? argv_eol[2] + 1 : argv_eol[2];
    }

    if (nick && (pos_args[0] == '\01'))
    {
        irc_ctcp_display_reply_from_nick (server, date, command, nick, address,
                                          pos_args);
    }
    else
    {
        is_channel = 0;
        is_channel_orig = 0;
        channel = NULL;
        if (pos_target)
        {
            is_channel = irc_channel_is_channel (server, pos_target);
            is_channel_orig = is_channel;
            if (is_channel)
            {
                channel = strdup (pos_target);
            }
            else if (weechat_config_boolean (irc_config_look_notice_welcome_redirect))
            {
                end_char = ' ';
                switch (pos_args[0])
                {
                    case '[':
                        end_char = ']';
                        break;
                    case '(':
                        end_char = ')';
                        break;
                    case '{':
                        end_char = '}';
                        break;
                    case '<':
                        end_char = '>';
                        break;
                }
                if (end_char != ' ')
                {
                    pos = strchr (pos_args, end_char);
                    if (pos && (pos > pos_args + 1))
                    {
                        channel = weechat_strndup (pos_args + 1,
                                                   pos - pos_args - 1);
                        if (channel && irc_channel_search (server, channel))
                        {
                            is_channel = 1;
                            pos_args = pos + 1;
                            while (pos_args[0] == ' ')
                            {
                                pos_args++;
                            }
                        }
                    }
                }
            }
        }
        if (is_channel)
        {
            /* notice for channel */
            ptr_channel = irc_channel_search (server, channel);

            /*
             * unmask a smart filtered join if it is in hashtable
             * "join_smart_filtered" of channel
             */
            if (ptr_channel)
                irc_channel_join_smart_filtered_unmask (ptr_channel, nick);

            ptr_nick = irc_nick_search (server, ptr_channel, nick);
            weechat_printf_date_tags (
                (ptr_channel) ? ptr_channel->buffer : server->buffer,
                date,
                irc_protocol_tags (command,
                                   (is_channel_orig) ?
                                   "notify_message" :
                                   weechat_config_string (irc_config_look_notice_welcome_tags),
                                   nick, address),
                "%s%s%s%s%s%s%s(%s%s%s)%s: %s",
                weechat_prefix ("network"),
                IRC_COLOR_NOTICE,
                (is_channel_orig) ? "" : "Pv",
                /* TRANSLATORS: "Notice" is command name in IRC protocol (translation is frequently the same word) */
                _("Notice"),
                (status_notice[0]) ? ":" : "",
                status_notice,
                IRC_COLOR_CHAT_DELIMITERS,
                irc_nick_color_for_msg (server, 0, ptr_nick, nick),
                (nick && nick[0]) ? nick : "?",
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_RESET,
                pos_args);
        }
        else
        {
            /* notice for user */
            notify_private = 0;
            if (server->is_connected
                && nick
                && (weechat_strcasecmp (nick, "nickserv") != 0)
                && (weechat_strcasecmp (nick, "chanserv") != 0)
                && (weechat_strcasecmp (nick, "memoserv") != 0))
            {
                /*
                 * add tag "notify_private" only if:
                 *   - server is connected (message 001 already received)
                 * and:
                 *   - notice is from a non-empty nick different from
                 *     nickserv/chanserv/memoserv
                 */
                notify_private = 1;
            }

            ptr_channel = NULL;
            if (nick
                && weechat_config_integer (irc_config_look_notice_as_pv) != IRC_CONFIG_LOOK_NOTICE_AS_PV_NEVER)
            {
                ptr_channel = irc_channel_search (server, nick);
                if (!ptr_channel
                    && weechat_config_integer (irc_config_look_notice_as_pv) == IRC_CONFIG_LOOK_NOTICE_AS_PV_ALWAYS)
                {
                    ptr_channel = irc_channel_new (server,
                                                   IRC_CHANNEL_TYPE_PRIVATE,
                                                   nick, 0, 0);
                    if (!ptr_channel)
                    {
                        weechat_printf (server->buffer,
                                        _("%s%s: cannot create new "
                                          "private buffer \"%s\""),
                                        weechat_prefix ("error"),
                                        IRC_PLUGIN_NAME, nick);
                    }
                }
            }

            if (ptr_channel)
            {
                if (!ptr_channel->topic)
                    irc_channel_set_topic (ptr_channel, address);

                weechat_printf_date_tags (
                    ptr_channel->buffer,
                    date,
                    irc_protocol_tags (command, "notify_private", nick,
                                       address),
                    "%s%s%s%s: %s",
                    weechat_prefix ("network"),
                    irc_nick_color_for_msg (server, 0, NULL, nick),
                    nick,
                    IRC_COLOR_RESET,
                    pos_args);
                if ((ptr_channel->type == IRC_CHANNEL_TYPE_PRIVATE)
                    && ptr_channel->has_quit_server)
                {
                    ptr_channel->has_quit_server = 0;
                }
            }
            else
            {
                ptr_buffer = irc_msgbuffer_get_target_buffer (server, nick,
                                                              command, NULL,
                                                              NULL);
                /*
                 * if notice is sent from myself (for example another WeeChat
                 * via relay), then display message of outgoing notice
                 */
                if (nick && (irc_server_strcasecmp (server, server->nick, nick) == 0))
                {
                    weechat_printf_date_tags (
                        ptr_buffer,
                        date,
                        irc_protocol_tags (command,
                                           (notify_private) ? "notify_private" : NULL,
                                           server->nick, address),
                        "%s%s%s%s -> %s%s%s: %s",
                        weechat_prefix ("network"),
                        IRC_COLOR_NOTICE,
                        /* TRANSLATORS: "Notice" is command name in IRC protocol (translation is frequently the same word) */
                        _("Notice"),
                        IRC_COLOR_RESET,
                        irc_nick_color_for_msg (server, 0, NULL, pos_target),
                        pos_target,
                        IRC_COLOR_RESET,
                        pos_args);
                }
                else
                {
                    nick_address = irc_protocol_nick_address (server, 0, NULL,
                                                              nick, address);
                    weechat_printf_date_tags (
                        ptr_buffer,
                        date,
                        irc_protocol_tags (command,
                                           (notify_private) ? "notify_private" : NULL,
                                           nick, address),
                        "%s%s%s%s",
                        weechat_prefix ("network"),
                        nick_address,
                        (nick_address[0]) ? ": " : "",
                        pos_args);
                }
            }
        }
        if (channel)
            free (channel);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(wallops)
{
    const char *nick_address;

    IRC_PROTOCOL_MIN_ARGS(3);

    if (ignored)
        return WEECHAT_RC_OK;

    nick_address = irc_protocol_nick_address (server, 0, NULL, nick, address);
    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (server, nick, command, NULL, NULL),
        date,
        irc_protocol_tags (command, NULL, nick, address),
        _("%sWallops from %s: %s"),
        weechat_prefix ("network"),
        (nick_address[0]) ? nick_address : "?",
        (argv_eol[2][0] == ':') ? argv_eol[2] + 1 : argv_eol[2]);

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(330_343)
{
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(5);

    if (argc >= 6)
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, argv[3], command, "whois", NULL),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            "%s%s[%s%s%s] %s%s %s%s",
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_DELIMITERS,
            irc_nick_color_for_msg (server, 1, NULL, argv[3]),
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            (argv_eol[5][0] == ':') ? argv_eol[5] + 1 : argv_eol[5],
            irc_nick_color_for_msg (server, 1, NULL, argv[4]),
            argv[4]);
    }
    else
    {
        ptr_channel = (irc_channel_is_channel (server, argv[3])) ?
            irc_channel_search (server, argv[3]) : NULL;
        ptr_buffer = (ptr_channel) ? ptr_channel->buffer : server->buffer;
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, argv[3], command, "whois", ptr_buffer),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            "%s%s[%s%s%s] %s%s",
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_DELIMITERS,
            irc_nick_color_for_msg (server, 1, NULL, argv[3]),
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_RESET,
            (argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]);
    }

    return WEECHAT_RC_OK;
}


irc_protocol_cap_sync (struct t_irc_server *server, int sasl)
{
    char *cap_option, *cap_req, **caps_requested;
    const char *ptr_cap_option;
    int sasl_requested, sasl_to_do, sasl_fail;
    int i, length, num_caps_requested;

    sasl_requested = (sasl) ? irc_server_sasl_enabled (server) : 0;
    sasl_to_do = 0;

    ptr_cap_option = IRC_SERVER_OPTION_STRING(
        server,
        IRC_SERVER_OPTION_CAPABILITIES);
    length = ((ptr_cap_option && ptr_cap_option[0]) ?
              strlen (ptr_cap_option) : 0) + 16;
    cap_option = malloc (length);
    cap_req = malloc (length);
    if (cap_option && cap_req)
    {
        cap_option[0] = '\0';
        if (ptr_cap_option && ptr_cap_option[0])
            strcat (cap_option, ptr_cap_option);
        if (sasl && sasl_requested)
        {
            if (cap_option[0])
                strcat (cap_option, ",");
            strcat (cap_option, "sasl");
        }
        cap_req[0] = '\0';
        caps_requested = weechat_string_split (
            cap_option,
            ",",
            NULL,
            WEECHAT_STRING_SPLIT_STRIP_LEFT
            | WEECHAT_STRING_SPLIT_STRIP_RIGHT
            | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
            0,
            &num_caps_requested);
        if (caps_requested)
        {
            for (i = 0; i < num_caps_requested; i++)
            {
                if (weechat_hashtable_has_key (server->cap_ls,
                                               caps_requested[i]) &&
                    !weechat_hashtable_has_key (server->cap_list,
                                               caps_requested[i]))
                {
                    if (sasl && strcmp (caps_requested[i], "sasl") == 0)
                        sasl_to_do = 1;
                    if (cap_req[0])
                        strcat (cap_req, " ");
                    strcat (cap_req, caps_requested[i]);
                }
            }
            weechat_string_free_split (caps_requested);
        }

        if (cap_req[0])
        {
            weechat_printf (
                server->buffer,
                _("%s%s: client capability, requesting: %s"),
                weechat_prefix ("network"), IRC_PLUGIN_NAME,
                cap_req);
            irc_server_sendf (server, 0, NULL,
                              "CAP REQ :%s", cap_req);
        }

        if (sasl)
        {
            if (!sasl_to_do)
                irc_server_sendf (server, 0, NULL, "CAP END");
            if (sasl_requested && !sasl_to_do)
            {
                weechat_printf (
                    server->buffer,
                    _("%s%s: client capability: SASL not supported"),
                    weechat_prefix ("network"), IRC_PLUGIN_NAME);

                if (weechat_config_boolean (irc_config_network_sasl_fail_unavailable))
                {
                    /* same handling as for sasl_end_fail */
                    sasl_fail = IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_SASL_FAIL);
                    if ((sasl_fail == IRC_SERVER_SASL_FAIL_RECONNECT)
                        || (sasl_fail == IRC_SERVER_SASL_FAIL_DISCONNECT))
                    {
                        irc_server_disconnect (
                            server, 0,
                            (sasl_fail == IRC_SERVER_SASL_FAIL_RECONNECT) ? 1 : 0);
                    }
                }
            }
        }
    }
    if (cap_option)
        free (cap_option);
    if (cap_req)
        free (cap_req);
}


IRC_PROTOCOL_CALLBACK(348)
{
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;
    struct t_irc_modelist *ptr_modelist;
    time_t datetime;
    const char *nick_address;
    char str_number[64];

    IRC_PROTOCOL_MIN_ARGS(5);

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_buffer = (ptr_channel && ptr_channel->nicks) ?
        ptr_channel->buffer : server->buffer;
    ptr_modelist = irc_modelist_search (ptr_channel, 'e');

    if (ptr_modelist)
    {
        /* start receiving new list */
        if (ptr_modelist->state != IRC_MODELIST_STATE_RECEIVING)
        {
            irc_modelist_item_free_all (ptr_modelist);
            ptr_modelist->state = IRC_MODELIST_STATE_RECEIVING;
        }

        snprintf (str_number, sizeof (str_number),
                  " %s[%s%d%s]",
                  IRC_COLOR_CHAT_DELIMITERS,
                  IRC_COLOR_RESET,
                  ((ptr_modelist->last_item) ? ptr_modelist->last_item->number + 1 : 0) + 1,
                  IRC_COLOR_CHAT_DELIMITERS);
    }
    else
        str_number[0] = '\0';

    if (argc >= 6)
    {
        nick_address = irc_protocol_nick_address (
            server, 1, NULL, irc_message_get_nick_from_host (argv[5]),
            irc_message_get_address_from_host (argv[5]));
        if (argc >= 7)
        {
            datetime = (time_t)(atol ((argv[6][0] == ':') ? argv[6] + 1 : argv[6]));
            if (ptr_modelist)
                irc_modelist_item_new (ptr_modelist, argv[4], argv[5], datetime);
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, "exceptionlist", ptr_buffer),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                /* TRANSLATORS: "%s" after "on" is a date */
                _("%s%s[%s%s%s]%s%s exception %s%s%s by %s on %s"),
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_CHAT_CHANNEL,
                argv[3],
                IRC_COLOR_CHAT_DELIMITERS,
                str_number,
                IRC_COLOR_RESET,
                IRC_COLOR_CHAT_HOST,
                argv[4],
                IRC_COLOR_RESET,
                (nick_address[0]) ? nick_address : "?",
                weechat_util_get_time_string (&datetime));
        }
        else
        {
            if (ptr_modelist)
                irc_modelist_item_new (ptr_modelist, argv[4], argv[5], 0);
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, "exceptionlist", ptr_buffer),
                date,
                irc_protocol_tags (command, "irc_numeric", NULL, NULL),
                _("%s%s[%s%s%s]%s%s exception %s%s%s by %s"),
                weechat_prefix ("network"),
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_CHAT_CHANNEL,
                argv[3],
                IRC_COLOR_CHAT_DELIMITERS,
                str_number,
                IRC_COLOR_RESET,
                IRC_COLOR_CHAT_HOST,
                argv[4],
                IRC_COLOR_RESET,
                (nick_address[0]) ? nick_address : "?");
        }
    }
    else
    {
        if (ptr_modelist)
            irc_modelist_item_new (ptr_modelist, argv[4], NULL, 0);
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
                server, NULL, command, "exceptionlist", ptr_buffer),
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            _("%s%s[%s%s%s]%s%s exception %s%s"),
            weechat_prefix ("network"),
            IRC_COLOR_CHAT_DELIMITERS,
            IRC_COLOR_CHAT_CHANNEL,
            argv[3],
            IRC_COLOR_CHAT_DELIMITERS,
            str_number,
            IRC_COLOR_RESET,
            IRC_COLOR_CHAT_HOST,
            argv[4]);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(kill)
{
    char *pos_comment;
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick, *ptr_nick_killed;

    IRC_PROTOCOL_MIN_ARGS(3);
    IRC_PROTOCOL_CHECK_HOST;

    pos_comment = (argc > 3) ?
        ((argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3]) : NULL;

    for (ptr_channel = server->channels; ptr_channel;
         ptr_channel = ptr_channel->next_channel)
    {
        ptr_nick = irc_nick_search (server, ptr_channel, nick);
        ptr_nick_killed = irc_nick_search (server, ptr_channel, argv[2]);

        if (pos_comment)
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (server, NULL, command, NULL,
                                                 ptr_channel->buffer),
                date,
                irc_protocol_tags (command, NULL, NULL, address),
                _("%s%sYou were killed by %s%s%s %s(%s%s%s)"),
                weechat_prefix ("quit"),
                IRC_COLOR_MESSAGE_KICK,
                irc_nick_color_for_msg (server, 1, ptr_nick, nick),
                nick,
                IRC_COLOR_MESSAGE_KICK,
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_REASON_KICK,
                pos_comment,
                IRC_COLOR_CHAT_DELIMITERS);
        }
        else
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (server, NULL, command, NULL,
                                                 ptr_channel->buffer),
                date,
                irc_protocol_tags (command, NULL, NULL, address),
                _("%s%sYou were killed by %s%s%s"),
                weechat_prefix ("quit"),
                IRC_COLOR_MESSAGE_KICK,
                irc_nick_color_for_msg (server, 1, ptr_nick, nick),
                nick,
                IRC_COLOR_MESSAGE_KICK);
        }

        if (irc_server_strcasecmp (server, argv[2], server->nick) == 0)
        {
            /*
             * my nick was killed => free all nicks, channel is not active any
             * more
             */
            irc_nick_free_all (server, ptr_channel);

            irc_channel_modelist_set_state (ptr_channel,
                                            IRC_MODELIST_STATE_MODIFIED);

            irc_bar_item_update_channel ();
        }
        else
        {
            /*
             * someone was killed on channel (but not me) => remove only this
             * nick
             */
            if (ptr_nick_killed)
                irc_nick_free (server, ptr_channel, ptr_nick_killed);
        }
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(729)
{
    char *pos_args;
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;
    struct t_irc_modelist *ptr_modelist;

    IRC_PROTOCOL_MIN_ARGS(5);

    pos_args = (argc > 5) ?
        ((argv_eol[5][0] == ':') ? argv_eol[5] + 1 : argv_eol[5]) : NULL;

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_buffer = (ptr_channel && ptr_channel->nicks) ?
        ptr_channel->buffer : server->buffer;
    ptr_modelist = irc_modelist_search (ptr_channel, argv[4][0]);
    if (ptr_modelist)
    {
        if (ptr_modelist->state != IRC_MODELIST_STATE_RECEIVING)
        {
            /*
             * remove all items if no quiet was received before
             * the end of quiet list
             */
            irc_modelist_item_free_all (ptr_modelist);
        }
        ptr_modelist->state = IRC_MODELIST_STATE_RECEIVED;
    }
    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "quietlist", ptr_buffer),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s[%s%s%s]%s%s%s",
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_CHAT_CHANNEL,
        argv[3],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (pos_args) ? " " : "",
        (pos_args) ? pos_args : "");

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(347)
{
    char *pos_args;
    struct t_irc_channel *ptr_channel;
    struct t_gui_buffer *ptr_buffer;
    struct t_irc_modelist *ptr_modelist;

    IRC_PROTOCOL_MIN_ARGS(4);

    pos_args = (argc > 4) ?
        ((argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4]) : NULL;

    ptr_channel = irc_channel_search (server, argv[3]);
    ptr_buffer = (ptr_channel && ptr_channel->nicks) ?
        ptr_channel->buffer : server->buffer;
    ptr_modelist = irc_modelist_search (ptr_channel, 'I');
    if (ptr_modelist)
    {
        if (ptr_modelist->state != IRC_MODELIST_STATE_RECEIVING)
        {
            /*
             * remove all items if no invite was received before
             * the end of invite list
             */
            irc_modelist_item_free_all (ptr_modelist);
        }
        ptr_modelist->state = IRC_MODELIST_STATE_RECEIVED;
    }
    weechat_printf_date_tags (
        irc_msgbuffer_get_target_buffer (
            server, NULL, command, "invitelist", ptr_buffer),
        date,
        irc_protocol_tags (command, "irc_numeric", NULL, NULL),
        "%s%s[%s%s%s]%s%s%s",
        weechat_prefix ("network"),
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_CHAT_CHANNEL,
        argv[3],
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (pos_args) ? " " : "",
        (pos_args) ? pos_args : "");

    return WEECHAT_RC_OK;
}


irc_protocol_is_numeric_command (const char *str)
{
    while (str && str[0])
    {
        if (!isdigit ((unsigned char)str[0]))
            return 0;
        str++;
    }
    return 1;
}


irc_protocol_nick_address (struct t_irc_server *server,
                           int server_message,
                           struct t_irc_nick *nick,
                           const char *nickname,
                           const char *address)
{
    static char string[1024];

    string[0] = '\0';

    if (nickname && address && (strcmp (nickname, address) != 0))
    {
        /* display nick and address if they are different */
        snprintf (string, sizeof (string),
                  "%s%s %s(%s%s%s)%s",
                  irc_nick_color_for_msg (server, server_message, nick,
                                          nickname),
                  nickname,
                  IRC_COLOR_CHAT_DELIMITERS,
                  IRC_COLOR_CHAT_HOST,
                  address,
                  IRC_COLOR_CHAT_DELIMITERS,
                  IRC_COLOR_RESET);
    }
    else if (nickname)
    {
        /* display only nick if no address or if nick == address */
        snprintf (string, sizeof (string),
                  "%s%s%s",
                  irc_nick_color_for_msg (server, server_message, nick,
                                          nickname),
                  nickname,
                  IRC_COLOR_RESET);
    }

    return string;
}


IRC_PROTOCOL_CALLBACK(part)
{
    char *pos_comment, *join_string;
    int join_length, local_part, display_host;
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;
    struct t_irc_channel_speaking *ptr_nick_speaking;

    IRC_PROTOCOL_MIN_ARGS(3);
    IRC_PROTOCOL_CHECK_HOST;

    pos_comment = (argc > 3) ?
        ((argv_eol[3][0] == ':') ? argv_eol[3] + 1 : argv_eol[3]) : NULL;

    ptr_channel = irc_channel_search (server,
                                      (argv[2][0] == ':') ? argv[2] + 1 : argv[2]);
    if (!ptr_channel)
        return WEECHAT_RC_OK;

    ptr_nick = irc_nick_search (server, ptr_channel, nick);

    local_part = (irc_server_strcasecmp (server, nick, server->nick) == 0);

    /* display part message */
    if (!ignored)
    {
        ptr_nick_speaking = NULL;
        if (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL)
        {
            ptr_nick_speaking = ((weechat_config_boolean (irc_config_look_smart_filter))
                                 && (weechat_config_boolean (irc_config_look_smart_filter_quit))) ?
                irc_channel_nick_speaking_time_search (server, ptr_channel, nick, 1) : NULL;
        }
        display_host = weechat_config_boolean (irc_config_look_display_host_quit);
        if (pos_comment)
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, NULL, ptr_channel->buffer),
                date,
                irc_protocol_tags (command,
                                   (local_part
                                    || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL)
                                    || !weechat_config_boolean (irc_config_look_smart_filter)
                                    || !weechat_config_boolean (irc_config_look_smart_filter_quit)
                                    || ptr_nick_speaking) ?
                                   NULL : "irc_smart_filter",
                                   nick, address),
                _("%s%s%s%s%s%s%s%s%s%s has left %s%s%s %s(%s%s%s)"),
                weechat_prefix ("quit"),
                irc_nick_color_for_msg (server, 1, ptr_nick, nick),
                nick,
                IRC_COLOR_CHAT_DELIMITERS,
                (display_host) ? " (" : "",
                IRC_COLOR_CHAT_HOST,
                (display_host) ? address : "",
                IRC_COLOR_CHAT_DELIMITERS,
                (display_host) ? ")" : "",
                IRC_COLOR_MESSAGE_QUIT,
                IRC_COLOR_CHAT_CHANNEL,
                ptr_channel->name,
                IRC_COLOR_MESSAGE_QUIT,
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_REASON_QUIT,
                pos_comment,
                IRC_COLOR_CHAT_DELIMITERS);
        }
        else
        {
            weechat_printf_date_tags (
                irc_msgbuffer_get_target_buffer (
                    server, NULL, command, NULL, ptr_channel->buffer),
                date,
                irc_protocol_tags (command,
                                   (local_part
                                    || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL)
                                    || !weechat_config_boolean (irc_config_look_smart_filter)
                                    || !weechat_config_boolean (irc_config_look_smart_filter_quit)
                                    || ptr_nick_speaking) ?
                                   NULL : "irc_smart_filter",
                                   nick, address),
                _("%s%s%s%s%s%s%s%s%s%s has left %s%s%s"),
                weechat_prefix ("quit"),
                irc_nick_color_for_msg (server, 1, ptr_nick, nick),
                nick,
                IRC_COLOR_CHAT_DELIMITERS,
                (display_host) ? " (" : "",
                IRC_COLOR_CHAT_HOST,
                (display_host) ? address : "",
                IRC_COLOR_CHAT_DELIMITERS,
                (display_host) ? ")" : "",
                IRC_COLOR_MESSAGE_QUIT,
                IRC_COLOR_CHAT_CHANNEL,
                ptr_channel->name,
                IRC_COLOR_MESSAGE_QUIT);
        }
    }

    /* part request was issued by local client ? */
    if (local_part)
    {
        irc_nick_free_all (server, ptr_channel);

        irc_channel_modelist_set_state (ptr_channel,
                                        IRC_MODELIST_STATE_MODIFIED);

        /* cycling ? => rejoin channel immediately */
        if (ptr_channel->cycle)
        {
            ptr_channel->cycle = 0;
            if (ptr_channel->key)
            {
                join_length = strlen (ptr_channel->name) + 1 +
                    strlen (ptr_channel->key) + 1;
                join_string = malloc (join_length);
                if (join_string)
                {
                    snprintf (join_string, join_length, "%s %s",
                              ptr_channel->name,
                              ptr_channel->key);
                    irc_command_join_server (server, join_string, 1, 1);
                    free (join_string);
                }
                else
                    irc_command_join_server (server, ptr_channel->name,
                                             1, 1);
            }
            else
                irc_command_join_server (server, ptr_channel->name,
                                         1, 1);
        }
        else
        {
            if (weechat_config_boolean (irc_config_look_part_closes_buffer))
                weechat_buffer_close (ptr_channel->buffer);
            else
                ptr_channel->part = 1;
        }
        irc_bar_item_update_channel ();
    }
    else if (ptr_nick)
    {
        /* part from another user */
        irc_channel_join_smart_filtered_remove (ptr_channel,
                                                ptr_nick->name);
        irc_nick_free (server, ptr_channel, ptr_nick);
    }

    return WEECHAT_RC_OK;
}


IRC_PROTOCOL_CALLBACK(438)
{
    struct t_gui_buffer *ptr_buffer;

    IRC_PROTOCOL_MIN_ARGS(4);

    ptr_buffer = irc_msgbuffer_get_target_buffer (server, NULL,
                                                  command, NULL, NULL);

    if (argc >= 5)
    {
        weechat_printf_date_tags (
            ptr_buffer,
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            "%s%s (%s => %s)",
            weechat_prefix ("network"),
            (argv_eol[4][0] == ':') ? argv_eol[4] + 1 : argv_eol[4],
            argv[2],
            argv[3]);
    }
    else
    {
        weechat_printf_date_tags (
            ptr_buffer,
            date,
            irc_protocol_tags (command, "irc_numeric", NULL, NULL),
            "%s%s %s",
            weechat_prefix ("network"),
            argv[2],
            argv[3]);
    }

    return WEECHAT_RC_OK;
}