static int
s_user_addhost(struct client *client_p, struct lconn *conn_p, const char *parv[], int parc)
{
        struct user_reg *reg_p;
        struct host_reg *hreg_p;
        char *username;
        char *mask;

        username = client_p->name;

       if((hreg_p = find_host_reg(NULL, parv[0])) != NULL)
        {
                service_send(userserv_p, client_p, conn_p,
                                (const char*)LangMsg(client_p, LAN_UALREADYREG), hreg_p->hostmask);
                return 0;
        }

        hreg_p = BlockHeapAlloc(user_host_heap);

        strlcpy(hreg_p->username, username, sizeof(hreg_p->username));
        strlcpy(hreg_p->hostmask, parv[0], sizeof(hreg_p->hostmask));

        add_host_reg(hreg_p);

        rsdb_exec(NULL, "INSERT INTO user_hostmask (username, mask) "
                        "VALUES('%Q', '%Q')",
                         hreg_p->username, hreg_p->hostmask);

 service_send(userserv_p, client_p, conn_p,
                        (const char*)LangMsg(client_p, LAN_UADDHOST), hreg_p->username, hreg_p->hostmask);
        return 0;
}