-extern ServerConfig* Config;
-
-/* return 0 or 1 depending if users u and u2 share one or more common channels
- * (used by QUIT, NICK etc which arent channel specific notices)
- *
- * The old algorithm in 1.0 for this was relatively inefficient, iterating over
- * the first users channels then the second users channels within the outer loop,
- * therefore it was a maximum of x*y iterations (upon returning 0 and checking
- * all possible iterations). However this new function instead checks against the
- * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
- * and saves us time as we already know what pointer value we are after.
- * Don't quote me on the maths as i am not a mathematician or computer scientist,
- * but i believe this algorithm is now x+(log y) maximum iterations instead.
- */
-int common_channels(userrec *u, userrec *u2)
-{
- if ((!u) || (!u2) || (u->registered != REG_ALL) || (u2->registered != REG_ALL))
- return 0;
-
- /* Outer loop */
- for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
- {
- /* Fetch the channel from the user */
- ucrec* user_channel = (ucrec*)(*i);
-
- if (user_channel->channel)
- {
- /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
- * by replacing it with a map::find which *should* be more efficient
- */
- CUList* channel_user_map = user_channel->channel->GetUsers();
- if (channel_user_map->find(u2) != channel_user_map->end())
- return 1;
- }
- }
- return 0;
-}
-
-void Blocking(int s)
-{
- int flags = fcntl(s, F_GETFL, 0);
- fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
-}
-
-void NonBlocking(int s)
-{
- int flags = fcntl(s, F_GETFL, 0);
- fcntl(s, F_SETFL, flags | O_NONBLOCK);
-}
-
-int CleanAndResolve (char *resolvedHost, const char *unresolvedHost, bool forward)
-{
- bool ok;
- std::string ipaddr;
-
- DNS d(Config->DNSServer);
- if (forward)
- ok = d.ForwardLookup(unresolvedHost, false);
- else
- ok = d.ReverseLookup(unresolvedHost, false);
- if (!ok)
- return 0;
- time_t T = time(NULL)+1;
- while ((!d.HasResult()) && (time(NULL)<T));
- if (forward)
- ipaddr = d.GetResultIP();
- else
- ipaddr = d.GetResult();
- strlcpy(resolvedHost,ipaddr.c_str(),MAXBUF);
- return (ipaddr != "");
-}
-
-int c_count(userrec* u)
-{
- int z = 0;
- for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
- if (((ucrec*)(*i))->channel)
- z++;
- return z;
-
-}
-
-void ChangeName(userrec* user, const char* gecos)
-{
- if (user->fd > -1)
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(user,gecos));
- if (MOD_RESULT)
- return;
- FOREACH_MOD(I_OnChangeName,OnChangeName(user,gecos));
- }
- strlcpy(user->fullname,gecos,MAXGECOS+1);
-}
-
-void ChangeDisplayedHost(userrec* user, const char* host)
-{
- if (user->fd > -1)
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(user,host));
- if (MOD_RESULT)
- return;
- FOREACH_MOD(I_OnChangeHost,OnChangeHost(user,host));
- }
- strlcpy(user->dhost,host,63);
- WriteServ(user->fd,"396 %s %s :is now your hidden host",user->nick,user->dhost);
-}