- Srv->SendOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+std::string(parameters[0])+" to "+parameters[1]);
- Srv->ChangeUserNick(source,std::string(parameters[1]));
- // only attempt to set their lockflag after we know the change succeeded
- source = Srv->FindNick(std::string(parameters[1]));
- if (source)
- source->Extend("nick_locked", "ON");
+ ServerInstance->WriteOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+parameters[0]+" to "+parameters[1]);
+ if (!source->ForceNickChange(parameters[1]))
+ {
+ userrec::QuitUser(ServerInstance, source, "Nickname collision");
+ return CMD_FAILURE;
+ }
+ source->Extend("nick_locked", "ON");
+
+ return CMD_SUCCESS;