Test tweak to clarify how channel joins work

git-svn-id: http://svn.inspircd.org/repository/branches/1_0_stable@3902 e03df62e-2008-0410-955e-edbf42e46eb7

src/channels.cpp

@@ -440,6 +440,17 @@ chanrec* add_channel(userrec *user, const char* cn, const char* key, bool overri
 			}
 		}
 	}
+	else
+	{
+		for (unsigned int index =0; index < user->chans.size(); index++)
+		{
+			if (user->chans[index]->channel == Ptr)
+			{
+				user->chans[index]->channel = NULL;
+				user->chans[index]->uc_modes = 0;
+			}
+		}
+	}
 	return NULL;
 }
 

src/helperfuncs.cpp

@@ -1225,7 +1225,7 @@ void purge_empty_chans(userrec* u)
 	// firstly decrement the count on each channel
 	for (std::vector<ucrec*>::iterator f = u->chans.begin(); f != u->chans.end(); f++)
 	{
-		if (((ucrec*)(*f))->channel)
+		if ((*f) && ((ucrec*)(*f))->channel)
 		{
 			if (((ucrec*)(*f))->channel->DelUser(u) == 0)
 			{