bugfixes

components/post.lua

@@ -40,10 +40,10 @@ function private.post_auction(slot, k)
 		end)
 
 		local posted
-		Aux.control.event_listener('CHAT_MSG_SYSTEM', function()
+		Aux.control.event_listener('CHAT_MSG_SYSTEM', function(kill)
 			if arg1 == ERR_AUCTION_STARTED then
 				c()
-				Aux.control.kill()
+				kill()
 			end
 		end)
 	else

components/scan.lua

@@ -8,7 +8,7 @@ do
 	local scan_states = {}
 
 	function public.start(params)
-		for old_state in {scan_states[params.type]} do
+		for _, old_state in {scan_states[params.type]} do
 			m.abort(old_state.id)
 		end
 		local thread_id = Aux.control.thread(Aux.f(m.wait_for_callback, params.on_scan_start, m.scan))
@@ -215,8 +215,8 @@ end
 
 function private.wait_for_list_results(c)
     local updated, last_update
-    Aux.control.event_listener('AUCTION_ITEM_LIST_UPDATE', function()
-	    Aux.control.kill(-c)
+    Aux.control.event_listener('AUCTION_ITEM_LIST_UPDATE', function(kill)
+	    kill(-c)
         last_update = GetTime()
         updated = true
     end)

components/stack.lua

@@ -52,7 +52,6 @@ function private.find_charge_item_slot()
 end
 
 function private.move_item(from_slot, to_slot, amount, k)
-
 	if m.locked(from_slot) or m.locked(to_slot) then
 		return Aux.control.wait(k)
 	end
@@ -80,7 +79,6 @@ function private.process()
 		m.state.target_slot = m.find_charge_item_slot()
 		return m.stop()
 	end
-
 	if m.stack_size(m.state.target_slot) > m.state.target_size then
 		local slot = m.find_item_slot(true) or m.find_empty_slot()
 		if slot then
@@ -102,24 +100,18 @@ function private.process()
 			)
 		end
 	end
-		
 	return m.stop()
 end
 
 function public.stop()
 	if m.state then
 		Aux.control.kill_thread(m.state.thread_id)
-
 		local callback, slot = m.state.callback, m.state.target_slot
 		if slot and not m.matching_item(slot) then
 			slot = nil
 		end
-		
 		m.state = nil
-		
-		if callback then
-			callback(slot)
-		end
+		Aux.safe_call(callback, slot)
 	end
 end
 
@@ -127,7 +119,6 @@ function public.start(item_key, size, callback)
 	m.stop()
 
 	local thread_id = Aux.control.thread(m.process)
-
 	m.state = {
 		thread_id = thread_id,
 		item_key = item_key,