X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fevents.lua;h=e2943e4497f75bdda61b50ca11914e623864e6a6;hb=41ecd82142981dc50735bc6161bb4ac740f68e96;hp=825ffb19b110f7e4d7e517d52fd34fbe6aaeb001;hpb=fb932a967b093e5a7dd9c21b7fa058729890e542;p=prosody.git

diff --git a/util/events.lua b/util/events.lua
index 825ffb19..e2943e44 100644
--- a/util/events.lua
+++ b/util/events.lua
@@ -17,10 +17,15 @@ local next = next;
 local _ENV = nil;
 
 local function new()
+	-- Map event name to ordered list of handlers (lazily built): handlers[event_name] = array_of_handler_functions
 	local handlers = {};
+	-- Array of wrapper functions that wrap all events (nil if empty)
 	local global_wrappers;
+	-- Per-event wrappers: wrappers[event_name] = wrapper_function
 	local wrappers = {};
+	-- Event map: event_map[handler_function] = priority_number
 	local event_map = {};
+	-- Called on-demand to build handlers entries
 	local function _rebuild_index(handlers, event)
 		local _handlers = event_map[event];
 		if not _handlers or next(_handlers) == nil then return; end
@@ -126,7 +131,7 @@ local function new()
 			end
 		end
 		if #w == 0 then
-			if event_name == nil then
+			if event_name == false then
 				global_wrappers = nil;
 			else
 				wrappers[event_name] = nil;