Tentative de correction d'un crash

README.txt

@@ -1,6 +1,6 @@
 Minetest mod "Inventory Tweaks"
 ===============================
-version: 2.0
+version: 2.0.1
 
 License of source code: WTFPL
 -----------------------------

init.lua

@@ -34,6 +34,9 @@ local function add_buttons(player, formspec)
 		formspec = player:get_inventory_formspec()
 	end
 	local w,h = get_formspec_size(formspec)
+	if not w or not h then
+		return
+	end
 	for i=1,#tweak.buttons do
 		formspec = formspec .. "button["..w-2+(i*0.5)..",-0.2;" .. tweak.buttons[i]
 	end
@@ -188,6 +191,7 @@ end
 -- tool break sound  + autorefill
 function refill(player, stck_name, index)
 	local inv = player:get_inventory()
+	if inv:get_list("main") then
 		for i,stack in ipairs(inv:get_list("main")) do
 			if stack:get_name() == stck_name then
 				inv:set_stack("main", index, stack)
@@ -198,6 +202,7 @@ function refill(player, stck_name, index)
 			end
 		end
 	end
+end
 
 if auto_refill == true then
 	minetest.register_on_placenode(function(pos, newnode, placer, oldnode)
@@ -269,6 +274,14 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
 	if not old and tname == "" then
 		old = 0
 	end
+	--debug
+	if not old then
+		old = 0
+		print("Debug invtweak: OLD is nil\nplayer is ")
+		print(name)
+		print("\nname is ")
+		print(tname)
+	end
 	local new = item:get_wear()
 
 	if old ~= new then
@@ -285,3 +298,5 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
 		end
 	end
 end)
+
+minetest.log("action", "[invtweak] loaded.")