fix crash if input is other than string (#2)

2018-12-12 21:39:36 +01:00 · 2018-12-12 21:39:36 +01:00 · 2464a74af2
parent 0db423d834
commit 2464a74af2
1 changed files with 5 additions and 0 deletions
--- a/functions.lua
+++ b/functions.lua
@ -120,6 +120,11 @@ local node_def_defaults = {
 					if channel ~= minetest.get_meta(pos):get_string("channel") then
 						return
 					end
+
+					if type(msg) ~= "string" then
+						return
+					end
+
 					digiterms.push_text_on_screen(pos, msg)
 				end,
 		},