Deserialization: Restore backwards compat (minetest#12519)

EleutherAI · Jul 14, 2022 · ac4eb74 · ac4eb74
1 parent 6df69f9
commit ac4eb74
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/builtin/common/serialize.lua b/builtin/common/serialize.lua
@@ -188,6 +188,16 @@ local function dummy_func() end
 local nan = (0/0)^1 -- +nan
 
 function core.deserialize(str, safe)
+ -- Backwards compatibility
+ if str == nil then
+ core.log("deprecated", "minetest.deserialize called with nil (expected string).")
+ return nil, "Invalid type: Expected a string, got nil"
+ end
+ local t = type(str)
+ if t ~= "string" then
+ error(("minetest.deserialize called with %s (expected string)."):format(t))
+ end
+
  local func, err = loadstring(str)
  if not func then return nil, err end