From 80cebdc23c29ed778958ba3a35662cbc5f5e2f09 Mon Sep 17 00:00:00 2001
From: HybridDog <ovvv@web.de>
Date: Tue, 28 Jun 2016 06:34:22 +0200
Subject: [PATCH] Only allow strings to be passed to minetest.global_exists
(#4253)
Sometimes you accidentally forget the quotes when using global_exists, this makes minetest abort if you did so.
M builtin/common/strict.lua
---
builtin/common/strict.lua | 3 +++
1 file changed, 3 insertions(+)
diff --git a/builtin/common/strict.lua b/builtin/common/strict.lua
index 05ceadf7a..23ba3d727 100644
--- a/builtin/common/strict.lua
+++ b/builtin/common/strict.lua
@@ -5,6 +5,9 @@ local WARN_INIT = false
function core.global_exists(name)
+ if type(name) ~= "string" then
+ error("core.global_exists: " .. tostring(name) .. " is not a string")
+ end
return rawget(_G, name) ~= nil
end
--
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