From: HybridDog <ovvv@web.de>
Date: Tue, 28 Jun 2016 04:34:22 +0000 (+0200)
Subject: Only allow strings to be passed to minetest.global_exists (#4253)
X-Git-Tag: 0.4.15~343
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=80cebdc23c29ed778958ba3a35662cbc5f5e2f09;p=oweals%2Fminetest.git

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
---

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