From 5f26a96cc471f320b763f00f4dea785500d7ebb3 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Sun, 8 Jan 2017 14:21:08 +0100
Subject: util-src: Make C modules assert that the Lua runtime matches what it
 was compiled for

---
 util-src/ringbuffer.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'util-src/ringbuffer.c')

diff --git a/util-src/ringbuffer.c b/util-src/ringbuffer.c
index f5fa136b..d60a43d9 100644
--- a/util-src/ringbuffer.c
+++ b/util-src/ringbuffer.c
@@ -197,6 +197,9 @@ int rb_gc(lua_State* L) {
 }
 
 int luaopen_util_ringbuffer(lua_State* L) {
+#if (LUA_VERSION_NUM > 501)
+	luaL_checkversion(L);
+#endif
 	if(luaL_newmetatable(L, "ringbuffer_mt")) {
 		lua_pushcfunction(L, rb_tostring);
 		lua_setfield(L, -2, "__tostring");
-- 
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