From 5b10d245e368cd54f33928665b282462a52fd5d8 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/encodings.c | 3 +++
 1 file changed, 3 insertions(+)

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

diff --git a/util-src/encodings.c b/util-src/encodings.c
index 35677095..6389b2be 100644
--- a/util-src/encodings.c
+++ b/util-src/encodings.c
@@ -524,6 +524,9 @@ static const luaL_Reg Reg_idna[] = {
 /***************** end *****************/
 
 LUALIB_API int luaopen_util_encodings(lua_State* L) {
+#if (LUA_VERSION_NUM > 501)
+	luaL_checkversion(L);
+#endif
 #ifdef USE_STRINGPREP_ICU
 	init_icu();
 #endif
-- 
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