From baa0e234564a5ceca4211486d1cc70be55a070a2 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 24 Jul 2014 11:00:16 -0300
Subject: better support for extra user space associated with a Lua state

---
 lua.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lua.h')

diff --git a/lua.h b/lua.h
index cdfc88ce..ee70ec7d 100644
--- a/lua.h
+++ b/lua.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.h,v 1.309 2014/07/17 13:53:37 roberto Exp roberto $
+** $Id: lua.h,v 1.310 2014/07/22 18:07:47 roberto Exp roberto $
 ** Lua - A Scripting Language
 ** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
 ** See Copyright Notice at the end of this file
@@ -332,6 +332,8 @@ LUA_API void      (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud);
 ** ===============================================================
 */
 
+#define lua_getextraspace(L)	((void *)((char *)(L) - LUA_EXTRASPACE))
+
 #define lua_tonumber(L,i)	lua_tonumberx(L,(i),NULL)
 #define lua_tointeger(L,i)	lua_tointegerx(L,(i),NULL)
 
-- 
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