From c5050b1c4124967f695a22021c5fedfec381774c Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 16 Nov 2009 13:51:03 -0200
Subject: functions 'getfenv' and 'setfenv' are deprecated

---
 lbaselib.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'lbaselib.c')

diff --git a/lbaselib.c b/lbaselib.c
index 80c4e3fa..d9a61336 100644
--- a/lbaselib.c
+++ b/lbaselib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lbaselib.c,v 1.222 2009/11/09 18:55:17 roberto Exp roberto $
+** $Id: lbaselib.c,v 1.223 2009/11/13 17:01:40 roberto Exp roberto $
 ** Basic library
 ** See Copyright Notice in lua.h
 */
@@ -107,6 +107,9 @@ static int luaB_setmetatable (lua_State *L) {
 }
 
 
+
+#if defined(LUA_COMPAT_FENV)
+
 static void getfunc (lua_State *L, int opt) {
   if (lua_isfunction(L, 1)) lua_pushvalue(L, 1);
   else {
@@ -121,7 +124,6 @@ static void getfunc (lua_State *L, int opt) {
   }
 }
 
-
 static int luaB_getfenv (lua_State *L) {
   getfunc(L, 1);
   if (lua_iscfunction(L, -1))  /* is a C function? */
@@ -131,7 +133,6 @@ static int luaB_getfenv (lua_State *L) {
   return 1;
 }
 
-
 static int luaB_setfenv (lua_State *L) {
   luaL_checktype(L, 2, LUA_TTABLE);
   getfunc(L, 0);
@@ -142,6 +143,16 @@ static int luaB_setfenv (lua_State *L) {
   return 1;
 }
 
+#else
+
+static int luaB_getfenv (lua_State *L) {
+  return luaL_error(L, "getfenv/setfenv deprecated");
+}
+
+#define luaB_setfenv	luaB_getfenv
+
+#endif
+
 
 static int luaB_rawequal (lua_State *L) {
   luaL_checkany(L, 1);
-- 
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