1 files changed, 7 insertions, 2 deletions
diff --git a/lib/lua/src/lapi.c b/lib/lua/src/lapi.c
index e456c8f..849c724 100644
--- a/lib/lua/src/lapi.c
+++ b/lib/lua/src/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 1.6 2007-07-27 10:05:53 pixel Exp $
+** $Id: lapi.c,v 1.7 2008-02-17 00:35:20 pixel Exp $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -123,6 +123,11 @@ LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
 }
 
 
+LUA_API void lua_setlevel (lua_State *from, lua_State *to) {
+  to->nCcalls = from->nCcalls;
+}
+
+
 LUA_API lua_CFunction lua_atpanic (lua_State *L, lua_CFunction panicf) {
   lua_CFunction old;
   lua_lock(L);
@@ -749,7 +754,7 @@ LUA_API int lua_setfenv (lua_State *L, int idx) {
       res = 0;
       break;
   }
-  luaC_objbarrier(L, gcvalue(o), hvalue(L->top - 1));
+  if (res) luaC_objbarrier(L, gcvalue(o), hvalue(L->top - 1));
   L->top--;
   lua_unlock(L);
   return res;