no more 'luaO_nilobject' to avoid comparison of global variable addresses

(now uses static variables)

1 files changed, 3 insertions, 2 deletions

diff --git a/ltm.c b/ltm.c
index 6d285510..f0784305 100644
--- a/ltm.c
+++ b/ltm.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltm.c,v 2.66 2018/02/27 17:48:28 roberto Exp roberto $
+** $Id: ltm.c,v 2.67 2018/04/04 14:23:41 roberto Exp roberto $
 ** Tag methods
 ** See Copyright Notice in lua.h
 */
@@ -69,6 +69,7 @@ const TValue *luaT_gettm (Table *events, TMS event, TString *ename) {
 
 
 const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, TMS event) {
+  static const TValue nilobject = {NILCONSTANT};
   Table *mt;
   switch (ttype(o)) {
     case LUA_TTABLE:
@@ -80,7 +81,7 @@ const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, TMS event) {
     default:
       mt = G(L)->mt[ttype(o)];
   }
-  return (mt ? luaH_getshortstr(mt, G(L)->tmname[event]) : luaO_nilobject);
+  return (mt ? luaH_getshortstr(mt, G(L)->tmname[event]) : &nilobject);
 }