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

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(now uses static variables)
This commit is contained in:
Roberto Ierusalimschy
2018-06-01 14:40:38 -03:00
parent fb8fa66136
commit 505fc91222
5 changed files with 12 additions and 20 deletions
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8
lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.290 2018/02/27 20:01:55 roberto Exp roberto $
** $Id: lapi.c,v 2.291 2018/04/04 14:23:41 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -38,10 +38,12 @@ const char lua_ident[] =
/* value at a non-valid index */
#define NONVALIDVALUE cast(TValue *, luaO_nilobject)
static const TValue nonvalidvaluep = {NILCONSTANT};
#define NONVALIDVALUE cast(TValue *, &nonvalidvaluep)
/* corresponding test */
#define isvalid(o) ((o) != luaO_nilobject)
#define isvalid(o) ((o) != &nonvalidvaluep)
/* test for pseudo index */
#define ispseudo(i) ((i) <= LUA_REGISTRYINDEX)