lua_tag should return LUA_NOTAG for non-valid indices

This commit is contained in:
Roberto Ierusalimschy 2000-09-27 09:51:39 -03:00
parent 13635f7de7
commit 444d6a106b
2 changed files with 9 additions and 3 deletions

8
bugs
View File

@ -215,5 +215,11 @@ Mon Sep 25 11:47:48 EST 2000
** lgc.c
Mon Sep 25 11:50:48 EST 2000
>> GC may crash when checking C closures
>> GC may crash when checking locked C closures
(by Philip Yi; since 4.0b)
** lapi.c
Wed Sep 27 09:50:19 EST 2000
>> lua_tag should return LUA_NOTAG for non-valid indices
(by Paul Hankin; since 4.0b)

4
lapi.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 1.98 2000/09/14 14:09:31 roberto Exp roberto $
** $Id: lapi.c,v 1.99 2000/09/18 19:39:26 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -131,7 +131,7 @@ int lua_isnumber (lua_State *L, int index) {
int lua_tag (lua_State *L, int index) {
btest(L, index,
((ttype(o) == TAG_USERDATA) ? tsvalue(o)->u.d.tag :
luaT_effectivetag(L, o)), -1);
luaT_effectivetag(L, o)), LUA_NOTAG);
}
int lua_equal (lua_State *L, int index1, int index2) {