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added api check in 'lua_typename' (tag is valid)

This commit is contained in:
Roberto Ierusalimschy 2014-07-15 18:14:49 -03:00
parent b9dcf9974d
commit d4fb848be7
1 changed files with 3 additions and 2 deletions
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5
lapi.c
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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.222 2014/06/26 18:28:24 roberto Exp roberto $
** $Id: lapi.c,v 2.223 2014/06/30 19:48:08 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -264,7 +264,8 @@ LUA_API int lua_type (lua_State *L, int idx) {
LUA_API const char *lua_typename (lua_State *L, int t) {
UNUSED(L);
(void)L;
api_check(L, LUA_TNONE <= t && t < LUA_NUMTAGS, "invalid tag");
return ttypename(t);
}