From d1f220217beadc102a8d44b8e930a92a9f54b001 Mon Sep 17 00:00:00 2001 From: Roberto Ierusalimschy Date: Wed, 27 Mar 2002 12:30:41 -0300 Subject: when possible, library functions accept nil as none --- lua.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'lua.h') diff --git a/lua.h b/lua.h index 4140af63..6bfe8b0f 100644 --- a/lua.h +++ b/lua.h @@ -1,5 +1,5 @@ /* -** $Id: lua.h,v 1.123 2002/03/18 18:18:35 roberto Exp roberto $ +** $Id: lua.h,v 1.124 2002/03/27 12:49:53 roberto Exp roberto $ ** Lua - An Extensible Extension Language ** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil ** e-mail: info@lua.org @@ -229,6 +229,7 @@ LUA_API void lua_newuserdatabox (lua_State *L, void *u); #define lua_isnil(L,n) (lua_type(L,n) == LUA_TNIL) #define lua_isboolean(L,n) (lua_type(L,n) == LUA_TBOOLEAN) #define lua_isnone(L,n) (lua_type(L,n) == LUA_TNONE) +#define lua_isnoneornil(L, n) (lua_type(L,n) <= 0) #define lua_pushliteral(L, s) lua_pushlstring(L, "" s, \ (sizeof(s)/sizeof(char))-1) -- cgit v1.2.3-55-g6feb