Use lua_isnoneornil() for optional check.

Neopallium · Aug 7, 2012 · 773979c · 773979c
1 parent cb17d84
commit 773979c
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/native_objects/gen_lua.lua b/native_objects/gen_lua.lua
@@ -328,7 +328,7 @@ static FUNC_UNUSED obj_udata *obj_udata_luacheck_internal(lua_State *L, int _ind
 				return ud;
 			}
 		}
-	} else if(!lua_isnil(L, _index)) {
+	} else if(!lua_isnoneornil(L, _index)) {
 		/* handle cdata. */
 		/* get private table. */
 		lua_pushlightuserdata(L, obj_udata_private_key);
@@ -367,7 +367,7 @@ static FUNC_UNUSED void *obj_udata_luacheck(lua_State *L, int _index, obj_type *
 
 static FUNC_UNUSED void *obj_udata_luaoptional(lua_State *L, int _index, obj_type *type) {
 	void *obj = NULL;
-	if(lua_gettop(L) < _index || lua_isnil(L, _index)) {
+	if(lua_isnoneornil(L, _index)) {
 		return obj;
 	}
 	obj_udata_luacheck_internal(L, _index, &(obj), type, 1);
@@ -557,7 +557,7 @@ static FUNC_UNUSED void * obj_simple_udata_luacheck(lua_State *L, int _index, ob
 				return ud;
 			}
 		}
-	} else if(!lua_isnil(L, _index)) {
+	} else if(!lua_isnoneornil(L, _index)) {
 		/* handle cdata. */
 		/* get private table. */
 		lua_pushlightuserdata(L, obj_udata_private_key);
@@ -583,7 +583,7 @@ static FUNC_UNUSED void * obj_simple_udata_luacheck(lua_State *L, int _index, ob
 }
 
 static FUNC_UNUSED void * obj_simple_udata_luaoptional(lua_State *L, int _index, obj_type *type) {
-	if(lua_gettop(L) < _index || lua_isnil(L, _index)) {
+	if(lua_isnoneornil(L, _index)) {
 		return NULL;
 	}
 	return obj_simple_udata_luacheck(L, _index, type);
@@ -857,7 +857,7 @@ static FUNC_UNUSED bool obj_implement_luaoptional(lua_State *L, int _index, obj_
 		char *if_name)
 {
 	void *ud;
-	if(lua_gettop(L) < _index || lua_isnil(L, _index)) {
+	if(lua_isnoneornil(L, _index)) {
 		return false;
 	}
 	/* get the implements table for this interface. */