luaa: remove luaA_toudata()

Signed-off-by: Julien Danjou <julien@danjou.info>

luaa.c

@@ -413,7 +413,7 @@ luaAe_type(lua_State *L)
     luaL_checkany(L, 1);
 #define CHECK_TYPE(type) \
     do { \
-        if(luaA_toudata2(L, 1, #type) || luaA_toudata(L, 1, #type)) \
+        if(luaA_toudata2(L, 1, #type)) \
         { \
             lua_pushliteral(L, #type); \
             return 1; \

luaa.h

@@ -107,30 +107,6 @@ luaA_dumpstack(lua_State *L)
     fprintf(stderr, "------- Lua stack dump end ------\n");
 }
 
-/** Convert a object to a udata if possible.
- * \param L The Lua VM state.
- * \param ud The index.
- * \param tname The type name.
- * \return A pointer to the object, NULL otherwise.
- */
-static inline void *
-luaA_toudata(lua_State *L, int ud, const char *tname)
-{
-    void **p = lua_touserdata(L, ud);
-    if(p && *p) /* value is a userdata? */
-        if(lua_getmetatable(L, ud)) /* does it have a metatable? */
-        {
-            lua_getfield(L, LUA_REGISTRYINDEX, tname); /* get correct metatable */
-            if(lua_rawequal(L, -1, -2)) /* does it have the correct mt? */
-            {
-                lua_pop(L, 2); /* remove both metatables */
-                return p;
-            }
-            lua_pop(L, 2); /* remove both metatables */
-        }
-    return NULL;
-}
-
 /** Convert a object to a udata if possible.
  * \param L The Lua VM state.
  * \param ud The index.