Function checkaddr

library/LuaApi.cpp:3464–3477

/***** Internal module *****/

static void *checkaddr(lua_State *L, int idx, bool allow_null = false)
{
    luaL_checkany(L, idx);
    void *rv;
    if (lua_isnil(L, idx))
        rv = NULL;
    else if (lua_type(L, idx) == LUA_TNUMBER)
        rv = (void*)lua_tounsigned(L, idx);
    else
        rv = Lua::CheckDFObject(L, NULL, idx);
    if (!rv && !allow_null)
        luaL_argerror(L, idx, "null pointer");
    return rv;
}

static md5wrapper md5_wrap;