void *util_alloc(size_t sz)
{
    static size_t bytes_left;
    static void *plugin_buffer = rb->plugin_get_buffer(&bytes_left);
    if(plugin_buffer)
    {
        void *ret = plugin_buffer;
        plugin_buffer += sz;
        if((signed long) bytes_left - (signed long) sz < 0)
        {
            error("Im all outta memoriez!!! :(");
            return NULL;
        }
        bytes_left -= sz;
        return ret;
    }
    else
    {
        return NULL;
    }
}