localRedirect(w, r, "./")
		return
	}

	f, err := fs.Open(name)
	if err != nil {
		msg, code := toHTTPError(err)
		serveError(w, msg, code)
		return
	}
	defer f.Close()

	d, err := f.Stat()
	if err != nil {
		msg, code := toHTTPError(err)
		serveError(w, msg, code)
		return
	}

	if redirect {
		// redirect to canonical path: / at end of directory url