;;;; Copyright (C) 2000 Free Software Foundation, Inc. ;;;; ;;;; This program is free software; you can redistribute it and/or modify ;;;; it under the terms of the GNU General Public License as published by ;;;; the Free Software Foundation; either version 2, or (at your option) ;;;; any later version. ;;;; ;;;; This program is distributed in the hope that it will be useful, ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;;; GNU General Public License for more details. ;;;; ;;;; You should have received a copy of the GNU General Public License ;;;; along with this software; see the file COPYING. If not, write to ;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330, ;;;; Boston, MA 02111-1307 USA ;;;; ;;;; Safe subset of R5RS bindings (define-module (ice-9 safe)) (define safe-r5rs-interface (resolve-interface '(ice-9 safe-r5rs))) (define-public (safe-environment n) (if (not (= n 5)) (scm-error 'misc-error 'safe-environment "~A is not a valid version" (list n) '())) safe-r5rs-interface)