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Diffstat (limited to 'ice-9/safe.scm')
-rw-r--r-- | ice-9/safe.scm | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/ice-9/safe.scm b/ice-9/safe.scm new file mode 100644 index 000000000..fe6da1a31 --- /dev/null +++ b/ice-9/safe.scm @@ -0,0 +1,31 @@ +;;;; 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) |