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34 lines
1.2 KiB
Scheme
34 lines
1.2 KiB
Scheme
;;;; Copyright (C) 2000 Free Software Foundation, Inc.
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;;;;
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;;;; This program is free software; you can redistribute it and/or modify
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;;;; it under the terms of the GNU General Public License as published by
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;;;; the Free Software Foundation; either version 2, or (at your option)
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;;;; any later version.
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;;;;
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;;;; This program is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;;; GNU General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU General Public License
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;;;; along with this software; see the file COPYING. If not, write to
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;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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;;;; Boston, MA 02111-1307 USA
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;;;;
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;;;; Safe subset of R5RS bindings
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(define-module (ice-9 safe))
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(define safe-r5rs-interface (resolve-interface '(ice-9 safe-r5rs)))
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(define-public (safe-environment n)
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(if (not (= n 5))
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(scm-error 'misc-error 'safe-environment
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"~A is not a valid version"
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(list n)
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'()))
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safe-r5rs-interface)
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(define-public (make-safe-module)
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(make-module 1021 (list safe-r5rs-interface)))
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