/usr/share/sigscheme/lib/sigscheme-init.scm is in sigscheme-runtime 0.8.5-4ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | ;; Filename : sigscheme-init.scm
;; About : Initialization file for SigScheme
;;
;; Copyright (c) 2007-2008 SigScheme Project <uim-en AT googlegroups.com>
;;
;; All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. Neither the name of authors nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
;; IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
;; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
;; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
;; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
(define %with-guarded-char-codec
(lambda (thunk)
(let ((orig-codec (%%current-char-codec))
(thunk-codec (%%current-char-codec)))
(dynamic-wind
(lambda ()
(%%set-current-char-codec! thunk-codec))
thunk
(lambda ()
(set! thunk-codec (%%current-char-codec))
(%%set-current-char-codec! orig-codec))))))
(define with-char-codec
(lambda (codec thunk)
(%with-guarded-char-codec
(lambda ()
(%%set-current-char-codec! codec)
(thunk)))))
;; Preserve original C implementation.
(define %%load load)
;; Recover original char codec when an error is occurred on loading.
(define load
(if (provided? "multibyte-char")
(lambda (file)
(%with-guarded-char-codec
(lambda ()
(%%load file))))
%%load))
;; R5RS
(define call-with-input-file
(lambda (filename proc)
(let* ((port (open-input-file filename))
(res (proc port)))
(close-input-port port)
res)))
;; R5RS
(define call-with-output-file
(lambda (filename proc)
(let* ((port (open-output-file filename))
(res (proc port)))
(close-output-port port)
res)))
;; R5RS
(define with-input-from-file
(lambda (file thunk)
(let ((orig-port (current-input-port))
(thunk-port (current-input-port)))
(dynamic-wind
(lambda ()
(%%set-current-input-port! thunk-port))
(lambda ()
(let* ((port (open-input-file file))
(res (begin
(set! thunk-port port)
(%%set-current-input-port! thunk-port)
(thunk))))
(close-input-port port)
res))
(lambda ()
(%%set-current-input-port! orig-port))))))
;; R5RS
(define with-output-to-file
(lambda (file thunk)
(let ((orig-port (current-output-port))
(thunk-port (current-output-port)))
(dynamic-wind
(lambda ()
(%%set-current-output-port! thunk-port))
(lambda ()
(let* ((port (open-output-file file))
(res (begin
(set! thunk-port port)
(%%set-current-output-port! thunk-port)
(thunk))))
(close-output-port port)
res))
(lambda ()
(%%set-current-output-port! orig-port))))))
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