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+;;; files.scm --- The R6RS file system library
+
+;; Copyright (C) 2010 Free Software Foundation, Inc.
+;;
+;; This library is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU Lesser General Public
+;; License as published by the Free Software Foundation; either
+;; version 3 of the License, or (at your option) any later version.
+;;
+;; This library 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
+;; Lesser General Public License for more details.
+;;
+;; You should have received a copy of the GNU Lesser General Public
+;; License along with this library; if not, write to the Free Software
+;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+
+(library (rnrs files (6))
+ (export file-exists?
+ delete-file
+
+ &i/o make-i/o-error i/o-error?
+ &i/o-read make-i/o-read-error i/o-read-error?
+ &i/o-write make-i/o-write-error i/o-write-error?
+
+ &i/o-invalid-position
+ make-i/o-invalid-position-error
+ i/o-invalid-position-error?
+ i/o-error-position
+
+ &i/o-filename
+ make-i/o-filename-error
+ i/o-filename-error?
+ i/o-error-filename
+
+ &i/o-file-protection
+ make-i/o-file-protection-error
+ i/o-file-protection-error?
+
+ &i/o-file-is-read-only
+ make-i/o-file-is-read-only-error
+ i/o-file-is-read-only-error?
+
+ &i/o-file-already-exists
+ make-i/o-file-already-exists-error
+ i/o-file-already-exists-error?
+
+ &i/o-file-does-not-exist
+ make-i/o-file-does-not-exist-error
+ i/o-file-does-not-exist-error?
+
+ &i/o-port
+ make-i/o-port-error
+ i/o-port-error?
+ i/o-error-port)
+
+ (import (rename (only (guile) file-exists? delete-file catch @@)
+ (delete-file delete-file-internal))
+ (rnrs base (6))
+ (rnrs conditions (6))
+ (rnrs exceptions (6)))
+
+ (define (delete-file filename)
+ (catch #t
+ (lambda () (delete-file-internal filename))
+ (lambda (key . args) (raise (make-i/o-filename-error filename)))))
+
+ ;; Condition types that are used by (rnrs files), (rnrs io ports), and
+ ;; (rnrs io simple). These are defined here so as to be easily shareable by
+ ;; these three libraries.
+
+ (define-condition-type &i/o &error make-i/o-error i/o-error?)
+ (define-condition-type &i/o-read &i/o make-i/o-read-error i/o-read-error?)
+ (define-condition-type &i/o-write &i/o make-i/o-write-error i/o-write-error?)
+ (define-condition-type &i/o-invalid-position
+ &i/o make-i/o-invalid-position-error i/o-invalid-position-error?
+ (position i/o-error-position))
+ (define-condition-type &i/o-filename
+ &i/o make-i/o-filename-error i/o-filename-error?
+ (filename i/o-error-filename))
+ (define-condition-type &i/o-file-protection
+ &i/o-filename make-i/o-file-protection-error i/o-file-protection-error?)
+ (define-condition-type &i/o-file-is-read-only
+ &i/o-file-protection make-i/o-file-is-read-only-error
+ i/o-file-is-read-only-error?)
+ (define-condition-type &i/o-file-already-exists
+ &i/o-filename make-i/o-file-already-exists-error
+ i/o-file-already-exists-error?)
+ (define-condition-type &i/o-file-does-not-exist
+ &i/o-filename make-i/o-file-does-not-exist-error
+ i/o-file-does-not-exist-error?)
+ (define-condition-type &i/o-port &i/o make-i/o-port-error i/o-port-error?
+ (port i/o-error-port))
+)