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;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: CCL; Base: 10 -*-
;;; $Header: /usr/local/cvsrep/cl-fad/openmcl.lisp,v 1.6 2009/09/30 14:23:10 edi Exp $
;;; Copyright (c) 2004-2010, Dr. Edmund Weitz. All rights reserved.
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;; * Redistributions of source code must retain the above copyright
;;; notice, this list of conditions and the following disclaimer.
;;; * 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.
;;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS 'AS IS' AND ANY EXPRESSED
;;; 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 AUTHOR 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.
(in-package :cl-fad)
(eval-when (:compile-toplevel :load-toplevel :execute)
(flet ((ccl-function-feature (symbol-name feature)
(let ((symbol (find-symbol symbol-name :ccl)))
(when (and symbol (fboundp symbol))
(pushnew feature *features*)))))
(ccl-function-feature "%RMDIR" :ccl-has-%rmdir)
(ccl-function-feature "DELETE-DIRECTORY" :ccl-has-delete-directory)))
(defpackage :cl-fad-ccl
(:use :cl)
(:export delete-directory)
(:import-from :ccl
:%realpath
:signal-file-error
:native-translated-namestring
:with-cstrs)
#+ccl-has-%rmdir
(:import-from :ccl :%rmdir)
#+ccl-has-delete-directory
(:import-from :ccl :delete-directory))
(in-package :cl-fad-ccl)
#-ccl-has-%rmdir
(defun %rmdir (name)
(with-cstrs ((n name))
(#_rmdir n)))
;;; ClozureCL 1.6 introduced ccl:delete-directory with semantics that
;;; are acceptably similar to this "legacy" definition.
;;;
;;; Except this legacy definition is not recursive, hence this function is
;;; used only if there is no :CCL-HAS-DELETE-DIRECTORY feature.
#-ccl-has-delete-directory
(defun delete-directory (path)
(let* ((namestring (native-translated-namestring path)))
(when (%realpath namestring)
(let* ((err (%rmdir namestring)))
(or (eql 0 err) (signal-file-error err path))))))
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