;;; jka-compr.el --- reading/writing/loading compressed files
-;; Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+;; Copyright (C) 1993-1995, 1997, 1999-2016 Free Software Foundation,
+;; Inc.
-;; Author: jka@ece.cmu.edu (Jay K. Adams)
-;; Maintainer: FSF
+;; Author: Jay K. Adams <jka@ece.cmu.edu>
+;; Maintainer: emacs-devel@gnu.org
;; Keywords: data
;; This file is part of GNU Emacs.
(put 'jka-compr-really-do-compress 'permanent-local t)
\f
-(put 'compression-error 'error-conditions '(compression-error file-error error))
-
+(define-error 'compression-error nil 'file-error)
(defvar jka-compr-acceptable-retval-list '(0 2 141))
null-device))
jka-compr-acceptable-retval-list)
(jka-compr-error prog args infile message err-file))
- (jka-compr-delete-temp-file err-file)))
+ (delete-file err-file)))
+
;; Run the uncompression program directly.
;; We get the whole file and must delete what we don't want.
(jka-compr-call-process prog message infile t nil args))
;; call-process barfs if default-directory is inaccessible.
(let ((default-directory
(if (and default-directory
+ (not (file-remote-p default-directory))
(file-accessible-directory-p default-directory))
default-directory
(file-name-directory infile))))
"")))
jka-compr-acceptable-retval-list)
(jka-compr-error prog args infile message err-file))
- (jka-compr-delete-temp-file err-file)))
+ (delete-file err-file)))
(or (eq 0
(apply 'call-process
prog infile (if (stringp output) temp output)
:type 'string
:group 'jka-compr)
-(defun jka-compr-make-temp-name (&optional local-copy)
+(defun jka-compr-make-temp-name (&optional _local-copy)
"This routine will return the name of a new file."
(make-temp-file jka-compr-temp-name-template))
-(defalias 'jka-compr-delete-temp-file 'delete-file)
-
-
(defun jka-compr-write-region (start end file &optional append visit)
(let* ((filename (expand-file-name file))
(visit-file (if (stringp visit) (expand-file-name visit) filename))
(and
compress-message
+ jka-compr-verbose
(message "%s %s..." compress-message base-name))
(jka-compr-run-real-handler 'write-region
(with-current-buffer temp-buffer
(let ((coding-system-for-write 'no-conversion))
- (if (memq system-type '(ms-dos windows-nt))
- (setq buffer-file-type t) )
(jka-compr-run-real-handler 'write-region
(list (point-min) (point-max)
filename
(and append can-append) 'dont))
(erase-buffer)) )
- (jka-compr-delete-temp-file temp-file)
+ (delete-file temp-file)
(and
compress-message
+ jka-compr-verbose
(message "%s %s...done" compress-message base-name))
(cond
(and
uncompress-message
+ jka-compr-verbose
(message "%s %s..." uncompress-message base-name))
(condition-case error-code
(and
uncompress-message
+ jka-compr-verbose
(message "%s %s...done" uncompress-message base-name))
(and
(and
uncompress-message
+ jka-compr-verbose
(message "%s %s..." uncompress-message base-name))
;; Here we must read the output of uncompress program
(and
uncompress-message
+ jka-compr-verbose
(message "%s %s...done" uncompress-message base-name))
(write-region
;; Support for loading compressed files.
-(defun jka-compr-load (file &optional noerror nomessage nosuffix)
+(defun jka-compr-load (file &optional noerror nomessage _nosuffix)
"Documented as original."
(let* ((local-copy (jka-compr-file-local-copy file))
(setq file (file-name-sans-extension file)))
(setcar l file)))
- (jka-compr-delete-temp-file local-copy))
+ (delete-file local-copy))
t))
(defun jka-compr-uninstall ()
"Uninstall jka-compr.
This removes the entries in `file-name-handler-alist' and `auto-mode-alist'
-and `inhibit-first-line-modes-suffixes' that were added
+and `inhibit-local-variables-suffixes' that were added
by `jka-compr-installed'."
- ;; Delete from inhibit-first-line-modes-suffixes
- ;; what jka-compr-install added.
+ ;; Delete from inhibit-local-variables-suffixes what jka-compr-install added.
(mapc
(function (lambda (x)
(and (jka-compr-info-strip-extension x)
- (setq inhibit-first-line-modes-suffixes
+ (setq inhibit-local-variables-suffixes
(delete (jka-compr-info-regexp x)
- inhibit-first-line-modes-suffixes)))))
+ inhibit-local-variables-suffixes)))))
jka-compr-compression-info-list--internal)
(let* ((fnha (cons nil file-name-handler-alist))
(provide 'jka-compr)
-;; arch-tag: 3f15b630-e9a7-46c4-a22a-94afdde86ebc
;;; jka-compr.el ends here