;;; sha1-dl.el --- SHA1 Secure Hash Algorithm using DL module.
-;; Copyright (C) 1999 Shuhei KOBAYASHI
+;; Copyright (C) 1999, 2001 Free Software Foundation, Inc.
;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
;; Keywords: SHA1, FIPS 180-1
;;; Code:
-(defvar sha1-dl-module
- (if (and (fboundp 'sha1-string)
- (subrp (symbol-function 'sha1-string)))
- nil
- (if (fboundp 'dynamic-link)
- (let ((path (expand-file-name "sha1.so" exec-directory)))
- (and (file-exists-p path)
- path)))))
+(provide 'sha1-dl) ; beware of circular dependency.
+(eval-when-compile (require 'sha1)) ; sha1-dl-module.
-(defvar sha1-dl-handle
- (and (stringp sha1-dl-module)
- (file-exists-p sha1-dl-module)
- (dynamic-link sha1-dl-module)))
+;;; This file is loaded (from "sha1.el") only when sha1-dl-module exists.
+(defvar sha1-dl-handle (dynamic-link sha1-dl-module))
-;;; sha1-dl-module provides `sha1-string'.
+;;; sha1-dl-module provides `sha1-string' and `sha1-binary'.
(dynamic-call "emacs_sha1_init" sha1-dl-handle)
(defun sha1-region (beg end)
- (interactive "r")
(sha1-string (buffer-substring-no-properties beg end)))
-;;;###autoload
(defun sha1 (object &optional beg end)
"Return the SHA1 (Secure Hash Algorithm) of an object.
OBJECT is either a string or a buffer.
(sha1-region (or beg (point-min)) (or end (point-max))))))
(provide 'sha1-dl)
-(provide 'sha1)
-;;; sha1-dl.el ends here.
+;;; sha1-dl.el ends here