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[Emacs-diffs] Changes to emacs/lisp/subr.el
From: |
Simon Josefsson |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/subr.el |
Date: |
Fri, 29 Oct 2004 17:27:02 -0400 |
Index: emacs/lisp/subr.el
diff -c emacs/lisp/subr.el:1.422 emacs/lisp/subr.el:1.423
*** emacs/lisp/subr.el:1.422 Thu Oct 28 23:29:26 2004
--- emacs/lisp/subr.el Fri Oct 29 21:21:33 2004
***************
*** 1215,1220 ****
--- 1215,1275 ----
(setq first nil))
code))
+ (defun read-passwd (prompt &optional confirm default)
+ "Read a password, prompting with PROMPT, and return it.
+ If optional CONFIRM is non-nil, read the password twice to make sure.
+ Optional DEFAULT is a default password to use instead of empty input.
+
+ This function echoes `.' for each character that the user types.
+ The user ends with RET, LFD, or ESC. DEL or C-h rubs out. C-u kills line.
+ C-g quits; if `inhibit-quit' was non-nil around this function,
+ then it returns nil if the user types C-g.
+
+ Once the caller uses the password, it can erase the password
+ by doing (clear-string STRING)."
+ (with-local-quit
+ (if confirm
+ (let (success)
+ (while (not success)
+ (let ((first (read-passwd prompt nil default))
+ (second (read-passwd "Confirm password: " nil default)))
+ (if (equal first second)
+ (progn
+ (and (arrayp second) (clear-string second))
+ (setq success first))
+ (and (arrayp first) (clear-string first))
+ (and (arrayp second) (clear-string second))
+ (message "Password not repeated accurately; please start over")
+ (sit-for 1))))
+ success)
+ (let ((pass nil)
+ (c 0)
+ (echo-keystrokes 0)
+ (cursor-in-echo-area t))
+ (while (progn (message "%s%s"
+ prompt
+ (make-string (length pass) ?.))
+ (setq c (read-char-exclusive nil t))
+ (and (/= c ?\r) (/= c ?\n) (/= c ?\e)))
+ (clear-this-command-keys)
+ (if (= c ?\C-u)
+ (progn
+ (and (arrayp pass) (clear-string pass))
+ (setq pass ""))
+ (if (and (/= c ?\b) (/= c ?\177))
+ (let* ((new-char (char-to-string c))
+ (new-pass (concat pass new-char)))
+ (and (arrayp pass) (clear-string pass))
+ (clear-string new-char)
+ (setq c ?\0)
+ (setq pass new-pass))
+ (if (> (length pass) 0)
+ (let ((new-pass (substring pass 0 -1)))
+ (and (arrayp pass) (clear-string pass))
+ (setq pass new-pass))))))
+ (message nil)
+ (or pass default "")))))
+
;; This should be used by `call-interactively' for `n' specs.
(defun read-number (prompt &optional default)
(let ((n nil))
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Eli Zaretskii, 2004/10/08
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Kim F . Storm, 2004/10/09
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Kim F . Storm, 2004/10/11
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Stefan Monnier, 2004/10/13
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Richard M . Stallman, 2004/10/16
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Richard M . Stallman, 2004/10/17
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Simon Josefsson, 2004/10/25
- [Emacs-diffs] Changes to emacs/lisp/subr.el, Stefan Monnier, 2004/10/28
- [Emacs-diffs] Changes to emacs/lisp/subr.el,
Simon Josefsson <=