mirrors/emacs
1
Fork 0
mirror of git://git.sv.gnu.org/emacs.git synced 2026-03-06 05:52:32 -08:00
Code Issues Projects Releases Wiki Activity

(read-passwd): Renamed from read-password. New second arg CONFIRM.

Browse source
This commit is contained in:
Richard M. Stallman 1998-03-08 00:16:38 +00:00
parent 94a13fbf01
commit 44071d6b2c
1 changed files with 31 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

51
lisp/subr.el
View file

@ -763,27 +763,38 @@ any other non-digit terminates the character code and is then used as input."))
(setq first nil))
code))
(defun read-password (prompt &optional default)
"Read a password, echoing `.' for each character typed.
(defun read-passwd (prompt &optional confirm default)
"Read a password, prompting with PROMPT. Echo `.' for each character typed.
End with RET, LFD, or ESC. DEL or C-h rubs out. C-u kills line.
Optional DEFAULT is password to start with."
(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))
(and (/= c ?\r) (/= c ?\n) (/= c ?\e)))
(if (= c ?\C-u)
(setq pass "")
(if (and (/= c ?\b) (/= c ?\177))
(setq pass (concat pass (char-to-string c)))
(if (> (length pass) 0)
(setq pass (substring pass 0 -1))))))
(message nil)
(or pass default "")))
Optional argument CONFIRM, if non-nil, then read it twice to make sure.
Optional DEFAULT is a default password to use instead of empty input."
(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)
(setq success first)
(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))
(and (/= c ?\r) (/= c ?\n) (/= c ?\e)))
(if (= c ?\C-u)
(setq pass "")
(if (and (/= c ?\b) (/= c ?\177))
(setq pass (concat pass (char-to-string c)))
(if (> (length pass) 0)
(setq pass (substring pass 0 -1))))))
(message nil)
(or pass default ""))))
(defun force-mode-line-update (&optional all)
"Force the mode-line of the current buffer to be redisplayed.