Commit dc81e166 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(comint-read-noecho): Clear out the intermediate strings.

parent 0565d307
......@@ -1396,9 +1396,11 @@ RET, LFD, or ESC. DEL or C-h rubs out. C-u kills line. C-g aborts (if
filter and C-g is pressed, this function returns nil rather than a string).
Note that the keystrokes comprising the text can still be recovered
\(temporarily) with \\[view-lossage]. This may be a security bug for some
\(temporarily) with \\[view-lossage]. Some people find this worrysome.
Once the caller uses the password, it can erase the password
by doing (fillarray STRING 0)."
(let ((ans "")
(newans nil)
(c 0)
(echo-keystrokes 0)
(cursor-in-echo-area t)
......@@ -1423,10 +1425,14 @@ applications."
((or (= c ?\r) (= c ?\n) (= c ?\e))
(setq done t))
((= c ?\C-u)
(fillarray ans 0)
(setq ans ""))
((and (/= c ?\b) (/= c ?\177))
(setq ans (concat ans (char-to-string c))))
(setq newans (concat ans (char-to-string c)))
(fillarray ans 0)
(setq ans newans))
((> (length ans) 0)
(aset ans (1- (length ans)) 0)
(setq ans (substring ans 0 -1)))))
(if quit-flag
;; Emulate a true quit, except that we have to return a value.
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