GNU bug report logs - #8184
23.1.90; `menu-bar-non-minibuffer-window-p' error in calls to `kill-this-buffer'

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From: "Drew Adams" <drew.adams <at> oracle.com>
To: "'martin rudalics'" <rudalics <at> gmx.at>, "'Eli Zaretskii'" <eliz <at> gnu.org>
Cc: 8184 <at> debbugs.gnu.org, 'tlh' <thunkout <at> gmail.com>
Subject: bug#8184: 23.1.90; `menu-bar-non-minibuffer-window-p' error in callsto	`kill-this-buffer'
Date: Sun, 6 Mar 2011 10:59:05 -0800

> Am I right that the time for executing `kill-this-buffer-enabled-p' is
> currently always proportional to the number of live buffers?

Seems so.

> In that case I'd rewrite [t]his function as
> 
> (defun kill-this-buffer-enabled-p ()
>    (or (not (menu-bar-non-minibuffer-window-p))
>        (let (found-1)
> 	(catch 'found-2
> 	  (dolist (buffer (buffer-list))
> 	    (unless (string-match-p "^ " (buffer-name buffer))
> 	      (if (not found-1)
> 		  (setq found-1 t)
> 		(throw 'found-2 t))))))))

`found-1' is useless here (not used).

(defun kill-this-buffer-enabled-p ()
  (or (not (menu-bar-non-minibuffer-window-p))
      (catch 'found
        (dolist (buffer  (buffer-list))
          (unless (string-match-p "^ " (buffer-name buffer))
            (throw 'found t)))
        nil)))

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