GNU bug report logs - #14719
24.3; Crashing when setting frames to random colors

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Steve Wainstead <swain <at> socialserve.com>
Subject: bug#14719: closed (Re: bug#14719: 24.3; Crashing when setting
 frames to random colors)
Date: Mon, 25 Sep 2017 16:54:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#14719: 24.3; Crashing when setting frames to random colors

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 14719 <at> debbugs.gnu.org.

-- 
14719: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=14719
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Alan Third <alan <at> idiocy.org>
To: Steve Wainstead <swainstead <at> emphasys-software.com>
Cc: Steve Wainstead <swain <at> socialserve.com>, 14719-done <at> debbugs.gnu.org
Subject: Re: bug#14719: 24.3; Crashing when setting frames to random colors
Date: Mon, 25 Sep 2017 17:52:55 +0100

On Mon, Sep 25, 2017 at 09:30:30AM -0400, Steve Wainstead wrote:
> I’m running 25.2.1 these days and have not experienced it; and I’ve
> been using the code below once again, so your timing is actually
> perfect! If I do see it again I will email you a stack trace from
> the Crash Reporter.

Thanks! I’m closing the bug report.
-- 
Alan Third

[Message part 3 (message/rfc822, inline)]

From: Steve Wainstead <swain <at> socialserve.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3; Crashing when setting frames to random colors
Date: Tue, 25 Jun 2013 15:00:09 -0700

I have a Lisp function that is run every time I do M-x compile:

;; choose random colors every time we compile, just for fun
(defun sw-make-random-hex-color-string ()
  "Return a string in the form of #FFFFFF. Choose the number for
   #xffffff randomly using Emacs Lisp's builtin function (random)."
  ;; seed our random number generator: current datetime plus Emacs's
  ;; process ID
  (random t)
  (format "#%06x" (random #xffffff))
  )

(defun sw-randomize-frame-colors ()
  "Change foreground and background colors of the current frame to
random colors."
  (interactive)
  (let 
      (
       (fg-color (sw-make-random-hex-color-string)) 
       (bg-color (sw-make-random-hex-color-string))
       (color-distance #x3fffff)
       )
    (set-foreground-color fg-color)
    (set-background-color bg-color)
    )
  )

I *think* sometimes the color values come out the same and it causes
Emacs to crash. I'm not sure because it's almost instantaneous when I
run compile.

Note that color-distance is unused, a feature I've yet to implement.


In GNU Emacs 24.3.1 (x86_64-apple-darwin12.3.0, NS apple-appkit-1187.37)
of 2013-03-20 on swain.socialserve.com
Windowing system distributor `Apple', version 10.3.1187
Configured using:
`configure '--with-ns''

Important settings:
  locale-coding-system: nil
  default enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  display-time-mode: t
  desktop-save-mode: t
  show-paren-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent input:
y <menu-bar> <options> <menu-set-font> <ns-change-font> 
<ns-change-font> <help-echo> <help-echo> M-x s e SPC 
t SPC f o r e <tab> <return> r e d <return> M-x s e 
t SPC b a c k <tab> <return> r e d <return> M-x s e 
t SPC b a c k g r o u n d SPC c o l o r <return> b 
l a c k <return> M-x s e t SPC f o r e <tab> <return> 
g o l d e n r o d <return> C-e <f1> k <f15> C-x o C-n 
C-e M-b C-x . <return> C-g C-x k <return> <return> 
C-x 1 M-x s e t SPC c u r <tab> <return> c <backspace> 
r e d <return> C-e C-n C-n C-n C-n C-n C-n C-n C-n 
M-x b u g s <tab> C-g M-x r e p o r t - e m a c s - 
b u g <return>

Recent messages:
Using the CPython shell
Local value of py-indent-offset set to 4
Using the CPython shell
Desktop: 9 buffers restored.
For information about GNU Emacs and the GNU system, type C-h C-a.
Making completion list...
Type C-x 1 to delete the help window.
Local value of py-indent-offset set to 4
Using the CPython shell
Mark set
Quit [2 times]

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None found.

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---
Steve Wainstead
SocialServe.com

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