GNU bug report logs - #11019
24.0.94; ring-insert+extend does not grow ring properly

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Chong Yidong <cyd <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#11019: closed (24.0.94; ring-insert+extend does not grow ring
 properly)
Date: Thu, 15 Mar 2012 08:44:02 +0000

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Your message dated Thu, 15 Mar 2012 16:13:27 +0800
with message-id <87haxquvrs.fsf <at> gnu.org>
and subject line Re: bug#11019: 24.0.94; ring-insert+extend does not grow ring properly
has caused the debbugs.gnu.org bug report #11019,
regarding 24.0.94; ring-insert+extend does not grow ring properly
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Chong Yidong <cyd <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.0.94; ring-insert+extend does not grow ring properly
Date: Thu, 15 Mar 2012 14:31:42 +0800

Looks like ring-insert+extend with a non-nil GROW-P argument does not
grow the ring properly if the ring is already "wrapped around":

(require 'ring)

(setq ring (make-ring 4))
(ring-insert ring 0)
(ring-insert ring 1)
(ring-insert ring 2)
(ring-insert ring 3)
(ring-insert ring 4)

(setq foo (ring-elements ring))
;; ==> (4 3 2 1)

(ring-insert+extend ring 5 t)

(setq bar (ring-elements ring))
;; ==> (1 4 5 3 2)
;; expected: (5 4 3 2 1)


I will write up a fix for this soon.

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

From: Chong Yidong <cyd <at> gnu.org>
To: 11019-done <at> debbugs.gnu.org
Subject: Re: bug#11019: 24.0.94; ring-insert+extend does not grow ring properly
Date: Thu, 15 Mar 2012 16:13:27 +0800

Chong Yidong <cyd <at> gnu.org> writes:

> I will write up a fix for this soon.

Fixed in revno 107606.

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