GNU bug report logs - #79200
31.0.50; Duplicated elements for '#<marker at' in buffer-undo-list

Previous Next

Full log

View this message in rfc822 format

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Helmut Eller <eller.helmut <at> gmail.com>
Cc: pipcet <at> protonmail.com, Óscar Fuentes <oscarfv <at> eclipso.eu>, monnier <at> iro.umontreal.ca, Alan Mackenzie <acm <at> muc.de>, 79200 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#79200: 31.0.50; Duplicated elements for '#<marker at' in buffer-undo-list
Date: Wed, 13 Aug 2025 08:39:11 +0200

Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:

> Helmut Eller <eller.helmut <at> gmail.com> writes:
>
>> On Tue, Aug 12 2025, Gerd Möllmann wrote:
>>
>>> Like so, I think:
>>
>> I think the DEFVAR_INT is not needed. Something like this:
>>
>> static ptrdiff_t next_marker_id;
>>
>> static ptrdiff_t
>> next_marker_id (void)
>> {
>>   return next_marker_id++;
>> }
>>
>> and in syms_of_alloc
>>
>>   PDUMPER_REMEMBER_SCALAR(next_marker_id);
>>
>> should also work.
>
> That's true.
>
> I've made it a DEFVAR mainly because I wanted to be able to see it
> easily :-).
>
> Don't know if the wrap-around check in next_marker_id is really
> necessary; that's just paranoia, I guess, or maybe laziness, not wanting
> to calculate :-).

BTW, C-h v next--marker-id and 'g' to refresh is somwwhat interesting.
In my mac GUI session each 'g' shows 472 markers have been made.
Whatever that means.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.