From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: EMACS_INT cleanup
Date: Fri, 24 Sep 2010 01:59:52 +0200 [thread overview]
Message-ID: <jwvocbo6mjl.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <m3wrqcoyvf.fsf@quimbies.gnus.org> (Lars Magne Ingebrigtsen's message of "Fri, 24 Sep 2010 00:53:40 +0200")
> Isn't the SPECPDL thing for building a backtrace strack? The
> specbinding structure is 16 bytes, and I'm assuming that it's organised
> as a, er, stack. So having this be more than 31 bits will require a
> recursion that goes deeper than the moon has atoms. (Well, ok. That's
> a slight exaggeration. I admit it.)
Yes, but using ptrdiff_t will have the advantage that it's just right.
Using int requires a cast and an argument for why int is sufficiently
large in practice. Casts are bad, and human-arguments are only OK when
we can't argue directly with the compiler.
Stefan
next prev parent reply other threads:[~2010-09-23 23:59 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-23 18:37 EMACS_INT cleanup Lars Magne Ingebrigtsen
2010-09-23 19:00 ` Eli Zaretskii
2010-09-23 19:02 ` Lars Magne Ingebrigtsen
2010-09-23 19:29 ` Lars Magne Ingebrigtsen
2010-09-23 19:34 ` Lars Magne Ingebrigtsen
2010-09-23 19:53 ` Eli Zaretskii
2010-09-23 20:05 ` Lars Magne Ingebrigtsen
2010-09-23 20:27 ` Eli Zaretskii
2010-09-23 20:29 ` Lars Magne Ingebrigtsen
2010-09-23 20:40 ` Eli Zaretskii
2010-09-23 20:52 ` Lars Magne Ingebrigtsen
2010-09-23 20:41 ` Lars Magne Ingebrigtsen
2010-09-23 20:46 ` Eli Zaretskii
2010-09-23 20:52 ` Eli Zaretskii
2010-09-23 20:53 ` Lars Magne Ingebrigtsen
2010-09-23 22:07 ` Lars Magne Ingebrigtsen
2010-09-23 22:12 ` Juanma Barranquero
2010-09-23 22:46 ` Lars Magne Ingebrigtsen
2010-09-24 0:01 ` Stefan Monnier
2010-09-24 7:47 ` Eli Zaretskii
2010-09-24 9:43 ` Miles Bader
2010-09-24 10:05 ` Eli Zaretskii
2010-09-24 10:32 ` Eli Zaretskii
2010-09-24 11:02 ` Lars Magne Ingebrigtsen
2010-09-24 11:58 ` Eli Zaretskii
2010-09-24 13:00 ` Lars Magne Ingebrigtsen
2010-09-24 13:09 ` Eli Zaretskii
2010-09-24 13:23 ` Lars Magne Ingebrigtsen
2010-09-24 13:35 ` Eli Zaretskii
2010-09-24 13:40 ` Lars Magne Ingebrigtsen
2010-09-24 13:51 ` Lars Magne Ingebrigtsen
2010-09-24 14:04 ` David Kastrup
2010-09-23 22:30 ` Stefan Monnier
2010-09-23 22:53 ` Lars Magne Ingebrigtsen
2010-09-23 23:59 ` Stefan Monnier [this message]
2010-09-24 0:07 ` Lars Magne Ingebrigtsen
2010-09-24 9:04 ` Andreas Schwab
2010-09-24 7:54 ` Eli Zaretskii
2010-09-24 7:51 ` Eli Zaretskii
2010-09-23 20:21 ` David Kastrup
2010-09-23 20:24 ` Lars Magne Ingebrigtsen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=jwvocbo6mjl.fsf-monnier+emacs@gnu.org \
--to=monnier@iro.umontreal.ca \
--cc=emacs-devel@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).