From: Paul Lalonde <plalonde@telus.net>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] quiz
Date: Tue, 5 Jun 2007 18:07:00 -0700 [thread overview]
Message-ID: <2F03E7E9-C7F5-41C6-9E27-462B6B07EE14@telus.net> (raw)
In-Reply-To: <13426df10706051736q4e1852a9g3f54d8f6e2d182b4@mail.gmail.com>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Signed bit field overflow.
You (don't) want "unsigned int botch:1;"
Yuck.
On 5-Jun-07, at 5:36 PM, ron minnich wrote:
> /* catch the bug */
>
> struct x {
> int botch:1;
> };
>
> fun(){
> struct x x;
> x.botch = 0;
> x.botch = 1;
> }
>
> ok, what's the bug? anyone? I just found this out today. (no, I don't
> use bitfields, but insane people do)
>
> ron
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (Darwin)
iD8DBQFGZgi1pJeHo/Fbu1wRAk8AAJ9GjwNz6JLxWav33huG68SjB4R1YACfZHNI
BtIRBQPaXw91oj5Am+VDVaU=
=Ai0G
-----END PGP SIGNATURE-----
next prev parent reply other threads:[~2007-06-06 1:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-06 0:36 ron minnich
2007-06-06 0:43 ` Roman Shaposhnick
2007-06-06 3:41 ` ron minnich
2007-06-06 3:48 ` Roman Shaposhnik
2007-06-06 4:18 ` ron minnich
2007-06-06 4:30 ` Kris Maglione
2007-06-06 4:36 ` Kris Maglione
2007-06-06 7:05 ` Bruce Ellis
2007-06-06 8:15 ` W B Hacker
2007-06-06 1:07 ` Paul Lalonde [this message]
2007-06-06 1:16 ` Roman Shaposhnick
2007-06-06 8:49 ` [9fans] quiz prem
-- strict thread matches above, loose matches on Subject: below --
2002-05-02 5:55 [9fans] quiz rob pike, esq.
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
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2F03E7E9-C7F5-41C6-9E27-462B6B07EE14@telus.net \
--to=plalonde@telus.net \
--cc=9fans@cse.psu.edu \
/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.
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 NNTP newsgroup(s).