From: Andy Spencer <andy753421@gmail.com>
To: "Am??rico Wang" <xiyou.wangcong@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fix %*s%n in sscanf
Date: Fri, 25 Sep 2009 10:42:03 +0000 [thread overview]
Message-ID: <20090925104203.GA11323@c.hsd1.tn.comcast.net> (raw)
In-Reply-To: <2375c9f90909250002o59d5d375i8a670494db02287a@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 382 bytes --]
> > int end;
> > char buf[] = "hello world";
> > sscanf(buf, "%*s%n", &end);
> > printf("%d\n", end);
>
> Yeah, seems reasonable. So, without your patch, sscanf() in kernel
> will ignore everything after '*', right?
Currently it ignores everything between '*' and whitespace. So '%*s%n'
does not work, but '%*s %n' will correctly return the start of "world".
[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]
prev parent reply other threads:[~2009-09-25 10:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-25 6:27 Andy Spencer
2009-09-25 7:02 ` Américo Wang
2009-09-25 10:42 ` Andy Spencer [this message]
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=20090925104203.GA11323@c.hsd1.tn.comcast.net \
--to=andy753421@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=xiyou.wangcong@gmail.com \
/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
all inboxes | Powered by JetHome®