From: Florian Weimer <fw@deneb.enyo.de>
To: Jonny Grant <jg@jguk.org>
Cc: linux-man <linux-man@vger.kernel.org>,
Michael Kerrisk <mtk.manpages@gmail.com>
Subject: Re: strlen
Date: Fri, 04 Sep 2020 21:21:47 +0200 [thread overview]
Message-ID: <87lfhpgxf8.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <0bf239e9-cfc7-8889-ca00-b1d1566bd174@jguk.org> (Jonny Grant's message of "Fri, 4 Sep 2020 19:01:12 +0100")
* Jonny Grant:
> Hello
>
> https://man7.org/linux/man-pages/man3/strlen.3.html
>
> Is it possible to clarify :-
>
> * glibc will SIGSEGV if 's' is NULL
> * there are no ERROR returns
That would be misleading. Whether strlen (NULL) is undefined also
depends on the compiler. They know that the argument cannot be zero
and optimize accordingly.
next prev parent reply other threads:[~2020-09-04 19:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-04 18:01 strlen Jonny Grant
2020-09-04 19:21 ` Florian Weimer [this message]
2020-09-04 23:14 ` strlen Jonny Grant
2020-09-05 7:12 ` strlen Florian Weimer
2021-07-06 20:30 ` strlen Jonny Grant
2021-07-06 22:11 ` strlen Florian Weimer
2021-07-07 11:36 ` strlen Jonny Grant
2021-07-07 12:22 ` strlen Alejandro Colomar (man-pages)
2021-07-07 12:31 ` strlen Alejandro Colomar (man-pages)
2021-07-07 13:31 ` strlen Jonny Grant
2021-07-07 16:57 ` strlen Alejandro Colomar (man-pages)
2021-07-07 17:23 ` strlen Alejandro Colomar (man-pages)
2021-07-07 17:33 ` strlen Alejandro Colomar (man-pages)
2021-07-09 13:48 ` strlen Jonny Grant
2021-07-08 10:07 ` strlen Jonny Grant
2021-07-08 11:06 ` strlen Alejandro Colomar (man-pages)
2021-07-08 12:13 ` strlen Xi Ruoyao
2021-07-08 23:49 ` strlen Segher Boessenkool
2021-07-09 13:54 ` strlen Jonny Grant
2021-07-09 14:17 ` strlen Alejandro Colomar (man-pages)
2021-07-09 16:11 ` strlen Xi Ruoyao
2021-07-10 1:00 ` strlen Segher Boessenkool
2021-07-09 10:50 ` strlen Jonny Grant
2021-07-09 11:27 ` strlen Alejandro Colomar (man-pages)
2021-07-09 11:43 ` strlen Alejandro Colomar (man-pages)
[not found] ` <1627912755.3783669.1625745946723@mail.yahoo.com>
[not found] ` <59a70222-a46f-1e65-c9db-6c9e577c8adc@126.com>
2021-07-09 17:26 ` strlen Martin Sebor
2021-07-09 20:19 ` strlen Alejandro Colomar (man-pages)
2021-07-09 20:44 ` strlen Jonny Grant
2021-07-10 18:37 ` strlen Alejandro Colomar (man-pages)
2021-07-10 20:49 ` strlen Jonny Grant
2021-07-10 21:36 ` strlen Alejandro Colomar (man-pages)
2021-07-12 21:16 ` strlen Jonny Grant
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