From: "Alejandro Colomar (man-pages)" <alx.manpages@gmail.com>
To: Stefan Kanthak <stefan.kanthak@nexgo.de>
Cc: linux-man@vger.kernel.org, mtk.manpages@gmail.com
Subject: Re: strstr(3): add special case for empty needle, as in wcsstr(3)
Date: Sun, 25 Jul 2021 22:33:34 +0200 [thread overview]
Message-ID: <60df2547-dd6a-0f6a-c69d-c6ad0c1de610@gmail.com> (raw)
In-Reply-To: <A957374054024F7DAA865C767B958654@H270>
Hi Stefan,
On 7/12/21 11:20 AM, Stefan Kanthak wrote:
> Hi,
>
> in the section return value, wcsstr(3) provides the following note
> for the special case of an empty needle:
>
> <https://man7.org/linux/man-pages/man3/wcsstr.3.html#RETURN_VALUE>
>
> | Note the special case: If needle is the empty wide-character
> | string, the return value is always haystack itself.
>
> The same note is but missing in strstr(3) and should be added there:
>
> <https://man7.org/linux/man-pages/man3/strstr.3.html#RETURN_VALUE>
>
> | Note the special case: If needle is the empty string, the return
> | value is always haystack itself.
Thanks, I applied a patch with that addition. What a coincidence! I was
looking for that special case this morning, and had to guess it out
considering it as a normal case :)
Regards,
Alex
--
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/
prev parent reply other threads:[~2021-07-25 20:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-12 9:20 strstr(3): add special case for empty needle, as in wcsstr(3) Stefan Kanthak
2021-07-25 20:33 ` Alejandro Colomar (man-pages) [this message]
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