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Date: Thu, 25 Jan 2024 16:30:58 +0100
From: Ismael Luceno <ismael@...ev.co.uk>
To: Markus Wichmann <nullplan@....net>
Cc: musl@...ts.openwall.com, Rich Felker <dalias@...c.org>
Subject: Re: [PATCH] fix avoidable segfault in catclose
On 25/Jan/2024 15:11, Markus Wichmann wrote:
<...>
> BTW, POSIX does not say catclose() is required (or even allowed) to
> accept (nl_catd)-1 as argument, its description of the return value of
> catopen() also says that it is only suitable for use with catclose()
> when successful.
It does imply it, it mentions that it could take invalid descriptors
and that it should return -1 & errno == EBADF.
Also, this is relevant to code found in the wild, not an application
of my own.
--
Ismael Luceno
http://iodev.co.uk/
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