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Message-ID: <20260908202341.GH23438@brightrain.aerifal.cx>
Date: Tue, 8 Sep 2026 16:23:41 -0400
From: Rich Felker <dalias@...c.org>
To: Ismael Luceno <ismael@...ev.co.uk>
Cc: musl@...ts.openwall.com
Subject: Re: [PATCH] catgets: Handle invalid catalog descriptor
On Sat, Aug 29, 2026 at 02:52:24AM +0200, Ismael Luceno wrote:
> On 28/Aug/2026 19:14, Rich Felker wrote:
> <...>
> > Is this widespread behavior on all existing implementations other than
> > musl that's just not standardized?
> <...>
>
> Yes, it's universal.
I looked and noticed that glibc is not setting errno in this case. Do
the others? It seems harmful -- it's going to clobber any errno that
might be about to be passed to strerror (or used by %m) printing an
error message.
My leaning, if we're going to do this, would be to treat it not as an
error condition but as a choice to define a case that's left
undefined in the way other implementations define it.
Rich
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