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From: Bart Schaefer <schaefer@brasslantern.com>
To: Daniel Shahaf <d.s@daniel.shahaf.name>, zsh-workers@zsh.org
Subject: Re: xtrace output sets ERRNO to 9 (EBADF)
Date: Sun, 11 Dec 2022 10:52:44 -0800	[thread overview]
Message-ID: <CAH+w=7ZKMq+2XGe=taPjVevkU7b34=RXr3rsV8xssLoRRRq5oA@mail.gmail.com> (raw)
In-Reply-To: <20221211183546.ogwicuctgxbtit6w@chazelas.org>

On Sun, Dec 11, 2022 at 10:36 AM Stephane Chazelas
<stephane@chazelas.org> wrote:
>
> > This ignores any errors from the fileno() and fclose() calls as well, though?
>
> Yes, though it's probably just  as well. Users use $ERRNO to
> detect errors while doing operations they asked for.

Exactly; xtrace shouldn't be affecting program errors.  In any case,
fileno() doesn't set errno (it's just a data structure deref, would
only fail by crashing) and zclose() already clobbers the error from
fclose().


  reply	other threads:[~2022-12-11 18:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-09 14:10 Stephane Chazelas
2022-12-10  2:57 ` Bart Schaefer
2022-12-10 11:38   ` Daniel Shahaf
2022-12-11 18:35     ` Stephane Chazelas
2022-12-11 18:52       ` Bart Schaefer [this message]
2022-12-11 20:01         ` Stephane Chazelas

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