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Date:      Wed, 9 Oct 2024 16:48:45 +0300
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Olivier Certner <olce@freebsd.org>
Cc:        Dag-Erling =?utf-8?B?U23DuHJncmF2?= <des@freebsd.org>, src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org
Subject:   Re: git: c2d93a803ace - main - env: Check the status of stdout.
Message-ID:  <ZwaJvVlX-dn9Ao4a@kib.kiev.ua>
In-Reply-To: <2444785.THHZn3L5Ee@ravel>
References:  <202410081702.498H2KIP072012@gitrepo.freebsd.org> <ZwZ0erARk2ZKAeBv@kib.kiev.ua> <86cyk9v499.fsf@ltc.des.dev> <2444785.THHZn3L5Ee@ravel>

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On Wed, Oct 09, 2024 at 03:35:17PM +0200, Olivier Certner wrote:
> Hi,
> 
> > > Could you please point me to the requirement?
> > 
> > General Assertion 39 in the Unix Conformance test suite.  Not sure
> > exactly which part of the standard it maps to.
> 
> While this requirement seems to make sense, I do not remember having ever read something like that in POSIX/SuS.  Searching these documents quickly yesterday, I failed to find anything related to it.
> 
> So I'm interested if any of you has pointers to offer, besides the UNIX conformance test suite.
> 

The closest text I found so far is from

IEEE Std 1003.1™-2024
XCU
1.4 Utility Description Defaults
CONSEQUENCES OF ERRORS

79953  • When an unrecoverable error condition is encountered, the utility shall exit with
79954  an exit status that indicates an error occurred.

79955  • A diagnostic message shall be written to standard error whenever an error
79956  condition occurs.

(the numbers are the total line numbers from the pdf instance of the standard).


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