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Message-ID: <CAKpSnpKg22nNqiOxo3==ZwFxSvb3SnhJp4C41Uq-Y+vmZF4T_A@mail.gmail.com>
Date: Mon, 28 Jan 2019 19:42:36 +0000
From: Jorge Almeida <jjalmeida@...il.com>
To: musl@...ts.openwall.com
Subject: Re: fdopendir (BUG?)
On Mon, Jan 28, 2019 at 6:54 PM Adhemerval Zanella
<adhemerval.zanella@...aro.org> wrote:
>
>
>
> On 28/01/2019 10:37, Jorge Almeida wrote:
> > (the problem also occurs with glibc, besides the fact that glibc
> > requires also _GNU_SOURCE to compile, contradicting the linux man
> > page)
> Because O_PATH is a Linux extension and it guards such definitions
> with _GNU_SOURCE. And although man-pages is not the canonical glibc
> documentation, it does states that O_PATH is only defined if
> _GNU_SOURCE is also defined (man-pages commit
> 1135dbe188a48d7fa237396ab371ebf74037c1f6 from 2013-02-13).
My man page for opendir has the date 2017-09-15 ("release 4.16 of
the Linux man-pages project") It says:
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
fdopendir():
Since glibc 2.10:
_POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_GNU_SOURCE
I have glibc-2.27
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