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From: Alexander Monakov <amonakov@ispras.ru>
To: musl@lists.openwall.com
Subject: Re: Why are stdin/stdout/stderr `FILE *const` in musl?
Date: Fri, 2 Feb 2018 17:13:06 +0300 (MSK)	[thread overview]
Message-ID: <alpine.LNX.2.20.13.1802021710290.5946@monopod.intra.ispras.ru> (raw)
In-Reply-To: <20180202145427.11f0c0b0@inria.fr>

On Fri, 2 Feb 2018, Jens Gustedt wrote:
>  > stderr
>  > stdin
>  > stdout
>  > which are expressions of type "pointer to FILE" that point to the FILE objects associated, respectively,
> 
> which clearly states that these are "expressions" not lvalues, and so
> your code

Note that musl's stdio.h can prevent abuse a bit harder by doing

#define stdin (stdin+0)

(making the expansion an rvalue and &stdin diagnosed with an error)

Alexander


  reply	other threads:[~2018-02-02 14:13 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-02 13:24 CodingMarkus
2018-02-02 13:54 ` Jens Gustedt
2018-02-02 14:13   ` Alexander Monakov [this message]
2018-02-02 15:01 ` Markus Wichmann
2018-02-02 15:30   ` CodingMarkus
     [not found]     ` <CAOUYtQAWqEY_Ys3crsyXDmVVqJVjfzwTA0NsDxfpgU5cP_t2nA@mail.gmail.com>
2018-02-02 15:53       ` Jon Chesterfield
2018-02-02 16:01     ` Jens Gustedt
2018-02-02 16:12     ` Jeff Hammond
2018-02-02 17:16     ` William Pitcock
2018-02-02 17:35 ` Rich Felker

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