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From: Stefan Tauner <stefan.tauner@gmx.at>
To: newlib@sourceware.org
Cc: Jordi Sanfeliu <jordi@fibranet.cat>
Subject: Re: [PATCH] Fix getlogin() to check only stdin to get a valid tty
Date: Thu, 13 Jul 2023 23:12:49 +0200	[thread overview]
Message-ID: <1M7sHo-1qGE7t0vwY-0053lN@mail.gmx.net> (raw)
In-Reply-To: <61101fc8-fc4f-8781-98a4-d84be32c126b@fibranet.cat>

On Thu, 13 Jul 2023 18:57:32 +0200
Jordi Sanfeliu via Newlib <newlib@sourceware.org> wrote:

> -  if (((tty = ttyname (0)) == 0)
> -      || ((tty = ttyname (1)) == 0)
> -      || ((tty = ttyname (2)) == 0))
> -    return 0;
> +  if ((tty = ttyname (0)) == 0)
> +      if ((tty = ttyname (1)) == 0)
> +          if ((tty = ttyname (2)) == 0)
> +              return 0;

IMHO the bug arose simply because of a || vs. && confusion. You can
just replace the || with && and have exactly the same effect as this
patch but it would be more customary.
-- 
Kind regards/Mit freundlichen Grüßen, Stefan Tauner

  parent reply	other threads:[~2023-07-13 21:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12 17:33 Jordi Sanfeliu
2023-07-12 18:50 ` Torbjorn SVENSSON
2023-07-12 20:06   ` Brian Inglis
2023-07-13 16:26     ` Torbjorn SVENSSON
2023-07-13  8:06   ` Jordi Sanfeliu
2023-07-13 16:25     ` Torbjorn SVENSSON
2023-07-13 16:57       ` Jordi Sanfeliu
2023-07-13 19:01         ` Jeff Johnston
2023-07-17  7:54           ` Corinna Vinschen
2023-07-13 21:12         ` Stefan Tauner [this message]
2023-07-17 19:06 ` Jeff Johnston
2023-07-18  5:57   ` Jordi Sanfeliu
2023-07-18  7:08   ` Jordi Sanfeliu
2023-07-18 17:44     ` Jeff Johnston
2023-07-18 18:59       ` Jordi Sanfeliu

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