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From: Josiah Worcester <josiahw@gmail.com>
To: musl@lists.openwall.com
Subject: Re: Why stdout_write checks for terminal?
Date: Tue, 21 Oct 2014 09:59:58 -0500	[thread overview]
Message-ID: <CAMAJcuCsqnQ0g3ONwswRnYaZTQDgd2U_d8Hs11DAfm-JS_qi7g@mail.gmail.com> (raw)
In-Reply-To: <20141021145640.GA5781@zx-spectrum.accesssoftek.com>

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On Tue, Oct 21, 2014 at 9:56 AM, Sergey Dmitrouk <sdmitrouk@accesssoftek.com
> wrote:

> Hi,
>
> the code in src/stdio/__stdout_write.c checks whether output is going to
> a terminal and if it's not the case disables line buffering.  I'm
> wondering what's the reason behind this?  This causes some programs to
> produce different output depending whether stdout is terminal or not,
> not a bit deal, but I don't see much profit in disabling buffering
> either.
>
> Regards,
> Sergey
>

From the spec <
http://pubs.opengroup.org/onlinepubs/009695399/functions/stdin.html>:  "the
standard input and standard output streams are fully buffered if and only
if the stream can be determined not to refer to an interactive device."

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  reply	other threads:[~2014-10-21 14:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-21 14:56 Sergey Dmitrouk
2014-10-21 14:59 ` Josiah Worcester [this message]
2014-10-21 15:17 ` Rich Felker
2014-10-21 15:40   ` Sergey Dmitrouk

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