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Re: controlling stdio buffering

From: Andreas Schwab
Subject: Re: controlling stdio buffering
Date: Tue, 21 Mar 2006 23:40:35 +0100
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux)

Pádraig Brady <address@hidden> writes:

> p. p.s. Note glibc changes the buffering automatically for stdout only like:
>     if (isatty(fileno(stdout)) setlinebuf(stdout)
> Also it always leaves stdin buffered and stdout unbuffered.

> p.p.s. setvbuf(stdin, (char*) NULL, _IOFBF, 12345) is not honoured,
> which is fair enough as buf==NULL.
> However 0 is returned indicating it was honoured?

What do you mean with "not honoured"?  The size may be ignored when buf is


Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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