From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [OT] fputc vs putc Re: horrible disk thorughput on itanium
Date: 9 Dec 2001 01:27:51 -0800 [thread overview]
Message-ID: <9uvaqn$u4s$1@cesium.transmeta.com> (raw)
In-Reply-To: <p73n10v6spi.fsf@amdsim2.suse.de> <20011207.130316.39156883.davem@redhat.com> <20011208201907.A937@zero> <m1d71pw51p.fsf@frodo.biederman.org>
Followup to: <m1d71pw51p.fsf@frodo.biederman.org>
By author: ebiederm@xmission.com (Eric W. Biederman)
In newsgroup: linux.dev.kernel
>
> fputc is a function putc is a macro because the overhead of a function call
> in writing a character has always been a problem...
>
putc() is frequently defined as
#define putc(__C) fputc((__C), stdout)
... or some equivalent; I think the best way to say it's that it's a
shorthand.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
next prev parent reply other threads:[~2001-12-09 9:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <p73r8q86lpn.fsf@amdsim2.suse.de.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.33.0112070710120.747-100000@mikeg.weiden.de.suse.lists.linux.kernel>
[not found] ` <9upmqm$7p4$1@penguin.transmeta.com.suse.lists.linux.kernel>
2001-12-07 13:54 ` horrible disk thorughput on itanium Andi Kleen
2001-12-07 14:20 ` Padraig Brady
2001-12-07 16:14 ` Richard Gooch
2001-12-07 17:18 ` Robert Love
2001-12-07 17:40 ` Richard Gooch
2001-12-07 17:48 ` Robert Love
2001-12-07 17:45 ` Linus Torvalds
2001-12-07 17:58 ` Andi Kleen
2001-12-07 18:14 ` Michael Poole
2001-12-07 18:35 ` Padraig Brady
2001-12-07 21:22 ` Michael Poole
2001-12-07 21:37 ` Padraig Brady
2001-12-07 22:26 ` Michael Poole
2001-12-07 18:15 ` Linus Torvalds
2001-12-07 18:41 ` Padraig Brady
2001-12-07 18:33 ` Padraig Brady
2001-12-07 20:44 ` Greg Hennessy
2001-12-07 21:37 ` Marco Colombo
2001-12-07 20:42 ` David S. Miller
[not found] ` <3C112DE4.60206@antefacto.com>
[not found] ` <20011207.130316.39156883.davem@redhat.com>
2001-12-09 1:19 ` [OT] fputc vs putc " Tom Vier
2001-12-09 1:33 ` Eric W. Biederman
2001-12-09 9:27 ` H. Peter Anvin [this message]
2001-12-09 19:14 ` Tom Vier
2001-12-09 22:15 ` H. Peter Anvin
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