linux-kernel - Re: [PATCH] linux/string.h: Introduce streq macro.

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Message-ID: <BANLkTikQiA9iwSs1qX7-76GKUN23GV=8Uw@mail.gmail.com>
Date:	Wed, 27 Apr 2011 21:51:48 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Thiago Farina <tfransosi@...il.com>,
	linux-kernel@...r.kernel.org,
	Alexey Dobriyan <adobriyan@...il.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ingo Molnar <mingo@...e.hu>,
	"David S. Miller" <davem@...emloft.net>,
	Al Viro <viro@...iv.linux.org.uk>, "Ted Ts'o" <tytso@....edu>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH] linux/string.h: Introduce streq macro.

On Wed, Apr 27, 2011 at 9:33 PM, H. Peter Anvin <hpa@...or.com> wrote:
> Because !strcmp() is idiomatic C.
>
> This is the same kind of stupidity as
>
> #define BEGIN {
> #define END   }

No it's not.

It's the same kind of API extension kstrdup(), for example, is.
Whether or not we should it do it is a separate matter and I think the
only reasonable argument for and against is whether it (a) reduces the
number of bugs, (b) improves code readability significantly, or (c)
generates better code.

                        Pekka
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