linux-kernel - Re: can someone explain "inline" once and for all?

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Message-ID: <jefya7jfxi.fsf@sykes.suse.de>
Date:	Fri, 19 Jan 2007 14:37:29 +0100
From:	Andreas Schwab <schwab@...e.de>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
Cc:	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: can someone explain "inline" once and for all?

"Robert P. J. Day" <rpjday@...dspring.com> writes:

>   first, there appear to be three possible ways of specifying an
> inline routine in the kernel source:
>
>   $ grep -r "static inline " .
>   $ grep -r "static __inline__ " .
>   $ grep -r "static __inline " .
>
> i vaguely recall that this has something to do with a distinction
> between C99 inline and gcc inline

No, it doesn't (there is no C99 compatible inline in gcc before 4.3).  It
has to do with the fact that inline is not a keyword in C89, so you need
to use a different spelling when you want to stay compatible with strict
C89.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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