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Date: Thu, 30 Apr 2009 18:36:48 -0500
From: "Rick C. Petty" <rick-freebsd2008@kiwi-computer.com>
To: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-hackers@FreeBSD.org
Subject: Re: C99: Suggestions for style(9)
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On Thu, Apr 30, 2009 at 09:02:26AM -0600, M. Warner Losh wrote:
> 
> This is the biggest one, and I think it may be too soon.  Also, we
> need to be careful on the initialization side of things because we
> currently have a lot of code that looks like:
> 
> 
> 	struct foo *fp;
> 	struct bar *bp;
> 
> 	fp = get_foo();
> 	if (!fp) return;
> 	bp = fp->bp;
> 
> this can't easily be translated to the more natural:
> 
> 	struct foo *fp = get_foo();
> 	struct bar *bp = fp->bp;
> 
> since really you'd want to write:
> 
> 	struct foo *fp = get_foo();
> 	if (!fp) return;
> 	struct bar *bp = fp->bp;
> 
> which isn't legal in 'C'.

I thought we were talking about C99, in which case this is perfectly legal.
I certainly use it all the time in my C99 code.

And I thought this was the point of this discussion, to be able to declare
variables when you first use them.

-- Rick C. Petty