From: Junio C Hamano <junkio@cox.net>
Date: Fri, 29 Sep 2006 06:11:06 GMT
Subject: Re: [PATCH 1/3] diff --stat: allow custom diffstat output width.
Message-ID: <7vhcyrp5hh.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <Pine.LNX.4.64.0609282252430.3952@g5.osdl.org>

Linus Torvalds <torvalds@osdl.org> writes:

> On Thu, 28 Sep 2006, Junio C Hamano wrote:
>> 
>> This is simply too clever; -pedantic does not like assignment of
>> arg to end (constness -- and strtoul takes pointer to non-const
>> char *, so making the type of end const char * is not an answer
>> either).
>
> The _code_ really is right. The problem is "strtoul()" interfaces and a 
> C typing oddity.

Yes, the code is right (not only because you wrote it ;-) and
not just right but it is crystal clear to humans what is going
on and why the final "if (*end)" is all that is needed without
any "return 0" in the middle.

> At that point, the cast is probably simpler,...

... which I ended up doing anyway.

Thanks.