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Date:      Thu, 25 Oct 2007 15:17:32 -0400 (EDT)
From:      Daniel Eischen <deischen@freebsd.org>
To:        d@delphij.net
Cc:        Andrey Chernov <ache@nagual.pp.ru>, Scott Long <scottl@samsco.org>, src-committers@freebsd.org, cvs-all@freebsd.org, cvs-src@freebsd.org
Subject:   Re: cvs commit: src/lib/libc/locale utf8.c
Message-ID:  <Pine.GSO.4.64.0710251516220.29092@sea.ntplx.net>
In-Reply-To: <4720E9E1.7000900@delphij.net>
References:  <200710150951.l9F9pUm7026506@repoman.freebsd.org> <4720B30F.4040903@samsco.org> <20071025151707.GA11398@nagual.pp.ru> <4720C7D6.9090004@delphij.net> <20071025190019.GA16187@nagual.pp.ru> <4720E9E1.7000900@delphij.net>

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On Thu, 25 Oct 2007, LI Xin wrote:

> Andrey Chernov wrote:
>> On Thu, Oct 25, 2007 at 09:44:06AM -0700, LI Xin wrote:
>>> Andrey Chernov wrote:
>>>> On Thu, Oct 25, 2007 at 09:15:27AM -0600, Scott Long wrote:
>>>>> Andrey A. Chernov wrote:
>>>>>> ache        2007-10-15 09:51:30 UTC
>>>>>>   FreeBSD src repository
>>>>>>   Modified files:
>>>>>>     lib/libc/locale      utf8.c   Log:
>>>>>>   Add comment explaining __mb_sb_limit trick here.
>>>>>>     Revision  Changes    Path
>>>>>>   1.16      +5 -0      src/lib/libc/locale/utf8.c
>>>>> When is the ABI damage from this going to be fixed?
>>>> There is no ABI damage in -current.
>>> Do we really need to expose __mb_sb_limit outside libc?
>>
>> Yes, it is used in inlines compiled each time ctype.h included.
>
> Yes, I noticed that.  So the problem would be, if a program has included
> ctype.h (_ctype.h) then it has the potential to require the symbol,
> which does not exist in previous releases.
>
> Having __inline functions sounds reasonable to me, though, because these
> functions are really small and may be called frequently.  Maybe we can
> think out a way of avoiding the addition?  It sounds like that
> potentially we will have trouble running binaries compiled on 6.3-R on
> 6.2-R systems, while this is acceptable IMO it is not very interesting
> for user community :-)

Why not simply avoid the error check for inlines.  Solaris
doesn't seem to add a check, it just does the conversion.
The non-inlined versions do error checking.

-- 
DE



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