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Date:      Sat, 20 Jun 1998 15:21:14 -0500 (CDT)
From:      Joel Ray Holveck <joelh@gnu.org>
To:        tlambert@primenet.com
Cc:        tlambert@primenet.com, fenner@parc.xerox.com, peter@netplex.com.au, current@FreeBSD.ORG
Subject:   Re: Bogus errno twiddling by lstat...
Message-ID:  <199806202021.PAA17948@detlev.UUCP>
In-Reply-To: <199806202002.NAA17957@usr02.primenet.com> (message from Terry Lambert on Sat, 20 Jun 1998 20:02:49 %2B0000 (GMT))
References:   <199806202002.NAA17957@usr02.primenet.com>

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>> If, however, you don't like our malloc's current implementation, and
>> think that errno should be saved and restored across a successful
>> call, and that the lost cycles would be worthwhile, then diffs would
>> be perfectly welcome, I'm sure.
> Since the malloc.conf file is unnecessarily being looked for in the
> printf case (since ld.so already caused it to be looked for, and didn't
> find it), I think the redundant call to llok for it is certainly worth
> removing.
> I would also not save and restore state, except in anticipation of
> an error.  If the cached value were being used (as it should be),
> then the malloc.conf reference shouldn't have been tried (and not being
> tried, the errno would not be in danger of being blown).

Okay.  I agree, cachine the call is helpful.  So are you going to hack
it up?

Best,
joelh

-- 
Joel Ray Holveck - joelh@gnu.org - http://www.wp.com/piquan
   Fourth law of programming:
   Anything that can go wrong wi
sendmail: segmentation violation - core dumped

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