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List:       freebsd-hackers
Subject:    Re: gethostbyname_r
From:       Kris Kennaway <kris () obsecurity ! org>
Date:       2003-06-30 21:39:16
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On Mon, Jun 30, 2003 at 04:43:27PM +0200, Stijn Hoop wrote:
> Hi,
> 
> I was wondering if anybody was working on an implementation of a reentrant
> gethostbyname_r function, mostly because it looks like mozilla/firebird will
> finally gain support for an async DNS thread in the near future. However,
> it is claimed in Mozilla's bug reporting system that FreeBSD 5.x doesn't
> have support for this. See
> 
> http://bugzilla.mozilla.org/show_bug.cgi?id=70213#c36
> 
> A quick grep -r in /usr/src shows only hits in contrib, so it's probably
> true that it's not implemented.

There was a bogus non-reentrant version half-implemented in libc in
both 4.x and 5.x, which I recently removed in 5.x.  I need to remove
it on 4.x as well.  General consensus seems to be that implementing it
properly is Hard.

Kris

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