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Date:	Wed, 1 Aug 2001 10:40:42 +0200
From:	Corinna Vinschen <cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: BUG - 1.3.n accept fails if NULL sockaddr * argument and other related stuff.
Message-ID:	<20010801104042.F9574@cygbert.vinschen.de>
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References:	<20010801092435 DOT B9574 AT cygbert DOT vinschen DOT de> <000c01c11a60$58576670$21c9ca95 AT mow DOT siemens DOT ru>
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In-Reply-To:	<000c01c11a60$58576670$21c9ca95@mow.siemens.ru>; from Andrej.Borsenkow@mow.siemens.ru on Wed, Aug 01, 2001 at 12:02:44PM +0400

On Wed, Aug 01, 2001 at 12:02:44PM +0400, Borsenkow Andrej wrote:
> 
> > >
> > > 1. socket.h does not include a type "socklen_t" which is
> > apparently defined
> > > on some Unix platforms.
> > >
> 
> So what? You yourself say "on some Unix". I have seen the actual type in
> question (used in prototypes) being int, size_t, unsigned long. May be
> something else. Defining it as socklen_t adds virtually nothing to
> readablility or portability (portable programs should still check actual
> type to avoid prototype mismatch errors).
> 
> Or do you say that socklen_t is defined in some standard? This is different
> matter.

Linux defines it as `int' as it's enforced by Linus. See the amusing
`NOTE' section in `man 2 accept':

      Quoting Linus Torvalds: _Any_ sane library _must_
      have  "socklen_t"  be the same size as int.  Anything else
      breaks any BSD socket layer stuff.

POSIX defines it as `int' which is  correct. SUSv2 defines it as
"an unsigned opaque integral type of length of at least 32 bits."

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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