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Date: Fri, 7 Mar 2003 12:38:02 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Finishing large file support?
Message-ID: <20030307113802.GA20194@cygbert.vinschen.de>
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On Fri, Mar 07, 2003 at 10:43:43AM +0100, Corinna Vinschen wrote:
> On Thu, Mar 06, 2003 at 03:47:59PM -0600, Brian Ford wrote:
> > >From searching the archives more, it looks to me like the major hold up
> > for this was newlib.  But, it appears to me that newlib now has 64 bit
> > stdio support.  How is this not sufficient?
> 
> It will require some work, that's it.  The goal was to switch to 64bit
> file access w/o having two sets of functions, e.g. fopen(), fopen64().
> Instead, Cygwin should switch to 64bit file access at one point while
> still being backward compatible.  Old apps using the 32bit functions
> should still run while fresh compiled apps are using 64bit access
> automatically.  This could be done by defining the stdio64 functions
> as default functions for new apps - an application calling fopen() will
> transparently call fopen64().
> 
> However, there's a problem here with fork().  If a 32bit application
                                       ^^^^^^
				       exec, that is.

Corinna

> calls a 64bit app or vice versa, the stdio structure isn't quite the
> same.  Well... something to investigate.
> 
> If you really want to help, let's discuss how to proceed.  I would be
> very glad to have somebody looking into this issue as well.
> 
> Corinna
> 
> -- 
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Developer                                mailto:cygwin AT cygwin DOT com
> Red Hat, Inc.
> 
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-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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