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RE: [Xen-devel] sizeof(long) different under windows x64 and linuxx64

To: "Samuel Thibault" <samuel.thibault@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] sizeof(long) different under windows x64 and linuxx64
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Wed, 23 Jan 2008 12:38:37 +1100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Daniel Stodden <dns@xxxxxxxxxxxx>
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Thread-topic: [Xen-devel] sizeof(long) different under windows x64 and linuxx64
> James Harper, le Wed 23 Jan 2008 11:55:50 +1100, a écrit :
> > > >
> > > > Any suggestions as to what the type should be called?
> > >
> > > Just the standard name: uintptr_t
> > >
> >
> > Can you qualify 'standard' in that context (eg Linux, gcc, POSIX, etc).
> 
> C99

That'll do nicely :)

> > I don't ever remember hearing of that field before. Is it a type defined
> > as 'an integer with the same width as a pointer'?
> 
> « The following type designates an unsigned integer type with the property
> that any valid pointer to void can be converted to this type, then
> converted back to pointer to void, and the result will compare equal to
> the original pointer: uintptr_t »

Perfect. Thanks.

James


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