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From: Martin Krischik <krischik@users.sourceforge.net>
Subject: Re: Ada Pointer Size Problem
Date: Thu, 21 Oct 2004 11:54:38 +0200
Date: 2004-10-21T11:54:38+02:00	[thread overview]
Message-ID: <3606460.DgU2jkzDGy@linux1.krischik.com> (raw)
In-Reply-To: gHEdd.2724$%h1.850@newsread3.news.pas.earthlink.net

Jeffrey Carter wrote:

> Dave Thompson wrote:
> 
>> On Mon, 11 Oct 2004 05:18:58 GMT, Jeffrey Carter <spam@spam.com>
>> wrote:
>>> 
>>> In C/++, a pointer is an int is an address. In Ada, they're 3
>>> different things.
>> 
>> But (unlike its predecessor B) a C pointer/address is not just an
>> int.
> 
> I meant that a pointer is an int because you can always convert/assign a
> pointer to an int.

Not on a 64 bit CPU. Most 64bit compiler have not expanded int to 64 bit (as
they should have done). Only "intptr_t" and "uintptr_t" are large enough to
store a pointer.

If you use MS-C then activate /W64 and see what happens. 

With Regards

Martin

-- 
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com




  reply	other threads:[~2004-10-21  9:54 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-10 19:50 Ada Pointer Size Problem skidmarks
2004-10-11  1:38 ` Stephen Leake
2004-10-12 18:44   ` skidmarks
2004-10-13  1:23     ` Jeffrey Carter
2004-10-13  8:07     ` Martin Krischik
2004-10-13 16:27     ` Jean-Pierre Rosen
2004-10-11  5:18 ` Jeffrey Carter
2004-10-21  1:16   ` Dave Thompson
2004-10-21  1:56     ` Jeffrey Carter
2004-10-21  9:54       ` Martin Krischik [this message]
2004-10-22  1:09         ` Jeffrey Carter
2004-10-22  7:48           ` Martin Krischik
2004-10-22  9:41             ` Adrien Plisson
2004-10-22 16:50               ` Warren W. Gay VE3WWG
2004-10-24 16:05               ` Martin Krischik
2004-10-23  1:35             ` Jeffrey Carter
2004-10-24 15:52               ` Martin Krischik
2004-10-22  5:41       ` Simon Wright
2004-10-22 18:05       ` Mark Lorenzen
2004-11-01  8:14       ` Dave Thompson
2004-10-11  8:45 ` Martin Krischik
     [not found]   ` <1c2f5137.0410130505.57e03c@posting.google.com>
2004-10-13 13:37     ` Dmitry A. Kazakov
2004-10-14  3:46     ` Steve
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