From: Wes Groleau <groleau@freeshell.org>
Subject: Re: Mixed languages and frustration.
Date: Tue, 14 Oct 2003 23:32:12 -0500
Date: 2003-10-14T23:32:12-05:00 [thread overview]
Message-ID: <MdmdnWSSOsYsUBGiU-KYuQ@gbronline.com> (raw)
In-Reply-To: <RJ2jb.1440$7a4.792@newsread4.news.pas.earthlink.net>
Jeffrey Carter wrote:
> Wes Groleau wrote:
>> If XYZ is an Ada access type, then
>>
>> the C pointer to the heap object is XYZ.all'Address
>
> This will usually work, but is not guaranteed to. System.Address is a
> private type because there are systems where an address doesn't map
> neatly to an integer, as a C pointer must.
However, contrary to a popular belief among
Ada programmers, unchecked conversion from
access to address will usually NOT work on
most systems.
--
Wes Groleau
"Grant me the serenity to accept those I cannot change;
the courage to change the one I can;
and the wisdom to know it's me."
-- unknown
next prev parent reply other threads:[~2003-10-15 4:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-14 20:24 Mixed languages and frustration Freejack
2003-10-14 20:48 ` Robert I. Eachus
2003-10-14 20:53 ` sk
2003-10-14 21:53 ` Wes Groleau
2003-10-15 0:01 ` Freejack
2003-10-15 2:58 ` Jeffrey Carter
2003-10-15 4:32 ` Wes Groleau [this message]
2003-10-15 4:24 ` Steve
2003-10-15 15:50 ` Stephen Leake
2003-10-16 6:40 ` Ole-Hjalmar Kristensen
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