From: Matthew Heaney <matthew_heaney@acm.org>
Subject: Re: Alternate to Unchecked_Conversion - Portable?
Date: 1999/02/21
Date: 1999-02-21T00:00:00+00:00 [thread overview]
Message-ID: <m3d833e5vr.fsf@mheaney.ni.net> (raw)
In-Reply-To: 36d05e39.0@news.pacifier.com
"Steve Doiel" <nospam_steved@pacifier.com> writes:
> I discovered a technique for performing a similar function to
> Unchecked_Conversion. Locating two data structures at the same address by
> defining the first normally and then using an address clause to locate the
> second at the same address as the first (as shown in the following sample):
<example snipped>
> My question is: is this portable?
>
> I expect that record layouts will be dependent on different endian machines,
> and I know that this technique is inherently unsafe, but it makes things
> very simple.
Don't use address overlays unless you have a compelling reason to do
so. Use Unchecked_Conversion, which is also "very simple."
next prev parent reply other threads:[~1999-02-21 0:00 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-02-21 0:00 Alternate to Unchecked_Conversion - Portable? Steve Doiel
1999-02-21 0:00 ` Steve Quinlan
1999-02-22 0:00 ` robert_dewar
1999-02-21 0:00 ` Matthew Heaney [this message]
1999-02-22 0:00 ` robert_dewar
1999-02-22 0:00 ` Samuel Mize
1999-02-22 0:00 ` Christopher Green
1999-02-23 0:00 ` Matthew Heaney
1999-02-23 0:00 ` Samuel Mize
1999-02-24 0:00 ` robert_dewar
1999-02-25 0:00 ` Nick Roberts
1999-02-25 0:00 ` robert_dewar
1999-02-26 0:00 ` Nick Roberts
1999-02-26 0:00 ` Matthew Heaney
1999-02-27 0:00 ` Nick Roberts
1999-02-24 0:00 ` robert_dewar
1999-02-23 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-24 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-26 0:00 ` Dale Stanbrough
1999-02-26 0:00 ` Robert A Duff
1999-02-23 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-24 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-25 0:00 ` dennison
1999-02-25 0:00 ` Christopher Green
1999-02-26 0:00 ` robert_dewar
1999-02-26 0:00 ` Christopher Green
1999-03-01 0:00 ` Nick Roberts
1999-03-01 0:00 ` dewar
1999-03-01 0:00 ` Nick Roberts
1999-02-26 0:00 ` Tom Moran
1999-02-26 0:00 ` robert_dewar
1999-02-26 0:00 ` Robert A Duff
1999-02-28 0:00 ` robert_dewar
1999-02-22 0:00 ` Tom Moran
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