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From: Jeffrey Carter <jrcarter@acm.org>
Subject: Re: [Different Topic] Endianess?
Date: Sun, 16 Sep 2001 06:22:54 GMT
Date: 2001-09-16T06:22:54+00:00	[thread overview]
Message-ID: <3BA44537.59C9F118@acm.org> (raw)
In-Reply-To: UHRo7.12938$mj6.2026261@news6-win.server.ntlworld.com

"chris.danx" wrote:
> 
> How could one detect Endianess with Ada 95?
> 
> I've seen some C snippets which exploit C arrays, but can see no obvious
> mapping to Ada 95.  The C snippet says that for a union of a number and an
> array of 4 bytes, setting the number to one will have a one in the zeroth
> byte of the array for little endian, and zero for a big endian.  How do I
> map this to Ada?  Use an unchecked conversion perhaps?
> 
> Is there another portable (simpler) way?

One way is to use System.Default_Bit_Order. Although technically not the
same as endianness, in practice the two are related.

-- 
Jeff Carter
"We call your door-opening request a silly thing."
Monty Python & the Holy Grail



  reply	other threads:[~2001-09-16  6:22 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-15 19:36 Access types and classwide programming chris.danx
2001-09-15 20:28 ` chris.danx
2001-09-15 23:42 ` [Different Topic] Endianess? chris.danx
2001-09-16  6:22   ` Jeffrey Carter [this message]
2001-09-17  7:37   ` Juanma Barranquero
2001-09-17  7:53     ` Assigning the value of a deferred constant? Juanma Barranquero
2001-09-17 14:04       ` Ted Dennison
2001-09-17 14:36         ` Juanma Barranquero
2001-09-17 17:36           ` tmoran
2001-09-18  8:16             ` Juanma Barranquero
2001-09-18 18:40         ` Richard Riehle
2001-09-19  2:07           ` Vincent Marciante
2001-09-19  7:39           ` Juanma Barranquero
2001-09-16  6:19 ` Access types and classwide programming Jeffrey Carter
2001-09-16 13:37   ` chris.danx
2001-09-16 16:49     ` Jeffrey Carter
2001-09-16 18:24       ` David C. Hoos, Sr.
2001-09-17  6:15         ` Jeffrey Carter
2001-09-17  4:57     ` tmoran
2001-09-17 14:16       ` Ted Dennison
2001-09-16  9:32 ` tmoran
2001-09-17  9:41 ` John McCabe
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