From: Juanma Barranquero <lektu@terra.es>
Subject: Re: [Different Topic] Endianess?
Date: Mon, 17 Sep 2001 09:37:43 +0200
Date: 2001-09-17T09:37:43+02:00 [thread overview]
Message-ID: <lq9bqtgt5kj60avgvsb9nlmla9hpi2q4ka@4ax.com> (raw)
In-Reply-To: UHRo7.12938$mj6.2026261@news6-win.server.ntlworld.com
On Sun, 16 Sep 2001 00:42:36 +0100, "chris.danx"
<chris.danx@ntlworld.com> wrote:
>How could one detect Endianess with Ada 95?
<snip>
> How do I map this to Ada? Use an unchecked conversion perhaps?
More or less. I've been doing:
type Byte_Order is (Little_Endian, Big_Endian);
Default_Byte_Order : Byte_Order;
type Word is mod 2 ** 32;
subtype Chr4 is String (1..4);
function UC is new Unchecked_Conversion(Word, Chr4);
Test_Word : constant Word := 16#33323130#;
Test_Chr4 : constant Chr4 := "0123";
-- ...
if UC(Test_Word) = Test_Chr4 then
Default_Byte_Order := Little_Endian;
else
Default_Byte_Order := Big_Endian;
end if;
/L/e/k/t/u
next prev parent reply other threads:[~2001-09-17 7:37 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
2001-09-17 7:37 ` Juanma Barranquero [this message]
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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