From: Adam Beneschan <adam@irvine.com>
Subject: Re: C's sizeof
Date: Thu, 12 Apr 2012 09:43:38 -0700 (PDT)
Date: 2012-04-12T09:43:38-07:00 [thread overview]
Message-ID: <10939468.224.1334249018393.JavaMail.geo-discussion-forums@yngq4> (raw)
In-Reply-To: <m2sjg8gbky.fsf@pushface.org>
On Thursday, April 12, 2012 9:27:09 AM UTC-7, Simon Wright wrote:
> The (draft) ARM Annex B.3[1] says at para 73 - Note 7 -
>
> "To obtain the effect of C's sizeof(item_type), where Item_Type is
> the corresponding Ada type, evaluate the expression:
> size_t(Item_Type'Size/CHAR_BIT)."
>
> Should that not be
>
> size_t((Item_Type'Size + CHAR_BIT - 1)/CHAR_BIT)
>
> ?
>
> [1] http://www.ada-auth.org/standards/12rm/html/RM-B-3.html
Does C even support types whose sizes aren't a multiple of a byte? If it doesn't, then since B.3 is talking about the Ada type "corresponding" to a C type, the question is probably moot.
-- Adam
next prev parent reply other threads:[~2012-04-12 16:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-12 16:27 C's sizeof Simon Wright
2012-04-12 16:43 ` Adam Beneschan [this message]
2012-04-12 18:42 ` Simon Wright
2012-04-12 18:58 ` Adam Beneschan
2012-04-12 20:29 ` Simon Wright
2012-04-12 20:59 ` Jeffrey Carter
2012-04-12 22:24 ` Robert A Duff
2012-04-13 5:57 ` Simon Wright
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