From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,c8360a2ce0e343cc X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!newshub.sdsu.edu!elnk-nf2-pas!newsfeed.earthlink.net!stamper.news.pas.earthlink.net!newsread1.news.pas.earthlink.net.POSTED!a6202946!not-for-mail From: Jeffrey Carter Organization: jrcarter commercial-at acm [period | full stop] org User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: address/access/pointer confusion References: <1c2f5137.0410200556.70a1518c@posting.google.com> <35f054ea.0410201051.78cc61a0@posting.google.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Message-ID: Date: Fri, 22 Oct 2004 01:14:11 GMT NNTP-Posting-Host: 63.184.9.49 X-Complaints-To: abuse@earthlink.net X-Trace: newsread1.news.pas.earthlink.net 1098407651 63.184.9.49 (Thu, 21 Oct 2004 18:14:11 PDT) NNTP-Posting-Date: Thu, 21 Oct 2004 18:14:11 PDT Xref: g2news1.google.com comp.lang.ada:5610 Date: 2004-10-22T01:14:11+00:00 List-Id: Jacob Sparre Andersen wrote: > Not quite. I think (Ada) System.Address specifically corresponds to a > (C) void pointer, since System.Address doesn't have a specific type > associated with it, and thus doesn't have the "increment by the size > of the object pointed to" function that non-void pointers have. The Ada equivalent of a C pointer is an access type with convention C. For void pointers, I typically use type Void_Ptr is access all Integer; -- Target doesn't matter pragma Convention (C, Void_Pointer); -- Jeff Carter "You cheesy lot of second-hand electric donkey-bottom biters." Monty Python & the Holy Grail 14