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,LOTS_OF_MONEY
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,bc1361a952ec75ca
X-Google-Attributes: gid103376,public
X-Google-Thread: 109fba,582dff0b3f065a52
X-Google-Attributes: gid109fba,public
X-Google-Thread: 1014db,582dff0b3f065a52
X-Google-Attributes: gid1014db,public
X-Google-ArrivalTime: 2001-08-07 04:06:53 PST
Path: 
 archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!cpk-news-hub1.bbnplanet.com!chcgil2-snf1.gtei.net!news.gtei.net!news.binc.net!kilgallen
From: Kilgallen@eisner.decus.org.nospam (Larry Kilgallen)
Newsgroups: comp.lang.ada,comp.lang.c,comp.lang.c++
Subject: Re: How Ada could have prevented the Red Code distributed denial of
  service attack.
Date: 7 Aug 2001 07:06:49 -0500
Organization: Berbee Information Networks Corporation
Message-ID: <4pYjBGw2E9xb@eisner.encompasserve.org>
References: <bebbba07.0107292308.d1192fc@posting.google.com>
 <3b690498.1111845720@news.worldonline.nl> <9kbu15$9bj@augusta.math.psu.edu>
 <3b6a453c.1193942215@news.worldonline.nl> <9keejl$fhj@augusta.math.psu.edu>
 <slrn9mlqp3.56q.randhol+abuse@kiuk0156.chembio.ntnu.no>
 <tmlvjb6uoskvf6@news.supernews.com>
 <slrn9mnbld.8ak.randhol+abuse@kiuk0156.chembio.ntnu.no>
 <3c30da40.0108060848.796d9bd9@posting.google.com>
 <slrn9mtjr3.bbs.randhol+abuse@kiuk0156.chembio.ntnu.no>
 <3B6F3216.F410BBFF@home.com> <3B6F3FAE.B9B9FOrganization: LJK Software
NNTP-Posting-Host: eisner.encompasserve.org
X-Trace: grandcanyon.binc.net 997181954 2947 192.135.80.34 (7 Aug 2001
 10:59:14 GMT)
X-Complaints-To: abuse@binc.net
NNTP-Posting-Date: Tue, 7 Aug 2001 10:59:14 +0000 (UTC)
Xref: archiver1.google.com comp.lang.ada:11480 comp.lang.c:72654
 comp.lang.c++:80607
Date: 2001-08-07T07:06:49-05:00
List-Id: <comp.lang.ada>

In article <MJMb7.26900$B37.545436@news1.rdc1.bc.home.com>, kaz@ashi.footprints.net (Kaz Kylheku) writes:
> In article <3B6F5BB2.A879B933@worldnet.att.net>, James Rogers wrote:
>>   generic
>>   
>>   Max_Size : Positive;
>>   type Items is private;
>>   
>>   package Inventory is
>>   
>>      subtype Buf_Index is Positive range 1..Max_Size;
>>      type Parts_Buffer is array(Buf_Index) of Items;
> 
> By the way, is there a reason why you didn't just use a modulo
> type as the array index, one that will automatically wrap around
> 1..Max_Size-1?

One excellent reason might be that you don't want to wrap around.

I cannot imagine many circumstances in which one whould want to
silently wrap an index into a buffer.