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From: "Matthew Heaney" <mheaney@on2.com>
Subject: Re: Concatenation and Characters
Date: Wed, 23 Oct 2002 09:16:40 -0400
Date: 2002-10-23T09:16:40-04:00	[thread overview]
Message-ID: <urd89q1jh1ug9f@corp.supernews.com> (raw)
In-Reply-To: 3DB60342.3020104@acm.org


"Jeffrey Carter" <jrcarter@acm.org> wrote in message
news:3DB60342.3020104@acm.org...
>
> Well, if you say this was so, I guess it probably was so. Having used
> Ada 83 for over a decade, I never encountered a compiler that wouldn't
> check that I was in the range of S (not the index subtype of String).
> Clearly the range of S could be anything from null through Positive. I'm
> surprised that Ada 83 would allow a variable to index an array of
> unknown range without a bounds check.

We were using Ada on Solaris, and it was in fact very easy to get a core
dump if you used an initialized variable to index an array.

Many Ada83 programmers made the same mistake: assuming that there's an
automatic check when indexing an array.  There was not, in Ada83.  There is
now, in Ada95.













  reply	other threads:[~2002-10-23 13:16 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-10 14:50 Concatenation and Characters Justin Birtwell
2002-10-10 14:55 ` Preben Randhol
2002-10-10 15:04   ` Justin Birtwell
2002-10-10 15:22     ` Preben Randhol
2002-10-10 15:30       ` Justin Birtwell
2002-10-10 16:05         ` Georg Bauhaus
2002-10-10 16:07         ` Preben Randhol
2002-10-10 17:45         ` Robert A Duff
2002-10-10 15:32       ` Justin Birtwell
2002-10-10 15:36         ` Preben Randhol
2002-10-10 16:44         ` Mark Biggar
2002-10-10 17:45           ` Stephen Leake
2002-10-10 21:53             ` Mark Biggar
2002-10-18 17:03           ` Programmer Dude
2002-10-18 18:13             ` Preben Randhol
2002-10-18 18:36             ` Wes Groleau
2002-10-21 15:16               ` Georg Bauhaus
2002-10-18 21:33             ` Mark Biggar
2002-10-20  2:01               ` Dmitry A.Kazakov
2002-10-21 14:13                 ` Wes Groleau
2002-10-21 15:22                   ` Dmitry A. Kazakov
2002-10-21 19:38                     ` Georg Bauhaus
2002-10-22 22:15                       ` Dmitry A.Kazakov
2002-10-22 12:05                         ` Georg Bauhaus
2002-10-22 12:19                           ` Lutz Donnerhacke
2002-10-22 14:43                             ` Georg Bauhaus
2002-10-23  8:39                           ` Dmitry A. Kazakov
2002-10-23 14:39                             ` Georg Bauhaus
2002-10-24  8:18                               ` Dmitry A. Kazakov
2002-10-21 16:50                   ` Warren W. Gay VE3WWG
2002-10-21 15:20             ` Georg Bauhaus
2002-10-21 17:51               ` Programmer Dude
2002-10-21 18:48                 ` Jim Rogers
2002-10-21 19:44                   ` tmoran
2002-10-21 20:42                   ` Programmer Dude
2002-10-22  1:42                     ` Jeffrey Carter
2002-10-22 14:37                       ` Robert A Duff
2002-10-22 18:51                         ` Jeffrey Carter
2002-10-23  7:01                         ` Pascal Obry
2002-10-22 14:45                       ` Matthew Heaney
2002-10-22 18:47                         ` Jeffrey Carter
2002-10-22 21:31                         ` Robert A Duff
     [not found]                         ` <3DB59D75.20609 <wccd6q29n3l.fsf@shell01.TheWorld.com>
2002-10-23  2:02                           ` Jeffrey Carter
2002-10-23 13:16                             ` Matthew Heaney [this message]
2002-10-23 19:11                               ` Jeffrey Carter
2002-10-23 15:24                             ` Robert A Duff
2002-10-23 19:24                               ` Jeffrey Carter
2002-10-24  0:33                                 ` Robert A Duff
2002-10-22  3:46                     ` Jim Rogers
2002-10-22 14:48                       ` Robert A Duff
2002-10-22 15:02                         ` Fraser Wilson
2002-10-22 15:38                           ` David C. Hoos
2002-10-22 15:44                             ` Fraser Wilson
2002-10-22 16:13                         ` Robert A Duff
2002-10-23  8:58                           ` Dmitry A. Kazakov
2002-10-23  9:08                             ` Lutz Donnerhacke
2002-10-23  9:34                               ` Dmitry A. Kazakov
2002-10-23 10:10                                 ` Lutz Donnerhacke
2002-10-23 17:15                                 ` Frank J. Lhota
2002-10-24  8:41                                   ` Dmitry A. Kazakov
2002-10-24  9:25                                   ` Fraser Wilson
2002-10-24 14:13                                     ` Matthew Heaney
     [not found]                         ` <un <wcc7kgazc20.fsf@shell01.TheWorld.com>
2002-10-22 16:46                           ` David C. Hoos
2002-10-22  8:51                   ` Stuart Palin
2002-10-22 18:56                     ` Programmer Dude
2002-10-21 19:42                 ` Georg Bauhaus
  -- strict thread matches above, loose matches on Subject: below --
2002-10-11  5:04 Grein, Christoph
2002-10-11 10:30 ` Preben Randhol
2002-10-23  5:15 Grein, Christoph
2002-10-23 13:19 ` Matthew Heaney
2002-10-24  5:53 Grein, Christoph
2002-10-24 14:04 ` Matthew Heaney
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