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Date: Wed, 09 Apr 2003 08:38:07 -0400
From: Hyman Rosen <hyrosen@mail.com>
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Subject: Re: [Spark] Arrays of Strings
References: <slrnb95ehu.ob.lutz@taranis.iks-jena.de>
 <pan.2003.04.08.18.08.55.205947@T-Online.de>
 <slrnb97pl4.or.lutz@taranis.iks-jena.de>
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Date: 2003-04-09T08:38:07-04:00
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Lutz Donnerhacke wrote:
>    pragma Suppress(All_Checks);
>    subtype Buffer_Index is Positive range 1 .. 10;
>    subtype Buffer is String(Buffer_Index);
>    outbuf : Buffer;
>    outlast : Natural;
>       outbuf := Buffer'(
> 	1 => 'E', 2 => 'r', 3 => 'r', 4 => 'o', 5 => 'r',
> 	others => ' ');
>       outlast := 5;
>    end if;
>    
>    outlast := outlast + 1;
>    outbuf(outlast) := ASCII.LF;

My God, but this code is cringe-inducing! Is there really no way
to fill the buffer except with this character indexing stuff?
Not only that, but all checks are suppressed, and a type Natural
variable is being used to index and write into a fixed size buffer.
You are just begging for a buffer overflow error here.

This is what the reliable Spark subset of Ada gives you? I always
figure people are fooling themselves when they claim their languages
give them reliability, but I expected a little more from Ada!