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Date: Mon, 17 Sep 2018 17:53:34 -0700 (PDT)
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Subject: Re: Interface To C Struct That Includes An Array
From: Roger <rogermcm2@gmail.com>
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Xref: reader02.eternal-september.org comp.lang.ada:54354
Date: 2018-09-17T17:53:34-07:00
List-Id: <comp.lang.ada>

On Tuesday, September 18, 2018 at 2:29:20 AM UTC+10, Jeffrey R. Carter wrote:
> On 09/17/2018 02:01 PM, rogermc@iinet.net.au wrote:
> > 
> > (gdb) print Assimp_Path
> > $8 = (length => 16, data => (0 => 11, 0, 0, 0, 112, 104, 111, 101, 110, 105, 120, 46, 112, 99, 120, 0 <repeats 1009 times>)
> 
> I have no idea what I'm talking about, so this may be totally useless, but the 
> 11 0 0 0 at the beginning looks like it might be some sort of encoding marker. 
> The first of the 1009 (or is it 1010?) zeros at the end is in position 16 (index 
> 15), so I presume it's the C string terminator.
> 
> -- 
> Jeff Carter
> "Oh Lord, bless this thy hand grenade, that with it thou
> mayst blow thine enemies to tiny bits, in thy mercy."
> Monty Python and the Holy Grail
> 24

As I've explained to Lucretia, the 11 turns out to be an undisplayable ASCII character (either VT or DC1)
which is displayed as a rectangular box containing four small zeros.
So 11 0 0 0 is being interpreted as four chars rather than the expected size_t integer, I think.