From: lutz@iks-jena.de (Lutz Donnerhacke)
Subject: Re: Ada.Streams.Read Length Paramenter is not IN?
Date: Tue, 7 Aug 2001 20:21:25 +0000 (UTC)
Date: 2001-08-07T20:21:25+00:00 [thread overview]
Message-ID: <slrn9n0je5.gbg.lutz@belenus.iks-jena.de> (raw)
In-Reply-To: cCXb7.39349$Kd7.24285864@news1.rdc1.sfba.home.com
* tmoran@acm.org wrote:
>> procedure Read(
>> Stream : in out Filedescriptor_Stream_Type;
>> Item : out Stream_Element_Array;
>> Last : out Stream_Element_Offset) is
>> begin
>> Item := Read (Stream);
>> Last := Item'Last;
>> end Read;
>
>his is unlikely to work.
I got a hard to find CONTRAINT_ERROR. But debugging it I learned the
direction of discriminats of unconstraint out parameters.
>dynamic. That's why Last is there - so you can see the length of the
>actual useful data portion of Item.
Very sensefull indeed. Thanx to all.
prev parent reply other threads:[~2001-08-07 20:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-07 9:02 Ada.Streams.Read Length Paramenter is not IN? Lutz Donnerhacke
2001-08-07 18:39 ` Ted Dennison
2001-08-07 20:18 ` Lutz Donnerhacke
2001-08-07 19:48 ` tmoran
2001-08-07 20:21 ` Lutz Donnerhacke [this message]
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