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,FREEMAIL_FROM,
	WEIRD_PORT autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail
From: Victor Porton <porton@narod.ru>
Newsgroups: comp.lang.ada
Subject: Re: Help me to find an error
Date: Mon, 04 Aug 2014 00:36:24 +0300
Organization: Aioe.org NNTP Server
Message-ID: <lrma0j$ron$1@speranza.aioe.org>
References: <lrjigo$qt5$1@speranza.aioe.org>
NNTP-Posting-Host: AnnUDmZwVERVUXyHDyOl5A.user.speranza.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7Bit
X-Complaints-To: abuse@aioe.org
User-Agent: KNode/4.12.4
X-Notice: Filtered by postfilter v. 0.8.2
Xref: news.eternal-september.org comp.lang.ada:21427
Date: 2014-08-04T00:36:24+03:00
List-Id: <comp.lang.ada>

Victor Porton wrote:

> I am writing open source Ada2012 bindings for Raptor library (it is about
> semantic Web).
> 
> My AUnit test case shows that there is an error.
> 
> The error is that the `Write(Str, Out_String);`
> (src/test/iostreams_test.adb:32) operator does not appends data to
> Out_String object. The bounded string inside Out_String object remains
> empty and this leads to an error.
> 
> My dispatching procedure Do_Write_Bytes (defined in src/rdf-raptor-
> iostream.adb:414) is not called an I don't understand why.
> 
> Note that in src/rdf-raptor-iostream.ad:345 I create an object holding a
> raptor_iostream* C handler and pass the access to the object itself to the
> C library as user_data parameter, in order to make dispatching calls
> afterward. The callbacks I pass to the C raptor_new_iostream_from_handler
> function are just wrappers which call my object (reconstructed from the
> user_data parameter) dispatching methods.
> 
> Please help to understand the reason of the error. This will help not only
> to Raptor itself but also for my bigger project which I am going implement
> in Ada, X-former: http://freesoft.portonvictor.org/namespaces.xml - so
> your help would help to essentially advance free software.
> 
> My source is located at
> https://github.com/vporton/redland-bindings/tree/ada2012/ada
> 
> Please ask me any questions.

I have corrected the error myself (it was a bug in documentation of a C 
library).

The error what not quite what I described above.

-- 
Victor Porton - http://portonvictor.org