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
	autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: non-local pointer cannot point to local object
Date: Fri, 23 Feb 2018 10:42:44 +0100
Organization: Aioe.org NNTP Server
Message-ID: <p6onmk$1c34$1@gioia.aioe.org>
References: <15e8a72b-3644-4193-8947-b0aaf587c1c2@googlegroups.com>
NNTP-Posting-Host: MyFhHs417jM9AgzRpXn7yg.user.gioia.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: abuse@aioe.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101
 Thunderbird/52.6.0
X-Notice: Filtered by postfilter v. 0.8.3
Content-Language: en-US
Xref: reader02.eternal-september.org comp.lang.ada:50591
Date: 2018-02-23T10:42:44+01:00
List-Id: <comp.lang.ada>

On 23/02/2018 09:54, artium@nihamkin.com wrote:

> Can someone explain why I get "non-local pointer cannot point to 
> local object" error, even though it looks like "Arr" and "Arr_Access"
> have the  same accessibility level?

In the equation are the type of pointer and the target object, not two 
objects.

> Can I overcome the problem without dynamically allocating memory and without using "Unchecked_Access"?

You probably don't need char_array_access. char_array is meant to be 
used where C expects char *. Just pass To_C ("from") right to C.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de