From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: differences between Ada and C in gnat forcing me to use C instead of Ada
Date: Mon, 25 Mar 2019 09:25:53 +0100
Date: 2019-03-25T09:25:53+01:00 [thread overview]
Message-ID: <q7a3ag$hbl$1@gioia.aioe.org> (raw)
In-Reply-To: c1aea932-9ae1-4915-a260-b6bc0b24c12c@googlegroups.com
On 2019-03-25 06:46, matthewbrentmccarty@gmail.com wrote:
> Basically, I wanted to interface with my scanner using SANE (Scanner Access Now Easy). Using my "real" Debian machine since gnat doesn't work under Windows 10 (Debian subsystem for Linux),
No idea what you mean under "subsystem", but GNAT works under Windows
virtual machine.
> with Interfaces.C; use Interfaces.C;
> ...
> ...
> subtype SANE_Char is char; -- /usr/include/sane/sane.h:46
> ...
> type SANE_String is access all SANE_Char; -- /usr/include/sane/sane.h:47
> ...
> -- unique device name
> type SANE_Device is record
> name : SANE_String_Const; -- /usr/include/sane/sane.h:104
> vendor : SANE_String_Const; -- /usr/include/sane/sane.h:105
> model : SANE_String_Const; -- /usr/include/sane/sane.h:106
> c_type : SANE_String_Const; -- /usr/include/sane/sane.h:107
> end record;
> pragma Convention (C_Pass_By_Copy, SANE_Device); -- /usr/include/sane/sane.h:109
type SANE_Device is record
name : chars_ptr;
vendor : chars_ptr;
model : chars_ptr;
c_type : chars_ptr;
end record;
pragma Convention (C, SANE_Device);
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2019-03-25 8:25 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-25 5:46 differences between Ada and C in gnat forcing me to use C instead of Ada matthewbrentmccarty
2019-03-25 5:58 ` Jere
2019-03-25 8:25 ` Dmitry A. Kazakov [this message]
2019-03-25 14:06 ` Florian Weimer
2019-03-25 10:56 ` Philip Munts
2019-03-25 11:54 ` Lucretia
2019-03-25 14:09 ` matthewbrentmccarty
2019-03-25 14:20 ` Dmitry A. Kazakov
2019-03-25 16:46 ` Jeffrey R. Carter
2019-03-25 18:01 ` Dmitry A. Kazakov
2019-03-25 17:38 ` Niklas Holsti
2019-03-25 16:42 ` matthewbrentmccarty
2019-03-25 18:18 ` Dmitry A. Kazakov
2019-04-04 0:51 ` matthewbrentmccarty
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