* File "form" and mainstream systems.
@ 2008-08-18 13:40 Maciej Sobczak
2008-08-22 4:00 ` Randy Brukardt
0 siblings, 1 reply; 2+ messages in thread
From: Maciej Sobczak @ 2008-08-18 13:40 UTC (permalink / raw)
Hi,
There is a Form parameter in file creation/open procedures (for
example Ada.Sequential_IO.Create).
The corresponding function allows to retrieve the "form" for the file
object that is already open.
Is there any use for the file "form" on POSIX or Windows?
--
Maciej Sobczak * www.msobczak.com * www.inspirel.com
Database Access Library for Ada: www.inspirel.com/soci-ada
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: File "form" and mainstream systems.
2008-08-18 13:40 File "form" and mainstream systems Maciej Sobczak
@ 2008-08-22 4:00 ` Randy Brukardt
0 siblings, 0 replies; 2+ messages in thread
From: Randy Brukardt @ 2008-08-22 4:00 UTC (permalink / raw)
Sure, but it's implementation-defined, and thus may vary from compiler to
compiler. Can't do anything portable with it.
Janus/Ada uses Form to control the file sharing mode on Windows, and also to
set (or not) the CP/M compatibility mode (where <ctrl>-Z is treated as a
file terminator). I'm pretty sure GNAT has such capabilities, too, but I
think the syntax is different. (Remember that Form is a String).
Randy.
"Maciej Sobczak" <see.my.homepage@gmail.com> wrote in message
news:6f4661c3-0b11-4b2e-a258-40b7749dce97@y21g2000hsf.googlegroups.com...
> Hi,
>
> There is a Form parameter in file creation/open procedures (for
> example Ada.Sequential_IO.Create).
> The corresponding function allows to retrieve the "form" for the file
> object that is already open.
>
> Is there any use for the file "form" on POSIX or Windows?
>
> --
> Maciej Sobczak * www.msobczak.com * www.inspirel.com
>
> Database Access Library for Ada: www.inspirel.com/soci-ada
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2008-08-18 13:40 File "form" and mainstream systems Maciej Sobczak
2008-08-22 4:00 ` Randy Brukardt
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