Re: Encapsulating Ada.Direct_IO

["Randy Brukardt" <randy@rrsoftware.com>]

"Peter C. Chapin" <pcc482719@gmail.com> wrote in message 
news:tM6dnaTzn6shVH7RRVn_vwA@giganews.com...
...
> Something I wonder about (I don't have the answer) is if it necessary to
> use a representation clause to force the size of the objects being read
> to be 8 bits. I'm a little unclear if the standard requires Character to
> be stored in a file in 8 bit units. That is, the language might treat
> the type Character rather more abstractly than you want. Again I'm not
> sure of this and I'd love to get some insights from others myself.

Surely not. Not all machines have 8-bits as any sort of native type. For 
instance, the Unisys U2200 (a 36-bit machine, with 9-bit bytes) used 
Character'Size = 9. (It was great fun for the cross-compiler.)

                                      Randy.