Re: File_size on windows Ada 2005

[Anh Vo <anhvofrcaus@gmail.com>]

On Oct 4, 6:06 pm, Adam Beneschan <a...@irvine.com> wrote:
> On Oct 4, 11:09 am, Anh Vo <anhvofrc...@gmail.com> wrote:
>
> > On Oct 3, 8:10 pm, "ME" <abcd...@nonodock.net> wrote:
>
> > > Does File_size work on directories? What does it return in windows?
>
> > Use the function Directories.Size (String) return
> > Directories.File_Size as shown in function specification below
>
> >    function Size (Name : String) return File_Size;
>
> This doesn't necessarily work on directories, though, even though it's
> in the Directories package.  The description of the Size function is:
>
> # Returns the size of the external file represented by Name. The size
> of an
> # external file is the number of stream elements contained in the
> file. If the
> # external file is not an ordinary file, the result is implementation-
> defined.
>
> and a directory is certainly not an ordinary file.  So if you give it
> a directory name as the Name, it could raise an exception (possibly
> Name_Error, but not necessarily), or it could return a result that
> means something implementation-defined, or it could return meaningless
> garbage.

Oops! you are right. It raised Name_Error when I tested it. It would
be nice if it returns some number such as 512 when issuing command
line ls -l on Linux.

AV