[Gambas-user] Gambas 3 advancement

[Doriano Blengino]

Benoît Minisini ha scritto:
>> Benoît Minisini ha scritto:
>>      
>>>> Pipes should not return EOF when the pipe is not closed. But they should
>>>> return EOF when the other side closes.
>>>>          
>>> Why ?
>>>        
>> Because this is the way *all* unix routines work, and the only logical one.
>>
>>      

> You get a point, but Eof() in Gambas does not actually mean what EOF means in
> Unix.
>
> I had only one Basic syntax for that, and I need to know if there is something
> to read on a stream, and I used Eof() for that.
>
> For a file stream, the two meanings are the same. But not for a pipe or a
> socket.
>
> At the moment, for a pipe or a socket, you get an error when it is closed.
>
> Note that for a socket, "there is date to read" does not mean the same thing
> than for a pipe, because there is the network between two sides of a socket.
>    
(Readed the following mail too...) What do you mean?
> I will try to change the meaning of Eof() to match the Unix one, and see how
> many things break.
>
> And I will keep the meaning of Lof(), so that Lof() = 0 means that there is
> nothing to read, even if the new Eof() is False.
>    
The solution seems perfect. In the old days of basic, lof() was used on 
serial lines to see if there were data to read.

Regards,
Doriano