Re: use_error

["Mark D. McKinney" <mckinm@ois.com>]

arcele wrote:

> No, i'm not doing that, what i'm actually trying to do is set up a chain
> with seperate overflow, my function that calls the error looks like this....
> 
> procedure addlink(inrec : in a_hote) is
>   min_val : integer;
> begin
>   dir_io.open(notes, dir_io.inout_file, "notes.dat")

What does the LRM Say a use error is?? Is notes global ?? When do you 
close this file ?? Can addlink be called more than once ??
If you can aswer these qustions I think you can figure out at least on 
potential cause of your use_error.

> 
>    min_val := inrec.next;
>     while min_val /= 0 loop
>       dir_io.read(notes, new_rec, dir_io.positive_count(min_val));
>       min_val := new_rec.next;
>     end loop;
>   dir_io.write(notes, new_rec, dir_io.positive_count(min_val));
>  end;
> 
> 
> Fraser Wilson <blancolioni@blancolioni.org> wrote in message
> news:fy71yr9sewb.fsf@blancolioni.org...
> 
>> "arcele" <unhuh@hotmail.com> writes:
>> 
>>> USE_ERROR when using the Direct_IO Package, can anyone tell me what in
>> 
> the
> 
>>> heck this means, or where I can read up on it??? thanks....ryan =]
>> 
>> Without code it's hard to say, but I expect you're doing something like
>> 
>>    use Direct_IO;
>> 
>> which you can't because it's a generic, and has to be instantiated.
>> 
>> Fraser.
>>