Re: Large strings in ADA

[dvdeug@x8b4e53cd.dhcp.okstate.edu (David Starner)]

On Mon, 17 Apr 2000 19:30:19 GMT, Robert Dewar <robert_dewar@my-deja.com> wrote:
>In article <38FB4521.D02EA4C9@xpress.se>,
>  Johan Groth <jgroth@xpress.se> wrote:
>> tmoran@bix.com wrote:
>> >
>> > >Perhaps you should try duplicating the -exact- C semantics.
>Presumably
>> > >you have a -very- large char buffer into which the items
>are copied.
>> >
>> >   If the original is in C, it must have something like
>> >      char Msg[2500000];  // 2.5 MB
>> > so the straightforward Ada equivalent would be
>> >      Msg : String(1 .. 2_500_000);  -- 2.5 MB
>>
>> The above is the current solution but it doesn't work as it
>uses to much
>> memory.
>
>
>That's odd, what machine are you on? Almost all operating
>systems use commit-on-use allocation these days.

Doesn't this try to get 2.5 MB from the stack, though? The
C equivelent does, and I assumed that most Ada compilers
(esp. GNAT) would just allocate arrays declared in a function/
procedure like that on the stack.

-- 
David Starner - dstarner98@aasaa.ofe.org
Only a nerd would worry about wrong parentheses with
square brackets. But that's what mathematicians are.
   -- Dr. Burchard, math professor at OSU