Re: dinamic object reclamation

["David C. Hoos" <david.c.hoos.sr@ada95.com>]

Yes, you have to use Ada.Unchecked_Deallocation to free the memory.

Types derived from Ada.Finalization.Controlled can have their memory
automatically freed when execution leaves the scope in which it was
declared.

----- Original Message ----- 
From: "Anisimkov" <anisimkov@yahoo.com>
Newsgroups: comp.lang.ada
To: <comp.lang.ada@ada.eu.org>
Sent: Wednesday, September 19, 2001 9:27 AM
Subject: dinamic object reclamation


> I wrote the test program about it.
> -----------------------------
> with text_io; use text_io;
> procedure alloc is
> 
>   dummy : character;
> 
>   procedure act (i : integer)
>   is
>       type block is array (1 .. 1024) of integer;
>       type block_ptr is access all block;
>       ptr : block_ptr;
>   begin
>       ptr := new block;
>       ptr (ptr'LAst) := i;
>       put (integer'image(I));
>   end;
> 
> begin
>   for i in 1..20000 loop
>     act (i);
>     get_immediate(dummy);
>   end loop;
> end;
> --------------------
> The question is:
> Is memory allocated by
>       ptr := new block;
> have to be freed automatically after leaving of procedure act ?
> Am I have to use Ada.Unchecked_Deallocation for free memory ?
> I'm acking becouse there is a memory leak without Unchecked_Deallocation
> when program compiled in the GNAT 3.13.
> Is it bug or regular behavior ?
> 
> 
> 
> 
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