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with System;

package Unc_Memops is

   pragma Elaborate_Body;

   type size_t is mod 2 ** Standard'Address_Size;

   subtype addr_t is System.Address;

   function  Alloc (Size : size_t) return addr_t;

   procedure Free (Ptr : addr_t);

   function  Realloc (Ptr  : addr_t; Size : size_t) return addr_t;

   procedure Expect_Symetry (Status : Boolean);

   --  Whether we expect "free"s to match "alloc" return values in

   --  reverse order, like alloc->X, alloc->Y should be followed by

   --  free Y, free X.

private

   --  Uncomment the exports below to really exercise the alternate versions.

   --  This only works when using an installed version of the tools which

   --  grabs the runtime library objects from an archive, hence doesn't force

   --  the inclusion of s-memory.o.

   --  pragma Export (C, Alloc,   "__gnat_malloc");

   --  pragma Export (C, Free,    "__gnat_free");

   --  pragma Export (C, Realloc, "__gnat_realloc");

end;