/usr/share/ada/adainclude/aunit/aunit.adb is in libaunit17.2017-dev 17.2017-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- A U N I T --
-- --
-- B o d y --
-- --
-- --
-- Copyright (C) 2008-2011, AdaCore --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT is maintained by AdaCore (http://www.adacore.com) --
-- --
------------------------------------------------------------------------------
with Ada.Unchecked_Conversion;
with System.Storage_Elements; use System.Storage_Elements;
with AUnit.Memory; use AUnit.Memory;
package body AUnit is
type Bounds is record
First : Natural;
Last : Natural;
end record;
type Bounds_Access is access all Bounds;
type Fat_Pointer is record
Address : System.Address;
Bound_Address : Bounds_Access;
end record;
pragma Pack (Fat_Pointer);
-------------------
-- Message_Alloc --
-------------------
function Message_Alloc (Length : Natural) return Message_String is
function To_Message is new Ada.Unchecked_Conversion
(Fat_Pointer, Message_String);
function To_Bounds_Access is new Ada.Unchecked_Conversion
(System.Address, Bounds_Access);
function To_Address is new Ada.Unchecked_Conversion
(Bounds_Access, System.Address);
Ret : Fat_Pointer;
begin
Ret.Bound_Address := To_Bounds_Access
(AUnit.Memory.AUnit_Alloc
(size_t (Length + (Bounds'Object_Size / 8))));
Ret.Bound_Address.First := 1;
Ret.Bound_Address.Last := Length;
Ret.Address := To_Address (Ret.Bound_Address) + (Bounds'Size / 8);
return To_Message (Ret);
end Message_Alloc;
------------------
-- Message_Free --
------------------
procedure Message_Free (Msg : in out Message_String) is
begin
if Msg /= null then
AUnit.Memory.AUnit_Free (Msg.all'Address);
Msg := null;
end if;
end Message_Free;
------------
-- Format --
------------
function Format (S : String) return Message_String is
Ptr : constant Message_String := Message_Alloc (S'Length);
begin
for J in S'Range loop
Ptr (J - S'First + 1) := S (J);
end loop;
return Ptr;
end Format;
end AUnit;
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