/usr/lib/gcc-cross/s390x-linux-gnu/5/adainclude/gnatvsn/types.adb is in libgnatvsn5-dev-s390x-cross 5.5.0-12ubuntu1cross1.
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 --
-- --
-- T Y P E S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2014, Free Software Foundation, Inc. --
-- --
-- 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- 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 was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
package body Types is
-----------------------
-- Local Subprograms --
-----------------------
function V (T : Time_Stamp_Type; X : Time_Stamp_Index) return Nat;
-- Extract two decimal digit value from time stamp
---------
-- "<" --
---------
function "<" (Left, Right : Time_Stamp_Type) return Boolean is
begin
return not (Left = Right) and then String (Left) < String (Right);
end "<";
----------
-- "<=" --
----------
function "<=" (Left, Right : Time_Stamp_Type) return Boolean is
begin
return not (Left > Right);
end "<=";
---------
-- "=" --
---------
function "=" (Left, Right : Time_Stamp_Type) return Boolean is
Sleft : Nat;
Sright : Nat;
begin
if String (Left) = String (Right) then
return True;
elsif Left (1) = ' ' or else Right (1) = ' ' then
return False;
end if;
-- In the following code we check for a difference of 2 seconds or less
-- Recall that the time stamp format is:
-- Y Y Y Y M M D D H H M M S S
-- 01 02 03 04 05 06 07 08 09 10 11 12 13 14
-- Note that we do not bother to worry about shifts in the day.
-- It seems unlikely that such shifts could ever occur in practice
-- and even if they do we err on the safe side, i.e., we say that the
-- time stamps are different.
Sright := V (Right, 13) + 60 * (V (Right, 11) + 60 * V (Right, 09));
Sleft := V (Left, 13) + 60 * (V (Left, 11) + 60 * V (Left, 09));
-- So the check is: dates must be the same, times differ 2 sec at most
return abs (Sleft - Sright) <= 2
and then String (Left (1 .. 8)) = String (Right (1 .. 8));
end "=";
---------
-- ">" --
---------
function ">" (Left, Right : Time_Stamp_Type) return Boolean is
begin
return not (Left = Right) and then String (Left) > String (Right);
end ">";
----------
-- ">=" --
----------
function ">=" (Left, Right : Time_Stamp_Type) return Boolean is
begin
return not (Left < Right);
end ">=";
-------------------
-- Get_Char_Code --
-------------------
function Get_Char_Code (C : Character) return Char_Code is
begin
return Char_Code'Val (Character'Pos (C));
end Get_Char_Code;
-------------------
-- Get_Character --
-------------------
function Get_Character (C : Char_Code) return Character is
begin
pragma Assert (C <= 255);
return Character'Val (C);
end Get_Character;
--------------------
-- Get_Hex_String --
--------------------
subtype Wordh is Word range 0 .. 15;
Hex : constant array (Wordh) of Character := "0123456789abcdef";
function Get_Hex_String (W : Word) return Word_Hex_String is
X : Word := W;
WS : Word_Hex_String;
begin
for J in reverse 1 .. 8 loop
WS (J) := Hex (X mod 16);
X := X / 16;
end loop;
return WS;
end Get_Hex_String;
------------------------
-- Get_Wide_Character --
------------------------
function Get_Wide_Character (C : Char_Code) return Wide_Character is
begin
pragma Assert (C <= 65535);
return Wide_Character'Val (C);
end Get_Wide_Character;
------------------------
-- In_Character_Range --
------------------------
function In_Character_Range (C : Char_Code) return Boolean is
begin
return (C <= 255);
end In_Character_Range;
-----------------------------
-- In_Wide_Character_Range --
-----------------------------
function In_Wide_Character_Range (C : Char_Code) return Boolean is
begin
return (C <= 65535);
end In_Wide_Character_Range;
---------------------
-- Make_Time_Stamp --
---------------------
procedure Make_Time_Stamp
(Year : Nat;
Month : Nat;
Day : Nat;
Hour : Nat;
Minutes : Nat;
Seconds : Nat;
TS : out Time_Stamp_Type)
is
Z : constant := Character'Pos ('0');
begin
TS (01) := Character'Val (Z + Year / 1000);
TS (02) := Character'Val (Z + (Year / 100) mod 10);
TS (03) := Character'Val (Z + (Year / 10) mod 10);
TS (04) := Character'Val (Z + Year mod 10);
TS (05) := Character'Val (Z + Month / 10);
TS (06) := Character'Val (Z + Month mod 10);
TS (07) := Character'Val (Z + Day / 10);
TS (08) := Character'Val (Z + Day mod 10);
TS (09) := Character'Val (Z + Hour / 10);
TS (10) := Character'Val (Z + Hour mod 10);
TS (11) := Character'Val (Z + Minutes / 10);
TS (12) := Character'Val (Z + Minutes mod 10);
TS (13) := Character'Val (Z + Seconds / 10);
TS (14) := Character'Val (Z + Seconds mod 10);
end Make_Time_Stamp;
----------------------
-- Split_Time_Stamp --
----------------------
procedure Split_Time_Stamp
(TS : Time_Stamp_Type;
Year : out Nat;
Month : out Nat;
Day : out Nat;
Hour : out Nat;
Minutes : out Nat;
Seconds : out Nat)
is
begin
-- Y Y Y Y M M D D H H M M S S
-- 01 02 03 04 05 06 07 08 09 10 11 12 13 14
Year := 100 * V (TS, 01) + V (TS, 03);
Month := V (TS, 05);
Day := V (TS, 07);
Hour := V (TS, 09);
Minutes := V (TS, 11);
Seconds := V (TS, 13);
end Split_Time_Stamp;
-------
-- V --
-------
function V (T : Time_Stamp_Type; X : Time_Stamp_Index) return Nat is
begin
return 10 * (Character'Pos (T (X)) - Character'Pos ('0')) +
Character'Pos (T (X + 1)) - Character'Pos ('0');
end V;
end Types;
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