1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--                       S Y S T E M . I M G _ U N S                        --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-2018, Free Software Foundation, Inc.         --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32--  This package contains the routines for supporting the Image attribute for
33--  modular integer types up to size Unsigned'Size, and also for conversion
34--  operations required in Text_IO.Modular_IO for such types.
35
36with System.Unsigned_Types;
37
38package System.Img_Uns is
39   pragma Pure;
40
41   procedure Image_Unsigned
42     (V : System.Unsigned_Types.Unsigned;
43      S : in out String;
44      P : out Natural);
45   pragma Inline (Image_Unsigned);
46   --  Computes Unsigned'Image (V) and stores the result in S (1 .. P) setting
47   --  the resulting value of P. The caller guarantees that S is long enough to
48   --  hold the result, and that S'First is 1.
49
50   procedure Set_Image_Unsigned
51     (V : System.Unsigned_Types.Unsigned;
52      S : in out String;
53      P : in out Natural);
54   --  Stores the image of V in S starting at S (P + 1), P is updated to point
55   --  to the last character stored. The value stored is identical to the value
56   --  of Unsigned'Image (V) except that no leading space is stored. The caller
57   --  guarantees that S is long enough to hold the result. S need not have a
58   --  lower bound of 1.
59
60end System.Img_Uns;
61