gcc/ada/s-imguns.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                       S Y S T E M . I M G _ U N S                        --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2009, 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 with System.Unsigned_Types; use System.Unsigned_Types;
  33
  34 package body System.Img_Uns is
  35
  36    --------------------
  37    -- Image_Unsigned --
  38    --------------------
  39
  40    procedure Image_Unsigned
  41      (V : System.Unsigned_Types.Unsigned;
  42       S : in out String;
  43       P : out Natural)
  44    is
  45       pragma Assert (S'First = 1);
  46    begin
  47       S (1) := ' ';
  48       P := 1;
  49       Set_Image_Unsigned (V, S, P);
  50    end Image_Unsigned;
  51
  52    ------------------------
  53    -- Set_Image_Unsigned --
  54    ------------------------
  55
  56    procedure Set_Image_Unsigned
  57      (V : Unsigned;
  58       S : in out String;
  59       P : in out Natural)
  60    is
  61       procedure Set_Digits (T : Unsigned);
  62       --  Set decimal digits of value of T
  63
  64       ----------------
  65       -- Set_Digits --
  66       ----------------
  67
  68       procedure Set_Digits (T : Unsigned) is
  69       begin
  70          if T >= 10 then
  71             Set_Digits (T / 10);
  72             P := P + 1;
  73             S (P) := Character'Val (48 + (T rem 10));
  74
  75          else
  76             P := P + 1;
  77             S (P) := Character'Val (48 + T);
  78          end if;
  79       end Set_Digits;
  80
  81    --  Start of processing for Set_Image_Unsigned
  82
  83    begin
  84       Set_Digits (V);
  85    end Set_Image_Unsigned;
  86
  87 end System.Img_Uns;