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) 1992-2007, 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 2,  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.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 with System.Unsigned_Types; use System.Unsigned_Types;
  35
  36 package body System.Img_Uns is
  37
  38    --------------------
  39    -- Image_Unsigned --
  40    --------------------
  41
  42    procedure Image_Unsigned
  43      (V : System.Unsigned_Types.Unsigned;
  44       S : in out String;
  45       P : out Natural)
  46    is
  47       pragma Assert (S'First = 1);
  48    begin
  49       S (1) := ' ';
  50       P := 1;
  51       Set_Image_Unsigned (V, S, P);
  52    end Image_Unsigned;
  53
  54    ------------------------
  55    -- Set_Image_Unsigned --
  56    ------------------------
  57
  58    procedure Set_Image_Unsigned
  59      (V : Unsigned;
  60       S : in out String;
  61       P : in out Natural)
  62    is
  63       procedure Set_Digits (T : Unsigned);
  64       --  Set decimal digits of value of T
  65
  66       ----------------
  67       -- Set_Digits --
  68       ----------------
  69
  70       procedure Set_Digits (T : Unsigned) is
  71       begin
  72          if T >= 10 then
  73             Set_Digits (T / 10);
  74             P := P + 1;
  75             S (P) := Character'Val (48 + (T rem 10));
  76
  77          else
  78             P := P + 1;
  79             S (P) := Character'Val (48 + T);
  80          end if;
  81       end Set_Digits;
  82
  83    --  Start of processing for Set_Image_Unsigned
  84
  85    begin
  86       Set_Digits (V);
  87    end Set_Image_Unsigned;
  88
  89 end System.Img_Uns;