s-imguns.adb   [plain text]


------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUNTIME COMPONENTS                          --
--                                                                          --
--                       S Y S T E M . I M G _ U N S                        --
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--                                 B o d y                                  --
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--        Copyright (C) 1992,1993,1994 Free Software Foundation, Inc.       --
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--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

with System.Unsigned_Types; use System.Unsigned_Types;

package body System.Img_Uns is

   --------------------
   -- Image_Unsigned --
   --------------------

   function Image_Unsigned
     (V    : Unsigned)
      return String
   is
      P : Natural;
      S : String (1 .. Unsigned'Width);

   begin
      P := 1;
      S (P) := ' ';
      Set_Image_Unsigned (V, S, P);
      return S (1 .. P);
   end Image_Unsigned;

   ------------------------
   -- Set_Image_Unsigned --
   ------------------------

   procedure Set_Image_Unsigned
     (V : Unsigned;
      S : out String;
      P : in out Natural)
   is
      procedure Set_Digits (T : Unsigned);
      --  Set decimal digits of value of T

      procedure Set_Digits (T : Unsigned) is
      begin
         if T >= 10 then
            Set_Digits (T / 10);
            P := P + 1;
            S (P) := Character'Val (48 + (T rem 10));

         else
            P := P + 1;
            S (P) := Character'Val (48 + T);
         end if;
      end Set_Digits;

   --  Start of processing for Set_Image_Unsigned

   begin
      Set_Digits (V);

   end Set_Image_Unsigned;

end System.Img_Uns;