------------------------------------------------------------------------------
-- --
--- GNAT RUNTIME COMPONENTS --
+-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . I M G _ D E C --
-- --
-- S p e c --
-- --
--- $Revision: 1.6 $
--- --
--- Copyright (C) 1992-2000 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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 2, or (at your option) any later ver- --
+-- 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- 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. --
-- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- 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. --
--- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- type does not exceed Integer'Size (also used for Text_IO.Decimal_IO output)
package System.Img_Dec is
-pragma Preelaborate (Img_Dec);
+ pragma Pure;
- function Image_Decimal
+ procedure Image_Decimal
(V : Integer;
- Scale : Integer)
- return String;
- -- Compute 'Image of V, the integer value (in units of delta) of a decimal
- -- type whose Scale is as given and return the result. THe image is given
- -- by the rules in RM 3.5(34) for fixed-point type image functions.
+ S : in out String;
+ P : out Natural;
+ Scale : Integer);
+ -- Computes fixed_type'Image (V), where V is the integer value (in units of
+ -- delta) of a decimal type whose Scale is as given and stores the result
+ -- S (1 .. P), updating P to the value of L. The image is given by the
+ -- rules in RM 3.5(34) for fixed-point type image functions. The caller
+ -- guarantees that S is long enough to hold the result. S need not have a
+ -- lower bound of 1.
procedure Set_Image_Decimal
(V : Integer;
- S : out String;
+ S : in out String;
P : in out Natural;
Scale : Integer;
Fore : Natural;
-- will not necessarily be raised if this requirement is violated, since
-- it is perfectly valid to compile this unit with checks off. The Fore,
-- Aft and Exp values can be set to any valid values for the case of use
- -- by Text_IO.Decimal_IO.
+ -- by Text_IO.Decimal_IO. Note that there is no leading space stored.
procedure Set_Decimal_Digits
(Digs : in out String;