File : s-imguns.ads
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) 1992-2014, 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 -- --
19 -- --
20 -- --
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
36 with System.Unsigned_Types;
37
38 package 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
60 end System.Img_Uns;