1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . I M G _ B I U --
-- --
-- S p e c --
-- --
-- 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 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. --
-- --
-- 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. --
-- --
-- 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. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- Contains the routine for computing the image in based format of signed and
-- unsigned integers whose size <= Integer'Size for use by Text_IO.Integer_IO
-- and Text_IO.Modular_IO.
with System.Unsigned_Types;
package System.Img_BIU is
pragma Pure;
procedure Set_Image_Based_Integer
(V : Integer;
B : Natural;
W : Integer;
S : out String;
P : in out Natural);
-- Sets the signed image of V in based format, using base value B (2..16)
-- starting at S (P + 1), updating P to point to the last character stored.
-- The image includes a leading minus sign if necessary, but no leading
-- spaces unless W is positive, in which case leading spaces are output if
-- necessary to ensure that the output string is no less than W characters
-- long. The caller promises that the buffer is large enough and no check
-- is made for this. Constraint_Error will not necessarily be raised if
-- this is violated, since it is perfectly valid to compile this unit with
-- checks off.
procedure Set_Image_Based_Unsigned
(V : System.Unsigned_Types.Unsigned;
B : Natural;
W : Integer;
S : out String;
P : in out Natural);
-- Sets the unsigned image of V in based format, using base value B (2..16)
-- starting at S (P + 1), updating P to point to the last character stored.
-- The image includes no leading spaces unless W is positive, in which case
-- leading spaces are output if necessary to ensure that the output string
-- is no less than W characters long. The caller promises that the buffer
-- is large enough and no check is made for this. Constraint_Error will not
-- necessarily be raised if this is violated, since it is perfectly valid
-- to compile this unit with checks off).
end System.Img_BIU;
|
