| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . I M A G E _ B -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1992-2021, 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 for use by Text_IO.Integer_IO and Text_IO.Modular_IO. |
| |
| generic |
| |
| type Int is range <>; |
| |
| type Uns is mod <>; |
| |
| package System.Image_B is |
| pragma Pure; |
| |
| procedure Set_Image_Based_Integer |
| (V : Int; |
| 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 : Uns; |
| 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.Image_B; |
