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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . I M G _ B I U --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2009 Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Contains the routine for computing the image in based format of signed and
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-- unsigned integers whose size <= Integer'Size for use by Text_IO.Integer_IO
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-- and Text_IO.Modular_IO.
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with System.Unsigned_Types;
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package System.Img_BIU is
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pragma Pure;
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procedure Set_Image_Based_Integer
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(V : Integer;
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B : Natural;
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W : Integer;
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S : out String;
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P : in out Natural);
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-- Sets the signed image of V in based format, using base value B (2..16)
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-- starting at S (P + 1), updating P to point to the last character stored.
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-- The image includes a leading minus sign if necessary, but no leading
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-- spaces unless W is positive, in which case leading spaces are output if
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-- necessary to ensure that the output string is no less than W characters
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-- long. The caller promises that the buffer is large enough and no check
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-- is made for this. Constraint_Error will not necessarily be raised if
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-- this is violated, since it is perfectly valid to compile this unit with
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-- checks off.
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procedure Set_Image_Based_Unsigned
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(V : System.Unsigned_Types.Unsigned;
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B : Natural;
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W : Integer;
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S : out String;
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P : in out Natural);
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-- Sets the unsigned image of V in based format, using base value B (2..16)
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-- starting at S (P + 1), updating P to point to the last character stored.
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-- The image includes no leading spaces unless W is positive, in which case
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-- leading spaces are output if necessary to ensure that the output string
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-- is no less than W characters long. The caller promises that the buffer
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-- is large enough and no check is made for this. Constraint_Error will not
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-- necessarily be raised if this is violated, since it is perfectly valid
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-- to compile this unit with checks off).
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end System.Img_BIU;
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