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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- S Y S T E M . I M G _ B I U --
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6 -- --
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7 -- S p e c --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- Contains the routine for computing the image in based format of signed and
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33 -- unsigned integers whose size <= Integer'Size for use by Text_IO.Integer_IO
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34 -- and Text_IO.Modular_IO.
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35
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36 with System.Unsigned_Types;
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37
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38 package System.Img_BIU is
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39 pragma Pure;
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40
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41 procedure Set_Image_Based_Integer
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42 (V : Integer;
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43 B : Natural;
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44 W : Integer;
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45 S : out String;
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46 P : in out Natural);
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47 -- Sets the signed image of V in based format, using base value B (2..16)
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48 -- starting at S (P + 1), updating P to point to the last character stored.
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49 -- The image includes a leading minus sign if necessary, but no leading
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50 -- spaces unless W is positive, in which case leading spaces are output if
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51 -- necessary to ensure that the output string is no less than W characters
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52 -- long. The caller promises that the buffer is large enough and no check
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53 -- is made for this. Constraint_Error will not necessarily be raised if
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54 -- this is violated, since it is perfectly valid to compile this unit with
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55 -- checks off.
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56
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57 procedure Set_Image_Based_Unsigned
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58 (V : System.Unsigned_Types.Unsigned;
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59 B : Natural;
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60 W : Integer;
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61 S : out String;
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62 P : in out Natural);
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63 -- Sets the unsigned image of V in based format, using base value B (2..16)
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64 -- starting at S (P + 1), updating P to point to the last character stored.
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65 -- The image includes no leading spaces unless W is positive, in which case
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66 -- leading spaces are output if necessary to ensure that the output string
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67 -- is no less than W characters long. The caller promises that the buffer
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68 -- is large enough and no check is made for this. Constraint_Error will not
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69 -- necessarily be raised if this is violated, since it is perfectly valid
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70 -- to compile this unit with checks off).
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71
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72 end System.Img_BIU;
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