src/lib/gnat/i-c.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                         I N T E R F A C E S . C                          --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2009, 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 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  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 package body Interfaces.C is
  33
  34    -----------------------
  35    -- Is_Nul_Terminated --
  36    -----------------------
  37
  38    --  Case of char_array
  39
  40    function Is_Nul_Terminated (Item : char_array) return Boolean is
  41    begin
  42       for J in Item'Range loop
  43          if Item (J) = nul then
  44             return True;
  45          end if;
  46       end loop;
  47
  48       return False;
  49    end Is_Nul_Terminated;
  50
  51    ------------
  52    -- To_Ada --
  53    ------------
  54
  55    --  Convert char to Character
  56
  57    function To_Ada (Item : char) return Character is
  58    begin
  59       return Character'Val (char'Pos (Item));
  60    end To_Ada;
  61
  62    ----------
  63    -- To_C --
  64    ----------
  65
  66    --  Convert Character to char
  67
  68    function To_C (Item : Character) return char is
  69    begin
  70       return char'Val (Character'Pos (Item));
  71    end To_C;
  72
  73 end Interfaces.C;