gcc/ada/a-stunau.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                          GNAT RUN-TIME COMPONENTS                        --
   4 --                                                                          --
   5 --            A D A . S T R I N G S . U N B O U N D E D . A U X             --
   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 Ada.Strings.Unbounded.Aux is
  33
  34    ----------------
  35    -- Get_String --
  36    ----------------
  37
  38    procedure Get_String
  39      (U : Unbounded_String;
  40       S : out String_Access;
  41       L : out Natural)
  42    is
  43    begin
  44       S := U.Reference;
  45       L := U.Last;
  46    end Get_String;
  47
  48    ----------------
  49    -- Set_String --
  50    ----------------
  51
  52    procedure Set_String (UP : in out Unbounded_String; S : String) is
  53    begin
  54       if S'Length > UP.Last then
  55          Finalize (UP);
  56          UP.Reference := new String (1 .. S'Length);
  57       end if;
  58
  59       UP.Reference (1 .. S'Length) := S;
  60       UP.Last := S'Length;
  61    end Set_String;
  62
  63    procedure Set_String (UP : in out Unbounded_String; S : String_Access) is
  64    begin
  65       Finalize (UP);
  66       UP.Reference := S;
  67       UP.Last := UP.Reference'Length;
  68    end Set_String;
  69
  70 end Ada.Strings.Unbounded.Aux;