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) 1992-2021, 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
32package body Ada.Strings.Unbounded.Aux is
33
34   ----------------
35   -- Get_String --
36   ----------------
37
38   procedure Get_String
39     (U : Unbounded_String;
40      S : out Big_String_Access;
41      L : out Natural)
42   is
43      X : aliased Big_String;
44      for X'Address use U.Reference.all'Address;
45
46   begin
47      S := X'Unchecked_Access;
48      L := U.Last;
49   end Get_String;
50
51   ----------------
52   -- Set_String --
53   ----------------
54
55   procedure Set_String
56     (U      : out Unbounded_String;
57      Length : Positive;
58      Set    : not null access procedure (S : out String))
59   is
60      Old : String_Access := U.Reference;
61   begin
62      U.Last := Length;
63      U.Reference := new String (1 .. Length);
64      Set (U.Reference.all);
65      Free (Old);
66   end Set_String;
67
68end Ada.Strings.Unbounded.Aux;
69