1// rb_tree extension -*- C++ -*-
2
3// Copyright (C) 2002 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 2, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING.  If not, write to the Free
18// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19// USA.
20
21// As a special exception, you may use this file as part of a free software
22// library without restriction.  Specifically, if other files instantiate
23// templates or use macros or inline functions from this file, or you compile
24// this file and link it with other files to produce an executable, this
25// file does not by itself cause the resulting executable to be covered by
26// the GNU General Public License.  This exception does not however
27// invalidate any other reasons why the executable file might be covered by
28// the GNU General Public License.
29
30/*
31 *
32 * Copyright (c) 1994
33 * Hewlett-Packard Company
34 *
35 * Permission to use, copy, modify, distribute and sell this software
36 * and its documentation for any purpose is hereby granted without fee,
37 * provided that the above copyright notice appear in all copies and
38 * that both that copyright notice and this permission notice appear
39 * in supporting documentation.  Hewlett-Packard Company makes no
40 * representations about the suitability of this software for any
41 * purpose.  It is provided "as is" without express or implied warranty.
42 *
43 *
44 * Copyright (c) 1996
45 * Silicon Graphics Computer Systems, Inc.
46 *
47 * Permission to use, copy, modify, distribute and sell this software
48 * and its documentation for any purpose is hereby granted without fee,
49 * provided that the above copyright notice appear in all copies and
50 * that both that copyright notice and this permission notice appear
51 * in supporting documentation.  Silicon Graphics makes no
52 * representations about the suitability of this software for any
53 * purpose.  It is provided "as is" without express or implied warranty.
54 */
55
56/** @file ext/rb_tree
57 *  This file is a GNU extension to the Standard C++ Library (possibly
58 *  containing extensions from the HP/SGI STL subset).  You should only
59 *  include this header if you are using GCC 3 or later.
60 */
61
62#ifndef _EXT_RB_TREE
63#define _EXT_RB_TREE
64
65#pragma GCC system_header
66#include <bits/stl_tree.h>
67
68namespace __gnu_cxx
69{
70using std::_Rb_tree;
71using std::allocator;
72
73// Class rb_tree is not part of the C++ standard.  It is provided for
74// compatibility with the HP STL.
75
76/**
77 *  This is an SGI extension.
78 *  @ingroup SGIextensions
79 *  @doctodo
80*/
81template <class _Key, class _Value, class _KeyOfValue, class _Compare,
82          class _Alloc = allocator<_Value> >
83struct rb_tree : public _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
84{
85  typedef _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
86  typedef typename _Base::allocator_type allocator_type;
87
88  rb_tree(const _Compare& __comp = _Compare(),
89          const allocator_type& __a = allocator_type())
90    : _Base(__comp, __a) {}
91
92  ~rb_tree() {}
93};
94
95} // namespace __gnu_cxx
96
97#endif /* _EXT_RB_TREE */
98