1// -*- C++ -*-
2
3// Copyright (C) 2005, 2006 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 terms
7// of the GNU General Public License as published by the Free Software
8// Foundation; either version 2, or (at your option) any later
9// version.
10
11// This library is distributed in the hope that it will be useful, but
12// WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14// General Public License for more details.
15
16// You should have received a copy of the GNU General Public License
17// along with this library; see the file COPYING.  If not, write to
18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19// MA 02111-1307, USA.
20
21// As a special exception, you may use this file as part of a free
22// software library without restriction.  Specifically, if other files
23// instantiate templates or use macros or inline functions from this
24// file, or you compile this file and link it with other files to
25// produce an executable, this file does not by itself cause the
26// resulting executable to be covered by the GNU General Public
27// License.  This exception does not however invalidate any other
28// reasons why the executable file might be covered by the GNU General
29// Public License.
30
31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32
33// Permission to use, copy, modify, sell, and distribute this software
34// is hereby granted without fee, provided that the above copyright
35// notice appears in all copies, and that both that copyright notice
36// and this permission notice appear in supporting documentation. None
37// of the above authors, nor IBM Haifa Research Laboratories, make any
38// representation about the suitability of this software for any
39// purpose. It is provided "as is" without express or implied
40// warranty.
41
42/**
43 * @file insert_store_hash_fn_imps.hpp
44 * Contains implementations of cc_ht_map_'s insert related functions,
45 * when the hash value is stored.
46 */
47
48PB_DS_CLASS_T_DEC
49inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool>
50PB_DS_CLASS_C_DEC::
51insert_imp(const_reference r_val, true_type)
52{
53  _GLIBCXX_DEBUG_ONLY(assert_valid();)
54  const_key_reference key = PB_DS_V2F(r_val);
55  comp_hash pos_hash_pair = ranged_hash_fn_base::operator()(key);
56  entry_pointer p_e = m_entries[pos_hash_pair.first];
57  resize_base::notify_insert_search_start();
58
59  while (p_e != NULL && !hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value),
60						     p_e->m_hash,
61						    key, pos_hash_pair.second))
62    {
63      resize_base::notify_insert_search_collision();
64      p_e = p_e->m_p_next;
65    }
66
67  resize_base::notify_insert_search_end();
68  if (p_e != NULL)
69    {
70      _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(key);)
71      return std::make_pair(&p_e->m_value, false);
72    }
73
74  _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(key);)
75  return std::make_pair(insert_new_imp(r_val, pos_hash_pair), true);
76}
77
78