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      1 // -*- C++ -*-
      2 
      3 // Copyright (C) 2005-2013 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
     26 
     27 // Permission to use, copy, modify, sell, and distribute this software
     28 // is hereby granted without fee, provided that the above copyright
     29 // notice appears in all copies, and that both that copyright notice
     30 // and this permission notice appear in supporting documentation. None
     31 // of the above authors, nor IBM Haifa Research Laboratories, make any
     32 // representation about the suitability of this software for any
     33 // purpose. It is provided "as is" without express or implied
     34 // warranty.
     35 
     36 /**
     37  * @file cc_hash_table_map_/insert_no_store_hash_fn_imps.hpp
     38  * Contains implementations of cc_ht_map_'s insert related functions,
     39  * when the hash value is not stored.
     40  */
     41 
     42 PB_DS_CLASS_T_DEC
     43 inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool>
     44 PB_DS_CLASS_C_DEC::
     45 insert_imp(const_reference r_val, false_type)
     46 {
     47   PB_DS_ASSERT_VALID((*this))
     48   key_const_reference r_key = PB_DS_V2F(r_val);
     49   const size_type pos = ranged_hash_fn_base::operator()(r_key);
     50   entry_pointer p_e = m_entries[pos];
     51   resize_base::notify_insert_search_start();
     52 
     53   while (p_e != 0 && !hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value),
     54 						     r_key))
     55     {
     56       resize_base::notify_insert_search_collision();
     57       p_e = p_e->m_p_next;
     58     }
     59 
     60   resize_base::notify_insert_search_end();
     61   if (p_e != 0)
     62     {
     63       PB_DS_CHECK_KEY_EXISTS(r_key)
     64       return std::make_pair(&p_e->m_value, false);
     65     }
     66 
     67   PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key)
     68   return std::make_pair(insert_new_imp(r_val, pos), true);
     69 }
     70 
     71