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  1. // -*- C++ -*-
  2.  
  3. // Copyright (C) 2005-2015 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.