| // std::tr1::hash definitions with new string -*- C++ -*- |
| |
| // Copyright (C) 2014-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| #define _GLIBCXX_USE_CXX11_ABI 1 |
| #include <string> |
| |
| #if ! _GLIBCXX_USE_DUAL_ABI |
| # error This file should not be compiled for this configuration. |
| #endif |
| |
| #include <tr1/functional> |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| namespace tr1 |
| { |
| template<> |
| size_t |
| hash<string>::operator()(string __s) const |
| { return _Fnv_hash::hash(__s.data(), __s.length()); } |
| |
| template<> |
| size_t |
| hash<const string&>::operator()(const string& __s) const |
| { return _Fnv_hash::hash(__s.data(), __s.length()); } |
| |
| #ifdef _GLIBCXX_USE_WCHAR_T |
| template<> |
| size_t |
| hash<wstring>::operator()(wstring __s) const |
| { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } |
| |
| template<> |
| size_t |
| hash<const wstring&>::operator()(const wstring& __s) const |
| { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } |
| #endif |
| } |
| } |