1 // std::tr1::hash definitions -*- C++ -*- 2 3 // Copyright (C) 2007-2018 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 3, 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 // 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 #define _GLIBCXX_USE_CXX11_ABI 0 26 #include <string> 27 #include <tr1/functional> 28 29 #include "hash-long-double-tr1-aux.cc" 30 31 namespace std _GLIBCXX_VISIBILITY(default) 32 { 33 namespace tr1 34 { 35 #ifndef _GLIBCXX_LONG_DOUBLE_COMPAT_IMPL 36 template<> 37 size_t 38 hash<string>::operator()(string __s) const 39 { return _Fnv_hash::hash(__s.data(), __s.length()); } 40 41 template<> 42 size_t 43 hash<const string&>::operator()(const string& __s) const 44 { return _Fnv_hash::hash(__s.data(), __s.length()); } 45 46 #ifdef _GLIBCXX_USE_WCHAR_T 47 template<> 48 size_t 49 hash<wstring>::operator()(wstring __s) const 50 { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } 51 52 template<> 53 size_t 54 hash<const wstring&>::operator()(const wstring& __s) const 55 { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } 56 #endif 57 #endif 58 } 59 } 60