1// std::tr1::hash definitions -*- C++ -*- 2 3// Copyright (C) 2007-2020 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 31namespace 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