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63f54259 | 1 | // std::tr1::hash definitions with new string -*- C++ -*- |
2 | ||
f1717362 | 3 | // Copyright (C) 2014-2016 Free Software Foundation, Inc. |
63f54259 | 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 1 | |
26 | #include <string> | |
27 | ||
28 | #if ! _GLIBCXX_USE_DUAL_ABI | |
29 | # error This file should not be compiled for this configuration. | |
30 | #endif | |
31 | ||
32 | #include <tr1/functional> | |
33 | namespace std _GLIBCXX_VISIBILITY(default) | |
34 | { | |
35 | namespace tr1 | |
36 | { | |
37 | template<> | |
38 | size_t | |
39 | hash<string>::operator()(string __s) const | |
40 | { return _Fnv_hash::hash(__s.data(), __s.length()); } | |
41 | ||
42 | template<> | |
43 | size_t | |
44 | hash<const string&>::operator()(const string& __s) const | |
45 | { return _Fnv_hash::hash(__s.data(), __s.length()); } | |
46 | ||
47 | #ifdef _GLIBCXX_USE_WCHAR_T | |
48 | template<> | |
49 | size_t | |
50 | hash<wstring>::operator()(wstring __s) const | |
51 | { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } | |
52 | ||
53 | template<> | |
54 | size_t | |
55 | hash<const wstring&>::operator()(const wstring& __s) const | |
56 | { return _Fnv_hash::hash(__s.data(), __s.length() * sizeof(wchar_t)); } | |
57 | #endif | |
58 | } | |
59 | } |