0,0 → 1,73 |
// std::collate implementation details, generic version -*- C++ -*- |
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// Copyright (C) 2001-2015 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. |
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// 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. |
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// 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. |
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// 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/>. |
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// |
// ISO C++ 14882: 22.2.4.1.2 collate virtual functions |
// |
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// Written by Benjamin Kosnik <bkoz@redhat.com> |
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#include <locale> |
#include <cstring> |
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namespace std _GLIBCXX_VISIBILITY(default) |
{ |
_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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// These are basically extensions to char_traits, and perhaps should |
// be put there instead of here. |
template<> |
int |
collate<char>::_M_compare(const char* __one, |
const char* __two) const throw() |
{ |
int __cmp = strcoll(__one, __two); |
return (__cmp >> (8 * sizeof (int) - 2)) | (__cmp != 0); |
} |
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template<> |
size_t |
collate<char>::_M_transform(char* __to, const char* __from, |
size_t __n) const throw() |
{ return strxfrm(__to, __from, __n); } |
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#ifdef _GLIBCXX_USE_WCHAR_T |
template<> |
int |
collate<wchar_t>::_M_compare(const wchar_t* __one, |
const wchar_t* __two) const throw() |
{ |
int __cmp = wcscoll(__one, __two); |
return (__cmp >> (8 * sizeof (int) - 2)) | (__cmp != 0); |
} |
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template<> |
size_t |
collate<wchar_t>::_M_transform(wchar_t* __to, const wchar_t* __from, |
size_t __n) const throw() |
{ return wcsxfrm(__to, __from, __n); } |
#endif |
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_GLIBCXX_END_NAMESPACE_VERSION |
} // namespace |