1*38fd1498Szrj // std::collate implementation details, DragonFly version -*- C++ -*- 2*38fd1498Szrj 3*38fd1498Szrj // Copyright (C) 2015-2018 Free Software Foundation, Inc. 4*38fd1498Szrj // 5*38fd1498Szrj // This file is part of the GNU ISO C++ Library. This library is free 6*38fd1498Szrj // software; you can redistribute it and/or modify it under the 7*38fd1498Szrj // terms of the GNU General Public License as published by the 8*38fd1498Szrj // Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj // any later version. 10*38fd1498Szrj 11*38fd1498Szrj // This library is distributed in the hope that it will be useful, 12*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj // GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional 17*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version 18*38fd1498Szrj // 3.1, as published by the Free Software Foundation. 19*38fd1498Szrj 20*38fd1498Szrj // You should have received a copy of the GNU General Public License and 21*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program; 22*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*38fd1498Szrj // <http://www.gnu.org/licenses/>. 24*38fd1498Szrj 25*38fd1498Szrj // 26*38fd1498Szrj // ISO C++ 14882: 22.2.4.1.2 collate virtual functions 27*38fd1498Szrj // 28*38fd1498Szrj 29*38fd1498Szrj // Written by Benjamin Kosnik <bkoz@redhat.com> 30*38fd1498Szrj // Modified for DragonFly by John Marino <gnugcc@marino.st> 31*38fd1498Szrj 32*38fd1498Szrj #include <locale> 33*38fd1498Szrj #include <cstring> 34*38fd1498Szrj 35*38fd1498Szrj namespace std _GLIBCXX_VISIBILITY(default) 36*38fd1498Szrj { 37*38fd1498Szrj _GLIBCXX_BEGIN_NAMESPACE_VERSION 38*38fd1498Szrj 39*38fd1498Szrj // These are basically extensions to char_traits, and perhaps should 40*38fd1498Szrj // be put there instead of here. 41*38fd1498Szrj template<> 42*38fd1498Szrj int _M_compare(const char * __one,const char * __two) const43*38fd1498Szrj collate<char>::_M_compare(const char* __one, 44*38fd1498Szrj const char* __two) const throw() 45*38fd1498Szrj { 46*38fd1498Szrj int __cmp = strcoll_l(__one, __two, (locale_t)_M_c_locale_collate); 47*38fd1498Szrj return (__cmp >> (8 * sizeof (int) - 2)) | (__cmp != 0); 48*38fd1498Szrj } 49*38fd1498Szrj 50*38fd1498Szrj template<> 51*38fd1498Szrj size_t _M_transform(char * __to,const char * __from,size_t __n) const52*38fd1498Szrj collate<char>::_M_transform(char* __to, const char* __from, 53*38fd1498Szrj size_t __n) const throw() 54*38fd1498Szrj { return strxfrm_l(__to, __from, __n, (locale_t)_M_c_locale_collate); } 55*38fd1498Szrj 56*38fd1498Szrj #ifdef _GLIBCXX_USE_WCHAR_T 57*38fd1498Szrj template<> 58*38fd1498Szrj int _M_compare(const wchar_t * __one,const wchar_t * __two) const59*38fd1498Szrj collate<wchar_t>::_M_compare(const wchar_t* __one, 60*38fd1498Szrj const wchar_t* __two) const throw() 61*38fd1498Szrj { 62*38fd1498Szrj int __cmp = wcscoll_l(__one, __two, (locale_t)_M_c_locale_collate); 63*38fd1498Szrj return (__cmp >> (8 * sizeof (int) - 2)) | (__cmp != 0); 64*38fd1498Szrj } 65*38fd1498Szrj 66*38fd1498Szrj template<> 67*38fd1498Szrj size_t _M_transform(wchar_t * __to,const wchar_t * __from,size_t __n) const68*38fd1498Szrj collate<wchar_t>::_M_transform(wchar_t* __to, const wchar_t* __from, 69*38fd1498Szrj size_t __n) const throw() 70*38fd1498Szrj { return wcsxfrm_l(__to, __from, __n, (locale_t)_M_c_locale_collate); } 71*38fd1498Szrj #endif 72*38fd1498Szrj 73*38fd1498Szrj _GLIBCXX_END_NAMESPACE_VERSION 74*38fd1498Szrj } // namespace 75