diff options
Diffstat (limited to 'libstdc++-v3/config/locale/generic/collate_members.cc')
| -rw-r--r-- | libstdc++-v3/config/locale/generic/collate_members.cc | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libstdc++-v3/config/locale/generic/collate_members.cc b/libstdc++-v3/config/locale/generic/collate_members.cc new file mode 100644 index 00000000000..93767d93e3b --- /dev/null +++ b/libstdc++-v3/config/locale/generic/collate_members.cc @@ -0,0 +1,72 @@ +// std::collate implementation details, generic version -*- C++ -*- + +// Copyright (C) 2001, 2002 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 2, or (at your option) +// any later version. + +// 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. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +// +// ISO C++ 14882: 22.2.4.1.2 collate virtual functions +// + +// Written by Benjamin Kosnik <bkoz@redhat.com> + +#include <locale> + +namespace std +{ + // 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 + { + int __cmp = strcoll(__one, __two); + return (__cmp >> (8 * sizeof (int) - 2)) | (__cmp != 0); + } + + template<> + size_t + collate<char>::_M_transform(char* __to, const char* __from, + size_t __n) const + { return strxfrm(__to, __from, __n); } + +#ifdef _GLIBCPP_USE_WCHAR_T + template<> + int + collate<wchar_t>::_M_compare(const wchar_t* __one, + const wchar_t* __two) const + { + int __cmp = wcscoll(__one, __two); + return (__cmp >> (8 * sizeof (int) - 2)) | (__cmp != 0); + } + + template<> + size_t + collate<wchar_t>::_M_transform(wchar_t* __to, const wchar_t* __from, + size_t __n) const + { return wcsxfrm(__to, __from, __n); } +#endif +} |