diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/config/locale/generic/collate_members.cc')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/config/locale/generic/collate_members.cc | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/config/locale/generic/collate_members.cc b/gcc-4.4.3/libstdc++-v3/config/locale/generic/collate_members.cc new file mode 100644 index 000000000..be3ee644a --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/config/locale/generic/collate_members.cc @@ -0,0 +1,70 @@ +// std::collate implementation details, generic version -*- C++ -*- + +// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 +// 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. + +// 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. + +// 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. + +// 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/>. + +// +// ISO C++ 14882: 22.2.4.1.2 collate virtual functions +// + +// Written by Benjamin Kosnik <bkoz@redhat.com> + +#include <locale> +#include <cstring> + +_GLIBCXX_BEGIN_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 _GLIBCXX_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 + +_GLIBCXX_END_NAMESPACE |