diff options
Diffstat (limited to 'libstdc++-v3/config/locale/gnu/c_locale.cc')
| -rw-r--r-- | libstdc++-v3/config/locale/gnu/c_locale.cc | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/libstdc++-v3/config/locale/gnu/c_locale.cc b/libstdc++-v3/config/locale/gnu/c_locale.cc new file mode 100644 index 000000000..adfeb6219 --- /dev/null +++ b/libstdc++-v3/config/locale/gnu/c_locale.cc @@ -0,0 +1,214 @@ +// Wrapper for underlying C-language localization -*- C++ -*- + +// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 +// 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: 22.8 Standard locale categories. +// + +// Written by Benjamin Kosnik <bkoz@redhat.com> + +#include <locale> +#include <stdexcept> +#include <limits> +#include <langinfo.h> +#include <bits/c++locale_internal.h> + +namespace std _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + template<> + void + __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err, + const __c_locale& __cloc) throw() + { + char* __sanity; + __v = __strtof_l(__s, &__sanity, __cloc); + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 23. Num_get overflow result. + if (__sanity == __s || *__sanity != '\0') + { + __v = 0.0f; + __err = ios_base::failbit; + } + else if (__v == numeric_limits<float>::infinity()) + { + __v = numeric_limits<float>::max(); + __err = ios_base::failbit; + } + else if (__v == -numeric_limits<float>::infinity()) + { + __v = -numeric_limits<float>::max(); + __err = ios_base::failbit; + } + } + + template<> + void + __convert_to_v(const char* __s, double& __v, ios_base::iostate& __err, + const __c_locale& __cloc) throw() + { + char* __sanity; + __v = __strtod_l(__s, &__sanity, __cloc); + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 23. Num_get overflow result. + if (__sanity == __s || *__sanity != '\0') + { + __v = 0.0; + __err = ios_base::failbit; + } + else if (__v == numeric_limits<double>::infinity()) + { + __v = numeric_limits<double>::max(); + __err = ios_base::failbit; + } + else if (__v == -numeric_limits<double>::infinity()) + { + __v = -numeric_limits<double>::max(); + __err = ios_base::failbit; + } + } + + template<> + void + __convert_to_v(const char* __s, long double& __v, ios_base::iostate& __err, + const __c_locale& __cloc) throw() + { + char* __sanity; +#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) + // Prefer strtold_l, as __strtold_l isn't prototyped in more recent + // glibc versions. + __v = strtold_l(__s, &__sanity, __cloc); +#else + __v = __strtold_l(__s, &__sanity, __cloc); +#endif + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 23. Num_get overflow result. + if (__sanity == __s || *__sanity != '\0') + { + __v = 0.0l; + __err = ios_base::failbit; + } + else if (__v == numeric_limits<long double>::infinity()) + { + __v = numeric_limits<long double>::max(); + __err = ios_base::failbit; + } + else if (__v == -numeric_limits<long double>::infinity()) + { + __v = -numeric_limits<long double>::max(); + __err = ios_base::failbit; + } + } + + void + locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s, + __c_locale __old) + { + __cloc = __newlocale(1 << LC_ALL, __s, __old); + if (!__cloc) + { + // This named locale is not supported by the underlying OS. + __throw_runtime_error(__N("locale::facet::_S_create_c_locale " + "name not valid")); + } + } + + void + locale::facet::_S_destroy_c_locale(__c_locale& __cloc) + { + if (__cloc && _S_get_c_locale() != __cloc) + __freelocale(__cloc); + } + + __c_locale + locale::facet::_S_clone_c_locale(__c_locale& __cloc) throw() + { return __duplocale(__cloc); } + + __c_locale + locale::facet::_S_lc_ctype_c_locale(__c_locale __cloc, const char* __s) + { + __c_locale __dup = __duplocale(__cloc); + if (__dup == __c_locale(0)) + __throw_runtime_error(__N("locale::facet::_S_lc_ctype_c_locale " + "duplocale error")); +#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) + __c_locale __changed = __newlocale(LC_CTYPE_MASK, __s, __dup); +#else + __c_locale __changed = __newlocale(1 << LC_CTYPE, __s, __dup); +#endif + if (__changed == __c_locale(0)) + { + __freelocale(__dup); + __throw_runtime_error(__N("locale::facet::_S_lc_ctype_c_locale " + "newlocale error")); + } + return __changed; + } + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + const char* const category_names[6 + _GLIBCXX_NUM_CATEGORIES] = + { + "LC_CTYPE", + "LC_NUMERIC", + "LC_TIME", + "LC_COLLATE", + "LC_MONETARY", + "LC_MESSAGES", + "LC_PAPER", + "LC_NAME", + "LC_ADDRESS", + "LC_TELEPHONE", + "LC_MEASUREMENT", + "LC_IDENTIFICATION" + }; + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +namespace std _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + const char* const* const locale::_S_categories = __gnu_cxx::category_names; + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +// XXX GLIBCXX_ABI Deprecated +#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT +#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \ + extern "C" void ldbl (void) __attribute__ ((alias (#dbl))) +_GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct); +#endif // _GLIBCXX_LONG_DOUBLE_COMPAT |