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// 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
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