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// Copyright (C) 1997-2021 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/>.
#define _GLIBCXX_USE_CXX11_ABI 1
#include <clocale>
#include <cstring>
#include <cstdlib> // For free.
#include <cctype>
#include <cwctype> // For towupper, etc.
#include <locale>
#include <ext/concurrence.h>
#if _GLIBCXX_USE_DUAL_ABI
// This file is compiled with the new std::string ABI so std::numpunct<char>
// refers to std::__cxx11::numpunct<char>. These declarations let us refer
// to the other facets instantiated with the old ABI.
# define _GLIBCXX_LOC_ID(mangled) extern std::locale::id mangled
_GLIBCXX_LOC_ID(_ZNSt8numpunctIcE2idE);
_GLIBCXX_LOC_ID(_ZNSt7collateIcE2idE);
_GLIBCXX_LOC_ID(_ZNSt8time_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
_GLIBCXX_LOC_ID(_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
_GLIBCXX_LOC_ID(_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
_GLIBCXX_LOC_ID(_ZNSt10moneypunctIcLb0EE2idE);
_GLIBCXX_LOC_ID(_ZNSt10moneypunctIcLb1EE2idE);
_GLIBCXX_LOC_ID(_ZNSt8messagesIcE2idE);
# ifdef _GLIBCXX_USE_WCHAR_T
_GLIBCXX_LOC_ID(_ZNSt8numpunctIwE2idE);
_GLIBCXX_LOC_ID(_ZNSt7collateIwE2idE);
_GLIBCXX_LOC_ID(_ZNSt8time_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
_GLIBCXX_LOC_ID(_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
_GLIBCXX_LOC_ID(_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
_GLIBCXX_LOC_ID(_ZNSt10moneypunctIwLb0EE2idE);
_GLIBCXX_LOC_ID(_ZNSt10moneypunctIwLb1EE2idE);
_GLIBCXX_LOC_ID(_ZNSt8messagesIwE2idE);
# endif
#endif
namespace
{
const int num_facets = (
_GLIBCXX_NUM_FACETS + _GLIBCXX_NUM_CXX11_FACETS
#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
+ _GLIBCXX_NUM_LBDL_ALT128_FACETS
#endif
)
#ifdef _GLIBCXX_USE_WCHAR_T
* 2
#endif
+ _GLIBCXX_NUM_UNICODE_FACETS;
__gnu_cxx::__mutex&
get_locale_mutex()
{
static __gnu_cxx::__mutex locale_mutex;
return locale_mutex;
}
using namespace std;
typedef char fake_locale_Impl[sizeof(locale::_Impl)]
__attribute__ ((aligned(__alignof__(locale::_Impl))));
fake_locale_Impl c_locale_impl;
typedef char fake_locale[sizeof(locale)]
__attribute__ ((aligned(__alignof__(locale))));
fake_locale c_locale;
typedef char fake_name_vec[sizeof(char*)]
__attribute__ ((aligned(__alignof__(char*))));
fake_name_vec name_vec[6 + _GLIBCXX_NUM_CATEGORIES];
typedef char fake_names[sizeof(char[2])]
__attribute__ ((aligned(__alignof__(char[2]))));
fake_names name_c[6 + _GLIBCXX_NUM_CATEGORIES];
typedef char fake_facet_vec[sizeof(locale::facet*)]
__attribute__ ((aligned(__alignof__(locale::facet*))));
fake_facet_vec facet_vec[num_facets];
typedef char fake_cache_vec[sizeof(locale::facet*)]
__attribute__ ((aligned(__alignof__(locale::facet*))));
fake_cache_vec cache_vec[num_facets];
typedef char fake_ctype_c[sizeof(std::ctype<char>)]
__attribute__ ((aligned(__alignof__(std::ctype<char>))));
fake_ctype_c ctype_c;
typedef char fake_collate_c[sizeof(std::collate<char>)]
__attribute__ ((aligned(__alignof__(std::collate<char>))));
fake_collate_c collate_c;
typedef char fake_numpunct_c[sizeof(numpunct<char>)]
__attribute__ ((aligned(__alignof__(numpunct<char>))));
fake_numpunct_c numpunct_c;
typedef char fake_num_get_c[sizeof(num_get<char>)]
__attribute__ ((aligned(__alignof__(num_get<char>))));
fake_num_get_c num_get_c;
typedef char fake_num_put_c[sizeof(num_put<char>)]
__attribute__ ((aligned(__alignof__(num_put<char>))));
fake_num_put_c num_put_c;
typedef char fake_codecvt_c[sizeof(codecvt<char, char, mbstate_t>)]
__attribute__ ((aligned(__alignof__(codecvt<char, char, mbstate_t>))));
fake_codecvt_c codecvt_c;
typedef char fake_moneypunct_c[sizeof(moneypunct<char, true>)]
__attribute__ ((aligned(__alignof__(moneypunct<char, true>))));
fake_moneypunct_c moneypunct_ct;
fake_moneypunct_c moneypunct_cf;
typedef char fake_money_get_c[sizeof(money_get<char>)]
__attribute__ ((aligned(__alignof__(money_get<char>))));
fake_money_get_c money_get_c;
typedef char fake_money_put_c[sizeof(money_put<char>)]
__attribute__ ((aligned(__alignof__(money_put<char>))));
fake_money_put_c money_put_c;
typedef char fake_timepunct_c[sizeof(__timepunct<char>)]
__attribute__ ((aligned(__alignof__(__timepunct<char>))));
fake_timepunct_c timepunct_c;
typedef char fake_time_get_c[sizeof(time_get<char>)]
__attribute__ ((aligned(__alignof__(time_get<char>))));
fake_time_get_c time_get_c;
typedef char fake_time_put_c[sizeof(time_put<char>)]
__attribute__ ((aligned(__alignof__(time_put<char>))));
fake_time_put_c time_put_c;
typedef char fake_messages_c[sizeof(messages<char>)]
__attribute__ ((aligned(__alignof__(messages<char>))));
fake_messages_c messages_c;
#ifdef _GLIBCXX_USE_WCHAR_T
typedef char fake_wtype_w[sizeof(std::ctype<wchar_t>)]
__attribute__ ((aligned(__alignof__(std::ctype<wchar_t>))));
fake_wtype_w ctype_w;
typedef char fake_wollate_w[sizeof(std::collate<wchar_t>)]
__attribute__ ((aligned(__alignof__(std::collate<wchar_t>))));
fake_wollate_w collate_w;
typedef char fake_numpunct_w[sizeof(numpunct<wchar_t>)]
__attribute__ ((aligned(__alignof__(numpunct<wchar_t>))));
fake_numpunct_w numpunct_w;
typedef char fake_num_get_w[sizeof(num_get<wchar_t>)]
__attribute__ ((aligned(__alignof__(num_get<wchar_t>))));
fake_num_get_w num_get_w;
typedef char fake_num_put_w[sizeof(num_put<wchar_t>)]
__attribute__ ((aligned(__alignof__(num_put<wchar_t>))));
fake_num_put_w num_put_w;
typedef char fake_wodecvt_w[sizeof(codecvt<wchar_t, char, mbstate_t>)]
__attribute__ ((aligned(__alignof__(codecvt<wchar_t, char, mbstate_t>))));
fake_wodecvt_w codecvt_w;
typedef char fake_moneypunct_w[sizeof(moneypunct<wchar_t, true>)]
__attribute__ ((aligned(__alignof__(moneypunct<wchar_t, true>))));
fake_moneypunct_w moneypunct_wt;
fake_moneypunct_w moneypunct_wf;
typedef char fake_money_get_w[sizeof(money_get<wchar_t>)]
__attribute__ ((aligned(__alignof__(money_get<wchar_t>))));
fake_money_get_w money_get_w;
typedef char fake_money_put_w[sizeof(money_put<wchar_t>)]
__attribute__ ((aligned(__alignof__(money_put<wchar_t>))));
fake_money_put_w money_put_w;
typedef char fake_timepunct_w[sizeof(__timepunct<wchar_t>)]
__attribute__ ((aligned(__alignof__(__timepunct<wchar_t>))));
fake_timepunct_w timepunct_w;
typedef char fake_time_get_w[sizeof(time_get<wchar_t>)]
__attribute__ ((aligned(__alignof__(time_get<wchar_t>))));
fake_time_get_w time_get_w;
typedef char fake_time_put_w[sizeof(time_put<wchar_t>)]
__attribute__ ((aligned(__alignof__(time_put<wchar_t>))));
fake_time_put_w time_put_w;
typedef char fake_messages_w[sizeof(messages<wchar_t>)]
__attribute__ ((aligned(__alignof__(messages<wchar_t>))));
fake_messages_w messages_w;
#endif
typedef char fake_codecvt_c16[sizeof(codecvt<char16_t, char, mbstate_t>)]
__attribute__ ((aligned(__alignof__(codecvt<char16_t, char, mbstate_t>))));
fake_codecvt_c16 codecvt_c16;
typedef char fake_codecvt_c32[sizeof(codecvt<char32_t, char, mbstate_t>)]
__attribute__ ((aligned(__alignof__(codecvt<char32_t, char, mbstate_t>))));
fake_codecvt_c32 codecvt_c32;
#ifdef _GLIBCXX_USE_CHAR8_T
typedef char fake_codecvt_c16_c8[sizeof(codecvt<char16_t, char8_t, mbstate_t>)]
__attribute__ ((aligned(__alignof__(codecvt<char16_t, char8_t, mbstate_t>))));
fake_codecvt_c16_c8 codecvt_c16_c8;
typedef char fake_codecvt_c32_c8[sizeof(codecvt<char32_t, char8_t, mbstate_t>)]
__attribute__ ((aligned(__alignof__(codecvt<char32_t, char8_t, mbstate_t>))));
fake_codecvt_c32_c8 codecvt_c32_c8;
#endif
// Storage for "C" locale caches.
typedef char fake_num_cache_c[sizeof(std::__numpunct_cache<char>)]
__attribute__ ((aligned(__alignof__(std::__numpunct_cache<char>))));
fake_num_cache_c numpunct_cache_c;
typedef char fake_money_cache_c[sizeof(std::__moneypunct_cache<char, true>)]
__attribute__ ((aligned(__alignof__(std::__moneypunct_cache<char, true>))));
fake_money_cache_c moneypunct_cache_ct;
fake_money_cache_c moneypunct_cache_cf;
typedef char fake_time_cache_c[sizeof(std::__timepunct_cache<char>)]
__attribute__ ((aligned(__alignof__(std::__timepunct_cache<char>))));
fake_time_cache_c timepunct_cache_c;
#ifdef _GLIBCXX_USE_WCHAR_T
typedef char fake_num_cache_w[sizeof(std::__numpunct_cache<wchar_t>)]
__attribute__ ((aligned(__alignof__(std::__numpunct_cache<wchar_t>))));
fake_num_cache_w numpunct_cache_w;
typedef char fake_money_cache_w[sizeof(std::__moneypunct_cache<wchar_t,true>)]
__attribute__ ((aligned(__alignof__(std::__moneypunct_cache<wchar_t,true>))));
fake_money_cache_w moneypunct_cache_wt;
fake_money_cache_w moneypunct_cache_wf;
typedef char fake_time_cache_w[sizeof(std::__timepunct_cache<wchar_t>)]
__attribute__ ((aligned(__alignof__(std::__timepunct_cache<wchar_t>))));
fake_time_cache_w timepunct_cache_w;
#endif
} // anonymous namespace
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
locale::locale() throw() : _M_impl(0)
{
_S_initialize();
// Checked locking to optimize the common case where _S_global
// still points to _S_classic (locale::_S_initialize_once()):
// - If they are the same, just increment the reference count and
// we are done. This effectively constructs a C locale object
// identical to the static c_locale.
// - Otherwise, _S_global can and may be destroyed due to
// locale::global() call on another thread, in which case we
// fall back to lock protected access to both _S_global and
// its reference count.
_M_impl = _S_global;
if (_M_impl != _S_classic)
{
__gnu_cxx::__scoped_lock sentry(get_locale_mutex());
_S_global->_M_add_reference();
_M_impl = _S_global;
}
}
locale
locale::global(const locale& __other)
{
_S_initialize();
_Impl* __old;
{
__gnu_cxx::__scoped_lock sentry(get_locale_mutex());
__old = _S_global;
if (__other._M_impl != _S_classic)
__other._M_impl->_M_add_reference();
_S_global = __other._M_impl;
const string __other_name = __other.name();
if (__other_name != "*")
setlocale(LC_ALL, __other_name.c_str());
}
// Reference count sanity check: one reference removed for the
// subsition of __other locale, one added by return-by-value. Net
// difference: zero. When the returned locale object's destructor
// is called, then the reference count is decremented and possibly
// destroyed.
return locale(__old);
}
const locale&
locale::classic()
{
_S_initialize();
return *(const locale*)c_locale;
}
void
locale::_S_initialize_once() throw()
{
// 2 references.
// One reference for _S_classic, one for _S_global
_S_classic = new (&c_locale_impl) _Impl(2);
_S_global = _S_classic;
new (&c_locale) locale(_S_classic);
}
void
locale::_S_initialize()
{
#ifdef __GTHREADS
if (__gthread_active_p())
__gthread_once(&_S_once, _S_initialize_once);
#endif
if (!_S_classic)
_S_initialize_once();
}
// Definitions for static const data members of locale::_Impl
const locale::id* const
locale::_Impl::_S_id_ctype[] =
{
&std::ctype<char>::id,
&codecvt<char, char, mbstate_t>::id,
#ifdef _GLIBCXX_USE_WCHAR_T
&std::ctype<wchar_t>::id,
&codecvt<wchar_t, char, mbstate_t>::id,
#endif
#if _GLIBCXX_NUM_UNICODE_FACETS != 0
&codecvt<char16_t, char, mbstate_t>::id,
&codecvt<char32_t, char, mbstate_t>::id,
#ifdef _GLIBCXX_USE_CHAR8_T
&codecvt<char16_t, char8_t, mbstate_t>::id,
&codecvt<char32_t, char8_t, mbstate_t>::id,
#endif
#endif
0
};
const locale::id* const
locale::_Impl::_S_id_numeric[] =
{
&num_get<char>::id,
&num_put<char>::id,
&numpunct<char>::id,
#ifdef _GLIBCXX_USE_WCHAR_T
&num_get<wchar_t>::id,
&num_put<wchar_t>::id,
&numpunct<wchar_t>::id,
#endif
0
};
const locale::id* const
locale::_Impl::_S_id_collate[] =
{
&std::collate<char>::id,
#ifdef _GLIBCXX_USE_WCHAR_T
&std::collate<wchar_t>::id,
#endif
0
};
const locale::id* const
locale::_Impl::_S_id_time[] =
{
&__timepunct<char>::id,
&time_get<char>::id,
&time_put<char>::id,
#ifdef _GLIBCXX_USE_WCHAR_T
&__timepunct<wchar_t>::id,
&time_get<wchar_t>::id,
&time_put<wchar_t>::id,
#endif
0
};
const locale::id* const
locale::_Impl::_S_id_monetary[] =
{
&money_get<char>::id,
&money_put<char>::id,
&moneypunct<char, false>::id,
&moneypunct<char, true >::id,
#ifdef _GLIBCXX_USE_WCHAR_T
&money_get<wchar_t>::id,
&money_put<wchar_t>::id,
&moneypunct<wchar_t, false>::id,
&moneypunct<wchar_t, true >::id,
#endif
0
};
const locale::id* const
locale::_Impl::_S_id_messages[] =
{
&std::messages<char>::id,
#ifdef _GLIBCXX_USE_WCHAR_T
&std::messages<wchar_t>::id,
#endif
0
};
const locale::id* const* const
locale::_Impl::_S_facet_categories[] =
{
// Order must match the decl order in class locale.
locale::_Impl::_S_id_ctype,
locale::_Impl::_S_id_numeric,
locale::_Impl::_S_id_collate,
locale::_Impl::_S_id_time,
locale::_Impl::_S_id_monetary,
locale::_Impl::_S_id_messages,
0
};
#if _GLIBCXX_USE_DUAL_ABI
// Facets that are instantiated for both the COW and SSO std::string ABIs.
// The COW ABI version must come first, followed by its SSO twin.
const locale::id* const locale::_S_twinned_facets[] = {
&::_ZNSt8numpunctIcE2idE,
&numpunct<char>::id,
&::_ZNSt7collateIcE2idE,
&std::collate<char>::id,
&::_ZNSt8time_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE,
&time_get<char>::id,
&::_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE,
&money_get<char>::id,
&::_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE,
&money_put<char>::id,
&::_ZNSt10moneypunctIcLb0EE2idE,
&moneypunct<char, false>::id,
&::_ZNSt10moneypunctIcLb1EE2idE,
&moneypunct<char, true >::id,
&::_ZNSt8messagesIcE2idE,
&std::messages<char>::id,
# ifdef _GLIBCXX_USE_WCHAR_T
&::_ZNSt8numpunctIwE2idE,
&numpunct<wchar_t>::id,
&::_ZNSt7collateIwE2idE,
&std::collate<wchar_t>::id,
&::_ZNSt8time_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE,
&time_get<wchar_t>::id,
&::_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE,
&money_get<wchar_t>::id,
&::_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE,
&money_put<wchar_t>::id,
&::_ZNSt10moneypunctIwLb0EE2idE,
&moneypunct<wchar_t, false>::id,
&::_ZNSt10moneypunctIwLb1EE2idE,
&moneypunct<wchar_t, true >::id,
&::_ZNSt8messagesIwE2idE,
&std::messages<wchar_t>::id,
# endif
0, 0
};
#endif
// Construct "C" _Impl.
locale::_Impl::
_Impl(size_t __refs) throw()
: _M_refcount(__refs), _M_facets(0), _M_facets_size(num_facets),
_M_caches(0), _M_names(0)
{
_M_facets = new (&facet_vec) const facet*[_M_facets_size]();
_M_caches = new (&cache_vec) const facet*[_M_facets_size]();
// Name the categories.
_M_names = new (&name_vec) char*[_S_categories_size]();
_M_names[0] = new (&name_c[0]) char[2];
std::memcpy(_M_names[0], locale::facet::_S_get_c_name(), 2);
// This is needed as presently the C++ version of "C" locales
// != data in the underlying locale model for __timepunct,
// numpunct, and moneypunct. Also, the "C" locales must be
// constructed in a way such that they are pre-allocated.
// NB: Set locale::facets(ref) count to one so that each individual
// facet is not destroyed when the locale (and thus locale::_Impl) is
// destroyed.
_M_init_facet(new (&ctype_c) std::ctype<char>(0, false, 1));
_M_init_facet(new (&codecvt_c) codecvt<char, char, mbstate_t>(1));
typedef __numpunct_cache<char> num_cache_c;
num_cache_c* __npc = new (&numpunct_cache_c) num_cache_c(2);
_M_init_facet(new (&numpunct_c) numpunct<char>(__npc, 1));
_M_init_facet(new (&num_get_c) num_get<char>(1));
_M_init_facet(new (&num_put_c) num_put<char>(1));
_M_init_facet(new (&collate_c) std::collate<char>(1));
typedef __moneypunct_cache<char, false> money_cache_cf;
typedef __moneypunct_cache<char, true> money_cache_ct;
money_cache_cf* __mpcf = new (&moneypunct_cache_cf) money_cache_cf(2);
_M_init_facet(new (&moneypunct_cf) moneypunct<char, false>(__mpcf, 1));
money_cache_ct* __mpct = new (&moneypunct_cache_ct) money_cache_ct(2);
_M_init_facet(new (&moneypunct_ct) moneypunct<char, true>(__mpct, 1));
_M_init_facet(new (&money_get_c) money_get<char>(1));
_M_init_facet(new (&money_put_c) money_put<char>(1));
typedef __timepunct_cache<char> time_cache_c;
time_cache_c* __tpc = new (&timepunct_cache_c) time_cache_c(2);
_M_init_facet(new (&timepunct_c) __timepunct<char>(__tpc, 1));
_M_init_facet(new (&time_get_c) time_get<char>(1));
_M_init_facet(new (&time_put_c) time_put<char>(1));
_M_init_facet(new (&messages_c) std::messages<char>(1));
#ifdef _GLIBCXX_USE_WCHAR_T
_M_init_facet(new (&ctype_w) std::ctype<wchar_t>(1));
_M_init_facet(new (&codecvt_w) codecvt<wchar_t, char, mbstate_t>(1));
typedef __numpunct_cache<wchar_t> num_cache_w;
num_cache_w* __npw = new (&numpunct_cache_w) num_cache_w(2);
_M_init_facet(new (&numpunct_w) numpunct<wchar_t>(__npw, 1));
_M_init_facet(new (&num_get_w) num_get<wchar_t>(1));
_M_init_facet(new (&num_put_w) num_put<wchar_t>(1));
_M_init_facet(new (&collate_w) std::collate<wchar_t>(1));
typedef __moneypunct_cache<wchar_t, false> money_cache_wf;
typedef __moneypunct_cache<wchar_t, true> money_cache_wt;
money_cache_wf* __mpwf = new (&moneypunct_cache_wf) money_cache_wf(2);
_M_init_facet(new (&moneypunct_wf) moneypunct<wchar_t, false>(__mpwf, 1));
money_cache_wt* __mpwt = new (&moneypunct_cache_wt) money_cache_wt(2);
_M_init_facet(new (&moneypunct_wt) moneypunct<wchar_t, true>(__mpwt, 1));
_M_init_facet(new (&money_get_w) money_get<wchar_t>(1));
_M_init_facet(new (&money_put_w) money_put<wchar_t>(1));
typedef __timepunct_cache<wchar_t> time_cache_w;
time_cache_w* __tpw = new (&timepunct_cache_w) time_cache_w(2);
_M_init_facet(new (&timepunct_w) __timepunct<wchar_t>(__tpw, 1));
_M_init_facet(new (&time_get_w) time_get<wchar_t>(1));
_M_init_facet(new (&time_put_w) time_put<wchar_t>(1));
_M_init_facet(new (&messages_w) std::messages<wchar_t>(1));
#endif
#if _GLIBCXX_NUM_UNICODE_FACETS != 0
_M_init_facet(new (&codecvt_c16) codecvt<char16_t, char, mbstate_t>(1));
_M_init_facet(new (&codecvt_c32) codecvt<char32_t, char, mbstate_t>(1));
#ifdef _GLIBCXX_USE_CHAR8_T
_M_init_facet(new (&codecvt_c16_c8) codecvt<char16_t, char8_t, mbstate_t>(1));
_M_init_facet(new (&codecvt_c32_c8) codecvt<char32_t, char8_t, mbstate_t>(1));
#endif
#endif
#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
_M_init_extra_ldbl128(true);
#endif
#if _GLIBCXX_USE_DUAL_ABI
facet* extra[] = { __npc, __mpcf, __mpct
# ifdef _GLIBCXX_USE_WCHAR_T
, __npw, __mpwf, __mpwt
# endif
};
// This call must be after creating all facets, as it sets caches.
_M_init_extra(extra);
#endif
// This locale is safe to pre-cache, after all the facets have
// been created and installed.
_M_caches[numpunct<char>::id._M_id()] = __npc;
_M_caches[moneypunct<char, false>::id._M_id()] = __mpcf;
_M_caches[moneypunct<char, true>::id._M_id()] = __mpct;
_M_caches[__timepunct<char>::id._M_id()] = __tpc;
#ifdef _GLIBCXX_USE_WCHAR_T
_M_caches[numpunct<wchar_t>::id._M_id()] = __npw;
_M_caches[moneypunct<wchar_t, false>::id._M_id()] = __mpwf;
_M_caches[moneypunct<wchar_t, true>::id._M_id()] = __mpwt;
_M_caches[__timepunct<wchar_t>::id._M_id()] = __tpw;
#endif
}
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace