1 // Copyright (C) 1997-2018 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // Under Section 7 of GPL version 3, you are granted additional
15 // permissions described in the GCC Runtime Library Exception, version
16 // 3.1, as published by the Free Software Foundation.
18 // You should have received a copy of the GNU General Public License and
19 // a copy of the GCC Runtime Library Exception along with this program;
20 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
21 // <http://www.gnu.org/licenses/>.
23 #define _GLIBCXX_USE_CXX11_ABI 1
26 #include <cstdlib> // For free.
28 #include <cwctype> // For towupper, etc.
30 #include <ext/concurrence.h>
32 #if _GLIBCXX_USE_DUAL_ABI
33 // This file is compiled with the new std::string ABI so std::numpunct<char>
34 // refers to std::__cxx11::numpunct<char>. These declarations let us refer
35 // to the other facets instantiated with the old ABI.
36 # define _GLIBCXX_LOC_ID(mangled) extern std::locale::id mangled
37 _GLIBCXX_LOC_ID(_ZNSt8numpunctIcE2idE
);
38 _GLIBCXX_LOC_ID(_ZNSt7collateIcE2idE
);
39 _GLIBCXX_LOC_ID(_ZNSt8time_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE
);
40 _GLIBCXX_LOC_ID(_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE
);
41 _GLIBCXX_LOC_ID(_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE
);
42 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIcLb0EE2idE
);
43 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIcLb1EE2idE
);
44 _GLIBCXX_LOC_ID(_ZNSt8messagesIcE2idE
);
45 # ifdef _GLIBCXX_USE_WCHAR_T
46 _GLIBCXX_LOC_ID(_ZNSt8numpunctIwE2idE
);
47 _GLIBCXX_LOC_ID(_ZNSt7collateIwE2idE
);
48 _GLIBCXX_LOC_ID(_ZNSt8time_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE
);
49 _GLIBCXX_LOC_ID(_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE
);
50 _GLIBCXX_LOC_ID(_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE
);
51 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIwLb0EE2idE
);
52 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIwLb1EE2idE
);
53 _GLIBCXX_LOC_ID(_ZNSt8messagesIwE2idE
);
60 const int num_facets
= _GLIBCXX_NUM_FACETS
+ _GLIBCXX_NUM_UNICODE_FACETS
61 + (_GLIBCXX_USE_DUAL_ABI
? _GLIBCXX_NUM_CXX11_FACETS
: 0);
66 static __gnu_cxx::__mutex locale_mutex
;
72 typedef char fake_locale_Impl
[sizeof(locale::_Impl
)]
73 __attribute__ ((aligned(__alignof__(locale::_Impl
))));
74 fake_locale_Impl c_locale_impl
;
76 typedef char fake_locale
[sizeof(locale
)]
77 __attribute__ ((aligned(__alignof__(locale
))));
80 typedef char fake_name_vec
[sizeof(char*)]
81 __attribute__ ((aligned(__alignof__(char*))));
82 fake_name_vec name_vec
[6 + _GLIBCXX_NUM_CATEGORIES
];
84 typedef char fake_names
[sizeof(char[2])]
85 __attribute__ ((aligned(__alignof__(char[2]))));
86 fake_names name_c
[6 + _GLIBCXX_NUM_CATEGORIES
];
88 typedef char fake_facet_vec
[sizeof(locale::facet
*)]
89 __attribute__ ((aligned(__alignof__(locale::facet
*))));
90 fake_facet_vec facet_vec
[num_facets
];
92 typedef char fake_cache_vec
[sizeof(locale::facet
*)]
93 __attribute__ ((aligned(__alignof__(locale::facet
*))));
94 fake_cache_vec cache_vec
[num_facets
];
96 typedef char fake_ctype_c
[sizeof(std::ctype
<char>)]
97 __attribute__ ((aligned(__alignof__(std::ctype
<char>))));
100 typedef char fake_collate_c
[sizeof(std::collate
<char>)]
101 __attribute__ ((aligned(__alignof__(std::collate
<char>))));
102 fake_collate_c collate_c
;
104 typedef char fake_numpunct_c
[sizeof(numpunct
<char>)]
105 __attribute__ ((aligned(__alignof__(numpunct
<char>))));
106 fake_numpunct_c numpunct_c
;
108 typedef char fake_num_get_c
[sizeof(num_get
<char>)]
109 __attribute__ ((aligned(__alignof__(num_get
<char>))));
110 fake_num_get_c num_get_c
;
112 typedef char fake_num_put_c
[sizeof(num_put
<char>)]
113 __attribute__ ((aligned(__alignof__(num_put
<char>))));
114 fake_num_put_c num_put_c
;
116 typedef char fake_codecvt_c
[sizeof(codecvt
<char, char, mbstate_t>)]
117 __attribute__ ((aligned(__alignof__(codecvt
<char, char, mbstate_t>))));
118 fake_codecvt_c codecvt_c
;
120 typedef char fake_moneypunct_c
[sizeof(moneypunct
<char, true>)]
121 __attribute__ ((aligned(__alignof__(moneypunct
<char, true>))));
122 fake_moneypunct_c moneypunct_ct
;
123 fake_moneypunct_c moneypunct_cf
;
125 typedef char fake_money_get_c
[sizeof(money_get
<char>)]
126 __attribute__ ((aligned(__alignof__(money_get
<char>))));
127 fake_money_get_c money_get_c
;
129 typedef char fake_money_put_c
[sizeof(money_put
<char>)]
130 __attribute__ ((aligned(__alignof__(money_put
<char>))));
131 fake_money_put_c money_put_c
;
133 typedef char fake_timepunct_c
[sizeof(__timepunct
<char>)]
134 __attribute__ ((aligned(__alignof__(__timepunct
<char>))));
135 fake_timepunct_c timepunct_c
;
137 typedef char fake_time_get_c
[sizeof(time_get
<char>)]
138 __attribute__ ((aligned(__alignof__(time_get
<char>))));
139 fake_time_get_c time_get_c
;
141 typedef char fake_time_put_c
[sizeof(time_put
<char>)]
142 __attribute__ ((aligned(__alignof__(time_put
<char>))));
143 fake_time_put_c time_put_c
;
145 typedef char fake_messages_c
[sizeof(messages
<char>)]
146 __attribute__ ((aligned(__alignof__(messages
<char>))));
147 fake_messages_c messages_c
;
149 #ifdef _GLIBCXX_USE_WCHAR_T
150 typedef char fake_wtype_w
[sizeof(std::ctype
<wchar_t>)]
151 __attribute__ ((aligned(__alignof__(std::ctype
<wchar_t>))));
152 fake_wtype_w ctype_w
;
154 typedef char fake_wollate_w
[sizeof(std::collate
<wchar_t>)]
155 __attribute__ ((aligned(__alignof__(std::collate
<wchar_t>))));
156 fake_wollate_w collate_w
;
158 typedef char fake_numpunct_w
[sizeof(numpunct
<wchar_t>)]
159 __attribute__ ((aligned(__alignof__(numpunct
<wchar_t>))));
160 fake_numpunct_w numpunct_w
;
162 typedef char fake_num_get_w
[sizeof(num_get
<wchar_t>)]
163 __attribute__ ((aligned(__alignof__(num_get
<wchar_t>))));
164 fake_num_get_w num_get_w
;
166 typedef char fake_num_put_w
[sizeof(num_put
<wchar_t>)]
167 __attribute__ ((aligned(__alignof__(num_put
<wchar_t>))));
168 fake_num_put_w num_put_w
;
170 typedef char fake_wodecvt_w
[sizeof(codecvt
<wchar_t, char, mbstate_t>)]
171 __attribute__ ((aligned(__alignof__(codecvt
<wchar_t, char, mbstate_t>))));
172 fake_wodecvt_w codecvt_w
;
174 typedef char fake_moneypunct_w
[sizeof(moneypunct
<wchar_t, true>)]
175 __attribute__ ((aligned(__alignof__(moneypunct
<wchar_t, true>))));
176 fake_moneypunct_w moneypunct_wt
;
177 fake_moneypunct_w moneypunct_wf
;
179 typedef char fake_money_get_w
[sizeof(money_get
<wchar_t>)]
180 __attribute__ ((aligned(__alignof__(money_get
<wchar_t>))));
181 fake_money_get_w money_get_w
;
183 typedef char fake_money_put_w
[sizeof(money_put
<wchar_t>)]
184 __attribute__ ((aligned(__alignof__(money_put
<wchar_t>))));
185 fake_money_put_w money_put_w
;
187 typedef char fake_timepunct_w
[sizeof(__timepunct
<wchar_t>)]
188 __attribute__ ((aligned(__alignof__(__timepunct
<wchar_t>))));
189 fake_timepunct_w timepunct_w
;
191 typedef char fake_time_get_w
[sizeof(time_get
<wchar_t>)]
192 __attribute__ ((aligned(__alignof__(time_get
<wchar_t>))));
193 fake_time_get_w time_get_w
;
195 typedef char fake_time_put_w
[sizeof(time_put
<wchar_t>)]
196 __attribute__ ((aligned(__alignof__(time_put
<wchar_t>))));
197 fake_time_put_w time_put_w
;
199 typedef char fake_messages_w
[sizeof(messages
<wchar_t>)]
200 __attribute__ ((aligned(__alignof__(messages
<wchar_t>))));
201 fake_messages_w messages_w
;
204 typedef char fake_codecvt_c16
[sizeof(codecvt
<char16_t
, char, mbstate_t>)]
205 __attribute__ ((aligned(__alignof__(codecvt
<char16_t
, char, mbstate_t>))));
206 fake_codecvt_c16 codecvt_c16
;
208 typedef char fake_codecvt_c32
[sizeof(codecvt
<char32_t
, char, mbstate_t>)]
209 __attribute__ ((aligned(__alignof__(codecvt
<char32_t
, char, mbstate_t>))));
210 fake_codecvt_c32 codecvt_c32
;
212 // Storage for "C" locale caches.
213 typedef char fake_num_cache_c
[sizeof(std::__numpunct_cache
<char>)]
214 __attribute__ ((aligned(__alignof__(std::__numpunct_cache
<char>))));
215 fake_num_cache_c numpunct_cache_c
;
217 typedef char fake_money_cache_c
[sizeof(std::__moneypunct_cache
<char, true>)]
218 __attribute__ ((aligned(__alignof__(std::__moneypunct_cache
<char, true>))));
219 fake_money_cache_c moneypunct_cache_ct
;
220 fake_money_cache_c moneypunct_cache_cf
;
222 typedef char fake_time_cache_c
[sizeof(std::__timepunct_cache
<char>)]
223 __attribute__ ((aligned(__alignof__(std::__timepunct_cache
<char>))));
224 fake_time_cache_c timepunct_cache_c
;
226 #ifdef _GLIBCXX_USE_WCHAR_T
227 typedef char fake_num_cache_w
[sizeof(std::__numpunct_cache
<wchar_t>)]
228 __attribute__ ((aligned(__alignof__(std::__numpunct_cache
<wchar_t>))));
229 fake_num_cache_w numpunct_cache_w
;
231 typedef char fake_money_cache_w
[sizeof(std::__moneypunct_cache
<wchar_t,true>)]
232 __attribute__ ((aligned(__alignof__(std::__moneypunct_cache
<wchar_t,true>))));
233 fake_money_cache_w moneypunct_cache_wt
;
234 fake_money_cache_w moneypunct_cache_wf
;
236 typedef char fake_time_cache_w
[sizeof(std::__timepunct_cache
<wchar_t>)]
237 __attribute__ ((aligned(__alignof__(std::__timepunct_cache
<wchar_t>))));
238 fake_time_cache_w timepunct_cache_w
;
240 } // anonymous namespace
242 namespace std
_GLIBCXX_VISIBILITY(default)
244 _GLIBCXX_BEGIN_NAMESPACE_VERSION
246 locale::locale() throw() : _M_impl(0)
250 // Checked locking to optimize the common case where _S_global
251 // still points to _S_classic (locale::_S_initialize_once()):
252 // - If they are the same, just increment the reference count and
253 // we are done. This effectively constructs a C locale object
254 // identical to the static c_locale.
255 // - Otherwise, _S_global can and may be destroyed due to
256 // locale::global() call on another thread, in which case we
257 // fall back to lock protected access to both _S_global and
258 // its reference count.
260 if (_M_impl
== _S_classic
)
261 _M_impl
->_M_add_reference();
264 __gnu_cxx::__scoped_lock
sentry(get_locale_mutex());
265 _S_global
->_M_add_reference();
271 locale::global(const locale
& __other
)
276 __gnu_cxx::__scoped_lock
sentry(get_locale_mutex());
278 __other
._M_impl
->_M_add_reference();
279 _S_global
= __other
._M_impl
;
280 const string __other_name
= __other
.name();
281 if (__other_name
!= "*")
282 setlocale(LC_ALL
, __other_name
.c_str());
285 // Reference count sanity check: one reference removed for the
286 // subsition of __other locale, one added by return-by-value. Net
287 // difference: zero. When the returned locale object's destrutor
288 // is called, then the reference count is decremented and possibly
290 return locale(__old
);
297 return *(new (&c_locale
) locale(_S_classic
));
301 locale::_S_initialize_once() throw()
304 // One reference for _S_classic, one for _S_global
305 _S_classic
= new (&c_locale_impl
) _Impl(2);
306 _S_global
= _S_classic
;
310 locale::_S_initialize()
313 if (__gthread_active_p())
314 __gthread_once(&_S_once
, _S_initialize_once
);
317 _S_initialize_once();
320 // Definitions for static const data members of locale::_Impl
321 const locale::id
* const
322 locale::_Impl::_S_id_ctype
[] =
324 &std::ctype
<char>::id
,
325 &codecvt
<char, char, mbstate_t>::id
,
326 #ifdef _GLIBCXX_USE_WCHAR_T
327 &std::ctype
<wchar_t>::id
,
328 &codecvt
<wchar_t, char, mbstate_t>::id
,
330 #if _GLIBCXX_NUM_UNICODE_FACETS != 0
331 &codecvt
<char16_t
, char, mbstate_t>::id
,
332 &codecvt
<char32_t
, char, mbstate_t>::id
,
337 const locale::id
* const
338 locale::_Impl::_S_id_numeric
[] =
343 #ifdef _GLIBCXX_USE_WCHAR_T
344 &num_get
<wchar_t>::id
,
345 &num_put
<wchar_t>::id
,
346 &numpunct
<wchar_t>::id
,
351 const locale::id
* const
352 locale::_Impl::_S_id_collate
[] =
354 &std::collate
<char>::id
,
355 #ifdef _GLIBCXX_USE_WCHAR_T
356 &std::collate
<wchar_t>::id
,
361 const locale::id
* const
362 locale::_Impl::_S_id_time
[] =
364 &__timepunct
<char>::id
,
367 #ifdef _GLIBCXX_USE_WCHAR_T
368 &__timepunct
<wchar_t>::id
,
369 &time_get
<wchar_t>::id
,
370 &time_put
<wchar_t>::id
,
375 const locale::id
* const
376 locale::_Impl::_S_id_monetary
[] =
378 &money_get
<char>::id
,
379 &money_put
<char>::id
,
380 &moneypunct
<char, false>::id
,
381 &moneypunct
<char, true >::id
,
382 #ifdef _GLIBCXX_USE_WCHAR_T
383 &money_get
<wchar_t>::id
,
384 &money_put
<wchar_t>::id
,
385 &moneypunct
<wchar_t, false>::id
,
386 &moneypunct
<wchar_t, true >::id
,
391 const locale::id
* const
392 locale::_Impl::_S_id_messages
[] =
394 &std::messages
<char>::id
,
395 #ifdef _GLIBCXX_USE_WCHAR_T
396 &std::messages
<wchar_t>::id
,
401 const locale::id
* const* const
402 locale::_Impl::_S_facet_categories
[] =
404 // Order must match the decl order in class locale.
405 locale::_Impl::_S_id_ctype
,
406 locale::_Impl::_S_id_numeric
,
407 locale::_Impl::_S_id_collate
,
408 locale::_Impl::_S_id_time
,
409 locale::_Impl::_S_id_monetary
,
410 locale::_Impl::_S_id_messages
,
414 #if _GLIBCXX_USE_DUAL_ABI
415 // Facets that are instantiated for both the COW and SSO std::string ABIs.
416 // The COW ABI version must come first, followed by its SSO twin.
417 const locale::id
* const locale::_S_twinned_facets
[] = {
418 &::_ZNSt8numpunctIcE2idE
,
420 &::_ZNSt7collateIcE2idE
,
421 &std::collate
<char>::id
,
422 &::_ZNSt8time_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE
,
424 &::_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE
,
425 &money_get
<char>::id
,
426 &::_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE
,
427 &money_put
<char>::id
,
428 &::_ZNSt10moneypunctIcLb0EE2idE
,
429 &moneypunct
<char, false>::id
,
430 &::_ZNSt10moneypunctIcLb1EE2idE
,
431 &moneypunct
<char, true >::id
,
432 &::_ZNSt8messagesIcE2idE
,
433 &std::messages
<char>::id
,
434 # ifdef _GLIBCXX_USE_WCHAR_T
435 &::_ZNSt8numpunctIwE2idE
,
436 &numpunct
<wchar_t>::id
,
437 &::_ZNSt7collateIwE2idE
,
438 &std::collate
<wchar_t>::id
,
439 &::_ZNSt8time_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE
,
440 &time_get
<wchar_t>::id
,
441 &::_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE
,
442 &money_get
<wchar_t>::id
,
443 &::_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE
,
444 &money_put
<wchar_t>::id
,
445 &::_ZNSt10moneypunctIwLb0EE2idE
,
446 &moneypunct
<wchar_t, false>::id
,
447 &::_ZNSt10moneypunctIwLb1EE2idE
,
448 &moneypunct
<wchar_t, true >::id
,
449 &::_ZNSt8messagesIwE2idE
,
450 &std::messages
<wchar_t>::id
,
456 // Construct "C" _Impl.
458 _Impl(size_t __refs
) throw()
459 : _M_refcount(__refs
), _M_facets(0), _M_facets_size(num_facets
),
460 _M_caches(0), _M_names(0)
462 _M_facets
= new (&facet_vec
) const facet
*[_M_facets_size
]();
463 _M_caches
= new (&cache_vec
) const facet
*[_M_facets_size
]();
465 // Name the categories.
466 _M_names
= new (&name_vec
) char*[_S_categories_size
]();
467 _M_names
[0] = new (&name_c
[0]) char[2];
468 std::memcpy(_M_names
[0], locale::facet::_S_get_c_name(), 2);
470 // This is needed as presently the C++ version of "C" locales
471 // != data in the underlying locale model for __timepunct,
472 // numpunct, and moneypunct. Also, the "C" locales must be
473 // constructed in a way such that they are pre-allocated.
474 // NB: Set locale::facets(ref) count to one so that each individual
475 // facet is not destroyed when the locale (and thus locale::_Impl) is
477 _M_init_facet(new (&ctype_c
) std::ctype
<char>(0, false, 1));
478 _M_init_facet(new (&codecvt_c
) codecvt
<char, char, mbstate_t>(1));
480 typedef __numpunct_cache
<char> num_cache_c
;
481 num_cache_c
* __npc
= new (&numpunct_cache_c
) num_cache_c(2);
482 _M_init_facet(new (&numpunct_c
) numpunct
<char>(__npc
, 1));
484 _M_init_facet(new (&num_get_c
) num_get
<char>(1));
485 _M_init_facet(new (&num_put_c
) num_put
<char>(1));
486 _M_init_facet(new (&collate_c
) std::collate
<char>(1));
488 typedef __moneypunct_cache
<char, false> money_cache_cf
;
489 typedef __moneypunct_cache
<char, true> money_cache_ct
;
490 money_cache_cf
* __mpcf
= new (&moneypunct_cache_cf
) money_cache_cf(2);
491 _M_init_facet(new (&moneypunct_cf
) moneypunct
<char, false>(__mpcf
, 1));
492 money_cache_ct
* __mpct
= new (&moneypunct_cache_ct
) money_cache_ct(2);
493 _M_init_facet(new (&moneypunct_ct
) moneypunct
<char, true>(__mpct
, 1));
495 _M_init_facet(new (&money_get_c
) money_get
<char>(1));
496 _M_init_facet(new (&money_put_c
) money_put
<char>(1));
498 typedef __timepunct_cache
<char> time_cache_c
;
499 time_cache_c
* __tpc
= new (&timepunct_cache_c
) time_cache_c(2);
500 _M_init_facet(new (&timepunct_c
) __timepunct
<char>(__tpc
, 1));
502 _M_init_facet(new (&time_get_c
) time_get
<char>(1));
503 _M_init_facet(new (&time_put_c
) time_put
<char>(1));
504 _M_init_facet(new (&messages_c
) std::messages
<char>(1));
506 #ifdef _GLIBCXX_USE_WCHAR_T
507 _M_init_facet(new (&ctype_w
) std::ctype
<wchar_t>(1));
508 _M_init_facet(new (&codecvt_w
) codecvt
<wchar_t, char, mbstate_t>(1));
510 typedef __numpunct_cache
<wchar_t> num_cache_w
;
511 num_cache_w
* __npw
= new (&numpunct_cache_w
) num_cache_w(2);
512 _M_init_facet(new (&numpunct_w
) numpunct
<wchar_t>(__npw
, 1));
514 _M_init_facet(new (&num_get_w
) num_get
<wchar_t>(1));
515 _M_init_facet(new (&num_put_w
) num_put
<wchar_t>(1));
516 _M_init_facet(new (&collate_w
) std::collate
<wchar_t>(1));
518 typedef __moneypunct_cache
<wchar_t, false> money_cache_wf
;
519 typedef __moneypunct_cache
<wchar_t, true> money_cache_wt
;
520 money_cache_wf
* __mpwf
= new (&moneypunct_cache_wf
) money_cache_wf(2);
521 _M_init_facet(new (&moneypunct_wf
) moneypunct
<wchar_t, false>(__mpwf
, 1));
522 money_cache_wt
* __mpwt
= new (&moneypunct_cache_wt
) money_cache_wt(2);
523 _M_init_facet(new (&moneypunct_wt
) moneypunct
<wchar_t, true>(__mpwt
, 1));
525 _M_init_facet(new (&money_get_w
) money_get
<wchar_t>(1));
526 _M_init_facet(new (&money_put_w
) money_put
<wchar_t>(1));
528 typedef __timepunct_cache
<wchar_t> time_cache_w
;
529 time_cache_w
* __tpw
= new (&timepunct_cache_w
) time_cache_w(2);
530 _M_init_facet(new (&timepunct_w
) __timepunct
<wchar_t>(__tpw
, 1));
532 _M_init_facet(new (&time_get_w
) time_get
<wchar_t>(1));
533 _M_init_facet(new (&time_put_w
) time_put
<wchar_t>(1));
534 _M_init_facet(new (&messages_w
) std::messages
<wchar_t>(1));
537 #if _GLIBCXX_NUM_UNICODE_FACETS != 0
538 _M_init_facet(new (&codecvt_c16
) codecvt
<char16_t
, char, mbstate_t>(1));
539 _M_init_facet(new (&codecvt_c32
) codecvt
<char32_t
, char, mbstate_t>(1));
542 #if _GLIBCXX_USE_DUAL_ABI
543 facet
* extra
[] = { __npc
, __mpcf
, __mpct
544 # ifdef _GLIBCXX_USE_WCHAR_T
545 , __npw
, __mpwf
, __mpwt
549 _M_init_extra(extra
);
552 // This locale is safe to pre-cache, after all the facets have
553 // been created and installed.
554 _M_caches
[numpunct
<char>::id
._M_id()] = __npc
;
555 _M_caches
[moneypunct
<char, false>::id
._M_id()] = __mpcf
;
556 _M_caches
[moneypunct
<char, true>::id
._M_id()] = __mpct
;
557 _M_caches
[__timepunct
<char>::id
._M_id()] = __tpc
;
558 #ifdef _GLIBCXX_USE_WCHAR_T
559 _M_caches
[numpunct
<wchar_t>::id
._M_id()] = __npw
;
560 _M_caches
[moneypunct
<wchar_t, false>::id
._M_id()] = __mpwf
;
561 _M_caches
[moneypunct
<wchar_t, true>::id
._M_id()] = __mpwt
;
562 _M_caches
[__timepunct
<wchar_t>::id
._M_id()] = __tpw
;
566 _GLIBCXX_END_NAMESPACE_VERSION