1 | // wstring_convert implementation -*- C++ -*- |
2 | |
3 | // Copyright (C) 2015-2021 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /** @file bits/locale_conv.h |
26 | * This is an internal header file, included by other library headers. |
27 | * Do not attempt to use it directly. @headername{locale} |
28 | */ |
29 | |
30 | #ifndef _LOCALE_CONV_H |
31 | #define _LOCALE_CONV_H 1 |
32 | |
33 | #if __cplusplus < 201103L |
34 | # include <bits/c++0x_warning.h> |
35 | #else |
36 | |
37 | #include <streambuf> |
38 | #include <bits/stringfwd.h> |
39 | #include <bits/allocator.h> |
40 | #include <bits/codecvt.h> |
41 | #include <bits/unique_ptr.h> |
42 | |
43 | namespace std _GLIBCXX_VISIBILITY(default) |
44 | { |
45 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
46 | |
47 | /** |
48 | * @addtogroup locales |
49 | * @{ |
50 | */ |
51 | |
52 | template<typename _OutStr, typename _InChar, typename _Codecvt, |
53 | typename _State, typename _Fn> |
54 | bool |
55 | __do_str_codecvt(const _InChar* __first, const _InChar* __last, |
56 | _OutStr& __outstr, const _Codecvt& __cvt, _State& __state, |
57 | size_t& __count, _Fn __fn) |
58 | { |
59 | if (__first == __last) |
60 | { |
61 | __outstr.clear(); |
62 | __count = 0; |
63 | return true; |
64 | } |
65 | |
66 | size_t __outchars = 0; |
67 | auto __next = __first; |
68 | const auto __maxlen = __cvt.max_length() + 1; |
69 | |
70 | codecvt_base::result __result; |
71 | do |
72 | { |
73 | __outstr.resize(__outstr.size() + (__last - __next) * __maxlen); |
74 | auto __outnext = &__outstr.front() + __outchars; |
75 | auto const __outlast = &__outstr.back() + 1; |
76 | __result = (__cvt.*__fn)(__state, __next, __last, __next, |
77 | __outnext, __outlast, __outnext); |
78 | __outchars = __outnext - &__outstr.front(); |
79 | } |
80 | while (__result == codecvt_base::partial && __next != __last |
81 | && ptrdiff_t(__outstr.size() - __outchars) < __maxlen); |
82 | |
83 | if (__result == codecvt_base::error) |
84 | { |
85 | __count = __next - __first; |
86 | return false; |
87 | } |
88 | |
89 | // The codecvt facet will only return noconv when the types are |
90 | // the same, so avoid instantiating basic_string::assign otherwise |
91 | if _GLIBCXX17_CONSTEXPR (is_same<typename _Codecvt::intern_type, |
92 | typename _Codecvt::extern_type>()) |
93 | if (__result == codecvt_base::noconv) |
94 | { |
95 | __outstr.assign(__first, __last); |
96 | __count = __last - __first; |
97 | return true; |
98 | } |
99 | |
100 | __outstr.resize(__outchars); |
101 | __count = __next - __first; |
102 | return true; |
103 | } |
104 | |
105 | // Convert narrow character string to wide. |
106 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
107 | inline bool |
108 | __str_codecvt_in(const char* __first, const char* __last, |
109 | basic_string<_CharT, _Traits, _Alloc>& __outstr, |
110 | const codecvt<_CharT, char, _State>& __cvt, |
111 | _State& __state, size_t& __count) |
112 | { |
113 | using _Codecvt = codecvt<_CharT, char, _State>; |
114 | using _ConvFn |
115 | = codecvt_base::result |
116 | (_Codecvt::*)(_State&, const char*, const char*, const char*&, |
117 | _CharT*, _CharT*, _CharT*&) const; |
118 | _ConvFn __fn = &codecvt<_CharT, char, _State>::in; |
119 | return __do_str_codecvt(__first, __last, __outstr, __cvt, __state, |
120 | __count, __fn); |
121 | } |
122 | |
123 | // As above, but with no __count parameter |
124 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
125 | inline bool |
126 | __str_codecvt_in(const char* __first, const char* __last, |
127 | basic_string<_CharT, _Traits, _Alloc>& __outstr, |
128 | const codecvt<_CharT, char, _State>& __cvt) |
129 | { |
130 | _State __state = {}; |
131 | size_t __n; |
132 | return __str_codecvt_in(__first, __last, __outstr, __cvt, __state, __n); |
133 | } |
134 | |
135 | // As above, but returns false for partial conversion |
136 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
137 | inline bool |
138 | __str_codecvt_in_all(const char* __first, const char* __last, |
139 | basic_string<_CharT, _Traits, _Alloc>& __outstr, |
140 | const codecvt<_CharT, char, _State>& __cvt) |
141 | { |
142 | _State __state = {}; |
143 | size_t __n; |
144 | return __str_codecvt_in(__first, __last, __outstr, __cvt, __state, __n) |
145 | && (__n == size_t(__last - __first)); |
146 | } |
147 | |
148 | // Convert wide character string to narrow. |
149 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
150 | inline bool |
151 | __str_codecvt_out(const _CharT* __first, const _CharT* __last, |
152 | basic_string<char, _Traits, _Alloc>& __outstr, |
153 | const codecvt<_CharT, char, _State>& __cvt, |
154 | _State& __state, size_t& __count) |
155 | { |
156 | using _Codecvt = codecvt<_CharT, char, _State>; |
157 | using _ConvFn |
158 | = codecvt_base::result |
159 | (_Codecvt::*)(_State&, const _CharT*, const _CharT*, const _CharT*&, |
160 | char*, char*, char*&) const; |
161 | _ConvFn __fn = &codecvt<_CharT, char, _State>::out; |
162 | return __do_str_codecvt(__first, __last, __outstr, __cvt, __state, |
163 | __count, __fn); |
164 | } |
165 | |
166 | // As above, but with no __count parameter |
167 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
168 | inline bool |
169 | __str_codecvt_out(const _CharT* __first, const _CharT* __last, |
170 | basic_string<char, _Traits, _Alloc>& __outstr, |
171 | const codecvt<_CharT, char, _State>& __cvt) |
172 | { |
173 | _State __state = {}; |
174 | size_t __n; |
175 | return __str_codecvt_out(__first, __last, __outstr, __cvt, __state, __n); |
176 | } |
177 | |
178 | // As above, but returns false for partial conversions |
179 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
180 | inline bool |
181 | __str_codecvt_out_all(const _CharT* __first, const _CharT* __last, |
182 | basic_string<char, _Traits, _Alloc>& __outstr, |
183 | const codecvt<_CharT, char, _State>& __cvt) |
184 | { |
185 | _State __state = {}; |
186 | size_t __n; |
187 | return __str_codecvt_out(__first, __last, __outstr, __cvt, __state, __n) |
188 | && (__n == size_t(__last - __first)); |
189 | } |
190 | |
191 | #ifdef _GLIBCXX_USE_CHAR8_T |
192 | |
193 | // Convert wide character string to narrow. |
194 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
195 | inline bool |
196 | __str_codecvt_out(const _CharT* __first, const _CharT* __last, |
197 | basic_string<char8_t, _Traits, _Alloc>& __outstr, |
198 | const codecvt<_CharT, char8_t, _State>& __cvt, |
199 | _State& __state, size_t& __count) |
200 | { |
201 | using _Codecvt = codecvt<_CharT, char8_t, _State>; |
202 | using _ConvFn |
203 | = codecvt_base::result |
204 | (_Codecvt::*)(_State&, const _CharT*, const _CharT*, const _CharT*&, |
205 | char8_t*, char8_t*, char8_t*&) const; |
206 | _ConvFn __fn = &codecvt<_CharT, char8_t, _State>::out; |
207 | return __do_str_codecvt(__first, __last, __outstr, __cvt, __state, |
208 | __count, __fn); |
209 | } |
210 | |
211 | template<typename _CharT, typename _Traits, typename _Alloc, typename _State> |
212 | inline bool |
213 | __str_codecvt_out(const _CharT* __first, const _CharT* __last, |
214 | basic_string<char8_t, _Traits, _Alloc>& __outstr, |
215 | const codecvt<_CharT, char8_t, _State>& __cvt) |
216 | { |
217 | _State __state = {}; |
218 | size_t __n; |
219 | return __str_codecvt_out(__first, __last, __outstr, __cvt, __state, __n); |
220 | } |
221 | |
222 | #endif // _GLIBCXX_USE_CHAR8_T |
223 | |
224 | #ifdef _GLIBCXX_USE_WCHAR_T |
225 | |
226 | _GLIBCXX_BEGIN_NAMESPACE_CXX11 |
227 | |
228 | /// String conversions |
229 | template<typename _Codecvt, typename _Elem = wchar_t, |
230 | typename _Wide_alloc = allocator<_Elem>, |
231 | typename _Byte_alloc = allocator<char>> |
232 | class wstring_convert |
233 | { |
234 | public: |
235 | typedef basic_string<char, char_traits<char>, _Byte_alloc> byte_string; |
236 | typedef basic_string<_Elem, char_traits<_Elem>, _Wide_alloc> wide_string; |
237 | typedef typename _Codecvt::state_type state_type; |
238 | typedef typename wide_string::traits_type::int_type int_type; |
239 | |
240 | /// Default constructor. |
241 | wstring_convert() : _M_cvt(new _Codecvt()) { } |
242 | |
243 | /** Constructor. |
244 | * |
245 | * @param __pcvt The facet to use for conversions. |
246 | * |
247 | * Takes ownership of @p __pcvt and will delete it in the destructor. |
248 | */ |
249 | explicit |
250 | wstring_convert(_Codecvt* __pcvt) : _M_cvt(__pcvt) |
251 | { |
252 | if (!_M_cvt) |
253 | __throw_logic_error("wstring_convert" ); |
254 | } |
255 | |
256 | /** Construct with an initial converstion state. |
257 | * |
258 | * @param __pcvt The facet to use for conversions. |
259 | * @param __state Initial conversion state. |
260 | * |
261 | * Takes ownership of @p __pcvt and will delete it in the destructor. |
262 | * The object's conversion state will persist between conversions. |
263 | */ |
264 | wstring_convert(_Codecvt* __pcvt, state_type __state) |
265 | : _M_cvt(__pcvt), _M_state(__state), _M_with_cvtstate(true) |
266 | { |
267 | if (!_M_cvt) |
268 | __throw_logic_error("wstring_convert" ); |
269 | } |
270 | |
271 | /** Construct with error strings. |
272 | * |
273 | * @param __byte_err A string to return on failed conversions. |
274 | * @param __wide_err A wide string to return on failed conversions. |
275 | */ |
276 | explicit |
277 | wstring_convert(const byte_string& __byte_err, |
278 | const wide_string& __wide_err = wide_string()) |
279 | : _M_cvt(new _Codecvt), |
280 | _M_byte_err_string(__byte_err), _M_wide_err_string(__wide_err), |
281 | _M_with_strings(true) |
282 | { |
283 | if (!_M_cvt) |
284 | __throw_logic_error("wstring_convert" ); |
285 | } |
286 | |
287 | ~wstring_convert() = default; |
288 | |
289 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
290 | // 2176. Special members for wstring_convert and wbuffer_convert |
291 | wstring_convert(const wstring_convert&) = delete; |
292 | wstring_convert& operator=(const wstring_convert&) = delete; |
293 | |
294 | /// @{ Convert from bytes. |
295 | wide_string |
296 | from_bytes(char __byte) |
297 | { |
298 | char __bytes[2] = { __byte }; |
299 | return from_bytes(__bytes, __bytes+1); |
300 | } |
301 | |
302 | wide_string |
303 | from_bytes(const char* __ptr) |
304 | { return from_bytes(__ptr, __ptr+char_traits<char>::length(s: __ptr)); } |
305 | |
306 | wide_string |
307 | from_bytes(const byte_string& __str) |
308 | { |
309 | auto __ptr = __str.data(); |
310 | return from_bytes(__ptr, __ptr + __str.size()); |
311 | } |
312 | |
313 | wide_string |
314 | from_bytes(const char* __first, const char* __last) |
315 | { |
316 | if (!_M_with_cvtstate) |
317 | _M_state = state_type(); |
318 | wide_string __out{ _M_wide_err_string.get_allocator() }; |
319 | if (__str_codecvt_in(__first, __last, __out, *_M_cvt, _M_state, |
320 | _M_count)) |
321 | return __out; |
322 | if (_M_with_strings) |
323 | return _M_wide_err_string; |
324 | __throw_range_error("wstring_convert::from_bytes" ); |
325 | } |
326 | /// @} |
327 | |
328 | /// @{ Convert to bytes. |
329 | byte_string |
330 | to_bytes(_Elem __wchar) |
331 | { |
332 | _Elem __wchars[2] = { __wchar }; |
333 | return to_bytes(__wchars, __wchars+1); |
334 | } |
335 | |
336 | byte_string |
337 | to_bytes(const _Elem* __ptr) |
338 | { |
339 | return to_bytes(__ptr, __ptr+wide_string::traits_type::length(__ptr)); |
340 | } |
341 | |
342 | byte_string |
343 | to_bytes(const wide_string& __wstr) |
344 | { |
345 | auto __ptr = __wstr.data(); |
346 | return to_bytes(__ptr, __ptr + __wstr.size()); |
347 | } |
348 | |
349 | byte_string |
350 | to_bytes(const _Elem* __first, const _Elem* __last) |
351 | { |
352 | if (!_M_with_cvtstate) |
353 | _M_state = state_type(); |
354 | byte_string __out{ _M_byte_err_string.get_allocator() }; |
355 | if (__str_codecvt_out(__first, __last, __out, *_M_cvt, _M_state, |
356 | _M_count)) |
357 | return __out; |
358 | if (_M_with_strings) |
359 | return _M_byte_err_string; |
360 | __throw_range_error("wstring_convert::to_bytes" ); |
361 | } |
362 | /// @} |
363 | |
364 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
365 | // 2174. wstring_convert::converted() should be noexcept |
366 | /// The number of elements successfully converted in the last conversion. |
367 | size_t converted() const noexcept { return _M_count; } |
368 | |
369 | /// The final conversion state of the last conversion. |
370 | state_type state() const { return _M_state; } |
371 | |
372 | private: |
373 | unique_ptr<_Codecvt> _M_cvt; |
374 | byte_string _M_byte_err_string; |
375 | wide_string _M_wide_err_string; |
376 | state_type _M_state = state_type(); |
377 | size_t _M_count = 0; |
378 | bool _M_with_cvtstate = false; |
379 | bool _M_with_strings = false; |
380 | }; |
381 | |
382 | _GLIBCXX_END_NAMESPACE_CXX11 |
383 | |
384 | /// Buffer conversions |
385 | template<typename _Codecvt, typename _Elem = wchar_t, |
386 | typename _Tr = char_traits<_Elem>> |
387 | class wbuffer_convert : public basic_streambuf<_Elem, _Tr> |
388 | { |
389 | typedef basic_streambuf<_Elem, _Tr> _Wide_streambuf; |
390 | |
391 | public: |
392 | typedef typename _Codecvt::state_type state_type; |
393 | |
394 | /// Default constructor. |
395 | wbuffer_convert() : wbuffer_convert(nullptr) { } |
396 | |
397 | /** Constructor. |
398 | * |
399 | * @param __bytebuf The underlying byte stream buffer. |
400 | * @param __pcvt The facet to use for conversions. |
401 | * @param __state Initial conversion state. |
402 | * |
403 | * Takes ownership of @p __pcvt and will delete it in the destructor. |
404 | */ |
405 | explicit |
406 | wbuffer_convert(streambuf* __bytebuf, _Codecvt* __pcvt = new _Codecvt, |
407 | state_type __state = state_type()) |
408 | : _M_buf(__bytebuf), _M_cvt(__pcvt), _M_state(__state) |
409 | { |
410 | if (!_M_cvt) |
411 | __throw_logic_error("wbuffer_convert" ); |
412 | |
413 | _M_always_noconv = _M_cvt->always_noconv(); |
414 | |
415 | if (_M_buf) |
416 | { |
417 | this->setp(_M_put_area, _M_put_area + _S_buffer_length); |
418 | this->setg(_M_get_area + _S_putback_length, |
419 | _M_get_area + _S_putback_length, |
420 | _M_get_area + _S_putback_length); |
421 | } |
422 | } |
423 | |
424 | ~wbuffer_convert() = default; |
425 | |
426 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
427 | // 2176. Special members for wstring_convert and wbuffer_convert |
428 | wbuffer_convert(const wbuffer_convert&) = delete; |
429 | wbuffer_convert& operator=(const wbuffer_convert&) = delete; |
430 | |
431 | streambuf* rdbuf() const noexcept { return _M_buf; } |
432 | |
433 | streambuf* |
434 | rdbuf(streambuf *__bytebuf) noexcept |
435 | { |
436 | auto __prev = _M_buf; |
437 | _M_buf = __bytebuf; |
438 | return __prev; |
439 | } |
440 | |
441 | /// The conversion state following the last conversion. |
442 | state_type state() const noexcept { return _M_state; } |
443 | |
444 | protected: |
445 | int |
446 | sync() |
447 | { return _M_buf && _M_conv_put() && !_M_buf->pubsync() ? 0 : -1; } |
448 | |
449 | typename _Wide_streambuf::int_type |
450 | overflow(typename _Wide_streambuf::int_type __out) |
451 | { |
452 | if (!_M_buf || !_M_conv_put()) |
453 | return _Tr::eof(); |
454 | else if (!_Tr::eq_int_type(__out, _Tr::eof())) |
455 | return this->sputc(__out); |
456 | return _Tr::not_eof(__out); |
457 | } |
458 | |
459 | typename _Wide_streambuf::int_type |
460 | underflow() |
461 | { |
462 | if (!_M_buf) |
463 | return _Tr::eof(); |
464 | |
465 | if (this->gptr() < this->egptr() || (_M_buf && _M_conv_get())) |
466 | return _Tr::to_int_type(*this->gptr()); |
467 | else |
468 | return _Tr::eof(); |
469 | } |
470 | |
471 | streamsize |
472 | xsputn(const typename _Wide_streambuf::char_type* __s, streamsize __n) |
473 | { |
474 | if (!_M_buf || __n == 0) |
475 | return 0; |
476 | streamsize __done = 0; |
477 | do |
478 | { |
479 | auto __nn = std::min<streamsize>(this->epptr() - this->pptr(), |
480 | __n - __done); |
481 | _Tr::copy(this->pptr(), __s + __done, __nn); |
482 | this->pbump(__nn); |
483 | __done += __nn; |
484 | } while (__done < __n && _M_conv_put()); |
485 | return __done; |
486 | } |
487 | |
488 | private: |
489 | // fill the get area from converted contents of the byte stream buffer |
490 | bool |
491 | _M_conv_get() |
492 | { |
493 | const streamsize __pb1 = this->gptr() - this->eback(); |
494 | const streamsize __pb2 = _S_putback_length; |
495 | const streamsize __npb = std::min(a: __pb1, b: __pb2); |
496 | |
497 | _Tr::move(_M_get_area + _S_putback_length - __npb, |
498 | this->gptr() - __npb, __npb); |
499 | |
500 | streamsize __nbytes = sizeof(_M_get_buf) - _M_unconv; |
501 | __nbytes = std::min(a: __nbytes, b: _M_buf->in_avail()); |
502 | if (__nbytes < 1) |
503 | __nbytes = 1; |
504 | __nbytes = _M_buf->sgetn(s: _M_get_buf + _M_unconv, n: __nbytes); |
505 | if (__nbytes < 1) |
506 | return false; |
507 | __nbytes += _M_unconv; |
508 | |
509 | // convert _M_get_buf into _M_get_area |
510 | |
511 | _Elem* __outbuf = _M_get_area + _S_putback_length; |
512 | _Elem* __outnext = __outbuf; |
513 | const char* __bnext = _M_get_buf; |
514 | |
515 | codecvt_base::result __result; |
516 | if (_M_always_noconv) |
517 | __result = codecvt_base::noconv; |
518 | else |
519 | { |
520 | _Elem* __outend = _M_get_area + _S_buffer_length; |
521 | |
522 | __result = _M_cvt->in(_M_state, |
523 | __bnext, __bnext + __nbytes, __bnext, |
524 | __outbuf, __outend, __outnext); |
525 | } |
526 | |
527 | if (__result == codecvt_base::noconv) |
528 | { |
529 | // cast is safe because noconv means _Elem is same type as char |
530 | auto __get_buf = reinterpret_cast<const _Elem*>(_M_get_buf); |
531 | _Tr::copy(__outbuf, __get_buf, __nbytes); |
532 | _M_unconv = 0; |
533 | return true; |
534 | } |
535 | |
536 | if ((_M_unconv = _M_get_buf + __nbytes - __bnext)) |
537 | char_traits<char>::move(s1: _M_get_buf, s2: __bnext, n: _M_unconv); |
538 | |
539 | this->setg(__outbuf, __outbuf, __outnext); |
540 | |
541 | return __result != codecvt_base::error; |
542 | } |
543 | |
544 | // unused |
545 | bool |
546 | _M_put(...) |
547 | { return false; } |
548 | |
549 | bool |
550 | _M_put(const char* __p, streamsize __n) |
551 | { |
552 | if (_M_buf->sputn(s: __p, __n) < __n) |
553 | return false; |
554 | return true; |
555 | } |
556 | |
557 | // convert the put area and write to the byte stream buffer |
558 | bool |
559 | _M_conv_put() |
560 | { |
561 | _Elem* const __first = this->pbase(); |
562 | const _Elem* const __last = this->pptr(); |
563 | const streamsize __pending = __last - __first; |
564 | |
565 | if (_M_always_noconv) |
566 | return _M_put(__first, __pending); |
567 | |
568 | char __outbuf[2 * _S_buffer_length]; |
569 | |
570 | const _Elem* __next = __first; |
571 | const _Elem* __start; |
572 | do |
573 | { |
574 | __start = __next; |
575 | char* __outnext = __outbuf; |
576 | char* const __outlast = __outbuf + sizeof(__outbuf); |
577 | auto __result = _M_cvt->out(_M_state, __next, __last, __next, |
578 | __outnext, __outlast, __outnext); |
579 | if (__result == codecvt_base::error) |
580 | return false; |
581 | else if (__result == codecvt_base::noconv) |
582 | return _M_put(__next, __pending); |
583 | |
584 | if (!_M_put(__outbuf, __outnext - __outbuf)) |
585 | return false; |
586 | } |
587 | while (__next != __last && __next != __start); |
588 | |
589 | if (__next != __last) |
590 | _Tr::move(__first, __next, __last - __next); |
591 | |
592 | this->pbump(__first - __next); |
593 | return __next != __first; |
594 | } |
595 | |
596 | streambuf* _M_buf; |
597 | unique_ptr<_Codecvt> _M_cvt; |
598 | state_type _M_state; |
599 | |
600 | static const streamsize _S_buffer_length = 32; |
601 | static const streamsize _S_putback_length = 3; |
602 | _Elem _M_put_area[_S_buffer_length]; |
603 | _Elem _M_get_area[_S_buffer_length]; |
604 | streamsize _M_unconv = 0; |
605 | char _M_get_buf[_S_buffer_length-_S_putback_length]; |
606 | bool _M_always_noconv; |
607 | }; |
608 | |
609 | #endif // _GLIBCXX_USE_WCHAR_T |
610 | |
611 | /// @} group locales |
612 | |
613 | _GLIBCXX_END_NAMESPACE_VERSION |
614 | } // namespace |
615 | |
616 | #endif // __cplusplus |
617 | |
618 | #endif /* _LOCALE_CONV_H */ |
619 | |