1// -*- C++ -*- forwarding header.
2
3// Copyright (C) 1997-2021 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 include/cwchar
26 * This is a Standard C++ Library file. You should @c \#include this file
27 * in your programs, rather than any of the @a *.h implementation files.
28 *
29 * This is the C++ version of the Standard C Library header @c wchar.h,
30 * and its contents are (mostly) the same as that header, but are all
31 * contained in the namespace @c std (except for names which are defined
32 * as macros in C).
33 */
34
35//
36// ISO C++ 14882: 21.4
37//
38
39#pragma GCC system_header
40
41#include <bits/c++config.h>
42
43#if _GLIBCXX_HAVE_WCHAR_H
44#include <wchar.h>
45#endif
46
47#ifndef _GLIBCXX_CWCHAR
48#define _GLIBCXX_CWCHAR 1
49
50// Need to do a bit of trickery here with mbstate_t as char_traits
51// assumes it is in wchar.h, regardless of wchar_t specializations.
52#ifndef _GLIBCXX_HAVE_MBSTATE_T
53extern "C"
54{
55 typedef struct
56 {
57 int __fill[6];
58 } mbstate_t;
59}
60#endif
61
62namespace std
63{
64 using ::mbstate_t;
65} // namespace std
66
67// Get rid of those macros defined in <wchar.h> in lieu of real functions.
68#undef btowc
69#undef fgetwc
70#undef fgetws
71#undef fputwc
72#undef fputws
73#undef fwide
74#undef fwprintf
75#undef fwscanf
76#undef getwc
77#undef getwchar
78#undef mbrlen
79#undef mbrtowc
80#undef mbsinit
81#undef mbsrtowcs
82#undef putwc
83#undef putwchar
84#undef swprintf
85#undef swscanf
86#undef ungetwc
87#undef vfwprintf
88#if _GLIBCXX_HAVE_VFWSCANF
89# undef vfwscanf
90#endif
91#undef vswprintf
92#if _GLIBCXX_HAVE_VSWSCANF
93# undef vswscanf
94#endif
95#undef vwprintf
96#if _GLIBCXX_HAVE_VWSCANF
97# undef vwscanf
98#endif
99#undef wcrtomb
100#undef wcscat
101#undef wcschr
102#undef wcscmp
103#undef wcscoll
104#undef wcscpy
105#undef wcscspn
106#undef wcsftime
107#undef wcslen
108#undef wcsncat
109#undef wcsncmp
110#undef wcsncpy
111#undef wcspbrk
112#undef wcsrchr
113#undef wcsrtombs
114#undef wcsspn
115#undef wcsstr
116#undef wcstod
117#if _GLIBCXX_HAVE_WCSTOF
118# undef wcstof
119#endif
120#undef wcstok
121#undef wcstol
122#undef wcstoul
123#undef wcsxfrm
124#undef wctob
125#undef wmemchr
126#undef wmemcmp
127#undef wmemcpy
128#undef wmemmove
129#undef wmemset
130#undef wprintf
131#undef wscanf
132
133#if _GLIBCXX_USE_WCHAR_T
134
135extern "C++"
136{
137namespace std _GLIBCXX_VISIBILITY(default)
138{
139_GLIBCXX_BEGIN_NAMESPACE_VERSION
140
141 using ::wint_t;
142
143 using ::btowc;
144 using ::fgetwc;
145 using ::fgetws;
146 using ::fputwc;
147 using ::fputws;
148 using ::fwide;
149 using ::fwprintf;
150 using ::fwscanf;
151 using ::getwc;
152 using ::getwchar;
153 using ::mbrlen;
154 using ::mbrtowc;
155 using ::mbsinit;
156 using ::mbsrtowcs;
157 using ::putwc;
158 using ::putwchar;
159#ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
160 using ::swprintf;
161#endif
162 using ::swscanf;
163 using ::ungetwc;
164 using ::vfwprintf;
165#if _GLIBCXX_HAVE_VFWSCANF
166 using ::vfwscanf;
167#endif
168#ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
169 using ::vswprintf;
170#endif
171#if _GLIBCXX_HAVE_VSWSCANF
172 using ::vswscanf;
173#endif
174 using ::vwprintf;
175#if _GLIBCXX_HAVE_VWSCANF
176 using ::vwscanf;
177#endif
178 using ::wcrtomb;
179 using ::wcscat;
180 using ::wcscmp;
181 using ::wcscoll;
182 using ::wcscpy;
183 using ::wcscspn;
184 using ::wcsftime;
185 using ::wcslen;
186 using ::wcsncat;
187 using ::wcsncmp;
188 using ::wcsncpy;
189 using ::wcsrtombs;
190 using ::wcsspn;
191 using ::wcstod;
192#if _GLIBCXX_HAVE_WCSTOF
193 using ::wcstof;
194#endif
195 using ::wcstok;
196 using ::wcstol;
197 using ::wcstoul;
198 using ::wcsxfrm;
199 using ::wctob;
200 using ::wmemcmp;
201 using ::wmemcpy;
202 using ::wmemmove;
203 using ::wmemset;
204 using ::wprintf;
205 using ::wscanf;
206 using ::wcschr;
207 using ::wcspbrk;
208 using ::wcsrchr;
209 using ::wcsstr;
210 using ::wmemchr;
211
212#ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO
213 inline wchar_t*
214 wcschr(wchar_t* __p, wchar_t __c)
215 { return wcschr(const_cast<const wchar_t*>(__p), __c); }
216
217 inline wchar_t*
218 wcspbrk(wchar_t* __s1, const wchar_t* __s2)
219 { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
220
221 inline wchar_t*
222 wcsrchr(wchar_t* __p, wchar_t __c)
223 { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
224
225 inline wchar_t*
226 wcsstr(wchar_t* __s1, const wchar_t* __s2)
227 { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
228
229 inline wchar_t*
230 wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
231 { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
232#endif
233
234_GLIBCXX_END_NAMESPACE_VERSION
235} // namespace
236} // extern "C++"
237
238#if _GLIBCXX_USE_C99_WCHAR
239
240#undef wcstold
241#undef wcstoll
242#undef wcstoull
243
244namespace __gnu_cxx
245{
246#if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
247 extern "C" long double
248 (wcstold)(const wchar_t * __restrict, wchar_t ** __restrict) throw ();
249#endif
250#if !_GLIBCXX_USE_C99_DYNAMIC
251 using ::wcstold;
252#endif
253#if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
254 extern "C" long long int
255 (wcstoll)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
256 extern "C" unsigned long long int
257 (wcstoull)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
258#endif
259#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
260 using ::wcstoll;
261 using ::wcstoull;
262#endif
263} // namespace __gnu_cxx
264
265namespace std
266{
267 using ::__gnu_cxx::wcstold;
268 using ::__gnu_cxx::wcstoll;
269 using ::__gnu_cxx::wcstoull;
270} // namespace
271
272#endif
273
274#endif //_GLIBCXX_USE_WCHAR_T
275
276#if __cplusplus >= 201103L
277
278#ifdef _GLIBCXX_USE_WCHAR_T
279
280namespace std
281{
282#if _GLIBCXX_HAVE_WCSTOF
283 using std::wcstof;
284#endif
285#if _GLIBCXX_HAVE_VFWSCANF
286 using std::vfwscanf;
287#endif
288#if _GLIBCXX_HAVE_VSWSCANF
289 using std::vswscanf;
290#endif
291#if _GLIBCXX_HAVE_VWSCANF
292 using std::vwscanf;
293#endif
294
295#if _GLIBCXX_USE_C99_WCHAR
296 using std::wcstold;
297 using std::wcstoll;
298 using std::wcstoull;
299#endif
300} // namespace
301
302#endif // _GLIBCXX_USE_WCHAR_T
303
304#endif // C++11
305
306#endif
307