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