1// -*- C++ -*- forwarding header. 
2 
3// Copyright (C) 1997-2019 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