libstdc++
cwchar
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1 // -*- C++ -*- forwarding header.
2 
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 // 2006, 2007, 2008, 2009, 2010
5 // Free Software Foundation, Inc.
6 //
7 // This file is part of the GNU ISO C++ Library. This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
11 // any later version.
12 
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
17 
18 // Under Section 7 of GPL version 3, you are granted additional
19 // permissions described in the GCC Runtime Library Exception, version
20 // 3.1, as published by the Free Software Foundation.
21 
22 // You should have received a copy of the GNU General Public License and
23 // a copy of the GCC Runtime Library Exception along with this program;
24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
25 // <http://www.gnu.org/licenses/>.
26 
27 /** @file include/cwchar
28  * This is a Standard C++ Library file. You should @c \#include this file
29  * in your programs, rather than any of the @a *.h implementation files.
30  *
31  * This is the C++ version of the Standard C Library header @c wchar.h,
32  * and its contents are (mostly) the same as that header, but are all
33  * contained in the namespace @c std (except for names which are defined
34  * as macros in C).
35  */
36 
37 //
38 // ISO C++ 14882: 21.4
39 //
40 
41 #pragma GCC system_header
42 
43 #include <bits/c++config.h>
44 
45 #if _GLIBCXX_HAVE_WCHAR_H
46 #include <wchar.h>
47 #endif
48 
49 #ifndef _GLIBCXX_CWCHAR
50 #define _GLIBCXX_CWCHAR 1
51 
52 // Need to do a bit of trickery here with mbstate_t as char_traits
53 // assumes it is in wchar.h, regardless of wchar_t specializations.
54 #ifndef _GLIBCXX_HAVE_MBSTATE_T
55 extern "C"
56 {
57  typedef struct
58  {
59  int __fill[6];
60  } mbstate_t;
61 }
62 #endif
63 
64 namespace std
65 {
66  using ::mbstate_t;
67 } // namespace std
68 
69 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
70 #undef btowc
71 #undef fgetwc
72 #undef fgetws
73 #undef fputwc
74 #undef fputws
75 #undef fwide
76 #undef fwprintf
77 #undef fwscanf
78 #undef getwc
79 #undef getwchar
80 #undef mbrlen
81 #undef mbrtowc
82 #undef mbsinit
83 #undef mbsrtowcs
84 #undef putwc
85 #undef putwchar
86 #undef swprintf
87 #undef swscanf
88 #undef ungetwc
89 #undef vfwprintf
90 #if _GLIBCXX_HAVE_VFWSCANF
91 # undef vfwscanf
92 #endif
93 #undef vswprintf
94 #if _GLIBCXX_HAVE_VSWSCANF
95 # undef vswscanf
96 #endif
97 #undef vwprintf
98 #if _GLIBCXX_HAVE_VWSCANF
99 # undef vwscanf
100 #endif
101 #undef wcrtomb
102 #undef wcscat
103 #undef wcschr
104 #undef wcscmp
105 #undef wcscoll
106 #undef wcscpy
107 #undef wcscspn
108 #undef wcsftime
109 #undef wcslen
110 #undef wcsncat
111 #undef wcsncmp
112 #undef wcsncpy
113 #undef wcspbrk
114 #undef wcsrchr
115 #undef wcsrtombs
116 #undef wcsspn
117 #undef wcsstr
118 #undef wcstod
119 #if _GLIBCXX_HAVE_WCSTOF
120 # undef wcstof
121 #endif
122 #undef wcstok
123 #undef wcstol
124 #undef wcstoul
125 #undef wcsxfrm
126 #undef wctob
127 #undef wmemchr
128 #undef wmemcmp
129 #undef wmemcpy
130 #undef wmemmove
131 #undef wmemset
132 #undef wprintf
133 #undef wscanf
134 
135 #if _GLIBCXX_USE_WCHAR_T
136 
137 namespace 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 
237 #if _GLIBCXX_USE_C99
238 
239 #undef wcstold
240 #undef wcstoll
241 #undef wcstoull
242 
243 namespace __gnu_cxx
244 {
245 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
246  extern "C" long double
247  (wcstold)(const wchar_t * __restrict, wchar_t ** __restrict) throw ();
248 #endif
249 #if !_GLIBCXX_USE_C99_DYNAMIC
250  using ::wcstold;
251 #endif
252 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
253  extern "C" long long int
254  (wcstoll)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
255  extern "C" unsigned long long int
256  (wcstoull)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
257 #endif
258 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
259  using ::wcstoll;
260  using ::wcstoull;
261 #endif
262 } // namespace __gnu_cxx
263 
264 namespace std
265 {
266  using ::__gnu_cxx::wcstold;
267  using ::__gnu_cxx::wcstoll;
268  using ::__gnu_cxx::wcstoull;
269 } // namespace
270 
271 #endif
272 
273 #endif //_GLIBCXX_USE_WCHAR_T
274 
275 #ifdef __GXX_EXPERIMENTAL_CXX0X__
276 
277 #ifdef _GLIBCXX_USE_WCHAR_T
278 
279 namespace std
280 {
281 #if _GLIBCXX_HAVE_WCSTOF
282  using std::wcstof;
283 #endif
284 #if _GLIBCXX_HAVE_VFWSCANF
285  using std::vfwscanf;
286 #endif
287 #if _GLIBCXX_HAVE_VSWSCANF
288  using std::vswscanf;
289 #endif
290 #if _GLIBCXX_HAVE_VWSCANF
291  using std::vwscanf;
292 #endif
293 
294 #if _GLIBCXX_USE_C99
295  using std::wcstold;
296  using std::wcstoll;
297  using std::wcstoull;
298 #endif
299 } // namespace
300 
301 #endif // _GLIBCXX_USE_WCHAR_T
302 
303 #endif // __GXX_EXPERIMENTAL_CXX0X__
304 
305 #endif