libstdc++
cwchar
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00001 // -*- C++ -*- forwarding header.
00002 
00003 // Copyright (C) 1997-2015 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 3, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file include/cwchar
00026  *  This is a Standard C++ Library file.  You should @c \#include this file
00027  *  in your programs, rather than any of the @a *.h implementation files.
00028  *
00029  *  This is the C++ version of the Standard C Library header @c wchar.h,
00030  *  and its contents are (mostly) the same as that header, but are all
00031  *  contained in the namespace @c std (except for names which are defined
00032  *  as macros in C).
00033  */
00034 
00035 //
00036 // ISO C++ 14882: 21.4
00037 //
00038 
00039 #pragma GCC system_header
00040 
00041 #include <bits/c++config.h>
00042 
00043 #if _GLIBCXX_HAVE_WCHAR_H
00044 #include <wchar.h>
00045 #endif
00046 
00047 #ifndef _GLIBCXX_CWCHAR
00048 #define _GLIBCXX_CWCHAR 1
00049 
00050 // Need to do a bit of trickery here with mbstate_t as char_traits
00051 // assumes it is in wchar.h, regardless of wchar_t specializations.
00052 #ifndef _GLIBCXX_HAVE_MBSTATE_T
00053 extern "C"
00054 {
00055   typedef struct
00056   {
00057     int __fill[6];
00058   } mbstate_t;
00059 }
00060 #endif
00061 
00062 namespace std
00063 {
00064   using ::mbstate_t;
00065 } // namespace std
00066 
00067 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
00068 #undef btowc
00069 #undef fgetwc
00070 #undef fgetws
00071 #undef fputwc
00072 #undef fputws
00073 #undef fwide
00074 #undef fwprintf
00075 #undef fwscanf
00076 #undef getwc
00077 #undef getwchar
00078 #undef mbrlen
00079 #undef mbrtowc
00080 #undef mbsinit
00081 #undef mbsrtowcs
00082 #undef putwc
00083 #undef putwchar
00084 #undef swprintf
00085 #undef swscanf
00086 #undef ungetwc
00087 #undef vfwprintf
00088 #if _GLIBCXX_HAVE_VFWSCANF
00089 # undef vfwscanf
00090 #endif
00091 #undef vswprintf
00092 #if _GLIBCXX_HAVE_VSWSCANF
00093 # undef vswscanf
00094 #endif
00095 #undef vwprintf
00096 #if _GLIBCXX_HAVE_VWSCANF
00097 # undef vwscanf
00098 #endif
00099 #undef wcrtomb
00100 #undef wcscat
00101 #undef wcschr
00102 #undef wcscmp
00103 #undef wcscoll
00104 #undef wcscpy
00105 #undef wcscspn
00106 #undef wcsftime
00107 #undef wcslen
00108 #undef wcsncat
00109 #undef wcsncmp
00110 #undef wcsncpy
00111 #undef wcspbrk
00112 #undef wcsrchr
00113 #undef wcsrtombs
00114 #undef wcsspn
00115 #undef wcsstr
00116 #undef wcstod
00117 #if _GLIBCXX_HAVE_WCSTOF
00118 # undef wcstof
00119 #endif
00120 #undef wcstok
00121 #undef wcstol
00122 #undef wcstoul
00123 #undef wcsxfrm
00124 #undef wctob
00125 #undef wmemchr
00126 #undef wmemcmp
00127 #undef wmemcpy
00128 #undef wmemmove
00129 #undef wmemset
00130 #undef wprintf
00131 #undef wscanf
00132 
00133 #if _GLIBCXX_USE_WCHAR_T
00134 
00135 namespace std _GLIBCXX_VISIBILITY(default)
00136 {
00137 _GLIBCXX_BEGIN_NAMESPACE_VERSION
00138 
00139   using ::wint_t;
00140 
00141   using ::btowc;
00142   using ::fgetwc;
00143   using ::fgetws;
00144   using ::fputwc;
00145   using ::fputws;
00146   using ::fwide;
00147   using ::fwprintf;
00148   using ::fwscanf;
00149   using ::getwc;
00150   using ::getwchar;
00151   using ::mbrlen;
00152   using ::mbrtowc;
00153   using ::mbsinit;
00154   using ::mbsrtowcs;
00155   using ::putwc;
00156   using ::putwchar;
00157 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
00158   using ::swprintf;
00159 #endif
00160   using ::swscanf;
00161   using ::ungetwc;
00162   using ::vfwprintf;
00163 #if _GLIBCXX_HAVE_VFWSCANF
00164   using ::vfwscanf;
00165 #endif
00166 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
00167   using ::vswprintf;
00168 #endif
00169 #if _GLIBCXX_HAVE_VSWSCANF
00170   using ::vswscanf;
00171 #endif
00172   using ::vwprintf;
00173 #if _GLIBCXX_HAVE_VWSCANF
00174   using ::vwscanf;
00175 #endif
00176   using ::wcrtomb;
00177   using ::wcscat;
00178   using ::wcscmp;
00179   using ::wcscoll;
00180   using ::wcscpy;
00181   using ::wcscspn;
00182   using ::wcsftime;
00183   using ::wcslen;
00184   using ::wcsncat;
00185   using ::wcsncmp;
00186   using ::wcsncpy;
00187   using ::wcsrtombs;
00188   using ::wcsspn;
00189   using ::wcstod;
00190 #if _GLIBCXX_HAVE_WCSTOF
00191   using ::wcstof;
00192 #endif
00193   using ::wcstok;
00194   using ::wcstol;
00195   using ::wcstoul;
00196   using ::wcsxfrm;
00197   using ::wctob;
00198   using ::wmemcmp;
00199   using ::wmemcpy;
00200   using ::wmemmove;
00201   using ::wmemset;
00202   using ::wprintf;
00203   using ::wscanf;
00204   using ::wcschr;
00205   using ::wcspbrk;
00206   using ::wcsrchr;
00207   using ::wcsstr;
00208   using ::wmemchr;
00209 
00210 #ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO
00211   inline wchar_t*
00212   wcschr(wchar_t* __p, wchar_t __c)
00213   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
00214 
00215   inline wchar_t*
00216   wcspbrk(wchar_t* __s1, const wchar_t* __s2)
00217   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
00218 
00219   inline wchar_t*
00220   wcsrchr(wchar_t* __p, wchar_t __c)
00221   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
00222 
00223   inline wchar_t*
00224   wcsstr(wchar_t* __s1, const wchar_t* __s2)
00225   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
00226 
00227   inline wchar_t*
00228   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
00229   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
00230 #endif
00231 
00232 _GLIBCXX_END_NAMESPACE_VERSION
00233 } // namespace
00234 
00235 #if _GLIBCXX_USE_C99
00236 
00237 #undef wcstold
00238 #undef wcstoll
00239 #undef wcstoull
00240 
00241 namespace __gnu_cxx
00242 {
00243 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
00244   extern "C" long double
00245     (wcstold)(const wchar_t * __restrict, wchar_t ** __restrict) throw ();
00246 #endif
00247 #if !_GLIBCXX_USE_C99_DYNAMIC
00248   using ::wcstold;
00249 #endif
00250 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
00251   extern "C" long long int
00252     (wcstoll)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
00253   extern "C" unsigned long long int
00254     (wcstoull)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
00255 #endif
00256 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
00257   using ::wcstoll;
00258   using ::wcstoull;
00259 #endif
00260 } // namespace __gnu_cxx
00261 
00262 namespace std
00263 {
00264   using ::__gnu_cxx::wcstold;
00265   using ::__gnu_cxx::wcstoll;
00266   using ::__gnu_cxx::wcstoull;
00267 } // namespace
00268 
00269 #endif
00270 
00271 #endif //_GLIBCXX_USE_WCHAR_T
00272 
00273 #if __cplusplus >= 201103L
00274 
00275 #ifdef _GLIBCXX_USE_WCHAR_T
00276 
00277 namespace std
00278 {
00279 #if _GLIBCXX_HAVE_WCSTOF
00280   using std::wcstof;
00281 #endif
00282 #if _GLIBCXX_HAVE_VFWSCANF
00283   using std::vfwscanf;
00284 #endif
00285 #if _GLIBCXX_HAVE_VSWSCANF
00286   using std::vswscanf;
00287 #endif
00288 #if _GLIBCXX_HAVE_VWSCANF
00289   using std::vwscanf;
00290 #endif
00291 
00292 #if _GLIBCXX_USE_C99
00293   using std::wcstold;
00294   using std::wcstoll;
00295   using std::wcstoull;
00296 #endif
00297 } // namespace
00298 
00299 #endif // _GLIBCXX_USE_WCHAR_T
00300 
00301 #endif // C++11
00302 
00303 #endif