cwchar

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00001 // -*- C++ -*- forwarding header.
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
00004 // 2006, 2007
00005 // Free Software Foundation, Inc.
00006 //
00007 // This file is part of the GNU ISO C++ Library.  This library is free
00008 // software; you can redistribute it and/or modify it under the
00009 // terms of the GNU General Public License as published by the
00010 // Free Software Foundation; either version 2, or (at your option)
00011 // any later version.
00012 
00013 // This library is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 
00018 // You should have received a copy of the GNU General Public License
00019 // along with this library; see the file COPYING.  If not, write to
00020 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
00021 // Boston, MA 02110-1301, USA.
00022 
00023 // As a special exception, you may use this file as part of a free software
00024 // library without restriction.  Specifically, if other files instantiate
00025 // templates or use macros or inline functions from this file, or you compile
00026 // this file and link it with other files to produce an executable, this
00027 // file does not by itself cause the resulting executable to be covered by
00028 // the GNU General Public License.  This exception does not however
00029 // invalidate any other reasons why the executable file might be covered by
00030 // the GNU General Public License.
00031 
00032 /** @file include/cwchar
00033  *  This is a Standard C++ Library file.  You should @c #include this file
00034  *  in your programs, rather than any of the "*.h" implementation files.
00035  *
00036  *  This is the C++ version of the Standard C Library header @c wchar.h,
00037  *  and its contents are (mostly) the same as that header, but are all
00038  *  contained in the namespace @c std (except for names which are defined
00039  *  as macros in C).
00040  */
00041 
00042 //
00043 // ISO C++ 14882: 21.4
00044 //
00045 
00046 #pragma GCC system_header
00047 
00048 #include <bits/c++config.h>
00049 #include <cstddef>
00050 
00051 #if _GLIBCXX_HAVE_WCHAR_H
00052 #include_next <wchar.h>
00053 #endif
00054 
00055 #ifndef _GLIBCXX_CWCHAR
00056 #define _GLIBCXX_CWCHAR 1
00057 
00058 // Need to do a bit of trickery here with mbstate_t as char_traits
00059 // assumes it is in wchar.h, regardless of wchar_t specializations.
00060 #ifndef _GLIBCXX_HAVE_MBSTATE_T
00061 extern "C"
00062 {
00063   typedef struct
00064   {
00065     int __fill[6];
00066   } mbstate_t;
00067 }
00068 #endif
00069 
00070 _GLIBCXX_BEGIN_NAMESPACE(std)
00071 
00072   using ::mbstate_t;
00073 
00074 _GLIBCXX_END_NAMESPACE
00075 
00076 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
00077 #undef btowc
00078 #undef fgetwc
00079 #undef fgetws
00080 #undef fputwc
00081 #undef fputws
00082 #undef fwide
00083 #undef fwprintf
00084 #undef fwscanf
00085 #undef getwc
00086 #undef getwchar
00087 #undef mbrlen
00088 #undef mbrtowc
00089 #undef mbsinit
00090 #undef mbsrtowcs
00091 #undef putwc
00092 #undef putwchar
00093 #undef swprintf
00094 #undef swscanf
00095 #undef ungetwc
00096 #undef vfwprintf
00097 #if _GLIBCXX_HAVE_VFWSCANF
00098 # undef vfwscanf
00099 #endif
00100 #undef vswprintf
00101 #if _GLIBCXX_HAVE_VSWSCANF
00102 # undef vswscanf
00103 #endif
00104 #undef vwprintf
00105 #if _GLIBCXX_HAVE_VWSCANF
00106 # undef vwscanf
00107 #endif
00108 #undef wcrtomb
00109 #undef wcscat
00110 #undef wcschr
00111 #undef wcscmp
00112 #undef wcscoll
00113 #undef wcscpy
00114 #undef wcscspn
00115 #undef wcsftime
00116 #undef wcslen
00117 #undef wcsncat
00118 #undef wcsncmp
00119 #undef wcsncpy
00120 #undef wcspbrk
00121 #undef wcsrchr
00122 #undef wcsrtombs
00123 #undef wcsspn
00124 #undef wcsstr
00125 #undef wcstod
00126 #if _GLIBCXX_HAVE_WCSTOF
00127 # undef wcstof
00128 #endif
00129 #undef wcstok
00130 #undef wcstol
00131 #undef wcstoul
00132 #undef wcsxfrm
00133 #undef wctob
00134 #undef wmemchr
00135 #undef wmemcmp
00136 #undef wmemcpy
00137 #undef wmemmove
00138 #undef wmemset
00139 #undef wprintf
00140 #undef wscanf
00141 
00142 #if _GLIBCXX_USE_WCHAR_T
00143 
00144 _GLIBCXX_BEGIN_NAMESPACE(std)
00145 
00146   using ::wint_t;
00147 
00148   using ::btowc;
00149   using ::fgetwc;
00150   using ::fgetws;
00151   using ::fputwc;
00152   using ::fputws;
00153   using ::fwide;
00154   using ::fwprintf;
00155   using ::fwscanf;
00156   using ::getwc;
00157   using ::getwchar;
00158   using ::mbrlen;
00159   using ::mbrtowc;
00160   using ::mbsinit;
00161   using ::mbsrtowcs;
00162   using ::putwc;
00163   using ::putwchar;
00164   using ::swprintf;
00165   using ::swscanf;
00166   using ::ungetwc;
00167   using ::vfwprintf;
00168 #if _GLIBCXX_HAVE_VFWSCANF
00169   using ::vfwscanf;
00170 #endif
00171   using ::vswprintf;
00172 #if _GLIBCXX_HAVE_VSWSCANF
00173   using ::vswscanf;
00174 #endif
00175   using ::vwprintf;
00176 #if _GLIBCXX_HAVE_VWSCANF
00177   using ::vwscanf;
00178 #endif
00179   using ::wcrtomb;
00180   using ::wcscat;
00181   using ::wcscmp;
00182   using ::wcscoll;
00183   using ::wcscpy;
00184   using ::wcscspn;
00185   using ::wcsftime;
00186   using ::wcslen;
00187   using ::wcsncat;
00188   using ::wcsncmp;
00189   using ::wcsncpy;
00190   using ::wcsrtombs;
00191   using ::wcsspn;
00192   using ::wcstod;
00193 #if _GLIBCXX_HAVE_WCSTOF
00194   using ::wcstof;
00195 #endif
00196   using ::wcstok;
00197   using ::wcstol;
00198   using ::wcstoul;
00199   using ::wcsxfrm;
00200   using ::wctob;
00201   using ::wmemcmp;
00202   using ::wmemcpy;
00203   using ::wmemmove;
00204   using ::wmemset;
00205   using ::wprintf;
00206   using ::wscanf;
00207 
00208   using ::wcschr;
00209 
00210   inline wchar_t*
00211   wcschr(wchar_t* __p, wchar_t __c)
00212   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
00213 
00214   using ::wcspbrk;
00215 
00216   inline wchar_t*
00217   wcspbrk(wchar_t* __s1, const wchar_t* __s2)
00218   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
00219 
00220   using ::wcsrchr;
00221 
00222   inline wchar_t*
00223   wcsrchr(wchar_t* __p, wchar_t __c)
00224   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
00225 
00226   using ::wcsstr;
00227 
00228   inline wchar_t*
00229   wcsstr(wchar_t* __s1, const wchar_t* __s2)
00230   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
00231 
00232   using ::wmemchr;
00233 
00234   inline wchar_t*
00235   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
00236   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
00237 
00238 _GLIBCXX_END_NAMESPACE
00239 
00240 #if _GLIBCXX_USE_C99
00241 
00242 #undef wcstold
00243 #undef wcstoll
00244 #undef wcstoull
00245 
00246 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
00247 
00248 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
00249   extern "C" long double
00250     (wcstold)(const wchar_t * restrict, wchar_t ** restrict);
00251 #endif
00252 #if !_GLIBCXX_USE_C99_DYNAMIC
00253   using ::wcstold;
00254 #endif
00255 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
00256   extern "C" long long int
00257     (wcstoll)(const wchar_t * restrict, wchar_t ** restrict, int);
00258   extern "C" unsigned long long int
00259     (wcstoull)(const wchar_t * restrict, wchar_t ** restrict, int);
00260 #endif
00261 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
00262   using ::wcstoll;
00263   using ::wcstoull;
00264 #endif
00265 
00266 _GLIBCXX_END_NAMESPACE
00267 
00268 _GLIBCXX_BEGIN_NAMESPACE(std)
00269 
00270   using ::__gnu_cxx::wcstold;
00271   using ::__gnu_cxx::wcstoll;
00272   using ::__gnu_cxx::wcstoull;
00273 
00274 _GLIBCXX_END_NAMESPACE
00275 
00276 #endif
00277 
00278 #endif //_GLIBCXX_USE_WCHAR_T
00279 
00280 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00281 #  if defined(_GLIBCXX_INCLUDE_AS_TR1)
00282 #    error C++0x header cannot be included from TR1 header
00283 #  endif
00284 #  if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
00285 #    include <tr1_impl/cwchar>
00286 #  else
00287 #    define _GLIBCXX_INCLUDE_AS_CXX0X
00288 #    define _GLIBCXX_BEGIN_NAMESPACE_TR1
00289 #    define _GLIBCXX_END_NAMESPACE_TR1
00290 #    define _GLIBCXX_TR1
00291 #    include <tr1_impl/cwchar>
00292 #    undef _GLIBCXX_TR1
00293 #    undef _GLIBCXX_END_NAMESPACE_TR1
00294 #    undef _GLIBCXX_BEGIN_NAMESPACE_TR1
00295 #    undef _GLIBCXX_INCLUDE_AS_CXX0X
00296 #  endif
00297 #endif
00298 
00299 #endif

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