cwchar

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00001 // -*- C++ -*- forwarding header.
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
00004 // Free Software Foundation, Inc.
00005 //
00006 // This file is part of the GNU ISO C++ Library.  This library is free
00007 // software; you can redistribute it and/or modify it under the
00008 // terms of the GNU General Public License as published by the
00009 // Free Software Foundation; either version 2, or (at your option)
00010 // any later version.
00011 
00012 // This library is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 
00017 // You should have received a copy of the GNU General Public License along
00018 // with this library; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00020 // USA.
00021 
00022 // As a special exception, you may use this file as part of a free software
00023 // library without restriction.  Specifically, if other files instantiate
00024 // templates or use macros or inline functions from this file, or you compile
00025 // this file and link it with other files to produce an executable, this
00026 // file does not by itself cause the resulting executable to be covered by
00027 // the GNU General Public License.  This exception does not however
00028 // invalidate any other reasons why the executable file might be covered by
00029 // the GNU General Public License.
00030 
00031 //
00032 // ISO C++ 14882: 21.4
00033 //
00034 
00035 /** @file cwchar
00036  *  This is a Standard C++ Library file.  You should @c #include this file
00037  *  in your programs, rather than any of the "*.h" implementation files.
00038  *
00039  *  This is the C++ version of the Standard C Library header @c wchar.h,
00040  *  and its contents are (mostly) the same as that header, but are all
00041  *  contained in the namespace @c std.
00042  */
00043 
00044 #ifndef _CPP_CWCHAR
00045 #define _CPP_CWCHAR 1
00046 
00047 #pragma GCC system_header
00048 
00049 #include <bits/c++config.h>
00050 #include <cstddef>
00051 #include <ctime>
00052 
00053 #if _GLIBCPP_HAVE_WCHAR_H
00054 #include <wchar.h>
00055 #endif
00056 
00057 // Need to do a bit of trickery here with mbstate_t as char_traits
00058 // assumes it is in wchar.h, regardless of wchar_t specializations.
00059 #ifndef _GLIBCPP_HAVE_MBSTATE_T
00060 extern "C" 
00061 {
00062   typedef struct 
00063   {
00064     int __fill[6];
00065   } mbstate_t;
00066 }
00067 #endif
00068 
00069 namespace std 
00070 {
00071   using ::mbstate_t;
00072 }
00073 
00074 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
00075 #undef btowc
00076 #undef fgetwc
00077 #undef fgetws
00078 #undef fputwc
00079 #undef fputws
00080 #undef fwide
00081 #undef fwprintf
00082 #undef fwscanf
00083 #undef getwc
00084 #undef getwchar
00085 #undef mbrlen
00086 #undef mbrtowc
00087 #undef mbsinit
00088 #undef mbsrtowcs
00089 #undef putwc
00090 #undef putwchar
00091 #undef swprintf
00092 #undef swscanf
00093 #undef ungetwc
00094 #undef vfwprintf
00095 #undef vfwscanf
00096 #undef vswprintf
00097 #undef vswscanf
00098 #undef vwprintf
00099 #undef vwscanf
00100 #undef wcrtomb
00101 #undef wcscat
00102 #undef wcschr
00103 #undef wcscmp
00104 #undef wcscoll
00105 #undef wcscpy
00106 #undef wcscspn
00107 #undef wcsftime
00108 #undef wcslen
00109 #undef wcsncat
00110 #undef wcsncmp
00111 #undef wcsncpy
00112 #undef wcspbrk
00113 #undef wcsrchr
00114 #undef wcsrtombs
00115 #undef wcsspn
00116 #undef wcsstr
00117 #undef wcstod
00118 #undef wcstof
00119 #undef wcstok
00120 #undef wcstol
00121 #undef wcstoul
00122 #undef wcsxfrm
00123 #undef wctob
00124 #undef wmemchr
00125 #undef wmemcmp
00126 #undef wmemcpy
00127 #undef wmemmove
00128 #undef wmemset
00129 #undef wprintf
00130 #undef wscanf
00131 
00132 #if _GLIBCPP_USE_WCHAR_T
00133 namespace std
00134 {
00135   using ::wint_t;
00136 
00137   using ::btowc;
00138   using ::fgetwc;
00139   using ::fgetws;
00140   using ::fputwc;
00141   using ::fputws;
00142   using ::fwide;
00143   using ::fwprintf;
00144   using ::fwscanf;
00145   using ::getwc;
00146   using ::getwchar;
00147   using ::mbrlen;
00148   using ::mbrtowc;
00149   using ::mbsinit;
00150   using ::mbsrtowcs;
00151   using ::putwc;
00152   using ::putwchar;
00153   using ::swprintf;
00154   using ::swscanf;
00155   using ::ungetwc;
00156   using ::vfwprintf;
00157   using ::vfwscanf;
00158   using ::vswprintf;
00159   using ::vswscanf;
00160   using ::vwprintf;
00161   using ::vwscanf;
00162   using ::wcrtomb;
00163   using ::wcscat;
00164   using ::wcscmp;
00165   using ::wcscoll;
00166   using ::wcscpy;
00167   using ::wcscspn;
00168   using ::wcsftime;
00169   using ::wcslen;
00170   using ::wcsncat;
00171   using ::wcsncmp;
00172   using ::wcsncpy;
00173   using ::wcsrtombs;
00174   using ::wcsspn;
00175   using ::wcstod;
00176   using ::wcstof;
00177   using ::wcstok;
00178   using ::wcstol;
00179   using ::wcstoul;
00180   using ::wcsxfrm;
00181   using ::wctob;
00182   using ::wmemcmp;
00183   using ::wmemcpy;
00184   using ::wmemmove;
00185   using ::wmemset;
00186   using ::wprintf;
00187   using ::wscanf;
00188 
00189   using ::wcschr;
00190 
00191   inline wchar_t*
00192   wcschr(wchar_t* __p, wchar_t __c)
00193   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
00194 
00195   using ::wcspbrk;
00196 
00197   inline wchar_t*
00198   wcspbrk(wchar_t* __s1, wchar_t* __s2)
00199   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
00200 
00201   using ::wcsrchr;
00202 
00203   inline wchar_t*
00204   wcsrchr(wchar_t* __p, wchar_t __c)
00205   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
00206 
00207   using ::wcsstr;
00208 
00209   inline wchar_t*
00210   wcsstr(wchar_t* __s1, wchar_t* __s2)
00211   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
00212 
00213   using ::wmemchr;
00214 
00215   inline wchar_t*
00216   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
00217   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
00218 }
00219 
00220 #if _GLIBCPP_USE_C99
00221 
00222 #undef wcstold
00223 #undef wcstoll
00224 #undef wcstoull
00225 
00226 namespace __gnu_cxx
00227 {
00228 #if _GLIBCPP_USE_C99_CHECK || _GLIBCPP_USE_C99_DYNAMIC
00229   extern "C" long double
00230     (wcstold)(const wchar_t * restrict, wchar_t ** restrict);
00231 #endif
00232 #if !_GLIBCPP_USE_C99_DYNAMIC
00233   using ::wcstold;
00234 #endif
00235 #if _GLIBCPP_USE_C99_LONG_LONG_CHECK || _GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
00236   extern "C" long long int
00237     (wcstoll)(const wchar_t * restrict, wchar_t ** restrict, int);
00238   extern "C" unsigned long long int
00239     (wcstoull)(const wchar_t * restrict, wchar_t ** restrict, int);
00240 #endif
00241 #if !_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
00242   using ::wcstoll;
00243   using ::wcstoull;
00244 #endif
00245 }
00246 
00247 namespace std
00248 {
00249   using __gnu_cxx::wcstold;
00250   using __gnu_cxx::wcstoll;
00251   using __gnu_cxx::wcstoull;
00252 }
00253 #endif
00254 
00255 #endif //_GLIBCPP_USE_WCHAR_T
00256 
00257 #endif 

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