libstdc++-v3/include/c_std/std_cwchar.h

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 //
  32 // ISO C++ 14882: 21.4
  33 //
  34
  35 /** @file cwchar
  36  *  This is a Standard C++ Library file.  You should @c #include this file
  37  *  in your programs, rather than any of the "*.h" implementation files.
  38  *
  39  *  This is the C++ version of the Standard C Library header @c wchar.h,
  40  *  and its contents are (mostly) the same as that header, but are all
  41  *  contained in the namespace @c std.
  42  */
  43
  44 #ifndef _GLIBCXX_CWCHAR
  45 #define _GLIBCXX_CWCHAR 1
  46
  47 #pragma GCC system_header
  48
  49 #include <bits/c++config.h>
  50 #include <cstddef>
  51 #include <ctime>
  52
  53 #if _GLIBCXX_HAVE_WCHAR_H
  54 #include <wchar.h>
  55 #endif
  56
  57 // Need to do a bit of trickery here with mbstate_t as char_traits
  58 // assumes it is in wchar.h, regardless of wchar_t specializations.
  59 #ifndef _GLIBCXX_HAVE_MBSTATE_T
  60 extern "C"
  61 {
  62   typedef struct
  63   {
  64     int __fill[6];
  65   } mbstate_t;
  66 }
  67 #endif
  68
  69 namespace std
  70 {
  71   using ::mbstate_t;
  72 }
  73
  74 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
  75 #undef btowc
  76 #undef fgetwc
  77 #undef fgetws
  78 #undef fputwc
  79 #undef fputws
  80 #undef fwide
  81 #undef fwprintf
  82 #undef fwscanf
  83 #undef getwc
  84 #undef getwchar
  85 #undef mbrlen
  86 #undef mbrtowc
  87 #undef mbsinit
  88 #undef mbsrtowcs
  89 #undef putwc
  90 #undef putwchar
  91 #undef swprintf
  92 #undef swscanf
  93 #undef ungetwc
  94 #undef vfwprintf
  95 #if _GLIBCXX_HAVE_VFWSCANF
  96 # undef vfwscanf
  97 #endif
  98 #undef vswprintf
  99 #if _GLIBCXX_HAVE_VSWSCANF
 100 # undef vswscanf
 101 #endif
 102 #undef vwprintf
 103 #if _GLIBCXX_HAVE_VWSCANF
 104 # undef vwscanf
 105 #endif
 106 #undef wcrtomb
 107 #undef wcscat
 108 #undef wcschr
 109 #undef wcscmp
 110 #undef wcscoll
 111 #undef wcscpy
 112 #undef wcscspn
 113 #undef wcsftime
 114 #undef wcslen
 115 #undef wcsncat
 116 #undef wcsncmp
 117 #undef wcsncpy
 118 #undef wcspbrk
 119 #undef wcsrchr
 120 #undef wcsrtombs
 121 #undef wcsspn
 122 #undef wcsstr
 123 #undef wcstod
 124 #if _GLIBCXX_HAVE_WCSTOF
 125 # undef wcstof
 126 #endif
 127 #undef wcstok
 128 #undef wcstol
 129 #undef wcstoul
 130 #undef wcsxfrm
 131 #undef wctob
 132 #undef wmemchr
 133 #undef wmemcmp
 134 #undef wmemcpy
 135 #undef wmemmove
 136 #undef wmemset
 137 #undef wprintf
 138 #undef wscanf
 139
 140 #if _GLIBCXX_USE_WCHAR_T
 141 namespace std
 142 {
 143   using ::wint_t;
 144
 145   using ::btowc;
 146   using ::fgetwc;
 147   using ::fgetws;
 148   using ::fputwc;
 149   using ::fputws;
 150   using ::fwide;
 151   using ::fwprintf;
 152   using ::fwscanf;
 153   using ::getwc;
 154   using ::getwchar;
 155   using ::mbrlen;
 156   using ::mbrtowc;
 157   using ::mbsinit;
 158   using ::mbsrtowcs;
 159   using ::putwc;
 160   using ::putwchar;
 161   using ::swprintf;
 162   using ::swscanf;
 163   using ::ungetwc;
 164   using ::vfwprintf;
 165 #if _GLIBCXX_HAVE_VFWSCANF
 166   using ::vfwscanf;
 167 #endif
 168   using ::vswprintf;
 169 #if _GLIBCXX_HAVE_VSWSCANF
 170   using ::vswscanf;
 171 #endif
 172   using ::vwprintf;
 173 #if _GLIBCXX_HAVE_VWSCANF
 174   using ::vwscanf;
 175 #endif
 176   using ::wcrtomb;
 177   using ::wcscat;
 178   using ::wcscmp;
 179   using ::wcscoll;
 180   using ::wcscpy;
 181   using ::wcscspn;
 182   using ::wcsftime;
 183   using ::wcslen;
 184   using ::wcsncat;
 185   using ::wcsncmp;
 186   using ::wcsncpy;
 187   using ::wcsrtombs;
 188   using ::wcsspn;
 189   using ::wcstod;
 190 #if _GLIBCXX_HAVE_WCSTOF
 191   using ::wcstof;
 192 #endif
 193   using ::wcstok;
 194   using ::wcstol;
 195   using ::wcstoul;
 196   using ::wcsxfrm;
 197   using ::wctob;
 198   using ::wmemcmp;
 199   using ::wmemcpy;
 200   using ::wmemmove;
 201   using ::wmemset;
 202   using ::wprintf;
 203   using ::wscanf;
 204
 205   using ::wcschr;
 206
 207   inline wchar_t*
 208   wcschr(wchar_t* __p, wchar_t __c)
 209   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
 210
 211   using ::wcspbrk;
 212
 213   inline wchar_t*
 214   wcspbrk(wchar_t* __s1, wchar_t* __s2)
 215   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
 216
 217   using ::wcsrchr;
 218
 219   inline wchar_t*
 220   wcsrchr(wchar_t* __p, wchar_t __c)
 221   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
 222
 223   using ::wcsstr;
 224
 225   inline wchar_t*
 226   wcsstr(wchar_t* __s1, wchar_t* __s2)
 227   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
 228
 229   using ::wmemchr;
 230
 231   inline wchar_t*
 232   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
 233   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
 234 }
 235
 236 #if _GLIBCXX_USE_C99
 237
 238 #undef wcstold
 239 #undef wcstoll
 240 #undef wcstoull
 241
 242 namespace __gnu_cxx
 243 {
 244 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
 245   extern "C" long double
 246     (wcstold)(const wchar_t * restrict, wchar_t ** restrict);
 247 #endif
 248 #if !_GLIBCXX_USE_C99_DYNAMIC
 249   using ::wcstold;
 250 #endif
 251 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 252   extern "C" long long int
 253     (wcstoll)(const wchar_t * restrict, wchar_t ** restrict, int);
 254   extern "C" unsigned long long int
 255     (wcstoull)(const wchar_t * restrict, wchar_t ** restrict, int);
 256 #endif
 257 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 258   using ::wcstoll;
 259   using ::wcstoull;
 260 #endif
 261 }
 262
 263 namespace std
 264 {
 265   using __gnu_cxx::wcstold;
 266   using __gnu_cxx::wcstoll;
 267   using __gnu_cxx::wcstoull;
 268 }
 269 #endif
 270
 271 #endif //_GLIBCXX_USE_WCHAR_T
 272
 273 #endif