libstdc++-v3/include/c_global/cwchar

   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 _GLIBCXX_BEGIN_NAMESPACE(std)
  65
  66   using ::mbstate_t;
  67
  68 _GLIBCXX_END_NAMESPACE
  69
  70 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
  71 #undef btowc
  72 #undef fgetwc
  73 #undef fgetws
  74 #undef fputwc
  75 #undef fputws
  76 #undef fwide
  77 #undef fwprintf
  78 #undef fwscanf
  79 #undef getwc
  80 #undef getwchar
  81 #undef mbrlen
  82 #undef mbrtowc
  83 #undef mbsinit
  84 #undef mbsrtowcs
  85 #undef putwc
  86 #undef putwchar
  87 #undef swprintf
  88 #undef swscanf
  89 #undef ungetwc
  90 #undef vfwprintf
  91 #if _GLIBCXX_HAVE_VFWSCANF
  92 # undef vfwscanf
  93 #endif
  94 #undef vswprintf
  95 #if _GLIBCXX_HAVE_VSWSCANF
  96 # undef vswscanf
  97 #endif
  98 #undef vwprintf
  99 #if _GLIBCXX_HAVE_VWSCANF
 100 # undef vwscanf
 101 #endif
 102 #undef wcrtomb
 103 #undef wcscat
 104 #undef wcschr
 105 #undef wcscmp
 106 #undef wcscoll
 107 #undef wcscpy
 108 #undef wcscspn
 109 #undef wcsftime
 110 #undef wcslen
 111 #undef wcsncat
 112 #undef wcsncmp
 113 #undef wcsncpy
 114 #undef wcspbrk
 115 #undef wcsrchr
 116 #undef wcsrtombs
 117 #undef wcsspn
 118 #undef wcsstr
 119 #undef wcstod
 120 #if _GLIBCXX_HAVE_WCSTOF
 121 # undef wcstof
 122 #endif
 123 #undef wcstok
 124 #undef wcstol
 125 #undef wcstoul
 126 #undef wcsxfrm
 127 #undef wctob
 128 #undef wmemchr
 129 #undef wmemcmp
 130 #undef wmemcpy
 131 #undef wmemmove
 132 #undef wmemset
 133 #undef wprintf
 134 #undef wscanf
 135
 136 #if _GLIBCXX_USE_WCHAR_T
 137
 138 _GLIBCXX_BEGIN_NAMESPACE(std)
 139
 140   using ::wint_t;
 141
 142   using ::btowc;
 143   using ::fgetwc;
 144   using ::fgetws;
 145   using ::fputwc;
 146   using ::fputws;
 147   using ::fwide;
 148   using ::fwprintf;
 149   using ::fwscanf;
 150   using ::getwc;
 151   using ::getwchar;
 152   using ::mbrlen;
 153   using ::mbrtowc;
 154   using ::mbsinit;
 155   using ::mbsrtowcs;
 156   using ::putwc;
 157   using ::putwchar;
 158 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
 159   using ::swprintf;
 160 #endif
 161   using ::swscanf;
 162   using ::ungetwc;
 163   using ::vfwprintf;
 164 #if _GLIBCXX_HAVE_VFWSCANF
 165   using ::vfwscanf;
 166 #endif
 167 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
 168   using ::vswprintf;
 169 #endif
 170 #if _GLIBCXX_HAVE_VSWSCANF
 171   using ::vswscanf;
 172 #endif
 173   using ::vwprintf;
 174 #if _GLIBCXX_HAVE_VWSCANF
 175   using ::vwscanf;
 176 #endif
 177   using ::wcrtomb;
 178   using ::wcscat;
 179   using ::wcscmp;
 180   using ::wcscoll;
 181   using ::wcscpy;
 182   using ::wcscspn;
 183   using ::wcsftime;
 184   using ::wcslen;
 185   using ::wcsncat;
 186   using ::wcsncmp;
 187   using ::wcsncpy;
 188   using ::wcsrtombs;
 189   using ::wcsspn;
 190   using ::wcstod;
 191 #if _GLIBCXX_HAVE_WCSTOF
 192   using ::wcstof;
 193 #endif
 194   using ::wcstok;
 195   using ::wcstol;
 196   using ::wcstoul;
 197   using ::wcsxfrm;
 198   using ::wctob;
 199   using ::wmemcmp;
 200   using ::wmemcpy;
 201   using ::wmemmove;
 202   using ::wmemset;
 203   using ::wprintf;
 204   using ::wscanf;
 205   using ::wcschr;
 206   using ::wcspbrk;
 207   using ::wcsrchr;
 208   using ::wcsstr;
 209   using ::wmemchr;
 210
 211 #ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO
 212   inline wchar_t*
 213   wcschr(wchar_t* __p, wchar_t __c)
 214   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
 215
 216   inline wchar_t*
 217   wcspbrk(wchar_t* __s1, const wchar_t* __s2)
 218   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
 219
 220   inline wchar_t*
 221   wcsrchr(wchar_t* __p, wchar_t __c)
 222   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
 223
 224   inline wchar_t*
 225   wcsstr(wchar_t* __s1, const wchar_t* __s2)
 226   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
 227
 228   inline wchar_t*
 229   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
 230   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
 231 #endif
 232
 233 _GLIBCXX_END_NAMESPACE
 234
 235 #if _GLIBCXX_USE_C99
 236
 237 #undef wcstold
 238 #undef wcstoll
 239 #undef wcstoull
 240
 241 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 242
 243 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
 244   extern "C" long double
 245     (wcstold)(const wchar_t * restrict, wchar_t ** restrict) throw ();
 246 #endif
 247 #if !_GLIBCXX_USE_C99_DYNAMIC
 248   using ::wcstold;
 249 #endif
 250 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 251   extern "C" long long int
 252     (wcstoll)(const wchar_t * restrict, wchar_t ** restrict, int) throw ();
 253   extern "C" unsigned long long int
 254     (wcstoull)(const wchar_t * restrict, wchar_t ** restrict, int) throw ();
 255 #endif
 256 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 257   using ::wcstoll;
 258   using ::wcstoull;
 259 #endif
 260
 261 _GLIBCXX_END_NAMESPACE
 262
 263 _GLIBCXX_BEGIN_NAMESPACE(std)
 264
 265   using ::__gnu_cxx::wcstold;
 266   using ::__gnu_cxx::wcstoll;
 267   using ::__gnu_cxx::wcstoull;
 268
 269 _GLIBCXX_END_NAMESPACE
 270
 271 #endif
 272
 273 #endif //_GLIBCXX_USE_WCHAR_T
 274
 275 #ifdef __GXX_EXPERIMENTAL_CXX0X__
 276 #  if defined(_GLIBCXX_INCLUDE_AS_TR1)
 277 #    error C++0x header cannot be included from TR1 header
 278 #  endif
 279 #  if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
 280 #    include <tr1_impl/cwchar>
 281 #  else
 282 #    define _GLIBCXX_INCLUDE_AS_CXX0X
 283 #    define _GLIBCXX_BEGIN_NAMESPACE_TR1
 284 #    define _GLIBCXX_END_NAMESPACE_TR1
 285 #    define _GLIBCXX_TR1
 286 #    include <tr1_impl/cwchar>
 287 #    undef _GLIBCXX_TR1
 288 #    undef _GLIBCXX_END_NAMESPACE_TR1
 289 #    undef _GLIBCXX_BEGIN_NAMESPACE_TR1
 290 #    undef _GLIBCXX_INCLUDE_AS_CXX0X
 291 #  endif
 292 #endif
 293
 294 #endif