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
   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 "*.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 #include <cstddef>
  45
  46 #if _GLIBCXX_HAVE_WCHAR_H
  47 #include <wchar.h>
  48 #endif
  49
  50 #ifndef _GLIBCXX_CWCHAR
  51 #define _GLIBCXX_CWCHAR 1
  52
  53 // Need to do a bit of trickery here with mbstate_t as char_traits
  54 // assumes it is in wchar.h, regardless of wchar_t specializations.
  55 #ifndef _GLIBCXX_HAVE_MBSTATE_T
  56 extern "C"
  57 {
  58   typedef struct
  59   {
  60     int __fill[6];
  61   } mbstate_t;
  62 }
  63 #endif
  64
  65 _GLIBCXX_BEGIN_NAMESPACE(std)
  66
  67   using ::mbstate_t;
  68
  69 _GLIBCXX_END_NAMESPACE
  70
  71 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
  72 #undef btowc
  73 #undef fgetwc
  74 #undef fgetws
  75 #undef fputwc
  76 #undef fputws
  77 #undef fwide
  78 #undef fwprintf
  79 #undef fwscanf
  80 #undef getwc
  81 #undef getwchar
  82 #undef mbrlen
  83 #undef mbrtowc
  84 #undef mbsinit
  85 #undef mbsrtowcs
  86 #undef putwc
  87 #undef putwchar
  88 #undef swprintf
  89 #undef swscanf
  90 #undef ungetwc
  91 #undef vfwprintf
  92 #if _GLIBCXX_HAVE_VFWSCANF
  93 # undef vfwscanf
  94 #endif
  95 #undef vswprintf
  96 #if _GLIBCXX_HAVE_VSWSCANF
  97 # undef vswscanf
  98 #endif
  99 #undef vwprintf
 100 #if _GLIBCXX_HAVE_VWSCANF
 101 # undef vwscanf
 102 #endif
 103 #undef wcrtomb
 104 #undef wcscat
 105 #undef wcschr
 106 #undef wcscmp
 107 #undef wcscoll
 108 #undef wcscpy
 109 #undef wcscspn
 110 #undef wcsftime
 111 #undef wcslen
 112 #undef wcsncat
 113 #undef wcsncmp
 114 #undef wcsncpy
 115 #undef wcspbrk
 116 #undef wcsrchr
 117 #undef wcsrtombs
 118 #undef wcsspn
 119 #undef wcsstr
 120 #undef wcstod
 121 #if _GLIBCXX_HAVE_WCSTOF
 122 # undef wcstof
 123 #endif
 124 #undef wcstok
 125 #undef wcstol
 126 #undef wcstoul
 127 #undef wcsxfrm
 128 #undef wctob
 129 #undef wmemchr
 130 #undef wmemcmp
 131 #undef wmemcpy
 132 #undef wmemmove
 133 #undef wmemset
 134 #undef wprintf
 135 #undef wscanf
 136
 137 #if _GLIBCXX_USE_WCHAR_T
 138
 139 _GLIBCXX_BEGIN_NAMESPACE(std)
 140
 141   using ::wint_t;
 142
 143   using ::btowc;
 144   using ::fgetwc;
 145   using ::fgetws;
 146   using ::fputwc;
 147   using ::fputws;
 148   using ::fwide;
 149   using ::fwprintf;
 150   using ::fwscanf;
 151   using ::getwc;
 152   using ::getwchar;
 153   using ::mbrlen;
 154   using ::mbrtowc;
 155   using ::mbsinit;
 156   using ::mbsrtowcs;
 157   using ::putwc;
 158   using ::putwchar;
 159 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
 160   using ::swprintf;
 161 #endif
 162   using ::swscanf;
 163   using ::ungetwc;
 164   using ::vfwprintf;
 165 #if _GLIBCXX_HAVE_VFWSCANF
 166   using ::vfwscanf;
 167 #endif
 168 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
 169   using ::vswprintf;
 170 #endif
 171 #if _GLIBCXX_HAVE_VSWSCANF
 172   using ::vswscanf;
 173 #endif
 174   using ::vwprintf;
 175 #if _GLIBCXX_HAVE_VWSCANF
 176   using ::vwscanf;
 177 #endif
 178   using ::wcrtomb;
 179   using ::wcscat;
 180   using ::wcscmp;
 181   using ::wcscoll;
 182   using ::wcscpy;
 183   using ::wcscspn;
 184   using ::wcsftime;
 185   using ::wcslen;
 186   using ::wcsncat;
 187   using ::wcsncmp;
 188   using ::wcsncpy;
 189   using ::wcsrtombs;
 190   using ::wcsspn;
 191   using ::wcstod;
 192 #if _GLIBCXX_HAVE_WCSTOF
 193   using ::wcstof;
 194 #endif
 195   using ::wcstok;
 196   using ::wcstol;
 197   using ::wcstoul;
 198   using ::wcsxfrm;
 199   using ::wctob;
 200   using ::wmemcmp;
 201   using ::wmemcpy;
 202   using ::wmemmove;
 203   using ::wmemset;
 204   using ::wprintf;
 205   using ::wscanf;
 206   using ::wcschr;
 207   using ::wcspbrk;
 208   using ::wcsrchr;
 209   using ::wcsstr;
 210   using ::wmemchr;
 211
 212 #ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO
 213   inline wchar_t*
 214   wcschr(wchar_t* __p, wchar_t __c)
 215   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
 216
 217   inline wchar_t*
 218   wcspbrk(wchar_t* __s1, const wchar_t* __s2)
 219   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
 220
 221   inline wchar_t*
 222   wcsrchr(wchar_t* __p, wchar_t __c)
 223   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
 224
 225   inline wchar_t*
 226   wcsstr(wchar_t* __s1, const wchar_t* __s2)
 227   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
 228
 229   inline wchar_t*
 230   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
 231   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
 232 #endif
 233
 234 _GLIBCXX_END_NAMESPACE
 235
 236 #if _GLIBCXX_USE_C99
 237
 238 #undef wcstold
 239 #undef wcstoll
 240 #undef wcstoull
 241
 242 _GLIBCXX_BEGIN_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) throw ();
 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) throw ();
 254   extern "C" unsigned long long int
 255     (wcstoull)(const wchar_t * restrict, wchar_t ** restrict, int) throw ();
 256 #endif
 257 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 258   using ::wcstoll;
 259   using ::wcstoull;
 260 #endif
 261
 262 _GLIBCXX_END_NAMESPACE
 263
 264 _GLIBCXX_BEGIN_NAMESPACE(std)
 265
 266   using ::__gnu_cxx::wcstold;
 267   using ::__gnu_cxx::wcstoll;
 268   using ::__gnu_cxx::wcstoull;
 269
 270 _GLIBCXX_END_NAMESPACE
 271
 272 #endif
 273
 274 #endif //_GLIBCXX_USE_WCHAR_T
 275
 276 #ifdef __GXX_EXPERIMENTAL_CXX0X__
 277 #  if defined(_GLIBCXX_INCLUDE_AS_TR1)
 278 #    error C++0x header cannot be included from TR1 header
 279 #  endif
 280 #  if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
 281 #    include <tr1_impl/cwchar>
 282 #  else
 283 #    define _GLIBCXX_INCLUDE_AS_CXX0X
 284 #    define _GLIBCXX_BEGIN_NAMESPACE_TR1
 285 #    define _GLIBCXX_END_NAMESPACE_TR1
 286 #    define _GLIBCXX_TR1
 287 #    include <tr1_impl/cwchar>
 288 #    undef _GLIBCXX_TR1
 289 #    undef _GLIBCXX_END_NAMESPACE_TR1
 290 #    undef _GLIBCXX_BEGIN_NAMESPACE_TR1
 291 #    undef _GLIBCXX_INCLUDE_AS_CXX0X
 292 #  endif
 293 #endif
 294
 295 #endif