libstdc++-v3/include/c_std/cwchar

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   4 // 2006, 2007, 2009, 2010, 2011
   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 #ifndef _GLIBCXX_CWCHAR
  42 #define _GLIBCXX_CWCHAR 1
  43
  44 #pragma GCC system_header
  45
  46 #include <bits/c++config.h>
  47
  48 #if _GLIBCXX_HAVE_WCHAR_H
  49 #include <wchar.h>
  50 #endif
  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 namespace std
  65 {
  66   using ::mbstate_t;
  67 } // namespace std
  68
  69 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
  70 #undef btowc
  71 #undef fgetwc
  72 #undef fgetws
  73 #undef fputwc
  74 #undef fputws
  75 #undef fwide
  76 #undef fwprintf
  77 #undef fwscanf
  78 #undef getwc
  79 #undef getwchar
  80 #undef mbrlen
  81 #undef mbrtowc
  82 #undef mbsinit
  83 #undef mbsrtowcs
  84 #undef putwc
  85 #undef putwchar
  86 #undef swprintf
  87 #undef swscanf
  88 #undef ungetwc
  89 #undef vfwprintf
  90 #if _GLIBCXX_HAVE_VFWSCANF
  91 # undef vfwscanf
  92 #endif
  93 #undef vswprintf
  94 #if _GLIBCXX_HAVE_VSWSCANF
  95 # undef vswscanf
  96 #endif
  97 #undef vwprintf
  98 #if _GLIBCXX_HAVE_VWSCANF
  99 # undef vwscanf
 100 #endif
 101 #undef wcrtomb
 102 #undef wcscat
 103 #undef wcschr
 104 #undef wcscmp
 105 #undef wcscoll
 106 #undef wcscpy
 107 #undef wcscspn
 108 #undef wcsftime
 109 #undef wcslen
 110 #undef wcsncat
 111 #undef wcsncmp
 112 #undef wcsncpy
 113 #undef wcspbrk
 114 #undef wcsrchr
 115 #undef wcsrtombs
 116 #undef wcsspn
 117 #undef wcsstr
 118 #undef wcstod
 119 #if _GLIBCXX_HAVE_WCSTOF
 120 # undef wcstof
 121 #endif
 122 #undef wcstok
 123 #undef wcstol
 124 #undef wcstoul
 125 #undef wcsxfrm
 126 #undef wctob
 127 #undef wmemchr
 128 #undef wmemcmp
 129 #undef wmemcpy
 130 #undef wmemmove
 131 #undef wmemset
 132 #undef wprintf
 133 #undef wscanf
 134
 135 #if _GLIBCXX_USE_WCHAR_T
 136
 137 namespace std _GLIBCXX_VISIBILITY(default)
 138 {
 139 _GLIBCXX_BEGIN_NAMESPACE_VERSION
 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   using ::swprintf;
 160   using ::swscanf;
 161   using ::ungetwc;
 162   using ::vfwprintf;
 163 #if _GLIBCXX_HAVE_VFWSCANF
 164   using ::vfwscanf;
 165 #endif
 166   using ::vswprintf;
 167 #if _GLIBCXX_HAVE_VSWSCANF
 168   using ::vswscanf;
 169 #endif
 170   using ::vwprintf;
 171 #if _GLIBCXX_HAVE_VWSCANF
 172   using ::vwscanf;
 173 #endif
 174   using ::wcrtomb;
 175   using ::wcscat;
 176   using ::wcscmp;
 177   using ::wcscoll;
 178   using ::wcscpy;
 179   using ::wcscspn;
 180   using ::wcsftime;
 181   using ::wcslen;
 182   using ::wcsncat;
 183   using ::wcsncmp;
 184   using ::wcsncpy;
 185   using ::wcsrtombs;
 186   using ::wcsspn;
 187   using ::wcstod;
 188 #if _GLIBCXX_HAVE_WCSTOF
 189   using ::wcstof;
 190 #endif
 191   using ::wcstok;
 192   using ::wcstol;
 193   using ::wcstoul;
 194   using ::wcsxfrm;
 195   using ::wctob;
 196   using ::wmemcmp;
 197   using ::wmemcpy;
 198   using ::wmemmove;
 199   using ::wmemset;
 200   using ::wprintf;
 201   using ::wscanf;
 202   using ::wcschr;
 203   using ::wcspbrk;
 204   using ::wcsrchr;
 205   using ::wcsstr;
 206   using ::wmemchr;
 207
 208 #ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO
 209   inline wchar_t*
 210   wcschr(wchar_t* __p, wchar_t __c)
 211   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
 212
 213   inline wchar_t*
 214   wcspbrk(wchar_t* __s1, const wchar_t* __s2)
 215   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
 216
 217   inline wchar_t*
 218   wcsrchr(wchar_t* __p, wchar_t __c)
 219   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
 220
 221   inline wchar_t*
 222   wcsstr(wchar_t* __s1, const wchar_t* __s2)
 223   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
 224
 225   inline wchar_t*
 226   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
 227   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
 228 #endif
 229
 230 _GLIBCXX_END_NAMESPACE_VERSION
 231 } // namespace
 232
 233 #if _GLIBCXX_USE_C99
 234
 235 #undef wcstold
 236 #undef wcstoll
 237 #undef wcstoull
 238
 239 namespace __gnu_cxx
 240 {
 241 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
 242   extern "C" long double
 243     (wcstold)(const wchar_t * __restrict, wchar_t ** __restrict) throw ();
 244 #endif
 245 #if !_GLIBCXX_USE_C99_DYNAMIC
 246   using ::wcstold;
 247 #endif
 248 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 249   extern "C" long long int
 250     (wcstoll)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
 251   extern "C" unsigned long long int
 252     (wcstoull)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
 253 #endif
 254 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 255   using ::wcstoll;
 256   using ::wcstoull;
 257 #endif
 258 } // namespace __gnu_cxx
 259
 260 namespace std
 261 {
 262   using ::__gnu_cxx::wcstold;
 263   using ::__gnu_cxx::wcstoll;
 264   using ::__gnu_cxx::wcstoull;
 265 } // namespace std
 266
 267 #endif
 268
 269 #endif //_GLIBCXX_USE_WCHAR_T
 270
 271 #endif