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
   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 2, 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 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 // As a special exception, you may use this file as part of a free software
  24 // library without restriction.  Specifically, if other files instantiate
  25 // templates or use macros or inline functions from this file, or you compile
  26 // this file and link it with other files to produce an executable, this
  27 // file does not by itself cause the resulting executable to be covered by
  28 // the GNU General Public License.  This exception does not however
  29 // invalidate any other reasons why the executable file might be covered by
  30 // the GNU General Public License.
  31
  32 /** @file include/cwchar
  33  *  This is a Standard C++ Library file.  You should @c #include this file
  34  *  in your programs, rather than any of the "*.h" implementation files.
  35  *
  36  *  This is the C++ version of the Standard C Library header @c wchar.h,
  37  *  and its contents are (mostly) the same as that header, but are all
  38  *  contained in the namespace @c std (except for names which are defined
  39  *  as macros in C).
  40  */
  41
  42 //
  43 // ISO C++ 14882: 21.4
  44 //
  45
  46 #ifndef _GLIBCXX_CWCHAR
  47 #define _GLIBCXX_CWCHAR 1
  48
  49 #pragma GCC system_header
  50
  51 #include <bits/c++config.h>
  52 #include <cstddef>
  53
  54 #if _GLIBCXX_HAVE_WCHAR_H
  55 #include <wchar.h>
  56 #endif
  57
  58 // Need to do a bit of trickery here with mbstate_t as char_traits
  59 // assumes it is in wchar.h, regardless of wchar_t specializations.
  60 #ifndef _GLIBCXX_HAVE_MBSTATE_T
  61 extern "C"
  62 {
  63   typedef struct
  64   {
  65     int __fill[6];
  66   } mbstate_t;
  67 }
  68 #endif
  69
  70 _GLIBCXX_BEGIN_NAMESPACE(std)
  71
  72   using ::mbstate_t;
  73
  74 _GLIBCXX_END_NAMESPACE
  75
  76 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
  77 #undef btowc
  78 #undef fgetwc
  79 #undef fgetws
  80 #undef fputwc
  81 #undef fputws
  82 #undef fwide
  83 #undef fwprintf
  84 #undef fwscanf
  85 #undef getwc
  86 #undef getwchar
  87 #undef mbrlen
  88 #undef mbrtowc
  89 #undef mbsinit
  90 #undef mbsrtowcs
  91 #undef putwc
  92 #undef putwchar
  93 #undef swprintf
  94 #undef swscanf
  95 #undef ungetwc
  96 #undef vfwprintf
  97 #if _GLIBCXX_HAVE_VFWSCANF
  98 # undef vfwscanf
  99 #endif
 100 #undef vswprintf
 101 #if _GLIBCXX_HAVE_VSWSCANF
 102 # undef vswscanf
 103 #endif
 104 #undef vwprintf
 105 #if _GLIBCXX_HAVE_VWSCANF
 106 # undef vwscanf
 107 #endif
 108 #undef wcrtomb
 109 #undef wcscat
 110 #undef wcschr
 111 #undef wcscmp
 112 #undef wcscoll
 113 #undef wcscpy
 114 #undef wcscspn
 115 #undef wcsftime
 116 #undef wcslen
 117 #undef wcsncat
 118 #undef wcsncmp
 119 #undef wcsncpy
 120 #undef wcspbrk
 121 #undef wcsrchr
 122 #undef wcsrtombs
 123 #undef wcsspn
 124 #undef wcsstr
 125 #undef wcstod
 126 #if _GLIBCXX_HAVE_WCSTOF
 127 # undef wcstof
 128 #endif
 129 #undef wcstok
 130 #undef wcstol
 131 #undef wcstoul
 132 #undef wcsxfrm
 133 #undef wctob
 134 #undef wmemchr
 135 #undef wmemcmp
 136 #undef wmemcpy
 137 #undef wmemmove
 138 #undef wmemset
 139 #undef wprintf
 140 #undef wscanf
 141
 142 #if _GLIBCXX_USE_WCHAR_T
 143
 144 _GLIBCXX_BEGIN_NAMESPACE(std)
 145
 146   using ::wint_t;
 147
 148   using ::btowc;
 149   using ::fgetwc;
 150   using ::fgetws;
 151   using ::fputwc;
 152   using ::fputws;
 153   using ::fwide;
 154   using ::fwprintf;
 155   using ::fwscanf;
 156   using ::getwc;
 157   using ::getwchar;
 158   using ::mbrlen;
 159   using ::mbrtowc;
 160   using ::mbsinit;
 161   using ::mbsrtowcs;
 162   using ::putwc;
 163   using ::putwchar;
 164   using ::swprintf;
 165   using ::swscanf;
 166   using ::ungetwc;
 167   using ::vfwprintf;
 168 #if _GLIBCXX_HAVE_VFWSCANF
 169   using ::vfwscanf;
 170 #endif
 171   using ::vswprintf;
 172 #if _GLIBCXX_HAVE_VSWSCANF
 173   using ::vswscanf;
 174 #endif
 175   using ::vwprintf;
 176 #if _GLIBCXX_HAVE_VWSCANF
 177   using ::vwscanf;
 178 #endif
 179   using ::wcrtomb;
 180   using ::wcscat;
 181   using ::wcscmp;
 182   using ::wcscoll;
 183   using ::wcscpy;
 184   using ::wcscspn;
 185   using ::wcsftime;
 186   using ::wcslen;
 187   using ::wcsncat;
 188   using ::wcsncmp;
 189   using ::wcsncpy;
 190   using ::wcsrtombs;
 191   using ::wcsspn;
 192   using ::wcstod;
 193 #if _GLIBCXX_HAVE_WCSTOF
 194   using ::wcstof;
 195 #endif
 196   using ::wcstok;
 197   using ::wcstol;
 198   using ::wcstoul;
 199   using ::wcsxfrm;
 200   using ::wctob;
 201   using ::wmemcmp;
 202   using ::wmemcpy;
 203   using ::wmemmove;
 204   using ::wmemset;
 205   using ::wprintf;
 206   using ::wscanf;
 207
 208   using ::wcschr;
 209
 210   inline wchar_t*
 211   wcschr(wchar_t* __p, wchar_t __c)
 212   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
 213
 214   using ::wcspbrk;
 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   using ::wcsrchr;
 221
 222   inline wchar_t*
 223   wcsrchr(wchar_t* __p, wchar_t __c)
 224   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
 225
 226   using ::wcsstr;
 227
 228   inline wchar_t*
 229   wcsstr(wchar_t* __s1, const wchar_t* __s2)
 230   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
 231
 232   using ::wmemchr;
 233
 234   inline wchar_t*
 235   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
 236   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
 237
 238 _GLIBCXX_END_NAMESPACE
 239
 240 #if _GLIBCXX_USE_C99
 241
 242 #undef wcstold
 243 #undef wcstoll
 244 #undef wcstoull
 245
 246 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 247
 248 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
 249   extern "C" long double
 250     (wcstold)(const wchar_t * restrict, wchar_t ** restrict);
 251 #endif
 252 #if !_GLIBCXX_USE_C99_DYNAMIC
 253   using ::wcstold;
 254 #endif
 255 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 256   extern "C" long long int
 257     (wcstoll)(const wchar_t * restrict, wchar_t ** restrict, int);
 258   extern "C" unsigned long long int
 259     (wcstoull)(const wchar_t * restrict, wchar_t ** restrict, int);
 260 #endif
 261 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 262   using ::wcstoll;
 263   using ::wcstoull;
 264 #endif
 265
 266 _GLIBCXX_END_NAMESPACE
 267
 268 _GLIBCXX_BEGIN_NAMESPACE(std)
 269
 270   using ::__gnu_cxx::wcstold;
 271   using ::__gnu_cxx::wcstoll;
 272   using ::__gnu_cxx::wcstoull;
 273
 274 _GLIBCXX_END_NAMESPACE
 275
 276 #endif
 277
 278 #endif //_GLIBCXX_USE_WCHAR_T
 279
 280 #endif