libstdc++-v3/include/c_std/cwchar

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997-2015 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 /** @file include/cwchar
  26  *  This is a Standard C++ Library file.  You should @c #include this file
  27  *  in your programs, rather than any of the @a *.h implementation files.
  28  *
  29  *  This is the C++ version of the Standard C Library header @c wchar.h,
  30  *  and its contents are (mostly) the same as that header, but are all
  31  *  contained in the namespace @c std (except for names which are defined
  32  *  as macros in C).
  33  */
  34
  35 //
  36 // ISO C++ 14882: 21.4
  37 //
  38
  39 #ifndef _GLIBCXX_CWCHAR
  40 #define _GLIBCXX_CWCHAR 1
  41
  42 #pragma GCC system_header
  43
  44 #include <bits/c++config.h>
  45
  46 #if _GLIBCXX_HAVE_WCHAR_H
  47 #include <wchar.h>
  48 #endif
  49
  50 // Need to do a bit of trickery here with mbstate_t as char_traits
  51 // assumes it is in wchar.h, regardless of wchar_t specializations.
  52 #ifndef _GLIBCXX_HAVE_MBSTATE_T
  53 extern "C"
  54 {
  55   typedef struct
  56   {
  57     int __fill[6];
  58   } mbstate_t;
  59 }
  60 #endif
  61
  62 namespace std
  63 {
  64   using ::mbstate_t;
  65 } // namespace std
  66
  67 // Get rid of those macros defined in <wchar.h> in lieu of real functions.
  68 #undef btowc
  69 #undef fgetwc
  70 #undef fgetws
  71 #undef fputwc
  72 #undef fputws
  73 #undef fwide
  74 #undef fwprintf
  75 #undef fwscanf
  76 #undef getwc
  77 #undef getwchar
  78 #undef mbrlen
  79 #undef mbrtowc
  80 #undef mbsinit
  81 #undef mbsrtowcs
  82 #undef putwc
  83 #undef putwchar
  84 #undef swprintf
  85 #undef swscanf
  86 #undef ungetwc
  87 #undef vfwprintf
  88 #if _GLIBCXX_HAVE_VFWSCANF
  89 # undef vfwscanf
  90 #endif
  91 #undef vswprintf
  92 #if _GLIBCXX_HAVE_VSWSCANF
  93 # undef vswscanf
  94 #endif
  95 #undef vwprintf
  96 #if _GLIBCXX_HAVE_VWSCANF
  97 # undef vwscanf
  98 #endif
  99 #undef wcrtomb
 100 #undef wcscat
 101 #undef wcschr
 102 #undef wcscmp
 103 #undef wcscoll
 104 #undef wcscpy
 105 #undef wcscspn
 106 #undef wcsftime
 107 #undef wcslen
 108 #undef wcsncat
 109 #undef wcsncmp
 110 #undef wcsncpy
 111 #undef wcspbrk
 112 #undef wcsrchr
 113 #undef wcsrtombs
 114 #undef wcsspn
 115 #undef wcsstr
 116 #undef wcstod
 117 #if _GLIBCXX_HAVE_WCSTOF
 118 # undef wcstof
 119 #endif
 120 #undef wcstok
 121 #undef wcstol
 122 #undef wcstoul
 123 #undef wcsxfrm
 124 #undef wctob
 125 #undef wmemchr
 126 #undef wmemcmp
 127 #undef wmemcpy
 128 #undef wmemmove
 129 #undef wmemset
 130 #undef wprintf
 131 #undef wscanf
 132
 133 #if _GLIBCXX_USE_WCHAR_T
 134
 135 namespace std _GLIBCXX_VISIBILITY(default)
 136 {
 137 _GLIBCXX_BEGIN_NAMESPACE_VERSION
 138
 139   using ::wint_t;
 140
 141   using ::btowc;
 142   using ::fgetwc;
 143   using ::fgetws;
 144   using ::fputwc;
 145   using ::fputws;
 146   using ::fwide;
 147   using ::fwprintf;
 148   using ::fwscanf;
 149   using ::getwc;
 150   using ::getwchar;
 151   using ::mbrlen;
 152   using ::mbrtowc;
 153   using ::mbsinit;
 154   using ::mbsrtowcs;
 155   using ::putwc;
 156   using ::putwchar;
 157   using ::swprintf;
 158   using ::swscanf;
 159   using ::ungetwc;
 160   using ::vfwprintf;
 161 #if _GLIBCXX_HAVE_VFWSCANF
 162   using ::vfwscanf;
 163 #endif
 164   using ::vswprintf;
 165 #if _GLIBCXX_HAVE_VSWSCANF
 166   using ::vswscanf;
 167 #endif
 168   using ::vwprintf;
 169 #if _GLIBCXX_HAVE_VWSCANF
 170   using ::vwscanf;
 171 #endif
 172   using ::wcrtomb;
 173   using ::wcscat;
 174   using ::wcscmp;
 175   using ::wcscoll;
 176   using ::wcscpy;
 177   using ::wcscspn;
 178   using ::wcsftime;
 179   using ::wcslen;
 180   using ::wcsncat;
 181   using ::wcsncmp;
 182   using ::wcsncpy;
 183   using ::wcsrtombs;
 184   using ::wcsspn;
 185   using ::wcstod;
 186 #if _GLIBCXX_HAVE_WCSTOF
 187   using ::wcstof;
 188 #endif
 189   using ::wcstok;
 190   using ::wcstol;
 191   using ::wcstoul;
 192   using ::wcsxfrm;
 193   using ::wctob;
 194   using ::wmemcmp;
 195   using ::wmemcpy;
 196   using ::wmemmove;
 197   using ::wmemset;
 198   using ::wprintf;
 199   using ::wscanf;
 200   using ::wcschr;
 201   using ::wcspbrk;
 202   using ::wcsrchr;
 203   using ::wcsstr;
 204   using ::wmemchr;
 205
 206 #ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO
 207   inline wchar_t*
 208   wcschr(wchar_t* __p, wchar_t __c)
 209   { return wcschr(const_cast<const wchar_t*>(__p), __c); }
 210
 211   inline wchar_t*
 212   wcspbrk(wchar_t* __s1, const wchar_t* __s2)
 213   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
 214
 215   inline wchar_t*
 216   wcsrchr(wchar_t* __p, wchar_t __c)
 217   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
 218
 219   inline wchar_t*
 220   wcsstr(wchar_t* __s1, const wchar_t* __s2)
 221   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
 222
 223   inline wchar_t*
 224   wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
 225   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
 226 #endif
 227
 228 _GLIBCXX_END_NAMESPACE_VERSION
 229 } // namespace
 230
 231 #if _GLIBCXX_USE_C99
 232
 233 #undef wcstold
 234 #undef wcstoll
 235 #undef wcstoull
 236
 237 namespace __gnu_cxx
 238 {
 239 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
 240   extern "C" long double
 241     (wcstold)(const wchar_t * __restrict, wchar_t ** __restrict) throw ();
 242 #endif
 243 #if !_GLIBCXX_USE_C99_DYNAMIC
 244   using ::wcstold;
 245 #endif
 246 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 247   extern "C" long long int
 248     (wcstoll)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
 249   extern "C" unsigned long long int
 250     (wcstoull)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
 251 #endif
 252 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
 253   using ::wcstoll;
 254   using ::wcstoull;
 255 #endif
 256 } // namespace __gnu_cxx
 257
 258 namespace std
 259 {
 260   using ::__gnu_cxx::wcstold;
 261   using ::__gnu_cxx::wcstoll;
 262   using ::__gnu_cxx::wcstoull;
 263 } // namespace std
 264
 265 #endif
 266
 267 #endif //_GLIBCXX_USE_WCHAR_T
 268
 269 #endif