libstdc++-v3/include/c_global/cuchar

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 2015-2024 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/cuchar
  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 uchar.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++ 14882:2011 21.8
  37 //
  38
  39 #ifndef _GLIBCXX_CUCHAR
  40 #define _GLIBCXX_CUCHAR 1
  41
  42 #pragma GCC system_header
  43
  44 #if __cplusplus < 201103L
  45 # include <bits/c++0x_warning.h>
  46 #else
  47
  48 #include <bits/c++config.h>
  49 #include <cwchar>
  50
  51 #if (_GLIBCXX_USE_C11_UCHAR_CXX11 \
  52      || (_GLIBCXX_USE_CHAR8_T \
  53          && (_GLIBCXX_USE_UCHAR_C8RTOMB_MBRTOC8_FCHAR8_T \
  54              || (__cplusplus >= 202002 \
  55                  && _GLIBCXX_USE_UCHAR_C8RTOMB_MBRTOC8_CXX20))))
  56
  57 #include <uchar.h>
  58
  59 #endif
  60
  61
  62 // Support for mbrtoc8 and c8rtomb is conditioned on support by the C library.
  63 #if (_GLIBCXX_USE_CHAR8_T \
  64      && (_GLIBCXX_USE_UCHAR_C8RTOMB_MBRTOC8_FCHAR8_T \
  65          || (__cplusplus >= 202002 \
  66              && _GLIBCXX_USE_UCHAR_C8RTOMB_MBRTOC8_CXX20)))
  67
  68 #undef mbrtoc8
  69 #undef c8rtomb
  70
  71 namespace std _GLIBCXX_VISIBILITY(default)
  72 {
  73 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  74
  75   using ::mbrtoc8;
  76   using ::c8rtomb;
  77
  78 _GLIBCXX_END_NAMESPACE_VERSION
  79 } // namespace std
  80
  81 #endif // _GLIBCXX_USE_CHAR8_T
  82
  83
  84 #if _GLIBCXX_USE_C11_UCHAR_CXX11
  85
  86 // Get rid of those macros defined in <uchar.h> in lieu of real functions.
  87 #undef mbrtoc16
  88 #undef c16rtomb
  89 #undef mbrtoc32
  90 #undef c32rtomb
  91
  92 namespace std _GLIBCXX_VISIBILITY(default)
  93 {
  94 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  95
  96   using ::mbrtoc16;
  97   using ::c16rtomb;
  98   using ::mbrtoc32;
  99   using ::c32rtomb;
 100
 101 _GLIBCXX_END_NAMESPACE_VERSION
 102 } // namespace std
 103
 104 #endif // _GLIBCXX_USE_C11_UCHAR_CXX11
 105
 106 #endif // C++11
 107
 108 #endif // _GLIBCXX_CUCHAR