1// -*- C++ -*- forwarding header.
2
3// Copyright (C) 2015-2022 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
71namespace 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
92namespace 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
109