1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef _LIBCPP___MBSTATE_T_H 11 #define _LIBCPP___MBSTATE_T_H 12 13 #include <__config> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 # pragma GCC system_header 17 #endif 18 19 // TODO(ldionne): 20 // The goal of this header is to provide mbstate_t without having to pull in 21 // <wchar.h> or <uchar.h>. This is necessary because we need that type even 22 // when we don't have (or try to provide) support for wchar_t, because several 23 // types like std::fpos are defined in terms of mbstate_t. 24 // 25 // This is a gruesome hack, but I don't know how to make it cleaner for 26 // the time being. 27 28 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 29 # include <wchar.h> // for mbstate_t 30 #elif __has_include(<bits/types/mbstate_t.h>) 31 # include <bits/types/mbstate_t.h> // works on most Unixes 32 #elif __has_include(<sys/_types/_mbstate_t.h>) 33 # include <sys/_types/_mbstate_t.h> // works on Darwin 34 #else 35 # error "The library was configured without support for wide-characters, but we don't know how to get the definition of mbstate_t without <wchar.h> on your platform." 36 #endif 37 38 _LIBCPP_BEGIN_NAMESPACE_STD 39 40 using ::mbstate_t _LIBCPP_USING_IF_EXISTS; 41 42 _LIBCPP_END_NAMESPACE_STD 43 44 #endif // _LIBCPP___MBSTATE_T_H 45