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fa6b9e4010
Now we'll notice if a header forgets to include this magic phrase. Differential Revision: https://reviews.llvm.org/D118800
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___MBSTATE_T_H
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#define _LIBCPP___MBSTATE_T_H
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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// TODO(ldionne):
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// The goal of this header is to provide mbstate_t without having to pull in
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// <wchar.h> or <uchar.h>. This is necessary because we need that type even
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// when we don't have (or try to provide) support for wchar_t, because several
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// types like std::fpos are defined in terms of mbstate_t.
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//
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// This is a gruesome hack, but I don't know how to make it cleaner for
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// the time being.
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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# include <wchar.h> // for mbstate_t
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#elif __has_include(<bits/types/mbstate_t.h>)
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# include <bits/types/mbstate_t.h> // works on most Unixes
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#elif __has_include(<sys/_types/_mbstate_t.h>)
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# include <sys/_types/_mbstate_t.h> // works on Darwin
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#else
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# 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."
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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using ::mbstate_t _LIBCPP_USING_IF_EXISTS;
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___MBSTATE_T_H
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