Source/WTF/wtf/text/win/WCharStringExtras.h

/*
 * Copyright (C) 2017 Konstantin Tokarev <annulen@yandex.ru>
 * Copyright (C) 2019 Sony Interactive Entertainment Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <unicode/utypes.h>

namespace WTF {

inline const UChar* ucharFrom(const wchar_t* characters)
{
    static_assert(sizeof(wchar_t) == sizeof(UChar), "We assume wchar_t and UChar have the same size");
    return reinterpret_cast<const UChar*>(characters);
}

inline UChar* ucharFrom(wchar_t* characters)
{
    static_assert(sizeof(wchar_t) == sizeof(UChar), "We assume wchar_t and UChar have the same size");
    return reinterpret_cast<UChar*>(characters);
}

inline const wchar_t* wcharFrom(const UChar* characters)
{
    static_assert(sizeof(wchar_t) == sizeof(UChar), "We assume wchar_t and UChar have the same size");
    return reinterpret_cast<const wchar_t*>(characters);
}

inline wchar_t* wcharFrom(UChar* characters)
{
    static_assert(sizeof(wchar_t) == sizeof(UChar), "We assume wchar_t and UChar have the same size");
    return reinterpret_cast<wchar_t*>(characters);
}

} // namespace WTF

using WTF::ucharFrom;
using WTF::wcharFrom;