63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
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///\file
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2022 John Wellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#ifndef ETL_ADDRESSOF_INCLUDED
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#define ETL_ADDRESSOF_INCLUDED
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#include "../platform.h"
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#include "../type_traits.h"
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#if defined(ETL_IN_UNIT_TEST) || ETL_USING_STL
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#include <memory>
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#endif
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///\defgroup memory memory
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///\ingroup etl
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namespace etl
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{
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//*****************************************************************************
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/// Gets the address of an object.
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/// https://en.cppreference.com/w/cpp/memory/addressof
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///\ingroup memory
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//*****************************************************************************
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template <typename T>
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ETL_CONSTEXPR17 typename etl::enable_if<!etl::is_same<T, etl::nullptr_t>::value, T>::type* addressof(T& t)
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{
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#if ETL_USING_STL && ETL_USING_CPP11
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return std::addressof(t);
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#else
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return reinterpret_cast<T*>(&const_cast<char&>(reinterpret_cast<const volatile char&>(t)));
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#endif
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}
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}
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#endif
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