9f56e3d8a5
C++20 standard added [[nodiscard]] attribute to operator new definitions. In case value returned by operator new is ignored, compiler emits a warning. The commit adds the attribute to operator new definitions. Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
86 lines
1.6 KiB
C++
86 lines
1.6 KiB
C++
/*
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* Copyright (c) 2018
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <new>
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#if __cplusplus < 201103L
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#define NOEXCEPT
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#else /* >= C++11 */
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#define NOEXCEPT noexcept
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#endif /* __cplusplus */
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#if __cplusplus < 202002L
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#define NODISCARD
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#else
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#define NODISCARD [[nodiscard]]
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#endif /* __cplusplus */
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NODISCARD void* operator new(size_t size)
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{
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return malloc(size);
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}
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NODISCARD void* operator new[](size_t size)
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{
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return malloc(size);
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}
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NODISCARD void* operator new(std::size_t size, const std::nothrow_t& tag) NOEXCEPT
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{
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return malloc(size);
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}
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NODISCARD void* operator new[](std::size_t size, const std::nothrow_t& tag) NOEXCEPT
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{
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return malloc(size);
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}
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#if __cplusplus >= 201703L
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NODISCARD void* operator new(size_t size, std::align_val_t al)
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{
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return aligned_alloc(static_cast<size_t>(al), size);
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}
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NODISCARD void* operator new[](std::size_t size, std::align_val_t al)
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{
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return aligned_alloc(static_cast<size_t>(al), size);
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}
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NODISCARD void* operator new(std::size_t size, std::align_val_t al,
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const std::nothrow_t&) NOEXCEPT
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{
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return aligned_alloc(static_cast<size_t>(al), size);
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}
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NODISCARD void* operator new[](std::size_t size, std::align_val_t al,
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const std::nothrow_t&) NOEXCEPT
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{
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return aligned_alloc(static_cast<size_t>(al), size);
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}
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#endif /* __cplusplus >= 201703L */
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void operator delete(void* ptr) NOEXCEPT
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{
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free(ptr);
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}
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void operator delete[](void* ptr) NOEXCEPT
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{
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free(ptr);
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}
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#if (__cplusplus > 201103L)
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void operator delete(void* ptr, size_t) NOEXCEPT
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{
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free(ptr);
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}
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void operator delete[](void* ptr, size_t) NOEXCEPT
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{
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free(ptr);
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}
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#endif // __cplusplus > 201103L
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