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https://github.com/SerenityOS/serenity
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5ed7cd6e32
These changes are compatible with clang-format 16 and will be mandatory when we eventually bump clang-format version. So, since there are no real downsides, let's commit them now.
70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Daniel Bertalan <dani@danielbertalan.dev>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/kmalloc.h>
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#if defined(AK_OS_SERENITY) && !defined(KERNEL)
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# include <AK/Assertions.h>
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// However deceptively simple these functions look, they must not be inlined.
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// Memory allocated in one translation unit has to be deallocatable in another
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// translation unit, so these functions must be the same everywhere.
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// By making these functions global, this invariant is enforced.
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void* operator new(size_t size)
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{
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void* ptr = malloc(size);
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VERIFY(ptr);
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return ptr;
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}
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void* operator new(size_t size, std::nothrow_t const&) noexcept
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{
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return malloc(size);
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}
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void operator delete(void* ptr) noexcept
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{
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return 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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return free(ptr);
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}
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void* operator new[](size_t size)
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{
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void* ptr = malloc(size);
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VERIFY(ptr);
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return ptr;
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}
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void* operator new[](size_t size, std::nothrow_t const&) noexcept
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{
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return malloc(size);
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}
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void operator delete[](void* ptr) noexcept
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{
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return 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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return free(ptr);
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}
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// This is usually provided by libstdc++ in most cases, and the kernel has its own definition in
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// Kernel/Heap/kmalloc.cpp. If neither of those apply, the following should suffice to not fail during linking.
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namespace AK_REPLACED_STD_NAMESPACE {
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nothrow_t const nothrow;
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}
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#endif
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