mirror of
https://github.com/Atmosphere-NX/Atmosphere
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62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "fs_common.hpp"
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namespace ams::fs {
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using AllocateFunction = void *(*)(size_t);
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using DeallocateFunction = void (*)(void *, size_t);
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void SetAllocator(AllocateFunction allocator, DeallocateFunction deallocator);
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namespace impl {
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void *Allocate(size_t size);
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void Deallocate(void *ptr, size_t size);
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class Deleter {
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private:
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size_t size;
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public:
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Deleter() : size() { /* ... */ }
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explicit Deleter(size_t sz) : size(sz) { /* ... */ }
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void operator()(void *ptr) const {
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::ams::fs::impl::Deallocate(ptr, this->size);
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}
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};
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template<typename T>
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std::unique_ptr<T, Deleter> MakeUnique() {
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static_assert(util::is_pod<T>::value);
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return std::unique_ptr<T, Deleter>(static_cast<T *>(::ams::fs::impl::Allocate(sizeof(T))), Deleter(sizeof(T)));
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}
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template<typename ArrayT>
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std::unique_ptr<ArrayT, Deleter> MakeUnique(size_t size) {
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using T = typename std::remove_extent<ArrayT>::type;
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static_assert(std::is_pod<ArrayT>::value);
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static_assert(std::is_array<ArrayT>::value);
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const size_t alloc_size = sizeof(T) * size;
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return std::unique_ptr<ArrayT, Deleter>(static_cast<T *>(::ams::fs::impl::Allocate(alloc_size)), Deleter(alloc_size));
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}
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}
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}
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