47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef CRUFT_UTIL_ALLOC_RAW_AFFIX_HPP
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#define CRUFT_UTIL_ALLOC_RAW_AFFIX_HPP
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#include "../../view.hpp"
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#include <cstddef>
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namespace util::alloc::raw {
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/// a raw memory allocator which initialises an instance of PrefixT
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/// immediately before each allocation and, if specified, an instance
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/// of SuffixT after the allocation.
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///
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/// uses an instance of ParentT to actually perform the bulk allocations.
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///
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/// useful for sentinels, reference counts, etc.
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template <class ParentT, class PrefixT, class SuffixT>
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class affix {
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template <typename T>
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util::view<T*> allocate (size_t bytes);
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template <typename T>
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util::view<T*> allocate (size_t bytes, size_t align);
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template <typename T>
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void deallocate (util::view<std::byte*>);
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std::byte* begin (void);
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const std::byte* begin (void) const;
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std::byte* end (void);
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const std::byte* end (void) const;
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size_t offset (const void*) const;
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};
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}
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#endif
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