62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/*********************************************************************************
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* MIT License
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*
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* Copyright (c) 2020-2023 Gregg E. Berman
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*
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* https://github.com/HomeSpan/HomeSpan
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*
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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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*
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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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*
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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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********************************************************************************/
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#pragma once
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#ifndef HS_MALLOC
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#if defined(BOARD_HAS_PSRAM)
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#define HS_MALLOC ps_malloc
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#define HS_CALLOC ps_calloc
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#define HS_REALLOC ps_realloc
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#define ps_new(X) new(ps_malloc(sizeof(X)))X
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#else
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#define HS_MALLOC malloc
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#define HS_CALLOC calloc
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#define HS_REALLOC realloc
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#define ps_new(X) new X
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#endif
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template <class T>
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struct Mallocator {
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typedef T value_type;
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Mallocator() = default;
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template <class U> constexpr Mallocator(const Mallocator<U>&) noexcept {}
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[[nodiscard]] T* allocate(std::size_t n) {
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if(n > std::size_t(-1) / sizeof(T)) throw std::bad_alloc();
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if(auto p = static_cast<T*>(HS_MALLOC(n*sizeof(T)))) return p;
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throw std::bad_alloc();
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}
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void deallocate(T* p, std::size_t) noexcept { std::free(p); }
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};
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template <class T, class U>
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bool operator==(const Mallocator<T>&, const Mallocator<U>&) { return true; }
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template <class T, class U>
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bool operator!=(const Mallocator<T>&, const Mallocator<U>&) { return false; }
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#endif
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