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43 linhas
962 B
43 linhas
962 B
#pragma once
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#include <stddef.h>
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namespace gp {
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/**
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* @brief The base for all polymorphic allocators
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*/
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struct allocator{
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/**
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* @brief Allocates memory
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*
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* @param sz the amount of bytes to allocate
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*
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* @return the allocated memory as a pointer on success
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* @return nullptr if it failed allocating
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*/
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virtual void* allocate(size_t) = 0;
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/**
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* @brief Deallocates memory
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*
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* @param ptr the memory to deallocate
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*
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* @return true if the memory was successfully deallocated
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* @return false if the memory was not deallocated
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*/
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virtual bool deallocate(void*) = 0;
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/**
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* @brief Tries to reallocate memory
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*
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* @param ptr The memory to reallocate
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* @param sz The new size we want to give the memory
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*
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* @return true if reallocation was successful
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* @return false if the reallocation failed
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*/
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virtual bool try_reallocate(void*, size_t) = 0;
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virtual ~allocator() = default;
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};
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}
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