palladium/include/pd/Allocator.hpp

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2024-07-12 19:48:34 +02:00
#pragma once
#include <3ds.h>
#include <memory>
#include <pd/Error.hpp>
// Write own LinearAllocator for learning
namespace Palladium {
template <typename T>
class LinearAllocator : public std::allocator<T> {
public:
typedef size_t size_type;
typedef T* pointer;
typedef const T* const_pointer;
template <typename T1>
struct rebind {
typedef LinearAllocator<T1> other;
};
pointer allocate(size_type n, const void* hint = nullptr) {
if (n > this->max_size()) {
Palladium::Error(
"Linear Allocator: \nBad Alloc -> size is larger than free space!");
return nullptr;
}
return (pointer)linearAlloc(n * sizeof(T));
}
void deallocate(pointer p, size_type) { linearFree((void*)p); }
size_type max_size() { return linearSpaceFree(); }
LinearAllocator() throw() {}
LinearAllocator(const LinearAllocator<T>& a) throw() : std::allocator<T>(a) {}
~LinearAllocator() throw() {}
};
} // namespace Palladium