Unique.h

// SPDX-License-Identifier: GPL-2.0-only
 
#pragma once
 
#include <memory>
 
namespace SlHelpers {

template <typename T>
class Deleter {
public:
    Deleter() = delete;

    Deleter(bool free) : m_free(free) {}

    void operator()(T *ptr) const;

    using Unique = std::unique_ptr<T, Deleter<T>>;
private:
    bool m_free;
};

template <typename T>
struct UniqueHolder : public Deleter<T>::Unique {
    UniqueHolder() : UniqueHolder(nullptr) { }

    UniqueHolder(T *ptr, bool free = true) : Deleter<T>::Unique(ptr, Deleter<T>{free}) {}

    operator T *() const { return Deleter<T>::Unique::get(); }
};
 
}