MEM_RefCounted.h

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#ifndef __MEM_REFCOUNTED_H__
#define __MEM_REFCOUNTED_H__

class MEM_RefCounted {
 public:
  MEM_RefCounted() = default;

  inline virtual int getRef() const;

  inline virtual int incRef();

  inline virtual int decRef();
 
 protected:
  virtual ~MEM_RefCounted() = default;

  int m_refCount = 1;
};
 
inline int MEM_RefCounted::getRef() const
{
  return m_refCount;
}
 
inline int MEM_RefCounted::incRef()
{
  return ++m_refCount;
}
 
inline int MEM_RefCounted::decRef()
{
  m_refCount--;
  if (m_refCount == 0) {
    delete this;
    return 0;
  }
  return m_refCount;
}
 
#endif  // __MEM_REFCOUNTED_H__