/*

 * Copyright 2005-2008, Haiku, Inc. All Rights Reserved.

 * Distributed under the terms of the MIT License.

 */
#ifndef NODE_REF_H
#define NODE_REF_H

#include <sys/stat.h>

namespace BPrivate {

struct NodeRef {
        dev_t   device;
        ino_t   node;

        NodeRef(dev_t device = 0, ino_t node = 0)
                : device(device),
                  node(node)
        {
        }

        NodeRef(const struct stat &st)
                : device(st.st_dev),
                  node(st.st_ino)
        {
        }
        
        NodeRef(const NodeRef &other)
        {
                device = other.device;
                node = other.node;
        }

        NodeRef &operator=(const NodeRef &other)
        {
                device = other.device;
                node = other.node;
                return *this;
        }

        bool operator==(const NodeRef &other) const
        {
                return (device == other.device && node == other.node);
        }

        bool operator!=(const NodeRef &other) const
        {
                return !(*this == other);
        }

        bool operator<(const NodeRef &other) const
        {
                return (device < other.device
                        || (device == other.device && node < other.node));
        }

};

} // namespace BPrivate


#endif  // NODE_REF_H