CNListItem.h

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#ifndef CNLISTITEM_H
#define CNLISTITEM_H

#include "CNResource.h"

struct CNListItem {
    struct CNListItem *         _nextItem ;
        struct CNListItem *                     _prevItem ;
    void *                      dataPtr ;
} ;

static inline struct CNListItem *
CNAllocateListItem(void * data, struct CNResource * resource)
{
    struct CNListItem * newitem = (struct CNListItem *) CNAllocateData(resource, sizeof(struct CNListItem)) ;
        newitem->_prevItem = newitem->_nextItem = NULL ;
        newitem->dataPtr = data ;
        return newitem ;
}

static inline void
CNReleaseListItem(struct CNResource * resource, struct CNListItem * item)
{
    CNReleaseData(resource, sizeof(struct CNListItem), item) ;
}

static inline struct CNListItem *
CNNextListItem(const struct CNListItem * src)
{
        return src->_nextItem ;
}

static inline struct CNListItem *
CNPrevListItem(const struct CNListItem * src)
{
        return src->_prevItem ;
}

static inline void *
CNDataOfListItem(const struct CNListItem * src)
{
        return src->dataPtr ;
}

#endif  /* CNLISTITEM_H */