//
// Created by stefan on 10.06.20.
//

#ifndef BETRIEBSYSTEME_ARENA_LIST_H
#define BETRIEBSYSTEME_ARENA_LIST_H

#include <stdlib.h>
typedef struct Node {
    void * value;
    struct Node * next;
    struct Node * prev;
} Node;

typedef struct List {
    Node * first;
    Node * last;
} List;
// This structure manages an arena / memory slab to be used
typedef struct ArenaList {
    List freeList;
    List activeList;
} ArenaList;

//Initializes the node array
ArenaList alInit(Node * arena, size_t size);
// Return -1 if the List is full
int alPush(ArenaList*  al, void * value);

// Return -1 if the Node was already deleted
int alRemove(ArenaList*  al, Node * node);

// Return -1 if the Node was already deleted
int alRemoveElem(ArenaList*  al, void * value);

#endif // BETRIEBSYSTEME_ARENA_LIST_H