#include <stdlib.h>
#include "container.h"


struct container* create_container(struct container* first, enum container_type type, void* entry){

if(entry==NULL)
    return NULL;

struct container* novy = (struct container*) malloc(sizeof(struct container*));

novy->next=NULL;


    if(type==ROOM) novy->room=(struct room*) entry;
        else {
        free(novy);
        return NULL;
        }
    if(type==COMMAND) novy->command=(struct command*) entry;
        else {
        free(novy);
        return NULL;
        }
    if(type==ITEM) novy->item=(struct item*) entry;
        else {
        free(novy);
        return NULL;
        }
    if(type==TEXT) novy->text=(char*) entry;
        else {
        free(novy);
        return NULL;
        }
    if(first==NULL) return novy;
        else
            first->next=novy;


return first;
}

struct container* destroy_containers(struct container* first){

if(first==NULL)
    return NULL;


   struct container* current=first;
   struct container* next;

 while(current != NULL){

      next=current->next;
      free(current);
      current=next;
      }

   return NULL;
}