//destroyFixedStack.c
//John T. Rine
//October 12, 2011

#include<stdlib.h>
#include<stdio.h>
#include"all.h"

void destroyFixedStackHead(node **head, node **tail)
{
	node *temp;
	node *temp2;
	temp = NULL;
	temp2 = NULL;
	temp = *head;
	while(temp != NULL)
	{
		temp2 = temp->next;
		if (temp->prev != NULL) temp->prev = NULL;
		if (temp->next != NULL) temp->next = NULL;
		free(temp);
		temp = temp2;	
	}
	*head = *tail = NULL;
}

void destroyFixedStackTail(node **head, node **tail)
{
	node *temp;
	node *temp2;
	temp = NULL;
	temp2 = NULL;
	temp = *tail;
	while(temp != NULL)
	{
		temp2 = temp->prev;
		if (temp->prev != NULL) temp->prev = NULL;
		if (temp->next != NULL) temp->next = NULL;
		free(temp);
		temp = temp2;	
	}
	*head = *tail = NULL;
}