calendar.cpp

/* -*- C++ -*- */
/*******************************************************
		CALENDAR C
*******************************************************/

#include "global.h"
#include "calendar.h"


event* calendar::get(){

	if(head==NULL)
		return NULL;
	event* ev;
	if(head==last){
		ev=head;
		head=NULL;
		last=NULL;
		return ev;
		}
	ev=head;
	head=head->next;
	last->next=head;
	return ev;
	}

void calendar::put(event* New){
	event* temp=head;
	if(head==NULL){
		head=New;
		head->next=New;
		last=New;
		}
	else if (New->time<head->time){
		New->next=head;
		head=New;
		last->next=head;
		}
	else if (last==head){
		if(New->time<head->time){
			head=New;
			head->next=last;
			last->next=head;
			}
		else	{
			last=New;
			head->next=last;
			last->next=head;
			}
		}
	else if (last->time<New->time){
		last->next=New;
		last=New;
		last->next=head;
		}
	else	{
		while(temp->next->time < New->time)
			temp=temp->next;
		New->next=temp->next;
		temp->next=New;
		}
	}