/*
* list.c
*
* Created on: 2014. 4. 2.
* Author: CSE
*/
#include<stdio.h>
#include<stdlib.h>
#define MAX_LIST_SIZE 100
typedef int element;
typedef struct{
element list[MAX_LIST_SIZE];
int length;
} ArrayListType;
void error(char *message){
fprintf(stderr,"%s\n",message);
exit(1);
}
void init(ArrayListType *L){
L->length = 0;
}
int is_empty(ArrayListType *L){
return L->length == 0;
}
int is_full(ArrayListType *L){
return L->length == MAX_LIST_SIZE;
}
void display(ArrayListType *L){
int i;
for(i=0; i<L->length; i++)
printf("%d\n", L->list[i]);
}
void add(ArrayListType *L, int position, element item)
{
if(!is_full(L) && (position >= 0 ) &&
(position <= L->length) ) {
int i;
for(i=(L->length-1); i>=position; i--)
L->list[i+1] = L->list[i];
L->list[position] = item;
L->length++;
}
}
void clear(ArrayListType *L)
{
int i;
for(i=(L->length-1); i>=0; i--)
L->list[i] = 0;
}
void replace(ArrayListType *L,int position, element item)
{
L->list[position] = item;
}
int get_entry(ArrayListType *L,int position)
{
return L->list[position];
}
int get_length(ArrayListType *L)
{
return L->length;
}
int main(void)
{
ArrayListType list1;
ArrayListType *plist = &list1;
init(&list1);
add(plist,0,10);
add(plist,0,20);
add(plist,0,30);
display(plist);
printf("\n");
/*clear(plist); /////////////////// // // // ///
display(plist);
printf("\n");*/
replace(plist, 1 , 3); //////////////// /////////////////
display(plist);
printf("\n");
printf("%d\n",get_entry(plist,0));
printf("%d\n",get_entry(plist,1));
printf("%d\n",get_entry(plist,2));
printf("\n");
printf("%d",get_length(plist));
return 0;
}
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