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ArrayList.c
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ArrayList.c
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#include "ArrayList.h"
#include <stdio.h>
void ListInit(List * plist)
{
plist->numOfData = 0;
plist->curPosition= -1;
}
void LInsert(List * plist, LData data)
{
if(plist->numOfData == LIST_LEN)
{
puts("can't store");
return;
}
plist->arr[(plist->numOfData)++] = data;
}
int LFirst(List * plist, LData * pdata)
{
if(!(plist->numOfData))
return FALSE;
plist->curPosition = 0;
*pdata = plist->arr[0];
return TRUE;
}
int LNext(List * plist, LData * pdata)
{
if((plist->curPosition)+1 == plist->numOfData)
return FALSE;
plist->curPosition += 1;
*pdata = plist->arr[plist->curPosition];
return TRUE;
}
LData LRemove(List * plist)
{
int i;
LData data = plist->arr[plist->curPosition];
(plist->numOfData)--;
for(i=plist->curPosition; i<plist->numOfData; i++)
plist->arr[i] = plist->arr[i+1];
(plist->curPosition)--;
return data;
}
int LCount(List * plist)
{
return plist->numOfData;
}