stack.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "include/engine/stack.h"
#include "include/engine/mem.h"

void stack_init(CB_STACK **elem, void *data)
{
    CB_STACK *n_element = NULL;
    n_element = malloc(sizeof(CB_STACK));
    n_element->next = NULL;
    n_element->prev = NULL;
    n_element->element = data;
    n_element->count = 0;
    *elem = n_element;
}


void *stack_first_element(CB_STACK **stack)
{
    if( (*stack) != NULL){
        return (*stack)->element;
    }

    return NULL;
}


void stack_add_elem(CB_STACK **stack, void *e){
    CB_STACK *n_stack = NULL;



    if( (*stack)->next == NULL){
        n_stack = malloc(sizeof(CB_STACK));
        stack_init(&n_stack, e);
        (*stack)->count++;
        (*stack)->next = n_stack;
        (*stack) = (*stack)->next;

        return;
    }

   return;

}


void *stack_next(CB_STACK **elem){

    if((*elem)->next == NULL ){
        return (*elem)->element;
    }

    *elem = (*elem)->next;
    return (*elem)->element;
}