zad3

#include <linux/module.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/slab.h>
struct stack_node{
    int data;
    struct stack_node *nastepny;
} *top = NULL;

struct stack_node *push(struct stack_node *top,int data)
{   struct stack_node *new_node = (struct stack_node *)kmalloc(sizeof(struct stack_node),GFP_KERNEL);
    if(new_node){
new_node->data=data;
new_node->nastepny=top;
top=new_node;}
return top;}

int pop(struct stack_node **top){
int temp = -1;
if(top){
    temp =(*top)->data;
struct stack_node *tmp=(*top)->nastepny;
    kfree(*top);
        *top = tmp;}
    return temp;}

static int __init stack_init(void){
    int i = 0;
    for(i=0;i<15;i++){
	top = push(top,i);}
    return 0;}

static void __exit stack_exit(void){
    while (top != NULL){
        printk(KERN_INFO "%d\n\n",pop(&top));}}

module_init(stack_init);
module_exit(stack_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mateusz Nachyla Mateusz Orlowski");
MODULE_VERSION("1.0");