#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/stat.h>

static short int myshort = 1;
static int myint = 420;
static long int mylong = 9999;
static char* mystring = "blah";
static int myintArray[2] = {-1, -1};
static int arr_argc = 0;

module_param(myshort, short, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
MODULE_PARM_DESC(myshort, "A short integer");
module_param(myint, int, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
MODULE_PARM_DESC(myint, "An integer");
module_param(mylong, long, S_IRUSR);
MODULE_PARM_DESC(mylong, "A long integer");
module_param(mystring, charp, 0000);
MODULE_PARM_DESC(mystring, "A character string");

module_param_array(myintArray, int, &arr_argc, 0000);
MODULE_PARM_DESC(myintArray, "An array of integers");

static int __init hello_3_init(void)
{
	int i;
	printk(KERN_INFO "Hola, mundo! 3\n============\n");
	printk(KERN_INFO "myshort is a short integer: %hd\n", myshort);
	printk(KERN_INFO "myint is an integer: %d\n", myint);
	printk(KERN_INFO "mylong is a long integer: %ld\n", mylong);
	printk(KERN_INFO "mystring is a string: %s\n", mystring);
	for (i = 0; i < sizeof(myintArray)/sizeof(int); i++)
		printk(KERN_INFO "myintArray[%d] = %d\n", i, myintArray[i]);
	printk(KERN_INFO "got %d arguments for myintArray\n", arr_argc);
	return 0;
}

static void __exit hello_3_exit(void)
{
	printk(KERN_INFO "Adiós, mundo! 3\n============\n");
}

module_init(hello_3_init);
module_exit(hello_3_exit);

MODULE_AUTHOR("Guillermo Ramos");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Módulo tonto");