#include <linux/module.h>       /* Needed by all modules */
#include <linux/kernel.h>       /* Needed for KERN_INFO */
#include <linux/init.h>         /* Needed for the macros */
#include <linux/proc_fs.h>	/* Necessary because we use the proc fs */
#include <linux/module.h>	/* Specifically, a module */
#include <linux/kernel.h>	/* We're doing kernel work */
#include <linux/proc_fs.h>	/* Necessary because we use the proc fs */
#include <asm/uaccess.h>	/* for copy_from_user */
#include <linux/time.h>		/* For the time */



#define iPROCFS_MAXSIZE		128
#define iMESSAGE_STACK 64

#define acProcFileName "myclock"

/**
* This structure hold information about the /proc file
 *
 */
static struct proc_dir_entry *psFib_Proc_File;

/**
 * This structure hold information about the /proc file
 *
 */

int iFibWrite( struct file *psFile, const char *pcUserBuffer, unsigned long ulCount, void *pData)
{
  printk(KERN_INFO "procfile_writes %s too /proc/%s\n", pcUserBuffer, acProcFileName);
 }

int iFibRead(char *pcBuffer, char **buffer_location,
	     off_t iOffset, int iBufferLength, int *piEof, void *pData)
{
  printk(KERN_INFO "procfile_read (/proc/%s) called\n", acProcFileName);
  struct timeval t;
  struct tm units;
  do_gettimeofday(&t);
  time_to_tm(t.tv_sec, 0, &units);
  return sprintf( pcBuffer, "The clock is: %d:%d:%d\n", units.tm_hour, units.tm_min, units.tm_sec);

}

int fib_start(void);
void fib_end(void);

int fib_start(void)
{
  psFib_Proc_File = create_proc_entry( acProcFileName, 0644, NULL);

  if (psFib_Proc_File == NULL) {
    remove_proc_entry( acProcFileName, NULL);
    printk(KERN_ALERT "Error: Could not init /proc/%s\n",acProcFileName);
    return -ENOMEM;
  }

  psFib_Proc_File->read_proc = iFibRead;
  psFib_Proc_File->write_proc = iFibWrite;
  psFib_Proc_File->mode 	 = S_IFREG | S_IRUGO;
  psFib_Proc_File->uid 	 = 0;
  psFib_Proc_File->gid 	 = 0;
  psFib_Proc_File->size 	 = 100;

  printk(KERN_INFO "/proc/%s created\n", acProcFileName);
  return 0;
}



 void fib_end(void)
 {
   remove_proc_entry(acProcFileName, NULL);
   printk(KERN_INFO "/proc/%s removed\n", acProcFileName);
 }


 module_init(fib_start);
 module_exit(fib_end);