#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/inotify.h>

// make sure libc6 is installed for inotify

#define EVENT_SIZE  ( sizeof (struct inotify_event) )
#define EVENT_BUF_LEN     ( 1024 * ( EVENT_SIZE + 16 ) )

int main( )
{
  int length, i = 0;
  int fd;
  int wd;
  char buffer[EVENT_BUF_LEN];
  char ch;

  fd = inotify_init();

  if ( fd < 0 ) {
    perror( "inotify_init" );
  }

  wd = inotify_add_watch( fd, "/tmp/source", IN_CREATE | IN_DELETE );

  while(1){
    length = read( fd, buffer, EVENT_BUF_LEN );

    if ( length < 0 ) {
      perror( "read" );
    }

    while ( i < length ) {     struct inotify_event *event = ( struct inotify_event * ) &buffer[ i ];     if ( event->len ) {
        if ( event->mask & IN_CREATE ) {
          if ( event->mask & IN_ISDIR ) {
            printf("New directory %s created.\n", event->name );
          }
          else {
              printf("New file %s created.\n", event->name );
          }
        }
        else if ( event->mask & IN_DELETE ) {
          if ( event->mask & IN_ISDIR ) {
            printf( "Directory %s deleted.\n", event->name );
          }
          else {
            printf( "File %s deleted.\n", event->name );
          }
        }
      }
      i += EVENT_SIZE + event->len;
    }
    i=0;
  }

}