/*-
 * G_clicker()
 * 
 * Print a clock hand (one of '|', '/', '-', '\') to stderr.
 * Used in place of G_percent for unknown number of iterations
 * 
 */
#include <stdio.h>

static int G_clicker_prev = 0;

int G_clicker (void)
{
  int x;
  static char clicks[]="|/-\\"; 

  if (G_clicker_prev == -1 || G_clicker_prev == 3)
    x = 0;

  else
    x = G_clicker_prev + 1;

  fprintf (stderr, "%1c\b", clicks[x]);
  fflush (stderr);
  G_clicker_prev = x;

  return 0;
}