// SPDX-License-Identifier: GPL-2.0+

  /*
   * (C) Copyright 2001
   * Murray Jensen <Murray.Jensen@cmst.csiro.au>

   */
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <unistd.h>
  #include <time.h>
  
  int
  main(int argc, char *argv[])
  {
      unsigned long ethaddr_low, ethaddr_high;

      srand(time(0) + (getpid() << 8));

  
      /*
       * setting the 2nd LSB in the most significant byte of
       * the address makes it a locally administered ethernet
       * address
       */

      ethaddr_high = (rand() & 0xfeff) | 0x0200;
      ethaddr_low = rand();

  
      printf("%02lx:%02lx:%02lx:%02lx:%02lx:%02lx
  ",
  	ethaddr_high >> 8, ethaddr_high & 0xff,
  	ethaddr_low >> 24, (ethaddr_low >> 16) & 0xff,
  	(ethaddr_low >> 8) & 0xff, ethaddr_low & 0xff);
  
      return (0);
  }