/*
 * include/kerberosIV/addr_comp.h
 *
 * Copyright 1987-1994 by the Massachusetts Institute of Technology.
 * All Rights Reserved.
 *
 * Export of this software from the United States of America may
 *   require a specific license from the United States Government.
 *   It is the responsibility of any person or organization contemplating
 *   export to obtain such a license before exporting.
 * 
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  Furthermore if you modify this software you must label
 * your software as modified software and not distribute it in such a
 * fashion that it might be confused with the original M.I.T. software.
 * M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 * 
 * Include file for address comparison macros.
 */

#ifndef ADDR_COMP_DEFS
#define ADDR_COMP_DEFS

/*
** Look boys and girls, a big kludge
** We need to compare the two internet addresses in network byte order, not
**   local byte order.  This is a *really really slow way of doing that*
** But.....
**         .....it works
** so we run with it
**
** long_less_than gets fed two (u_char *)'s....
*/

#define u_char_comp(x,y) \
        (((x)>(y))?(1):(((x)==(y))?(0):(-1)))

#define long_less_than(x,y) \
        (u_char_comp((x)[0],(y)[0])?u_char_comp((x)[0],(y)[0]): \
	 (u_char_comp((x)[1],(y)[1])?u_char_comp((x)[1],(y)[1]): \
	  (u_char_comp((x)[2],(y)[2])?u_char_comp((x)[2],(y)[2]): \
	   (u_char_comp((x)[3],(y)[3])))))

#endif /* ADDR_COMP_DEFS */
