/* * 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 */