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- /*
- * $Source: /mit/kerberos/src/include/RCS/lsb_addr_comp.h,v $
- * $Author: jtkohl $
- * $Header: lsb_addr_comp.h,v 4.0 89/01/23 15:44:46 jtkohl Exp $
- *
- * Copyright 1988 by the Massachusetts Institute of Technology.
- *
- * For copying and distribution information, please see the file
- * <mit-copyright.h>.
- *
- * Comparison macros to emulate LSBFIRST comparison results of network
- * byte-order quantities
- */
-
- #include <mit-copyright.h>
- #ifndef LSB_ADDR_COMP_DEFS
- #define LSB_ADDR_COMP_DEFS
-
- #include "osconf.h"
-
- #ifdef LSBFIRST
- #define lsb_net_ulong_less(x,y) ((x < y) ? -1 : ((x > y) ? 1 : 0))
- #define lsb_net_ushort_less(x,y) ((x < y) ? -1 : ((x > y) ? 1 : 0))
- #else
- /* MSBFIRST */
- #define u_char_comp(x,y) \
- (((x)>(y))?(1):(((x)==(y))?(0):(-1)))
- /* This is gross, but... */
- #define lsb_net_ulong_less(x, y) long_less_than((u_char *)&x, (u_char *)&y)
- #define lsb_net_ushort_less(x, y) short_less_than((u_char *)&x, (u_char *)&y)
-
- #define long_less_than(x,y) \
- (u_char_comp((x)[3],(y)[3])?u_char_comp((x)[3],(y)[3]): \
- (u_char_comp((x)[2],(y)[2])?u_char_comp((x)[2],(y)[2]): \
- (u_char_comp((x)[1],(y)[1])?u_char_comp((x)[1],(y)[1]): \
- (u_char_comp((x)[0],(y)[0])))))
- #define short_less_than(x,y) \
- (u_char_comp((x)[1],(y)[1])?u_char_comp((x)[1],(y)[1]): \
- (u_char_comp((x)[0],(y)[0])))
-
- #endif /* LSBFIRST */
-
- #endif /* LSB_ADDR_COMP_DEFS */
-