60643d379b
(Including all changes for FreeBSD - importing the original eBones distribution would be too complex at this stage, since I don't have access to Piero's CVS.) (If you want to include eBones in your system, don't forget to include MAKE_EBONES in /etc/make.conf.) (This stuff is now also suppable from braae.ru.ac.za.) Bones originally from MIT SIPB. Original port to FreeBSD 1.x by Piero Serini. Moved to FreeBSD 2.0 by Doug Rabson and Geoff Rehmet. Nice bug fixes from Doug Rabson.
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* Copyright 1988 by the Massachusetts Institute of Technology.
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* For copying and distribution information, please see the file
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* <Copyright.MIT>.
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*
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* Comparison macros to emulate LSBFIRST comparison results of network
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* byte-order quantities
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*
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* from: lsb_addr_comp.h,v 4.0 89/01/23 15:44:46 jtkohl Exp $
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* $Id: lsb_addr_comp.h,v 1.2 1994/07/19 19:23:21 g89r4222 Exp $
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*/
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#ifndef LSB_ADDR_COMP_DEFS
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#define LSB_ADDR_COMP_DEFS
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#include "osconf.h"
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#ifdef LSBFIRST
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#define lsb_net_ulong_less(x,y) ((x < y) ? -1 : ((x > y) ? 1 : 0))
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#define lsb_net_ushort_less(x,y) ((x < y) ? -1 : ((x > y) ? 1 : 0))
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#else
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/* MSBFIRST */
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#define u_char_comp(x,y) \
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(((x)>(y))?(1):(((x)==(y))?(0):(-1)))
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/* This is gross, but... */
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#define lsb_net_ulong_less(x, y) long_less_than((u_char *)&x, (u_char *)&y)
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#define lsb_net_ushort_less(x, y) short_less_than((u_char *)&x, (u_char *)&y)
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#define long_less_than(x,y) \
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(u_char_comp((x)[3],(y)[3])?u_char_comp((x)[3],(y)[3]): \
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(u_char_comp((x)[2],(y)[2])?u_char_comp((x)[2],(y)[2]): \
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(u_char_comp((x)[1],(y)[1])?u_char_comp((x)[1],(y)[1]): \
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(u_char_comp((x)[0],(y)[0])))))
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#define short_less_than(x,y) \
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(u_char_comp((x)[1],(y)[1])?u_char_comp((x)[1],(y)[1]): \
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(u_char_comp((x)[0],(y)[0])))
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#endif /* LSBFIRST */
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#endif /* LSB_ADDR_COMP_DEFS */
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