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From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.lang.c
Subject: Re: typeof isn't enough to define swap correctly
Message-ID: <8420@mimsy.UUCP>
Date: Sat, 5-Sep-87 01:09:22 EDT
Article-I.D.: mimsy.8420
Posted: Sat Sep  5 01:09:22 1987
Date-Received: Sat, 5-Sep-87 23:00:11 EDT
References: <557@rocky.STANFORD.EDU> <1880@sol.ARPA> <8415@mimsy.UUCP>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 13

In article <8415@mimsy.UUCP> I included the structure assignments
>		__t = *__a; \
>		*__a = *__b; \
>		*__b = __t; \

These may fail due to alignment constraints; if so, changing them
to calls to memcpy or bcopy would work.  But then, that would eliminate
much of the purpose of the macro in the first place.

Well, I did say I did not recommend it. . . .
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7690)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris