Path: utzoo!utgpu!water!watmath!clyde!rutgers!mit-eddie!uw-beaver!tektronix!tekcrl!tekfdi!bobb
From: bobb@tekfdi.TEK.COM (Robert Bales)
Newsgroups: comp.sys.amiga
Subject: Re: Byte/word/long alignment
Keywords: none
Message-ID: <1638@tekfdi.TEK.COM>
Date: 14 Jan 88 02:38:59 GMT
References: <4366@garfield.UUCP>
Reply-To: bobb@tekfdi.UUCP (Robert Bales)
Distribution: na
Organization: Tektronix, Inc., Beaverton, OR.
Lines: 18

In article <4366@garfield.UUCP> john13@garfield.UUCP (John Russell) writes:

>If I want to create an auto-initialized array of UBYTES, and then later
>access each 4 bytes as a longword, can I ensure that the array is longword
>aligned in some portable way (eg by placing it immediately after some other
>32-bit global variable)?

Perhaps by using a union containing the array of UBYTES and a longword. Such
a technique is illustrated on page 173-174 of K&R. I say "perhaps" because I
don't know if a union can be auto-initialized. (A quick search of K&R didn't
yield the answer.)

"See you at AmiExpo"

   Bob Bales
   Tektronix, Inc.

I help Tektronix make their instruments. They don't help me make my opinions.