Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!uunet!cbmvax!carolyn
From: carolyn@cbmvax.commodore.com (Carolyn Scheppner - CATS)
Newsgroups: comp.sys.amiga.programmer
Subject: Re: 4 bytes to a long?
Message-ID: <22408@cbmvax.commodore.com>
Date: 13 Jun 91 16:49:05 GMT
References: <451.28517f01@beach.gal.utexas.edu>
Reply-To: carolyn@cbmvax.commodore.com (Carolyn Scheppner - CATS)
Organization: Commodore, West Chester, PA
Lines: 17

In article <451.28517f01@beach.gal.utexas.edu> mrimages@beach.gal.utexas.edu writes:
>
>	Is there a fast, simple way to convert 4 bytes into a long?

The IFF code has always done it this way:

#define MAKE_ID(a,b,c,d)        \
        ((ULONG) (a)<<24 | (ULONG) (b)<<16 | (ULONG) (c)<<8 | (ULONG) (d))

where a,b,c,and d are characters and the result is a long
-- 
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 Carolyn Scheppner -- Tech. Mgr. CATS - Commodore Amiga Technical Support
 PHONE 215-431-9180 {uunet,rutgers}!cbmvax!carolyn  carolyn@commodore.com

 Calm down.  It's just ones and zeros.
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