Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!uunet!cbmvax!cbmehq!cbmfra!swinjm!forgeas
From: forgeas@swinjm.UUCP (Jean-Michel Forgeas)
Newsgroups: comp.sys.amiga.programmer
Subject: Re:  4 bytes to a long?
Message-ID: <19488689.ARN0eac@swinjm.UUCP>
Date: 11 Jun 91 12:43:53 GMT
References: <55908@nigel.ee.udel.edu>
Reply-To: forgeas@swinjm.UUCP (Jean-Michel Forgeas)
Followup-To: comp.sys.amiga.programmer
Organization: The Software Winery
Lines: 22

In article <55908@nigel.ee.udel.edu>, jleonard@pica.army.mil writes:

> mrimages@beach.gal.utexas.edu in <451.28517f01@beach.gal.utexas.edu> write:
>               Is there a fast, simple way to convert 4 bytes into a long?
>
> I use :
>
> char ch[4];
> long l;
>
> memcpy( (char *)&l, ch, sizeof(long));

To convert four bytes into a long:
    l = *((long*) ch)
This will generate only one instruction:
    move.l _ch,_l
--
                                     \___/
Jean-Michel Forgeas                   \-/
cbmvax!cbmehq!cbmfra!swinjm!forgeas    |    The Software Winery
                                      -^-
                           And, where is the universe ?