Re: unpacking ints

From: Karl Heinz Buchegger (kbuchegg_at_gascad.at)
Date: 03/02/04 

Date: Tue, 02 Mar 2004 14:19:21 +0100

Alberto Barbati wrote:
>
> Karl Heinz Buchegger wrote:
> >>Is my method above for unpacking the int correct?
> >
> > The casts are wrong. You need to cast the individual bytes to unsigned int
> > first and cast the total result to int only after the number is constructed.
>
> Wrong. You need to cast the individual bytes to unsigned char not
> unsigned int. Otherwise a signed char will be promoted to (signed) int
> before being converted to unsigned int.

Right.
I assumed that anybody working at the bytelevel uses unsigned char
to store bytes and not plain char. 

-- 
Karl Heinz Buchegger
kbuchegg@gascad.at

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