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RE: [Xen-devel] gcc4: char * vs unsigned char *

To: "Rik van Riel" <riel@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] gcc4: char * vs unsigned char *
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Thu, 3 Mar 2005 20:00:30 -0000
Cc: <ian.pratt@xxxxxxxxxxxx>
Delivery-date: Thu, 03 Mar 2005 20:02:09 +0000
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Thread-index: AcUgKPKya5l+dJMZRHyR0HyweBhjkwAAm+Xg
Thread-topic: [Xen-devel] gcc4: char * vs unsigned char *
 > Since xen uses -Wall -Werror, gcc4 refuses to compile areas
> of the code where "char *" and "unsigned char *" are used in a
> mixed fashion.
> This is a problem since xen uses "unsigned char *" for many
> string functions, but the x86 string implementation uses
> the (standard) "char *" and the generic string implementation
> uses the (non-standard?) "unsigned char *".
> I'm willing to do the work to standardise on one, if the Xen
> maintainers think this is worth doing.  Otherwise I'll just
> get rid of the -Werror for now ...

I'm a big fan of -Werror.

It sounds like we should change the generic string implementation. 


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