Re: [Qemu-devel] Re: [4363] MusicPal: fix gcc4 build (Jan Kiszka).

[Andreas Schwab]

"Daniel P. Berrange" <address@hidden> writes:

> On Wed, May 07, 2008 at 12:53:42PM +0100, Paul Brook wrote:
>> > I'm not sure what's wrong with void * arithmetics though. They are
>> > specified (somewhere) to work as if the type was a char *, and the
>> > only annoyance is that you have to remember that.
>> 
>> It doesn't work in C++ for a start.
>> I thought it was a GCC extension, though I could be wrong about that.
>
> IIRC, arithmetic on void * is said to be undefined by the standard

Not only undefined, but a constraint violation, ie. completely outside
the language.

Andreas.

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Andreas Schwab, SuSE Labs, address@hidden
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