Re: [Xen-devel] [PATCH V8 3/7] libxl: add pvusb API

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

George Dunlap writes ("Re: [Xen-devel] [PATCH V8 3/7] libxl: add pvusb API"):
> On Tue, Nov 10, 2015 at 8:41 AM, Chun Yan Liu <cyliu@xxxxxxxx> wrote:
> > Which cast? Here, we want to get a uint_8 value, but buf is a string,
> > we need to do atoi.
> 
> atoi() isn't a cast, it's a function call.  The cast is the (char *) bit.
> 
> I think probably you could get away with declaring buf as (char *).
> &buf should be converted to void** automatically without any warnings,
> I think.

No, char** won't be automatically converted to void**.  But void* will
be automatically converted to char*.

(Will read the rest of this thread later, probably tomorrow.)

Ian.

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