On Wed, Jun 06, 2012 at 11:45:43AM +0200, walter harms wrote: > > > Am 06.06.2012 11:28, schrieb Ian Abbott: > > On 2012-06-05 12:01, Dan Carpenter wrote: > >> On Tue, Jun 05, 2012 at 12:06:10PM +0200, walter harms wrote: > >>> Hi all, > >>> the patch is fine with me but i have a few basic questions: > >>> > >>> Why the (void *) at all ? it returns a name what is a const char *. > >>> > >> > >> We're really returning a pointer to a private struct, it's just that > >> the first element on the struct always has to be a pointer to char *. > > > > To be pedantic, it's really returning a pointer to some member of type > > 'const char *' within a private struct. To make life easier for > > themselves, those drivers make that the first member of the private > > struct so a void pointer to the member is also a void pointer to the > > struct. > > > > I do not like it. It is confusing. Yep. > Are these struct comedi_driver *driv of different size every time ? Nope. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html