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. Are these struct comedi_driver *driv of different size every time ? or why is it not possible to return simply driv[i] ? re, wh _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
