On Thu, Dec 19, 2002 at 04:25:40PM -0800, Nate Lawson wrote:
> if (csio->ccb_h.flags & CAM_CDB_POINTER) {
> cmd = (unsigned char *) csio->cdb_io.cdb_ptr;
> } else {
> cmd = (unsigned char *) &csio->cdb_io.cdb_bytes;
> }
>
> The & is extraneous. Not sure why this doesn't bomb horribly later.
Because cdb_bytes is an array not a pointer. The expression
&csio->cdb_io.cdb_bytes points to the whole array and has the type
u_int8_t (*)[IOCDBLEN], when cast to unsigned char *, the value will be
the same as just csio->cdb_io.cdb_bytes.
Regards,
Stefan Farfeleder
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