PERFORCE change 167185 for review
Hans Petter Selasky
hselasky at c2i.net
Tue Aug 11 07:57:29 UTC 2009
On Monday 10 August 2009 21:21:37 Sylvestre Gallon wrote:
> +#define SAFE_OPS(fops, field, err) \
> + if (fops->field == NULL) \
> + err = generic_roothub_fops.field(sc, &len, &value, &index);
> \ + else \
> + err = fops->field(sc, &len, &value, &index)
> +
There is another way you can solve this at compile time!
#define USB_RHUB_SAFE_OPS \
.fieldxxx = ,
.fieldyyy = ,
struct usb_root_hub_ops table = {
USB_ROOT_HUB_SAFE_OPS,
.fieldxxx = , /* override */
};
This almost sounds like virtuals in C. Please check what the C99 standard says
about initialising the same field multiple times.
--HPS
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