On 2015-01-22 00:29, Uffe Jakobsen wrote:
On 2015-01-20 22:44, Hans Petter Selasky wrote:
On 01/20/15 20:48, Uffe Jakobsen wrote:
On 2015-01-20 12:45, Hans Petter Selasky wrote:
It appears there is a minor bug in the kernel regarding this field. See
below:
https://svnweb.freebsd.org/changeset/base/277417
Should work now.
Thanks for the quick response and fix
How far back does the problem reach ?
I think the IOCTL never worked except returning no path (0) like you
observed.
Ok, thanks
Another observation around the cross-platform use of
libusb20_dev_get_port_path() and libusb_get_port_numbers():
On FreeBSD it seems that one needs to perform the respective usb open
calls for the device before the two calls above succeeds without an
negative error code.
Whereas the usb open calls does not seem to be needed with the linux
impl of libusb.
Different behaviour between libusb on FreeBSD and linux creates a
compatibility problems where linux-maintained programs accessing
libusb20_dev_get_port_path() and libusb_get_port_numbers() will fail on
FreeBSD but works on linux. (I've just spent some hours with such
program) :-)
I've looked through the available documentation without finding anything
substantial - and hence I do not know which one is "right".
My previous post stated that libusb20_dev_get_port_path() is available
on linux - it is not - libusb_get_port_numbers() is
Sorry about that
/Uffe
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