Use a designated initializer for openbsd backend

At some point `wrap_sys_device` was added to the `usbi_backend` struct, and
OpenBSD's backend was never updated along with it. Use a designated initializer
for this, so that we can avoid this class of error.

Signed-off-by: Nathan Hjelm <hjelmn@google.com>

1 files changed, 29 insertions, 49 deletions

diff --git a/libusb/os/openbsd_usb.c b/libusb/os/openbsd_usb.c
index f174e49..a39c0f2 100644
--- a/libusb/os/openbsd_usb.c
+++ b/libusb/os/openbsd_usb.c
@@ -90,55 +90,35 @@ static int _bus_open(int);
 
 
 const struct usbi_os_backend usbi_backend = {
-	"Synchronous OpenBSD backend",
-	0,
-	NULL,				/* init() */
-	NULL,				/* exit() */
-	NULL,				/* set_option() */
-	obsd_get_device_list,
-	NULL,				/* hotplug_poll */
-	obsd_open,
-	obsd_close,
-
-	obsd_get_device_descriptor,
-	obsd_get_active_config_descriptor,
-	obsd_get_config_descriptor,
-	NULL,				/* get_config_descriptor_by_value() */
-
-	obsd_get_configuration,
-	obsd_set_configuration,
-
-	obsd_claim_interface,
-	obsd_release_interface,
-
-	obsd_set_interface_altsetting,
-	obsd_clear_halt,
-	obsd_reset_device,
-
-	NULL,				/* alloc_streams */
-	NULL,				/* free_streams */
-
-	NULL,				/* dev_mem_alloc() */
-	NULL,				/* dev_mem_free() */
-
-	NULL,				/* kernel_driver_active() */
-	NULL,				/* detach_kernel_driver() */
-	NULL,				/* attach_kernel_driver() */
-
-	obsd_destroy_device,
-
-	obsd_submit_transfer,
-	obsd_cancel_transfer,
-	obsd_clear_transfer_priv,
-
-	NULL,				/* handle_events() */
-	obsd_handle_transfer_completion,
-
-	obsd_clock_gettime,
-	0,				/* context_priv_size */
-	sizeof(struct device_priv),
-	sizeof(struct handle_priv),
-	0,				/* transfer_priv_size */
+	.name = "Synchronous OpenBSD backend",
+	.get_device_list = obsd_get_device_list,
+	.open = obsd_open,
+	.close = obsd_close,
+
+	.get_device_descriptor = obsd_get_device_descriptor,
+	.get_active_config_descriptor = obsd_get_active_config_descriptor,
+	.get_config_descriptor = obsd_get_config_descriptor,
+
+	.get_configuration = obsd_get_configuration,
+	.set_configuration = obsd_set_configuration,
+
+	.claim_interface = obsd_claim_interface,
+	.release_interface = obsd_release_interface,
+
+	.set_interface_altsetting = obsd_set_interface_altsetting,
+	.clear_halt = obsd_clear_halt,
+	.reset_device = obsd_reset_device,
+	.destroy_device = obsd_destroy_device,
+
+	.submit_transfer = obsd_submit_transfer,
+	.cancel_transfer = obsd_cancel_transfer,
+	.clear_transfer_priv = obsd_clear_transfer_priv,
+
+	.handle_transfer_completion = obsd_handle_transfer_completion,
+
+	.clock_gettime = obsd_clock_gettime,
+	.device_priv_size = sizeof(struct device_priv),
+	.device_handle_priv_size = sizeof(struct handle_priv),
 };
 
 #define DEVPATH	"/dev/"