Remove unused code
[rtmpclient.git] / app / src / main / jni / libusb / libusb / os / openbsd_usb.c
diff --git a/app/src/main/jni/libusb/libusb/os/openbsd_usb.c b/app/src/main/jni/libusb/libusb/os/openbsd_usb.c
deleted file mode 100644 (file)
index ef0b27b..0000000
+++ /dev/null
@@ -1,826 +0,0 @@
-/*
- * Copyright © 2011-2013 Martin Pieuchot <mpi@openbsd.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <sys/time.h>
-#include <sys/types.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <dev/usb/usb.h>
-
-#include "libusb.h"
-#include "libusbi.h"
-
-struct device_priv {
-       char *devname;                          /* name of the ugen(4) node */
-       int fd;                                 /* device file descriptor */
-
-       unsigned char *cdesc;                   /* active config descriptor */
-       usb_device_descriptor_t ddesc;          /* usb device descriptor */
-};
-
-struct handle_priv {
-       int pipe[2];                            /* for event notification */
-       int endpoints[USB_MAX_ENDPOINTS];
-};
-
-/*
- * Backend functions
- */
-static int obsd_get_device_list(struct libusb_context *,
-    struct discovered_devs **);
-static int obsd_open(struct libusb_device_handle *);
-static void obsd_close(struct libusb_device_handle *);
-
-static int obsd_get_device_descriptor(struct libusb_device *, unsigned char *,
-    int *);
-static int obsd_get_active_config_descriptor(struct libusb_device *,
-    unsigned char *, size_t, int *);
-static int obsd_get_config_descriptor(struct libusb_device *, uint8_t,
-    unsigned char *, size_t, int *);
-
-static int obsd_get_configuration(struct libusb_device_handle *, int *);
-static int obsd_set_configuration(struct libusb_device_handle *, int);
-
-static int obsd_claim_interface(struct libusb_device_handle *, int);
-static int obsd_release_interface(struct libusb_device_handle *, int);
-
-static int obsd_set_interface_altsetting(struct libusb_device_handle *, int,
-    int);
-static int obsd_clear_halt(struct libusb_device_handle *, unsigned char);
-static int obsd_reset_device(struct libusb_device_handle *);
-static void obsd_destroy_device(struct libusb_device *);
-
-static int obsd_submit_transfer(struct usbi_transfer *);
-static int obsd_cancel_transfer(struct usbi_transfer *);
-static void obsd_clear_transfer_priv(struct usbi_transfer *);
-static int obsd_handle_events(struct libusb_context *ctx, struct pollfd *,
-    nfds_t, int);
-static int obsd_clock_gettime(int, struct timespec *);
-
-/*
- * Private functions
- */
-static int _errno_to_libusb(int);
-static int _cache_active_config_descriptor(struct libusb_device *);
-static int _sync_control_transfer(struct usbi_transfer *);
-static int _sync_gen_transfer(struct usbi_transfer *);
-static int _access_endpoint(struct libusb_transfer *);
-
-static int _bus_open(int);
-
-
-const struct usbi_os_backend openbsd_backend = {
-       "Synchronous OpenBSD backend",
-       0,
-       NULL,                           /* init() */
-       NULL,                           /* exit() */
-       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,                           /* kernel_driver_active() */
-       NULL,                           /* detach_kernel_driver() */
-       NULL,                           /* attach_kernel_driver() */
-
-       obsd_destroy_device,
-
-       obsd_submit_transfer,
-       obsd_cancel_transfer,
-       obsd_clear_transfer_priv,
-
-       obsd_handle_events,
-
-       obsd_clock_gettime,
-       sizeof(struct device_priv),
-       sizeof(struct handle_priv),
-       0,                              /* transfer_priv_size */
-       0,                              /* add_iso_packet_size */
-};
-
-#define DEVPATH        "/dev/"
-#define USBDEV DEVPATH "usb"
-
-int
-obsd_get_device_list(struct libusb_context * ctx,
-       struct discovered_devs **discdevs)
-{
-       struct discovered_devs *ddd;
-       struct libusb_device *dev;
-       struct device_priv *dpriv;
-       struct usb_device_info di;
-       struct usb_device_ddesc dd;
-       unsigned long session_id;
-       char devices[USB_MAX_DEVICES];
-       char busnode[16];
-       char *udevname;
-       int fd, addr, i, j;
-
-       usbi_dbg("");
-
-       for (i = 0; i < 8; i++) {
-               snprintf(busnode, sizeof(busnode), USBDEV "%d", i);
-
-               if ((fd = open(busnode, O_RDWR)) < 0) {
-                       if (errno != ENOENT && errno != ENXIO)
-                               usbi_err(ctx, "could not open %s", busnode);
-                       continue;
-               }
-
-               bzero(devices, sizeof(devices));
-               for (addr = 1; addr < USB_MAX_DEVICES; addr++) {
-                       if (devices[addr])
-                               continue;
-
-                       di.udi_addr = addr;
-                       if (ioctl(fd, USB_DEVICEINFO, &di) < 0)
-                               continue;
-
-                       /*
-                        * XXX If ugen(4) is attached to the USB device
-                        * it will be used.
-                        */
-                       udevname = NULL;
-                       for (j = 0; j < USB_MAX_DEVNAMES; j++)
-                               if (!strncmp("ugen", di.udi_devnames[j], 4)) {
-                                       udevname = strdup(di.udi_devnames[j]);
-                                       break;
-                               }
-
-                       session_id = (di.udi_bus << 8 | di.udi_addr);
-                       dev = usbi_get_device_by_session_id(ctx, session_id);
-
-                       if (dev == NULL) {
-                               dev = usbi_alloc_device(ctx, session_id);
-                               if (dev == NULL) {
-                                       close(fd);
-                                       return (LIBUSB_ERROR_NO_MEM);
-                               }
-
-                               dev->bus_number = di.udi_bus;
-                               dev->device_address = di.udi_addr;
-                               dev->speed = di.udi_speed;
-
-                               dpriv = (struct device_priv *)dev->os_priv;
-                               dpriv->fd = -1;
-                               dpriv->cdesc = NULL;
-                               dpriv->devname = udevname;
-
-                               dd.udd_bus = di.udi_bus;
-                               dd.udd_addr = di.udi_addr;
-                               if (ioctl(fd, USB_DEVICE_GET_DDESC, &dd) < 0) {
-                                       libusb_unref_device(dev);
-                                       continue;
-                               }
-                               dpriv->ddesc = dd.udd_desc;
-
-                               if (_cache_active_config_descriptor(dev)) {
-                                       libusb_unref_device(dev);
-                                       continue;
-                               }
-
-                               if (usbi_sanitize_device(dev)) {
-                                       libusb_unref_device(dev);
-                                       continue;
-                               }
-                       }
-
-                       ddd = discovered_devs_append(*discdevs, dev);
-                       if (ddd == NULL) {
-                               close(fd);
-                               return (LIBUSB_ERROR_NO_MEM);
-                       }
-                       libusb_unref_device(dev);
-
-                       *discdevs = ddd;
-                       devices[addr] = 1;
-               }
-
-               close(fd);
-       }
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_open(struct libusb_device_handle *handle)
-{
-       struct handle_priv *hpriv = (struct handle_priv *)handle->os_priv;
-       struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
-       char devnode[16];
-
-       if (dpriv->devname) {
-               /*
-                * Only open ugen(4) attached devices read-write, all
-                * read-only operations are done through the bus node.
-                */
-               snprintf(devnode, sizeof(devnode), DEVPATH "%s.00",
-                   dpriv->devname);
-               dpriv->fd = open(devnode, O_RDWR);
-               if (dpriv->fd < 0)
-                       return _errno_to_libusb(errno);
-
-               usbi_dbg("open %s: fd %d", devnode, dpriv->fd);
-       }
-
-       if (pipe(hpriv->pipe) < 0)
-               return _errno_to_libusb(errno);
-
-       return usbi_add_pollfd(HANDLE_CTX(handle), hpriv->pipe[0], POLLIN);
-}
-
-void
-obsd_close(struct libusb_device_handle *handle)
-{
-       struct handle_priv *hpriv = (struct handle_priv *)handle->os_priv;
-       struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
-
-       if (dpriv->devname) {
-               usbi_dbg("close: fd %d", dpriv->fd);
-
-               close(dpriv->fd);
-               dpriv->fd = -1;
-       }
-
-       usbi_remove_pollfd(HANDLE_CTX(handle), hpriv->pipe[0]);
-
-       close(hpriv->pipe[0]);
-       close(hpriv->pipe[1]);
-}
-
-int
-obsd_get_device_descriptor(struct libusb_device *dev, unsigned char *buf,
-    int *host_endian)
-{
-       struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
-
-       usbi_dbg("");
-
-       memcpy(buf, &dpriv->ddesc, DEVICE_DESC_LENGTH);
-
-       *host_endian = 0;
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_get_active_config_descriptor(struct libusb_device *dev,
-    unsigned char *buf, size_t len, int *host_endian)
-{
-       struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
-       usb_config_descriptor_t *ucd = (usb_config_descriptor_t *)dpriv->cdesc;
-
-       len = MIN(len, UGETW(ucd->wTotalLength));
-
-       usbi_dbg("len %d", len);
-
-       memcpy(buf, dpriv->cdesc, len);
-
-       *host_endian = 0;
-
-       return (len);
-}
-
-int
-obsd_get_config_descriptor(struct libusb_device *dev, uint8_t idx,
-    unsigned char *buf, size_t len, int *host_endian)
-{
-       struct usb_device_fdesc udf;
-       int fd, err;
-
-       if ((fd = _bus_open(dev->bus_number)) < 0)
-               return _errno_to_libusb(errno);
-
-       udf.udf_bus = dev->bus_number;
-       udf.udf_addr = dev->device_address;
-       udf.udf_config_index = idx;
-       udf.udf_size = len;
-       udf.udf_data = buf;
-
-       usbi_dbg("index %d, len %d", udf.udf_config_index, len);
-
-       if (ioctl(fd, USB_DEVICE_GET_FDESC, &udf) < 0) {
-               err = errno;
-               close(fd);
-               return _errno_to_libusb(err);
-       }
-       close(fd);
-
-       *host_endian = 0;
-
-       return (len);
-}
-
-int
-obsd_get_configuration(struct libusb_device_handle *handle, int *config)
-{
-       struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
-       usb_config_descriptor_t *ucd = (usb_config_descriptor_t *)dpriv->cdesc;
-
-       *config = ucd->bConfigurationValue;
-
-       usbi_dbg("bConfigurationValue %d", *config);
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_set_configuration(struct libusb_device_handle *handle, int config)
-{
-       struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
-
-       if (dpriv->devname == NULL)
-               return (LIBUSB_ERROR_NOT_SUPPORTED);
-
-       usbi_dbg("bConfigurationValue %d", config);
-
-       if (ioctl(dpriv->fd, USB_SET_CONFIG, &config) < 0)
-               return _errno_to_libusb(errno);
-
-       return _cache_active_config_descriptor(handle->dev);
-}
-
-int
-obsd_claim_interface(struct libusb_device_handle *handle, int iface)
-{
-       struct handle_priv *hpriv = (struct handle_priv *)handle->os_priv;
-       int i;
-
-       for (i = 0; i < USB_MAX_ENDPOINTS; i++)
-               hpriv->endpoints[i] = -1;
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_release_interface(struct libusb_device_handle *handle, int iface)
-{
-       struct handle_priv *hpriv = (struct handle_priv *)handle->os_priv;
-       int i;
-
-       for (i = 0; i < USB_MAX_ENDPOINTS; i++)
-               if (hpriv->endpoints[i] >= 0)
-                       close(hpriv->endpoints[i]);
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_set_interface_altsetting(struct libusb_device_handle *handle, int iface,
-    int altsetting)
-{
-       struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
-       struct usb_alt_interface intf;
-
-       if (dpriv->devname == NULL)
-               return (LIBUSB_ERROR_NOT_SUPPORTED);
-
-       usbi_dbg("iface %d, setting %d", iface, altsetting);
-
-       memset(&intf, 0, sizeof(intf));
-
-       intf.uai_interface_index = iface;
-       intf.uai_alt_no = altsetting;
-
-       if (ioctl(dpriv->fd, USB_SET_ALTINTERFACE, &intf) < 0)
-               return _errno_to_libusb(errno);
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_clear_halt(struct libusb_device_handle *handle, unsigned char endpoint)
-{
-       struct usb_ctl_request req;
-       int fd, err;
-
-       if ((fd = _bus_open(handle->dev->bus_number)) < 0)
-               return _errno_to_libusb(errno);
-
-       usbi_dbg("");
-
-       req.ucr_addr = handle->dev->device_address;
-       req.ucr_request.bmRequestType = UT_WRITE_ENDPOINT;
-       req.ucr_request.bRequest = UR_CLEAR_FEATURE;
-       USETW(req.ucr_request.wValue, UF_ENDPOINT_HALT);
-       USETW(req.ucr_request.wIndex, endpoint);
-       USETW(req.ucr_request.wLength, 0);
-
-       if (ioctl(fd, USB_REQUEST, &req) < 0) {
-               err = errno;
-               close(fd);
-               return _errno_to_libusb(err);
-       }
-       close(fd);
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_reset_device(struct libusb_device_handle *handle)
-{
-       usbi_dbg("");
-
-       return (LIBUSB_ERROR_NOT_SUPPORTED);
-}
-
-void
-obsd_destroy_device(struct libusb_device *dev)
-{
-       struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
-
-       usbi_dbg("");
-
-       free(dpriv->cdesc);
-       free(dpriv->devname);
-}
-
-int
-obsd_submit_transfer(struct usbi_transfer *itransfer)
-{
-       struct libusb_transfer *transfer;
-       struct handle_priv *hpriv;
-       int err = 0;
-
-       usbi_dbg("");
-
-       transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-       hpriv = (struct handle_priv *)transfer->dev_handle->os_priv;
-
-       switch (transfer->type) {
-       case LIBUSB_TRANSFER_TYPE_CONTROL:
-               err = _sync_control_transfer(itransfer);
-               break;
-       case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
-               if (IS_XFEROUT(transfer)) {
-                       /* Isochronous write is not supported */
-                       err = LIBUSB_ERROR_NOT_SUPPORTED;
-                       break;
-               }
-               err = _sync_gen_transfer(itransfer);
-               break;
-       case LIBUSB_TRANSFER_TYPE_BULK:
-       case LIBUSB_TRANSFER_TYPE_INTERRUPT:
-               if (IS_XFEROUT(transfer) &&
-                   transfer->flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET) {
-                       err = LIBUSB_ERROR_NOT_SUPPORTED;
-                       break;
-               }
-               err = _sync_gen_transfer(itransfer);
-               break;
-       }
-
-       if (err)
-               return (err);
-
-       if (write(hpriv->pipe[1], &itransfer, sizeof(itransfer)) < 0)
-               return _errno_to_libusb(errno);
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_cancel_transfer(struct usbi_transfer *itransfer)
-{
-       usbi_dbg("");
-
-       return (LIBUSB_ERROR_NOT_SUPPORTED);
-}
-
-void
-obsd_clear_transfer_priv(struct usbi_transfer *itransfer)
-{
-       usbi_dbg("");
-
-       /* Nothing to do */
-}
-
-int
-obsd_handle_events(struct libusb_context *ctx, struct pollfd *fds, nfds_t nfds,
-    int num_ready)
-{
-       struct libusb_device_handle *handle;
-       struct handle_priv *hpriv = NULL;
-       struct usbi_transfer *itransfer;
-       struct pollfd *pollfd;
-       int i, err = 0;
-
-       usbi_dbg("");
-
-       pthread_mutex_lock(&ctx->open_devs_lock);
-       for (i = 0; i < nfds && num_ready > 0; i++) {
-               pollfd = &fds[i];
-
-               if (!pollfd->revents)
-                       continue;
-
-               hpriv = NULL;
-               num_ready--;
-               list_for_each_entry(handle, &ctx->open_devs, list,
-                   struct libusb_device_handle) {
-                       hpriv = (struct handle_priv *)handle->os_priv;
-
-                       if (hpriv->pipe[0] == pollfd->fd)
-                               break;
-
-                       hpriv = NULL;
-               }
-
-               if (NULL == hpriv) {
-                       usbi_dbg("fd %d is not an event pipe!", pollfd->fd);
-                       err = ENOENT;
-                       break;
-               }
-
-               if (pollfd->revents & POLLERR) {
-                       usbi_remove_pollfd(HANDLE_CTX(handle), hpriv->pipe[0]);
-                       usbi_handle_disconnect(handle);
-                       continue;
-               }
-
-               if (read(hpriv->pipe[0], &itransfer, sizeof(itransfer)) < 0) {
-                       err = errno;
-                       break;
-               }
-
-               if ((err = usbi_handle_transfer_completion(itransfer,
-                   LIBUSB_TRANSFER_COMPLETED)))
-                       break;
-       }
-       pthread_mutex_unlock(&ctx->open_devs_lock);
-
-       if (err)
-               return _errno_to_libusb(err);
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-obsd_clock_gettime(int clkid, struct timespec *tp)
-{
-       usbi_dbg("clock %d", clkid);
-
-       if (clkid == USBI_CLOCK_REALTIME)
-               return clock_gettime(CLOCK_REALTIME, tp);
-
-       if (clkid == USBI_CLOCK_MONOTONIC)
-               return clock_gettime(CLOCK_MONOTONIC, tp);
-
-       return (LIBUSB_ERROR_INVALID_PARAM);
-}
-
-int
-_errno_to_libusb(int err)
-{
-       usbi_dbg("error: %s (%d)", strerror(err), err);
-
-       switch (err) {
-       case EIO:
-               return (LIBUSB_ERROR_IO);
-       case EACCES:
-               return (LIBUSB_ERROR_ACCESS);
-       case ENOENT:
-               return (LIBUSB_ERROR_NO_DEVICE);
-       case ENOMEM:
-               return (LIBUSB_ERROR_NO_MEM);
-       case ETIMEDOUT:
-               return (LIBUSB_ERROR_TIMEOUT);
-       }
-
-       return (LIBUSB_ERROR_OTHER);
-}
-
-int
-_cache_active_config_descriptor(struct libusb_device *dev)
-{
-       struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
-       struct usb_device_cdesc udc;
-       struct usb_device_fdesc udf;
-       unsigned char* buf;
-       int fd, len, err;
-
-       if ((fd = _bus_open(dev->bus_number)) < 0)
-               return _errno_to_libusb(errno);
-
-       usbi_dbg("fd %d, addr %d", fd, dev->device_address);
-
-       udc.udc_bus = dev->bus_number;
-       udc.udc_addr = dev->device_address;
-       udc.udc_config_index = USB_CURRENT_CONFIG_INDEX;
-       if (ioctl(fd, USB_DEVICE_GET_CDESC, &udc) < 0) {
-               err = errno;
-               close(fd);
-               return _errno_to_libusb(errno);
-       }
-
-       usbi_dbg("active bLength %d", udc.udc_desc.bLength);
-
-       len = UGETW(udc.udc_desc.wTotalLength);
-       buf = malloc(len);
-       if (buf == NULL)
-               return (LIBUSB_ERROR_NO_MEM);
-
-       udf.udf_bus = dev->bus_number;
-       udf.udf_addr = dev->device_address;
-       udf.udf_config_index = udc.udc_config_index;
-       udf.udf_size = len;
-       udf.udf_data = buf;
-
-       usbi_dbg("index %d, len %d", udf.udf_config_index, len);
-
-       if (ioctl(fd, USB_DEVICE_GET_FDESC, &udf) < 0) {
-               err = errno;
-               close(fd);
-               free(buf);
-               return _errno_to_libusb(err);
-       }
-       close(fd);
-
-       if (dpriv->cdesc)
-               free(dpriv->cdesc);
-       dpriv->cdesc = buf;
-
-       return (LIBUSB_SUCCESS);
-}
-
-int
-_sync_control_transfer(struct usbi_transfer *itransfer)
-{
-       struct libusb_transfer *transfer;
-       struct libusb_control_setup *setup;
-       struct device_priv *dpriv;
-       struct usb_ctl_request req;
-
-       transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-       dpriv = (struct device_priv *)transfer->dev_handle->dev->os_priv;
-       setup = (struct libusb_control_setup *)transfer->buffer;
-
-       usbi_dbg("type %x request %x value %x index %d length %d timeout %d",
-           setup->bmRequestType, setup->bRequest,
-           libusb_le16_to_cpu(setup->wValue),
-           libusb_le16_to_cpu(setup->wIndex),
-           libusb_le16_to_cpu(setup->wLength), transfer->timeout);
-
-       req.ucr_addr = transfer->dev_handle->dev->device_address;
-       req.ucr_request.bmRequestType = setup->bmRequestType;
-       req.ucr_request.bRequest = setup->bRequest;
-       /* Don't use USETW, libusb already deals with the endianness */
-       (*(uint16_t *)req.ucr_request.wValue) = setup->wValue;
-       (*(uint16_t *)req.ucr_request.wIndex) = setup->wIndex;
-       (*(uint16_t *)req.ucr_request.wLength) = setup->wLength;
-       req.ucr_data = transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE;
-
-       if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
-               req.ucr_flags = USBD_SHORT_XFER_OK;
-
-       if (dpriv->devname == NULL) {
-               /*
-                * XXX If the device is not attached to ugen(4) it is
-                * XXX still possible to submit a control transfer but
-                * XXX with the default timeout only.
-                */
-               int fd, err;
-
-               if ((fd = _bus_open(transfer->dev_handle->dev->bus_number)) < 0)
-                       return _errno_to_libusb(errno);
-
-               if ((ioctl(fd, USB_REQUEST, &req)) < 0) {
-                       err = errno;
-                       close(fd);
-                       return _errno_to_libusb(err);
-               }
-               close(fd);
-       } else {
-               if ((ioctl(dpriv->fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
-                       return _errno_to_libusb(errno);
-
-               if ((ioctl(dpriv->fd, USB_DO_REQUEST, &req)) < 0)
-                       return _errno_to_libusb(errno);
-       }
-
-       itransfer->transferred = req.ucr_actlen;
-
-       usbi_dbg("transferred %d", itransfer->transferred);
-
-       return (0);
-}
-
-int
-_access_endpoint(struct libusb_transfer *transfer)
-{
-       struct handle_priv *hpriv;
-       struct device_priv *dpriv;
-       char devnode[16];
-       int fd, endpt;
-       mode_t mode;
-
-       hpriv = (struct handle_priv *)transfer->dev_handle->os_priv;
-       dpriv = (struct device_priv *)transfer->dev_handle->dev->os_priv;
-
-       endpt = UE_GET_ADDR(transfer->endpoint);
-       mode = IS_XFERIN(transfer) ? O_RDONLY : O_WRONLY;
-
-       usbi_dbg("endpoint %d mode %d", endpt, mode);
-
-       if (hpriv->endpoints[endpt] < 0) {
-               /* Pick the right endpoint node */
-               snprintf(devnode, sizeof(devnode), DEVPATH "%s.%02d",
-                   dpriv->devname, endpt);
-
-               /* We may need to read/write to the same endpoint later. */
-               if (((fd = open(devnode, O_RDWR)) < 0) && (errno == ENXIO))
-                       if ((fd = open(devnode, mode)) < 0)
-                               return (-1);
-
-               hpriv->endpoints[endpt] = fd;
-       }
-
-       return (hpriv->endpoints[endpt]);
-}
-
-int
-_sync_gen_transfer(struct usbi_transfer *itransfer)
-{
-       struct libusb_transfer *transfer;
-       struct device_priv *dpriv;
-       int fd, nr = 1;
-
-       transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-       dpriv = (struct device_priv *)transfer->dev_handle->dev->os_priv;
-
-       if (dpriv->devname == NULL)
-               return (LIBUSB_ERROR_NOT_SUPPORTED);
-
-       /*
-        * Bulk, Interrupt or Isochronous transfer depends on the
-        * endpoint and thus the node to open.
-        */
-       if ((fd = _access_endpoint(transfer)) < 0)
-               return _errno_to_libusb(errno);
-
-       if ((ioctl(fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
-               return _errno_to_libusb(errno);
-
-       if (IS_XFERIN(transfer)) {
-               if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
-                       if ((ioctl(fd, USB_SET_SHORT_XFER, &nr)) < 0)
-                               return _errno_to_libusb(errno);
-
-               nr = read(fd, transfer->buffer, transfer->length);
-       } else {
-               nr = write(fd, transfer->buffer, transfer->length);
-       }
-
-       if (nr < 0)
-               return _errno_to_libusb(errno);
-
-       itransfer->transferred = nr;
-
-       return (0);
-}
-
-int
-_bus_open(int number)
-{
-       char busnode[16];
-
-       snprintf(busnode, sizeof(busnode), USBDEV "%d", number);
-
-       return open(busnode, O_RDWR);
-}