288 void usb_device_close(struct usb_device *device)  in usb_device_close()  argument
290     close(device->fd);  in usb_device_close()
291     free(device);  in usb_device_close()
296     struct usb_device *device = calloc(1, sizeof(struct usb_device));  in usb_device_new()  local
303     length = read(fd, device->desc, sizeof(device->desc));  in usb_device_new()
308     strncpy(device->dev_name, dev_name, sizeof(device->dev_name) - 1);  in usb_device_new()
309     device->fd = fd;  in usb_device_new()
310     device->desc_length = length;  in usb_device_new()
312     device->writeable = 1;  in usb_device_new()
313     return device;  in usb_device_new()
317     free(device);  in usb_device_new()
321 static int usb_device_reopen_writeable(struct usb_device *device)  in usb_device_reopen_writeable()  argument
323     if (device->writeable)  in usb_device_reopen_writeable()
326     int fd = open(device->dev_name, O_RDWR);  in usb_device_reopen_writeable()
328         close(device->fd);  in usb_device_reopen_writeable()
329         device->fd = fd;  in usb_device_reopen_writeable()
330         device->writeable = 1;  in usb_device_reopen_writeable()
337 int usb_device_get_fd(struct usb_device *device)  in usb_device_get_fd()  argument
339     if (!usb_device_reopen_writeable(device))  in usb_device_get_fd()
341     return device->fd;  in usb_device_get_fd()
344 const char* usb_device_get_name(struct usb_device *device)  in usb_device_get_name()  argument
346     return device->dev_name;  in usb_device_get_name()
349 int usb_device_get_unique_id(struct usb_device *device)  in usb_device_get_unique_id()  argument
352     sscanf(device->dev_name, USB_FS_ID_SCANNER, &bus, &dev);  in usb_device_get_unique_id()
372 uint16_t usb_device_get_vendor_id(struct usb_device *device)  in usb_device_get_vendor_id()  argument
374     struct usb_device_descriptor* desc = (struct usb_device_descriptor*)device->desc;  in usb_device_get_vendor_id()
378 uint16_t usb_device_get_product_id(struct usb_device *device)  in usb_device_get_product_id()  argument
380     struct usb_device_descriptor* desc = (struct usb_device_descriptor*)device->desc;  in usb_device_get_product_id()
384 const struct usb_device_descriptor* usb_device_get_device_descriptor(struct usb_device *device)  in usb_device_get_device_descriptor()  argument
386     return (struct usb_device_descriptor*)device->desc;  in usb_device_get_device_descriptor()
389 char* usb_device_get_string(struct usb_device *device, int id)  in usb_device_get_string()  argument
401     result = usb_device_control_transfer(device,  in usb_device_get_string()
410         result = usb_device_control_transfer(device,  in usb_device_get_string()
427 char* usb_device_get_manufacturer_name(struct usb_device *device)  in usb_device_get_manufacturer_name()  argument
429     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_manufacturer_name()
432         return usb_device_get_string(device, desc->iManufacturer);  in usb_device_get_manufacturer_name()
437 char* usb_device_get_product_name(struct usb_device *device)  in usb_device_get_product_name()  argument
439     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_product_name()
442         return usb_device_get_string(device, desc->iProduct);  in usb_device_get_product_name()
447 char* usb_device_get_serial(struct usb_device *device)  in usb_device_get_serial()  argument
449     struct usb_device_descriptor *desc = (struct usb_device_descriptor *)device->desc;  in usb_device_get_serial()
452         return usb_device_get_string(device, desc->iSerialNumber);  in usb_device_get_serial()
457 int usb_device_is_writeable(struct usb_device *device)  in usb_device_is_writeable()  argument
459     return device->writeable;  in usb_device_is_writeable()
462 void usb_descriptor_iter_init(struct usb_device *device, struct usb_descriptor_iter *iter)  in usb_descriptor_iter_init()  argument
464     iter->config = device->desc;  in usb_descriptor_iter_init()
465     iter->config_end = device->desc + device->desc_length;  in usb_descriptor_iter_init()
466     iter->curr_desc = device->desc;  in usb_descriptor_iter_init()
479 int usb_device_claim_interface(struct usb_device *device, unsigned int interface)  in usb_device_claim_interface()  argument
481     return ioctl(device->fd, USBDEVFS_CLAIMINTERFACE, &interface);  in usb_device_claim_interface()
484 int usb_device_release_interface(struct usb_device *device, unsigned int interface)  in usb_device_release_interface()  argument
486     return ioctl(device->fd, USBDEVFS_RELEASEINTERFACE, &interface);  in usb_device_release_interface()
489 int usb_device_connect_kernel_driver(struct usb_device *device,  in usb_device_connect_kernel_driver()  argument
497     return ioctl(device->fd, USBDEVFS_IOCTL, &ctl);  in usb_device_connect_kernel_driver()
500 int usb_device_control_transfer(struct usb_device *device,  in usb_device_control_transfer()  argument
512     if (!usb_device_reopen_writeable(device))  in usb_device_control_transfer()
523     return ioctl(device->fd, USBDEVFS_CONTROL, &ctrl);  in usb_device_control_transfer()
526 int usb_device_bulk_transfer(struct usb_device *device,  in usb_device_bulk_transfer()  argument
543     return ioctl(device->fd, USBDEVFS_BULK, &ctrl);  in usb_device_bulk_transfer()