+static struct udev_device *find_device(struct udev *udev, const char *id, const char *prefix)
+{
+ char name[UTIL_PATH_SIZE];
+
+ if (prefix && !startswith(id, prefix)) {
+ strscpyl(name, sizeof(name), prefix, id, NULL);
+ id = name;
+ }
+
+ if (startswith(id, "/dev/")) {
+ struct stat statbuf;
+ char type;
+
+ if (stat(id, &statbuf) < 0)
+ return NULL;
+
+ if (S_ISBLK(statbuf.st_mode))
+ type = 'b';
+ else if (S_ISCHR(statbuf.st_mode))
+ type = 'c';
+ else
+ return NULL;
+
+ return udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
+ } else if (startswith(id, "/sys/"))
+ return udev_device_new_from_syspath(udev, id);
+ else
+ return NULL;
+}
+