+static int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath)
+{
+ const char *pos;
+ size_t len;
+
+ free(udev_device->syspath);
+ udev_device->syspath = strdup(syspath);
+ if (udev_device->syspath == NULL)
+ return -ENOMEM;
+ udev_device->devpath = udev_device->syspath + strlen("/sys");
+ udev_device_add_property(udev_device, "DEVPATH", udev_device->devpath);
+
+ pos = strrchr(udev_device->syspath, '/');
+ if (pos == NULL)
+ return -EINVAL;
+ udev_device->sysname = strdup(&pos[1]);
+ if (udev_device->sysname == NULL)
+ return -ENOMEM;
+
+ /* some devices have '!' in their name, change that to '/' */
+ len = 0;
+ while (udev_device->sysname[len] != '\0') {
+ if (udev_device->sysname[len] == '!')
+ udev_device->sysname[len] = '/';
+ len++;
+ }
+
+ /* trailing number */
+ while (len > 0 && isdigit(udev_device->sysname[--len]))
+ udev_device->sysnum = &udev_device->sysname[len];
+
+ /* sysname is completely numeric */
+ if (len == 0)
+ udev_device->sysnum = NULL;
+
+ return 0;
+}
+