- /* remove sysfs_path if given */
- if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
- devpath = &argv[1][strlen(sysfs_path)] ;
- else
- if (argv[1][0] != '/') {
- /* prepend '/' if missing */
- snprintf(temp, sizeof(temp), "/%s", argv[1]);
- temp[sizeof(temp)-1] = '\0';
- devpath = temp;
- } else
- devpath = argv[1];
-
- subsystem = argv[2];
- setenv("DEVPATH", devpath, 1);
- setenv("SUBSYSTEM", subsystem, 1);
- setenv("ACTION", "add", 1);
- info("looking at device '%s' from subsystem '%s'", devpath, subsystem);
-
- /* initialize the naming deamon */
- udev_rules_init(&rules, 0, 0);
-
- /* fill in values and test_run flag*/
- udev_init_device(&udev, devpath, subsystem, "add");
-
- /* open the device */
- snprintf(path, sizeof(path), "%s%s", sysfs_path, udev.devpath);
- path[sizeof(path)-1] = '\0';
- class_dev = sysfs_open_class_device_path(path);
- if (class_dev == NULL) {
- info("sysfs_open_class_device_path failed");
- return 1;
+ printf("This program is for debugging only, it does not run any program,\n"
+ "specified by a RUN key. It may show incorrect results, because\n"
+ "some values may be different, or not available at a simulation run.\n"
+ "\n");
+
+ sysfs_init();
+ udev_rules_init(&rules, 0);
+
+ /* remove /sys if given */
+ if (strncmp(devpath, sysfs_path, strlen(sysfs_path)) == 0)
+ devpath = &devpath[strlen(sysfs_path)];
+
+ dev = sysfs_device_get(devpath);
+ if (dev == NULL) {
+ fprintf(stderr, "unable to open device '%s'\n", devpath);
+ rc = 2;
+ goto exit;