- /* 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;
+ if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
+ printf("Usage: udevtest [--help] <devpath>\n");
+ goto exit;