int builtin_main(int argc, char *argv[], void *userdata) { _cleanup_(sd_device_unrefp) sd_device *dev = NULL; enum udev_builtin_cmd cmd; int r; log_set_max_level(LOG_DEBUG); r = parse_argv(argc, argv); if (r <= 0) return r; udev_builtin_init(); cmd = udev_builtin_lookup(arg_command); if (cmd < 0) { log_error("Unknown command '%s'", arg_command); r = -EINVAL; goto finish; } r = find_device(arg_syspath, "/sys", &dev); if (r < 0) { log_error_errno(r, "Failed to open device '%s': %m", arg_syspath); goto finish; } r = udev_builtin_run(dev, cmd, arg_command, true); if (r < 0) log_debug_errno(r, "Builtin command '%s' fails: %m", arg_command); finish: udev_builtin_exit(); return r; }
static int adm_builtin(struct udev *udev, int argc, char *argv[]) { static const struct option options[] = { { "help", no_argument, NULL, 'h' }, {} }; char *command = NULL; char *syspath = NULL; char filename[UTIL_PATH_SIZE]; struct udev_device *dev = NULL; enum udev_builtin_cmd cmd; int rc = EXIT_SUCCESS, c; while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) switch (c) { case 'h': help(udev); goto out; } command = argv[optind++]; if (command == NULL) { fprintf(stderr, "command missing\n"); help(udev); rc = 2; goto out; } syspath = argv[optind++]; if (syspath == NULL) { fprintf(stderr, "syspath missing\n"); rc = 3; goto out; } udev_builtin_init(udev); cmd = udev_builtin_lookup(command); if (cmd >= UDEV_BUILTIN_MAX) { fprintf(stderr, "unknown command '%s'\n", command); help(udev); rc = 5; goto out; } /* add /sys if needed */ if (!startswith(syspath, "/sys")) strscpyl(filename, sizeof(filename), "/sys", syspath, NULL); else strscpy(filename, sizeof(filename), syspath); util_remove_trailing_chars(filename, '/'); dev = udev_device_new_from_syspath(udev, filename); if (dev == NULL) { fprintf(stderr, "unable to open device '%s'\n\n", filename); rc = 4; goto out; } rc = udev_builtin_run(dev, cmd, command, true); if (rc < 0) { fprintf(stderr, "error executing '%s', exit code %i\n\n", command, rc); rc = 6; } out: udev_device_unref(dev); udev_builtin_exit(udev); return rc; }