tabs are as useful as a hole in the head

1 files changed, 495 insertions, 495 deletions

diff --git a/src/udevadm-info.c b/src/udevadm-info.c
index f7e7e86b6a..ee9b59fea8 100644
--- a/src/udevadm-info.c
+++ b/src/udevadm-info.c
@@ -33,536 +33,536 @@
 
 static bool skip_attribute(const char *name)
 {
-	static const char const *skip[] = {
-		"uevent",
-		"dev",
-		"modalias",
-		"resource",
-		"driver",
-		"subsystem",
-		"module",
-	};
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(skip); i++)
-		if (strcmp(name, skip[i]) == 0)
-			return true;
-	return false;
+        static const char const *skip[] = {
+                "uevent",
+                "dev",
+                "modalias",
+                "resource",
+                "driver",
+                "subsystem",
+                "module",
+        };
+        unsigned int i;
+
+        for (i = 0; i < ARRAY_SIZE(skip); i++)
+                if (strcmp(name, skip[i]) == 0)
+                        return true;
+        return false;
 }
 
 static void print_all_attributes(struct udev_device *device, const char *key)
 {
-	struct udev *udev = udev_device_get_udev(device);
-	struct udev_list_entry *sysattr;
-
-	udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) {
-		const char *name;
-		const char *value;
-		size_t len;
-
-		name = udev_list_entry_get_name(sysattr);
-		if (skip_attribute(name))
-			continue;
-
-		value = udev_device_get_sysattr_value(device, name);
-		if (value == NULL)
-			continue;
-		dbg(udev, "attr '%s'='%s'\n", name, value);
-
-		/* skip any values that look like a path */
-		if (value[0] == '/')
-			continue;
-
-		/* skip nonprintable attributes */
-		len = strlen(value);
-		while (len > 0 && isprint(value[len-1]))
-			len--;
-		if (len > 0) {
-			dbg(udev, "attribute value of '%s' non-printable, skip\n", name);
-			continue;
-		}
-
-		printf("    %s{%s}==\"%s\"\n", key, name, value);
-	}
-	printf("\n");
+        struct udev *udev = udev_device_get_udev(device);
+        struct udev_list_entry *sysattr;
+
+        udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) {
+                const char *name;
+                const char *value;
+                size_t len;
+
+                name = udev_list_entry_get_name(sysattr);
+                if (skip_attribute(name))
+                        continue;
+
+                value = udev_device_get_sysattr_value(device, name);
+                if (value == NULL)
+                        continue;
+                dbg(udev, "attr '%s'='%s'\n", name, value);
+
+                /* skip any values that look like a path */
+                if (value[0] == '/')
+                        continue;
+
+                /* skip nonprintable attributes */
+                len = strlen(value);
+                while (len > 0 && isprint(value[len-1]))
+                        len--;
+                if (len > 0) {
+                        dbg(udev, "attribute value of '%s' non-printable, skip\n", name);
+                        continue;
+                }
+
+                printf("    %s{%s}==\"%s\"\n", key, name, value);
+        }
+        printf("\n");
 }
 
 static int print_device_chain(struct udev_device *device)
 {
-	struct udev_device *device_parent;
-	const char *str;
-
-	printf("\n"
-	       "Udevadm info starts with the device specified by the devpath and then\n"
-	       "walks up the chain of parent devices. It prints for every device\n"
-	       "found, all possible attributes in the udev rules key format.\n"
-	       "A rule to match, can be composed by the attributes of the device\n"
-	       "and the attributes from one single parent device.\n"
-	       "\n");
-
-	printf("  looking at device '%s':\n", udev_device_get_devpath(device));
-	printf("    KERNEL==\"%s\"\n", udev_device_get_sysname(device));
-	str = udev_device_get_subsystem(device);
-	if (str == NULL)
-		str = "";
-	printf("    SUBSYSTEM==\"%s\"\n", str);
-	str = udev_device_get_driver(device);
-	if (str == NULL)
-		str = "";
-	printf("    DRIVER==\"%s\"\n", str);
-	print_all_attributes(device, "ATTR");
-
-	device_parent = device;
-	do {
-		device_parent = udev_device_get_parent(device_parent);
-		if (device_parent == NULL)
-			break;
-		printf("  looking at parent device '%s':\n", udev_device_get_devpath(device_parent));
-		printf("    KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent));
-		str = udev_device_get_subsystem(device_parent);
-		if (str == NULL)
-			str = "";
-		printf("    SUBSYSTEMS==\"%s\"\n", str);
-		str = udev_device_get_driver(device_parent);
-		if (str == NULL)
-			str = "";
-		printf("    DRIVERS==\"%s\"\n", str);
-		print_all_attributes(device_parent, "ATTRS");
-	} while (device_parent != NULL);
-
-	return 0;
+        struct udev_device *device_parent;
+        const char *str;
+
+        printf("\n"
+               "Udevadm info starts with the device specified by the devpath and then\n"
+               "walks up the chain of parent devices. It prints for every device\n"
+               "found, all possible attributes in the udev rules key format.\n"
+               "A rule to match, can be composed by the attributes of the device\n"
+               "and the attributes from one single parent device.\n"
+               "\n");
+
+        printf("  looking at device '%s':\n", udev_device_get_devpath(device));
+        printf("    KERNEL==\"%s\"\n", udev_device_get_sysname(device));
+        str = udev_device_get_subsystem(device);
+        if (str == NULL)
+                str = "";
+        printf("    SUBSYSTEM==\"%s\"\n", str);
+        str = udev_device_get_driver(device);
+        if (str == NULL)
+                str = "";
+        printf("    DRIVER==\"%s\"\n", str);
+        print_all_attributes(device, "ATTR");
+
+        device_parent = device;
+        do {
+                device_parent = udev_device_get_parent(device_parent);
+                if (device_parent == NULL)
+                        break;
+                printf("  looking at parent device '%s':\n", udev_device_get_devpath(device_parent));
+                printf("    KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent));
+                str = udev_device_get_subsystem(device_parent);
+                if (str == NULL)
+                        str = "";
+                printf("    SUBSYSTEMS==\"%s\"\n", str);
+                str = udev_device_get_driver(device_parent);
+                if (str == NULL)
+                        str = "";
+                printf("    DRIVERS==\"%s\"\n", str);
+                print_all_attributes(device_parent, "ATTRS");
+        } while (device_parent != NULL);
+
+        return 0;
 }
 
 static void print_record(struct udev_device *device)
 {
-	size_t len;
-	const char *str;
-	int i;
-	struct udev_list_entry *list_entry;
-
-	printf("P: %s\n", udev_device_get_devpath(device));
-
-	len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-	str = udev_device_get_devnode(device);
-	if (str != NULL)
-		printf("N: %s\n", &str[len+1]);
-
-	i = udev_device_get_devlink_priority(device);
-	if (i != 0)
-		printf("L: %i\n", i);
-
-	udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
-		len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-		printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]);
-	}
-
-	udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
-		printf("E: %s=%s\n",
-		       udev_list_entry_get_name(list_entry),
-		       udev_list_entry_get_value(list_entry));
-	printf("\n");
+        size_t len;
+        const char *str;
+        int i;
+        struct udev_list_entry *list_entry;
+
+        printf("P: %s\n", udev_device_get_devpath(device));
+
+        len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+        str = udev_device_get_devnode(device);
+        if (str != NULL)
+                printf("N: %s\n", &str[len+1]);
+
+        i = udev_device_get_devlink_priority(device);
+        if (i != 0)
+                printf("L: %i\n", i);
+
+        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
+                len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+                printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]);
+        }
+
+        udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
+                printf("E: %s=%s\n",
+                       udev_list_entry_get_name(list_entry),
+                       udev_list_entry_get_value(list_entry));
+        printf("\n");
 }
 
 static int stat_device(const char *name, bool export, const char *prefix)
 {
-	struct stat statbuf;
-
-	if (stat(name, &statbuf) != 0)
-		return -1;
-
-	if (export) {
-		if (prefix == NULL)
-			prefix = "INFO_";
-		printf("%sMAJOR=%d\n"
-		       "%sMINOR=%d\n",
-		       prefix, major(statbuf.st_dev),
-		       prefix, minor(statbuf.st_dev));
-	} else
-		printf("%d:%d\n", major(statbuf.st_dev), minor(statbuf.st_dev));
-	return 0;
+        struct stat statbuf;
+
+        if (stat(name, &statbuf) != 0)
+                return -1;
+
+        if (export) {
+                if (prefix == NULL)
+                        prefix = "INFO_";
+                printf("%sMAJOR=%d\n"
+                       "%sMINOR=%d\n",
+                       prefix, major(statbuf.st_dev),
+                       prefix, minor(statbuf.st_dev));
+        } else
+                printf("%d:%d\n", major(statbuf.st_dev), minor(statbuf.st_dev));
+        return 0;
 }
 
 static int export_devices(struct udev *udev)
 {
-	struct udev_enumerate *udev_enumerate;
-	struct udev_list_entry *list_entry;
-
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_scan_devices(udev_enumerate);
-	udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
-		struct udev_device *device;
-
-		device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
-		if (device != NULL) {
-			print_record(device);
-			udev_device_unref(device);
-		}
-	}
-	udev_enumerate_unref(udev_enumerate);
-	return 0;
+        struct udev_enumerate *udev_enumerate;
+        struct udev_list_entry *list_entry;
+
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_scan_devices(udev_enumerate);
+        udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
+                struct udev_device *device;
+
+                device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
+                if (device != NULL) {
+                        print_record(device);
+                        udev_device_unref(device);
+                }
+        }
+        udev_enumerate_unref(udev_enumerate);
+        return 0;
 }
 
 static void cleanup_dir(DIR *dir, mode_t mask, int depth)
 {
-	struct dirent *dent;
-
-	if (depth <= 0)
-		return;
-
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		struct stat stats;
-
-		if (dent->d_name[0] == '.')
-			continue;
-		if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0)
-			continue;
-		if ((stats.st_mode & mask) != 0)
-			continue;
-		if (S_ISDIR(stats.st_mode)) {
-			DIR *dir2;
-
-			dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
-			if (dir2 != NULL) {
-				cleanup_dir(dir2, mask, depth-1);
-				closedir(dir2);
-			}
-			unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR);
-		} else {
-			unlinkat(dirfd(dir), dent->d_name, 0);
-		}
-	}
+        struct dirent *dent;
+
+        if (depth <= 0)
+                return;
+
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                struct stat stats;
+
+                if (dent->d_name[0] == '.')
+                        continue;
+                if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0)
+                        continue;
+                if ((stats.st_mode & mask) != 0)
+                        continue;
+                if (S_ISDIR(stats.st_mode)) {
+                        DIR *dir2;
+
+                        dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
+                        if (dir2 != NULL) {
+                                cleanup_dir(dir2, mask, depth-1);
+                                closedir(dir2);
+                        }
+                        unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR);
+                } else {
+                        unlinkat(dirfd(dir), dent->d_name, 0);
+                }
+        }
 }
 
 static void cleanup_db(struct udev *udev)
 {
-	char filename[UTIL_PATH_SIZE];
-	DIR *dir;
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL);
-	unlink(filename);
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, S_ISVTX, 1);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 2);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 2);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 1);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 1);
-		closedir(dir);
-	}
+        char filename[UTIL_PATH_SIZE];
+        DIR *dir;
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL);
+        unlink(filename);
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, S_ISVTX, 1);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 2);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 2);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 1);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 1);
+                closedir(dir);
+        }
 }
 
 static int uinfo(struct udev *udev, int argc, char *argv[])
 {
-	struct udev_device *device = NULL;
-	bool root = 0;
-	bool export = 0;
-	const char *export_prefix = NULL;
-	char path[UTIL_PATH_SIZE];
-	char name[UTIL_PATH_SIZE];
-	struct udev_list_entry *list_entry;
-	int rc = 0;
-
-	static const struct option options[] = {
-		{ "name", required_argument, NULL, 'n' },
-		{ "path", required_argument, NULL, 'p' },
-		{ "query", required_argument, NULL, 'q' },
-		{ "attribute-walk", no_argument, NULL, 'a' },
-		{ "cleanup-db", no_argument, NULL, 'c' },
-		{ "export-db", no_argument, NULL, 'e' },
-		{ "root", no_argument, NULL, 'r' },
-		{ "run", no_argument, NULL, 'R' },
-		{ "device-id-of-file", required_argument, NULL, 'd' },
-		{ "export", no_argument, NULL, 'x' },
-		{ "export-prefix", required_argument, NULL, 'P' },
-		{ "version", no_argument, NULL, 'V' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	enum action_type {
-		ACTION_NONE,
-		ACTION_QUERY,
-		ACTION_ATTRIBUTE_WALK,
-		ACTION_ROOT,
-		ACTION_DEVICE_ID_FILE,
-	} action = ACTION_NONE;
-
-	enum query_type {
-		QUERY_NONE,
-		QUERY_NAME,
-		QUERY_PATH,
-		QUERY_SYMLINK,
-		QUERY_PROPERTY,
-		QUERY_ALL,
-	} query = QUERY_NONE;
-
-	for (;;) {
-		int option;
-		struct stat statbuf;
-
-		option = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL);
-		if (option == -1)
-			break;
-
-		dbg(udev, "option '%c'\n", option);
-		switch (option) {
-		case 'n':
-			if (device != NULL) {
-				fprintf(stderr, "device already specified\n");
-				rc = 2;
-				goto exit;
-			}
-			/* remove /dev if given */
-			if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0)
-				util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL);
-			else
-				util_strscpy(name, sizeof(name), optarg);
-			util_remove_trailing_chars(name, '/');
-			if (stat(name, &statbuf) < 0) {
-				fprintf(stderr, "device node not found\n");
-				rc = 2;
-				goto exit;
-			} else {
-				char type;
-
-				if (S_ISBLK(statbuf.st_mode)) {
-					type = 'b';
-				} else if (S_ISCHR(statbuf.st_mode)) {
-					type = 'c';
-				} else {
-					fprintf(stderr, "device node has wrong file type\n");
-					rc = 2;
-					goto exit;
-				}
-				device = udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
-				if (device == NULL) {
-					fprintf(stderr, "device node not found\n");
-					rc = 2;
-					goto exit;
-				}
-			}
-			break;
-		case 'p':
-			if (device != NULL) {
-				fprintf(stderr, "device already specified\n");
-				rc = 2;
-				goto exit;
-			}
-			/* add sys dir if needed */
-			if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
-				util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
-			else
-				util_strscpy(path, sizeof(path), optarg);
-			util_remove_trailing_chars(path, '/');
-			device = udev_device_new_from_syspath(udev, path);
-			if (device == NULL) {
-				fprintf(stderr, "device path not found\n");
-				rc = 2;
-				goto exit;
-			}
-			break;
-		case 'q':
-			action = ACTION_QUERY;
-			if (strcmp(optarg, "property") == 0 || strcmp(optarg, "env") == 0) {
-				query = QUERY_PROPERTY;
-			} else if (strcmp(optarg, "name") == 0) {
-				query = QUERY_NAME;
-			} else if (strcmp(optarg, "symlink") == 0) {
-				query = QUERY_SYMLINK;
-			} else if (strcmp(optarg, "path") == 0) {
-				query = QUERY_PATH;
-			} else if (strcmp(optarg, "all") == 0) {
-				query = QUERY_ALL;
-			} else {
-				fprintf(stderr, "unknown query type\n");
-				rc = 3;
-				goto exit;
-			}
-			break;
-		case 'r':
-			if (action == ACTION_NONE)
-				action = ACTION_ROOT;
-			root = true;
-			break;
-		case 'R':
-			printf("%s\n", udev_get_run_path(udev));
-			goto exit;
-		case 'd':
-			action = ACTION_DEVICE_ID_FILE;
-			util_strscpy(name, sizeof(name), optarg);
-			break;
-		case 'a':
-			action = ACTION_ATTRIBUTE_WALK;
-			break;
-		case 'e':
-			export_devices(udev);
-			goto exit;
-		case 'c':
-			cleanup_db(udev);
-			goto exit;
-		case 'x':
-			export = true;
-			break;
-		case 'P':
-			export_prefix = optarg;
-			break;
-		case 'V':
-			printf("%s\n", VERSION);
-			goto exit;
-		case 'h':
-			printf("Usage: udevadm info OPTIONS\n"
-			       "  --query=<type>             query device information:\n"
-			       "      name                     name of device node\n"
-			       "      symlink                  pointing to node\n"
-			       "      path                     sys device path\n"
-			       "      property                 the device properties\n"
-			       "      all                      all values\n"
-			       "  --path=<syspath>           sys device path used for query or attribute walk\n"
-			       "  --name=<name>              node or symlink name used for query or attribute walk\n"
-			       "  --root                     prepend dev directory to path names\n"
-			       "  --attribute-walk           print all key matches while walking along the chain\n"
-			       "                             of parent devices\n"
-			       "  --device-id-of-file=<file> print major:minor of device containing this file\n"
-			       "  --export                   export key/value pairs\n"
-			       "  --export-prefix            export the key name with a prefix\n"
-			       "  --export-db                export the content of the udev database\n"
-			       "  --cleanup-db               cleanup the udev database\n"
-			       "  --help\n\n");
-			goto exit;
-		default:
-			rc = 1;
-			goto exit;
-		}
-	}
-
-	switch (action) {
-	case ACTION_QUERY:
-		if (device == NULL) {
-			fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
-			rc = 4;
-			goto exit;
-		}
-
-		switch(query) {
-		case QUERY_NAME: {
-			const char *node = udev_device_get_devnode(device);
-
-			if (node == NULL) {
-				fprintf(stderr, "no device node found\n");
-				rc = 5;
-				goto exit;
-			}
-
-			if (root) {
-				printf("%s\n", udev_device_get_devnode(device));
-			} else {
-				size_t len = strlen(udev_get_dev_path(udev));
-
-				printf("%s\n", &udev_device_get_devnode(device)[len+1]);
-			}
-			break;
-		}
-		case QUERY_SYMLINK:
-			list_entry = udev_device_get_devlinks_list_entry(device);
-			while (list_entry != NULL) {
-				if (root) {
-					printf("%s", udev_list_entry_get_name(list_entry));
-				} else {
-					size_t len;
-
-					len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-					printf("%s", &udev_list_entry_get_name(list_entry)[len+1]);
-				}
-				list_entry = udev_list_entry_get_next(list_entry);
-				if (list_entry != NULL)
-					printf(" ");
-			}
-			printf("\n");
-			break;
-		case QUERY_PATH:
-			printf("%s\n", udev_device_get_devpath(device));
-			goto exit;
-		case QUERY_PROPERTY:
-			list_entry = udev_device_get_properties_list_entry(device);
-			while (list_entry != NULL) {
-				if (export) {
-					const char *prefix = export_prefix;
-
-					if (prefix == NULL)
-						prefix = "";
-					printf("%s%s='%s'\n", prefix,
-					       udev_list_entry_get_name(list_entry),
-					       udev_list_entry_get_value(list_entry));
-				} else {
-					printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
-				}
-				list_entry = udev_list_entry_get_next(list_entry);
-			}
-			break;
-		case QUERY_ALL:
-			print_record(device);
-			break;
-		default:
-			fprintf(stderr, "unknown query type\n");
-			break;
-		}
-		break;
-	case ACTION_ATTRIBUTE_WALK:
-		if (device == NULL) {
-			fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
-			rc = 4;
-			goto exit;
-		}
-		print_device_chain(device);
-		break;
-	case ACTION_DEVICE_ID_FILE:
-		if (stat_device(name, export, export_prefix) != 0)
-			rc = 1;
-		break;
-	case ACTION_ROOT:
-		printf("%s\n", udev_get_dev_path(udev));
-		break;
-	default:
-		fprintf(stderr, "missing option\n");
-		rc = 1;
-		break;
-	}
+        struct udev_device *device = NULL;
+        bool root = 0;
+        bool export = 0;
+        const char *export_prefix = NULL;
+        char path[UTIL_PATH_SIZE];
+        char name[UTIL_PATH_SIZE];
+        struct udev_list_entry *list_entry;
+        int rc = 0;
+
+        static const struct option options[] = {
+                { "name", required_argument, NULL, 'n' },
+                { "path", required_argument, NULL, 'p' },
+                { "query", required_argument, NULL, 'q' },
+                { "attribute-walk", no_argument, NULL, 'a' },
+                { "cleanup-db", no_argument, NULL, 'c' },
+                { "export-db", no_argument, NULL, 'e' },
+                { "root", no_argument, NULL, 'r' },
+                { "run", no_argument, NULL, 'R' },
+                { "device-id-of-file", required_argument, NULL, 'd' },
+                { "export", no_argument, NULL, 'x' },
+                { "export-prefix", required_argument, NULL, 'P' },
+                { "version", no_argument, NULL, 'V' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        enum action_type {
+                ACTION_NONE,
+                ACTION_QUERY,
+                ACTION_ATTRIBUTE_WALK,
+                ACTION_ROOT,
+                ACTION_DEVICE_ID_FILE,
+        } action = ACTION_NONE;
+
+        enum query_type {
+                QUERY_NONE,
+                QUERY_NAME,
+                QUERY_PATH,
+                QUERY_SYMLINK,
+                QUERY_PROPERTY,
+                QUERY_ALL,
+        } query = QUERY_NONE;
+
+        for (;;) {
+                int option;
+                struct stat statbuf;
+
+                option = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL);
+                if (option == -1)
+                        break;
+
+                dbg(udev, "option '%c'\n", option);
+                switch (option) {
+                case 'n':
+                        if (device != NULL) {
+                                fprintf(stderr, "device already specified\n");
+                                rc = 2;
+                                goto exit;
+                        }
+                        /* remove /dev if given */
+                        if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0)
+                                util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL);
+                        else
+                                util_strscpy(name, sizeof(name), optarg);
+                        util_remove_trailing_chars(name, '/');
+                        if (stat(name, &statbuf) < 0) {
+                                fprintf(stderr, "device node not found\n");
+                                rc = 2;
+                                goto exit;
+                        } else {
+                                char type;
+
+                                if (S_ISBLK(statbuf.st_mode)) {
+                                        type = 'b';
+                                } else if (S_ISCHR(statbuf.st_mode)) {
+                                        type = 'c';
+                                } else {
+                                        fprintf(stderr, "device node has wrong file type\n");
+                                        rc = 2;
+                                        goto exit;
+                                }
+                                device = udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
+                                if (device == NULL) {
+                                        fprintf(stderr, "device node not found\n");
+                                        rc = 2;
+                                        goto exit;
+                                }
+                        }
+                        break;
+                case 'p':
+                        if (device != NULL) {
+                                fprintf(stderr, "device already specified\n");
+                                rc = 2;
+                                goto exit;
+                        }
+                        /* add sys dir if needed */
+                        if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
+                                util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
+                        else
+                                util_strscpy(path, sizeof(path), optarg);
+                        util_remove_trailing_chars(path, '/');
+                        device = udev_device_new_from_syspath(udev, path);
+                        if (device == NULL) {
+                                fprintf(stderr, "device path not found\n");
+                                rc = 2;
+                                goto exit;
+                        }
+                        break;
+                case 'q':
+                        action = ACTION_QUERY;
+                        if (strcmp(optarg, "property") == 0 || strcmp(optarg, "env") == 0) {
+                                query = QUERY_PROPERTY;
+                        } else if (strcmp(optarg, "name") == 0) {
+                                query = QUERY_NAME;
+                        } else if (strcmp(optarg, "symlink") == 0) {
+                                query = QUERY_SYMLINK;
+                        } else if (strcmp(optarg, "path") == 0) {
+                                query = QUERY_PATH;
+                        } else if (strcmp(optarg, "all") == 0) {
+                                query = QUERY_ALL;
+                        } else {
+                                fprintf(stderr, "unknown query type\n");
+                                rc = 3;
+                                goto exit;
+                        }
+                        break;
+                case 'r':
+                        if (action == ACTION_NONE)
+                                action = ACTION_ROOT;
+                        root = true;
+                        break;
+                case 'R':
+                        printf("%s\n", udev_get_run_path(udev));
+                        goto exit;
+                case 'd':
+                        action = ACTION_DEVICE_ID_FILE;
+                        util_strscpy(name, sizeof(name), optarg);
+                        break;
+                case 'a':
+                        action = ACTION_ATTRIBUTE_WALK;
+                        break;
+                case 'e':
+                        export_devices(udev);
+                        goto exit;
+                case 'c':
+                        cleanup_db(udev);
+                        goto exit;
+                case 'x':
+                        export = true;
+                        break;
+                case 'P':
+                        export_prefix = optarg;
+                        break;
+                case 'V':
+                        printf("%s\n", VERSION);
+                        goto exit;
+                case 'h':
+                        printf("Usage: udevadm info OPTIONS\n"
+                               "  --query=<type>             query device information:\n"
+                               "      name                     name of device node\n"
+                               "      symlink                  pointing to node\n"
+                               "      path                     sys device path\n"
+                               "      property                 the device properties\n"
+                               "      all                      all values\n"
+                               "  --path=<syspath>           sys device path used for query or attribute walk\n"
+                               "  --name=<name>              node or symlink name used for query or attribute walk\n"
+                               "  --root                     prepend dev directory to path names\n"
+                               "  --attribute-walk           print all key matches while walking along the chain\n"
+                               "                             of parent devices\n"
+                               "  --device-id-of-file=<file> print major:minor of device containing this file\n"
+                               "  --export                   export key/value pairs\n"
+                               "  --export-prefix            export the key name with a prefix\n"
+                               "  --export-db                export the content of the udev database\n"
+                               "  --cleanup-db               cleanup the udev database\n"
+                               "  --help\n\n");
+                        goto exit;
+                default:
+                        rc = 1;
+                        goto exit;
+                }
+        }
+
+        switch (action) {
+        case ACTION_QUERY:
+                if (device == NULL) {
+                        fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
+                        rc = 4;
+                        goto exit;
+                }
+
+                switch(query) {
+                case QUERY_NAME: {
+                        const char *node = udev_device_get_devnode(device);
+
+                        if (node == NULL) {
+                                fprintf(stderr, "no device node found\n");
+                                rc = 5;
+                                goto exit;
+                        }
+
+                        if (root) {
+                                printf("%s\n", udev_device_get_devnode(device));
+                        } else {
+                                size_t len = strlen(udev_get_dev_path(udev));
+
+                                printf("%s\n", &udev_device_get_devnode(device)[len+1]);
+                        }
+                        break;
+                }
+                case QUERY_SYMLINK:
+                        list_entry = udev_device_get_devlinks_list_entry(device);
+                        while (list_entry != NULL) {
+                                if (root) {
+                                        printf("%s", udev_list_entry_get_name(list_entry));
+                                } else {
+                                        size_t len;
+
+                                        len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+                                        printf("%s", &udev_list_entry_get_name(list_entry)[len+1]);
+                                }
+                                list_entry = udev_list_entry_get_next(list_entry);
+                                if (list_entry != NULL)
+                                        printf(" ");
+                        }
+                        printf("\n");
+                        break;
+                case QUERY_PATH:
+                        printf("%s\n", udev_device_get_devpath(device));
+                        goto exit;
+                case QUERY_PROPERTY:
+                        list_entry = udev_device_get_properties_list_entry(device);
+                        while (list_entry != NULL) {
+                                if (export) {
+                                        const char *prefix = export_prefix;
+
+                                        if (prefix == NULL)
+                                                prefix = "";
+                                        printf("%s%s='%s'\n", prefix,
+                                               udev_list_entry_get_name(list_entry),
+                                               udev_list_entry_get_value(list_entry));
+                                } else {
+                                        printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+                                }
+                                list_entry = udev_list_entry_get_next(list_entry);
+                        }
+                        break;
+                case QUERY_ALL:
+                        print_record(device);
+                        break;
+                default:
+                        fprintf(stderr, "unknown query type\n");
+                        break;
+                }
+                break;
+        case ACTION_ATTRIBUTE_WALK:
+                if (device == NULL) {
+                        fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
+                        rc = 4;
+                        goto exit;
+                }
+                print_device_chain(device);
+                break;
+        case ACTION_DEVICE_ID_FILE:
+                if (stat_device(name, export, export_prefix) != 0)
+                        rc = 1;
+                break;
+        case ACTION_ROOT:
+                printf("%s\n", udev_get_dev_path(udev));
+                break;
+        default:
+                fprintf(stderr, "missing option\n");
+                rc = 1;
+                break;
+        }
 
 exit:
-	udev_device_unref(device);
-	return rc;
+        udev_device_unref(device);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_info = {
-	.name = "info",
-	.cmd = uinfo,
-	.help = "query sysfs or the udev database",
+        .name = "info",
+        .cmd = uinfo,
+        .help = "query sysfs or the udev database",
 };