chiark / gitweb /
vol_id: fix language in manpage
[elogind.git] / udev / udevadm-info.c
index e470ff624da662997ae1865ad965ca4eaa18cfad..f20eb07e046bd462f576c45967746e21f368428c 100644 (file)
@@ -32,6 +32,7 @@
 
 static void print_all_attributes(struct udev_device *device, const char *key)
 {
+       struct udev *udev = udev_device_get_udev(device);
        DIR *dir;
        struct dirent *dent;
 
@@ -59,7 +60,7 @@ static void print_all_attributes(struct udev_device *device, const char *key)
                        if (S_ISLNK(statbuf.st_mode))
                                continue;
 
-                       value = udev_device_get_attr_value(device, dent->d_name);
+                       value = udev_device_get_sysattr_value(device, dent->d_name);
                        if (value == NULL)
                                continue;
                        dbg(udev, "attr '%s'='%s'(%zi)\n", dent->d_name, value, len);
@@ -69,7 +70,7 @@ static void print_all_attributes(struct udev_device *device, const char *key)
                        while (len > 0 && isprint(value[len-1]))
                                len--;
                        if (len > 0) {
-                               dbg(info, "attribute value of '%s' non-printable, skip\n", dent->d_name);
+                               dbg(udev, "attribute value of '%s' non-printable, skip\n", dent->d_name);
                                continue;
                        }
 
@@ -86,7 +87,7 @@ static int print_device_chain(struct udev_device *device)
        const char *str;
 
        printf("\n"
-              "Udevinfo starts with the device specified by the devpath and then\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"
@@ -129,26 +130,33 @@ static int print_device_chain(struct udev_device *device)
 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)));
-       printf("N: %s\n", &udev_device_get_devnode(device)[len+1]);
+       str = udev_device_get_devnode(device);
+       if (str != NULL)
+               printf("N: %s\n", &str[len+1]);
 
-       i = device_get_devlink_priority(device);
+       i = udev_device_get_devlink_priority(device);
        if (i != 0)
                printf("L: %i\n", i);
 
-       i = device_get_num_fake_partitions(device);
+       i = udev_device_get_num_fake_partitions(device);
        if (i != 0)
                printf("A:%u\n", i);
 
-       i = device_get_ignore_remove(device);
+       i = udev_device_get_ignore_remove(device);
        if (i != 0)
                printf("R:%u\n", i);
 
+       i = udev_device_get_watch_handle(device);
+       if (i >= 0)
+               printf("W:%u\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]);
@@ -158,7 +166,6 @@ static void print_record(struct udev_device *device)
                printf("E: %s=%s\n",
                       udev_list_entry_get_name(list_entry),
                       udev_list_entry_get_value(list_entry));
-
        printf("\n");
 }
 
@@ -183,23 +190,23 @@ static int stat_device(const char *name, int export, const char *prefix)
 
 static int export_devices(struct udev *udev)
 {
-       struct udev_enumerate *enumerate;
+       struct udev_enumerate *udev_enumerate;
        struct udev_list_entry *list_entry;
 
-       enumerate = udev_enumerate_new_from_devices(udev, NULL);
-       if (enumerate == NULL)
+       udev_enumerate = udev_enumerate_new(udev);
+       if (udev_enumerate == NULL)
                return -1;
-       udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
+       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) {
-                       if (udev_device_get_devnode(device) != NULL)
-                               print_record(device);
+                       print_record(device);
                        udev_device_unref(device);
                }
        }
-       udev_enumerate_unref(enumerate);
+       udev_enumerate_unref(udev_enumerate);
        return 0;
 }
 
@@ -215,17 +222,17 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
        int rc = 0;
 
        static const struct option options[] = {
-               { "name", 1, NULL, 'n' },
-               { "path", 1, NULL, 'p' },
-               { "query", 1, NULL, 'q' },
-               { "attribute-walk", 0, NULL, 'a' },
-               { "export-db", 0, NULL, 'e' },
-               { "root", 0, NULL, 'r' },
-               { "device-id-of-file", 1, NULL, 'd' },
-               { "export", 0, NULL, 'x' },
-               { "export-prefix", 1, NULL, 'P' },
-               { "version", 0, NULL, 1 }, /* -V outputs braindead format */
-               { "help", 0, NULL, 'h' },
+               { "name", required_argument, NULL, 'n' },
+               { "path", required_argument, NULL, 'p' },
+               { "query", required_argument, NULL, 'q' },
+               { "attribute-walk", no_argument, NULL, 'a' },
+               { "export-db", no_argument, NULL, 'e' },
+               { "root", 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' },
                {}
        };
 
@@ -339,7 +346,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                                break;
                        }
                        fprintf(stderr, "unknown query type\n");
-                       rc = 2;
+                       rc = 3;
                        goto exit;
                case 'r':
                        if (action == ACTION_NONE)
@@ -362,11 +369,8 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                case 'P':
                        export_prefix = optarg;
                        break;
-               case 1:
-                       printf("%s\n", VERSION);
-                       goto exit;
                case 'V':
-                       printf("udevinfo, version %s\n", VERSION);
+                       printf("%s\n", VERSION);
                        goto exit;
                case 'h':
                        printf("Usage: udevadm info OPTIONS\n"
@@ -383,8 +387,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                               "                             of parent devices\n"
                               "  --device-id-of-file=<file> print major:minor of device containing this file\n"
                               "  --export-db                export the content of the udev database\n"
-                              "  --help                     print this text\n"
-                              "\n");
+                              "  --help\n\n");
                        goto exit;
                default:
                        goto exit;
@@ -405,9 +408,16 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                                printf("%s\n", udev_device_get_devnode(device));
                        } else {
                                size_t len;
+                               const char *node;
 
                                len = strlen(udev_get_dev_path(udev));
-                               printf("%s\n", &udev_device_get_devnode(device)[len+1]);
+                               node = udev_device_get_devnode(device);
+                               if (node == NULL) {
+                                       fprintf(stderr, "no device node found\n");
+                                       rc = 5;
+                                       goto exit;
+                               }
+                                       printf("%s\n", &udev_device_get_devnode(device)[len+1]);
                        }
                        break;
                case QUERY_SYMLINK:
@@ -448,14 +458,14 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
        case ACTION_ATTRIBUTE_WALK:
                if (device == NULL) {
                        fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
-                       rc = 5;
+                       rc = 4;
                        goto exit;
                }
                print_device_chain(device);
                break;
        case ACTION_DEVICE_ID_FILE:
                if (stat_device(name, export, export_prefix) != 0)
-                       rc = 6;
+                       rc = 1;
                break;
        case ACTION_ROOT:
                printf("%s\n", udev_get_dev_path(udev));