X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev%2Fudevadm-info.c;h=78c218eef0b22355d2d08a74c4d76a309b1f3a8a;hb=bb144ed14d34716435f18ea6a0ea0ee899f809e9;hp=4da9881dbe6593e104a061b8035294188caf360b;hpb=62b9dfb62255c5b07f1356eee423aff18d6addaa;p=elogind.git

diff --git a/udev/udevadm-info.c b/udev/udevadm-info.c
index 4da9881db..78c218eef 100644
--- a/udev/udevadm-info.c
+++ b/udev/udevadm-info.c
@@ -130,23 +130,26 @@ 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);
 
@@ -159,7 +162,6 @@ 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");
 }
 
@@ -217,17 +219,17 @@ 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, 1 }, /* -V outputs braindead format */
+		{ "help", no_argument, NULL, 'h' },
 		{}
 	};