X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev_db.c;h=518ace9a5d9822c5e1f7bfb6e9bc70adcbae1f80;hp=7b8d02bf81f895eba55c702a837a4e8f21c7da81;hb=8c1711dcd03e84bfec4bb2ee767d0467fd32f6a5;hpb=be8594ab14f15203fcea4b2aa0115171472f3e43

diff --git a/udev_db.c b/udev_db.c
index 7b8d02bf8..518ace9a5 100644
--- a/udev_db.c
+++ b/udev_db.c
@@ -37,7 +37,7 @@ static size_t devpath_to_db_path(const char *devpath, char *filename, size_t len
 {
 	size_t start;
 
-	/* add location of db files */
+	/* translate to location of db file */
 	strlcpy(filename, udev_root, len);
 	start = strlcat(filename, "/"DB_DIR"/", len);
 	strlcat(filename, devpath, len);
@@ -117,6 +117,16 @@ out:
 	return rc;
 }
 
+int udev_db_rename(const char *devpath_old, const char *devpath)
+{
+	char filename[PATH_SIZE];
+	char filename_old[PATH_SIZE];
+
+	devpath_to_db_path(devpath_old, filename_old, sizeof(filename_old));
+	devpath_to_db_path(devpath, filename, sizeof(filename));
+	return rename(filename_old, filename);
+}
+
 int udev_db_add_device(struct udevice *udev)
 {
 	char filename[PATH_SIZE];
@@ -157,9 +167,9 @@ int udev_db_add_device(struct udevice *udev)
 			name_index(udev->dev->devpath, name_loop->name, 1);
 		}
 		fprintf(f, "M:%u:%u\n", major(udev->devt), minor(udev->devt));
-		if (udev->link_priority)
+		if (udev->link_priority != 0)
 			fprintf(f, "L:%u\n", udev->link_priority);
-		if (udev->partitions)
+		if (udev->partitions != 0)
 			fprintf(f, "A:%u\n", udev->partitions);
 		if (udev->ignore_remove)
 			fprintf(f, "R:%u\n", udev->ignore_remove);