udev: event - move renaming of udev_device to libudev

This is not exposed in the public API. We want to simplify the internal libudev-device API as much as possible
so that it will be simpler to rip the whole thing out in the future.

2 files changed, 23 insertions, 0 deletions

diff --git a/src/libudev/libudev-device.c b/src/libudev/libudev-device.c
index a7446bff77..193c706d89 100644
--- a/src/libudev/libudev-device.c
+++ b/src/libudev/libudev-device.c
@@ -1922,3 +1922,25 @@ void udev_device_set_db_persist(struct udev_device *udev_device)
 {
         udev_device->db_persist = true;
 }
+
+int udev_device_rename(struct udev_device *udev_device, const char *name)
+{
+        _cleanup_free_ char *dirname = NULL;
+        char *new_syspath;
+        int r;
+
+        if (udev_device == NULL || name == NULL)
+                return -EINVAL;
+
+        dirname = dirname_malloc(udev_device->syspath);
+        if (!dirname)
+                return -ENOMEM;
+
+        new_syspath = strappenda(dirname, "/", name);
+
+        r = udev_device_set_syspath(udev_device, new_syspath);
+        if (r < 0)
+                return r;
+
+        return 0;
+}
diff --git a/src/libudev/libudev-private.h b/src/libudev/libudev-private.h
index d188bdad20..017b6cc63b 100644
--- a/src/libudev/libudev-private.h
+++ b/src/libudev/libudev-private.h
@@ -43,6 +43,7 @@ uid_t udev_device_get_devnode_uid(struct udev_device *udev_device);
 gid_t udev_device_get_devnode_gid(struct udev_device *udev_device);
 int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsystem);
 int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath);
+int udev_device_rename(struct udev_device *udev_device, const char *new_name);
 int udev_device_set_devnum(struct udev_device *udev_device, dev_t devnum);
 int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink);
 void udev_device_cleanup_devlinks_list(struct udev_device *udev_device);