libudev: introduce clone_with_db()

This allows us to move the db reading from udevd to libudev.

2 files changed, 15 insertions, 0 deletions

diff --git a/src/libudev/libudev-device.c b/src/libudev/libudev-device.c
index 2604ad705..c0a061af6 100644
--- a/src/libudev/libudev-device.c
+++ b/src/libudev/libudev-device.c
@@ -1986,6 +1986,20 @@ struct udev_device *udev_device_shallow_clone(struct udev_device *old_device)
         return device;
 }
 
+struct udev_device *udev_device_clone_with_db(struct udev_device *old_device)
+{
+        struct udev_device *device;
+
+        device = udev_device_shallow_clone(old_device);
+        if (!device)
+                return NULL;
+
+        udev_device_read_db(device);
+        udev_device_set_info_loaded(device);
+
+        return device;
+}
+
 struct udev_device *udev_device_new_from_nulstr(struct udev *udev, char *nulstr, ssize_t buflen) {
         struct udev_device *device;
         ssize_t bufpos = 0;
diff --git a/src/libudev/libudev-private.h b/src/libudev/libudev-private.h
index c0f9fbe76..a34c0f74e 100644
--- a/src/libudev/libudev-private.h
+++ b/src/libudev/libudev-private.h
@@ -39,6 +39,7 @@ int udev_get_rules_path(struct udev *udev, char **path[], usec_t *ts_usec[]);
 /* libudev-device.c */
 struct udev_device *udev_device_new_from_nulstr(struct udev *udev, char *nulstr, ssize_t buflen);
 struct udev_device *udev_device_shallow_clone(struct udev_device *old_device);
+struct udev_device *udev_device_clone_with_db(struct udev_device *old_device);
 int udev_device_copy_properties(struct udev_device *dst, struct udev_device *src);
 mode_t udev_device_get_devnode_mode(struct udev_device *udev_device);
 uid_t udev_device_get_devnode_uid(struct udev_device *udev_device);