mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-10-30 14:55:26 +03:00
libudev: device - add get_parent_with_subsystem()
This commit is contained in:
parent
e598c5738c
commit
98f10a9e2a
1
TODO
1
TODO
@ -1,4 +1,5 @@
|
||||
convert usb_id to libudev's udev_device
|
||||
add DEVTYPE
|
||||
|
||||
o handle spaces in SYMLINK+=, do not create multiple links
|
||||
o use libudev device in udev_rules.c
|
||||
|
@ -16,6 +16,7 @@ udev_list_entry_get_value
|
||||
udev_device_new_from_syspath
|
||||
udev_device_new_from_devnum
|
||||
udev_device_get_parent
|
||||
udev_device_get_parent_with_subsystem
|
||||
udev_device_ref
|
||||
udev_device_unref
|
||||
udev_device_get_udev
|
||||
|
@ -404,6 +404,22 @@ struct udev_device *udev_device_get_parent(struct udev_device *udev_device)
|
||||
return udev_device->parent_device;
|
||||
}
|
||||
|
||||
struct udev_device *udev_device_get_parent_with_subsystem(struct udev_device *udev_device, const char *subsystem)
|
||||
{
|
||||
struct udev_device *parent;
|
||||
|
||||
parent = udev_device_get_parent(udev_device);
|
||||
while (parent != NULL) {
|
||||
const char *parent_subsystem;
|
||||
|
||||
parent_subsystem = udev_device_get_subsystem(parent);
|
||||
if (parent_subsystem != NULL && strcmp(parent_subsystem, subsystem) == 0)
|
||||
break;
|
||||
parent = udev_device_get_parent(parent);
|
||||
}
|
||||
return parent;
|
||||
}
|
||||
|
||||
/**
|
||||
* udev_device_get_udev:
|
||||
* @udev_device: udev device
|
||||
|
@ -60,6 +60,7 @@ struct udev_device;
|
||||
extern struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
|
||||
extern struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
|
||||
extern struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
|
||||
extern struct udev_device *udev_device_get_parent_with_subsystem(struct udev_device *udev_device, const char *subsystem);
|
||||
extern struct udev_device *udev_device_ref(struct udev_device *udev_device);
|
||||
extern void udev_device_unref(struct udev_device *udev_device);
|
||||
extern struct udev *udev_device_get_udev(struct udev_device *udev_device);
|
||||
|
Loading…
Reference in New Issue
Block a user