[PATCH 0/2] libudev: Get all sysfs attrs for a device

[Thomas Egerer <thomas.egerer@secunet.com>]

Hi folks,

I recently took part in writing an application using libudev to retrieve
information on devices present on a linux system. It became evident that
apparently there is no way to retrieve all possible sysfs attributes for a
particular device (the same way it is possible to get all of its properties).
The matter kept nagging me -- even though we worked our way around this using
sysfs directly -- and I decided to add a udev_device_get_sysattr_list_entry. For
this matter the behavior of udev_device_get_sysattr_value had to be modified (a
little): on first access of any sysattr, it create an list including _all_
sysfs-attributes as name (with an empty value, except for the symlinks). The
values are cached as soon as thery're requested. Negative entries do not exist
anymore.

Cheers, Thomas