Method

FwupdPluginUdevDeviceget_sysfs_attr

since: 1.4.5

Declaration [src]

const gchar*
fu_udev_device_get_sysfs_attr (
  FuUdevDevice* self,
  const gchar* attr,
  GError** error
)

Description [src]

Reads an arbitrary sysfs attribute ‘attr’ associated with UDEV device.

Available since: 1.4.5

Parameters

attr

Type: const gchar*

Name of attribute to get.

The data is owned by the caller of the function.

The value is a NUL terminated UTF-8 string.

error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.

If the return location is not NULL, then you must initialize it to a NULL GError*.

The argument will left initialized to NULL by the method if there are no errors.

In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: const gchar*

String or NULL.

The data is owned by the instance.

The value is a NUL terminated UTF-8 string.