Method
FwupdPluginUdevDeviceread_sysfs_bytes
since: 2.0.1
Declaration [src]
GBytes*
fu_udev_device_read_sysfs_bytes (
FuUdevDevice* self,
const gchar* attr,
gssize count,
guint timeout_ms,
GError** error
)
Parameters
attr-
Type:
const gchar*Sysfs attribute name.
The data is owned by the caller of the method. The value is a NUL terminated UTF-8 string. count-
Type:
gssizeMaximum bytes to read, or -1 for no limit.
timeout_ms-
Type:
guintIO timeout in milliseconds.
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 aNULLGError*.The argument will be left initialized to NULLby 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: GBytes
String value, or NULL.
| The caller of the method takes ownership of the returned data, and is responsible for freeing it. |