Method

FwupdPluginUdevDeviceread_byte_array

since: 2.0.18

Declaration [src]

GByteArray*
fu_udev_device_read_byte_array (
  FuUdevDevice* self,
  gsize count,
  guint timeout_ms,
  FuIOChannelFlags flags,
  GError** error
)

Description [src]

Read a buffer from a file descriptor.

Available since: 2.0.18

Parameters

count

Type: gsize

Bytes to read.

timeout_ms

Type: guint

Timeout in ms.

flags

Type: FuIOChannelFlags

Channel flags, e.g. FU_IO_CHANNEL_FLAG_SINGLE_SHOT.

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 be 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: An array of guint8

A GByteArray, or NULL.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.