Method

FwupdPluginInputStreamread

since: 2.1.7

Declaration [src]

gssize
fu_input_stream_read (
  FuInputStream* stream,
  void* buffer,
  gsize count,
  GCancellable* cancellable,
  GError** error
)

Description [src]

Tries to read count bytes from the stream into the buffer starting at buffer.

Available since: 2.1.7

Parameters

buffer

Type: void*

A buffer to read data into.

The data is owned by the caller of the method.
count

Type: gsize

The number of bytes that will be read from the stream.

cancellable

Type: GCancellable

Optional GCancellable object.

The argument can be NULL.
The data is owned by the caller of the method.
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: gssize

Number of bytes read, 0 for end of stream, or -1 on error.