Method
ArrowSeekableInputStreamread_at
Declaration [src]
GArrowBuffer*
garrow_seekable_input_stream_read_at (
GArrowSeekableInputStream* input_stream,
gint64 position,
gint64 n_bytes,
GError** error
)
Parameters
position-
Type:
gint64The read start position.
n_bytes-
Type:
gint64The number of bytes to be read.
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 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: GArrowBuffer
GArrowBuffer that has read
data on success, NULL if there was an error.
| The caller of the method takes ownership of the data, and is responsible for freeing it. |
The return value can be NULL. |