Method
GioSeekabletruncate
Declaration
gboolean
g_seekable_truncate (
GSeekable* seekable,
goffset offset,
GCancellable* cancellable,
GError** error
)
Description
Sets the length of the stream to offset
. If the stream was previously
larger than offset
, the extra data is discarded. If the stream was
previously shorter than offset
, it is extended with NUL (‘\0’) bytes.
If cancellable
is not NULL
, then the operation can be cancelled by
triggering the cancellable object from another thread. If the operation
was cancelled, the error G_IO_ERROR_CANCELLED
will be returned. If an
operation was partially finished when the operation was cancelled the
partial result will be returned, without an error.
Parameters
offset |
goffset |
New length for |
|
cancellable |
GCancellable |
Optional |
|
The argument can be NULL . | |
The data is owned by the caller of the function. | |
error |
GError ** |
The return location for a GError* , or NULL . |