Method
GioOutputStreamwrite
Declaration
gssize
g_output_stream_write (
GOutputStream* stream,
void* buffer,
gsize count,
GCancellable* cancellable,
GError** error
)
Description
Tries to write count bytes from buffer into the stream. Will block
during the operation.
If count is 0, returns 0 and does nothing. A value of count
larger than G_MAXSSIZE will cause a G_IO_ERROR_INVALID_ARGUMENT error.
On success, the number of bytes written to the stream is returned.
It is not an error if this is not the same as the requested size, as it
can happen e.g. on a partial I/O error, or if there is not enough
storage in the stream. All writes block until at least one byte
is written or an error occurs; 0 is never returned (unless
count is 0).
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.
On error -1 is returned and error is set accordingly.
Parameters
buffer-
Type: An array of
guint8The buffer containing the data to write.
The length of the array is specified in the countargument.The data is owned by the caller of the function. count-
Type:
gsizeThe number of bytes to write.
cancellable-
Type:
GCancellableOptional cancellable object.
The argument can be NULL.The data is owned by the caller of the function. 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.