write
Description:
Writes a chunk of bytes from a blob
to the BLOB accessible through this, blob
is
unchanged after this call.
If blob
has an associated BlobOp (ie. if blob
->op is not
null) then the data to be written using this is the data fetched using
blob
->op.
Parameters:
this |
a BlobOp |
blob |
a Blob which contains the data to write |
offset |
offset to write from the start of the blob (starts at 0) |
Returns:
the number of bytes written. In case of error, -1 is returned and the provider should have added an error to the connection. |