Append fill bytes to bring dest to a greater length.
Append the specified length bytes to the specified dest, all new bytes are to be set to the specified fill. The behavior is undefined unless length <= dest->totalSize() - dest->length() or 0 != dest->factory().
| Name | Description |
|---|---|
| dest | destination blob |
| length | number of fill bytes to append |
| fill | byte value used for each appended byte |