Updates part of the buffer with new data from data.
Where to put this new data is controlled by offset and offset + data should be less than the
buffer size.
| offset |
destination offset (in bytes) in the buffer |
| data |
a pointer to the data to be copied into the buffer |
| buffer |
a buffer object |
| size |
number of bytes to copy |
|
true is the operation succeeded, false otherwise |