4.8 oskit_stream: standard interface for byte stream objects

 

The oskit_stream COM interface supports reading and writing to stream objects, and corresponds to the Microsoft COM IStream interface.

The oskit_stream COM interface inherits from oskit_iunknown, and has the following additional methods:

read

Read from this object, starting at the current seek pointer.

write

Write to this object, starting at the current seek pointer.

seek

Change the seek pointer of this object.

setsize

Change the size of this object.

copyto

Copy from this object to another stream object.

commit

Commit all changes to this object.

revert

Revert to last committed version of this object.

lockregion

Lock a region of this object.

unlockregion

Unlock a region of this object.

stat

Get attributes of this object.

clone

Create a new stream object for the same underlying object.

• 4.8.1 read: Read from this stream, starting at the seek pointer
• 4.8.2 write: Write to this stream, starting at the seek pointer
• 4.8.3 seek: Change the seek pointer of this stream
• 4.8.4 setsize: Set the size of this object
• 4.8.5 copyto: Copy data from this object to another stream object
• 4.8.6 commit: Commit all changes to this object
• 4.8.7 revert: Revert to last committed version of this object
• 4.8.8 lockregion: Lock a region of this object
• 4.8.9 unlockregion: Unlock a region of this object
• 4.8.10 stat: Get attributes of this object
• 4.8.11 clone: Create a new stream object for the same underlying object