Add sparse file support to cpio [PSARC/2008/727 Self Review]

[Cynthia Eastham]

Cynthia Eastham wrote:
> 
> I've talked with Don Cragun, who is off-line today for medical reasons, 
> about Garrett's proposal as well as Joerg's proposal.  Due to extreme 
> time constraints, we are happy to make the proposed interfaces 
> undocumented and Project Private.  I'll work with the LU team to draw up 
> a contract.

I should clarify that we'll make the interfaces originally proposed in 
this case undocumented and Project Private.

> 
> In the future, but not part of this case, after discussing it with AT&T, 
> my intent will be to provide Committed interfaces for handling sparse 
> files along the lines of Joerg's proposal.