[physfs] lzma: strncpy for non-string data?

[Ryan C. Gordon]

> While my method is easier to implement and faster when reading from the file 
> more than once, it also pushes the memory requirements.
> Do you think this should be changed?

My inclination is to uncompress as needed, like the .zip archiver, but I 
don't have any pressing need for this to change.

If nothing else, caching should probably happen at a higher level so 
each archiver doesn't have to implement their own...again, there's no 
pressing demand for that.

--ryan.