Reminder: Software patents aren't a thing in most of the world.
This is a good thing, as this code should be studied and documented and free alternatives written while referencing this documentation.
This is a good thing, as this code should be studied and documented and free alternatives written while referencing this documentation.
By country count, in most of the world (>50%), there is not a notion of "stealing source code." There are notions of stealing cattle and pottery. But legal frameworks have not really caught up.
Also, their Clean Room Guidelines: https://wiki.winehq.org/Clean_Room_Guidelines