Ok, so i think most of my ported file shouldn't add copyright. But some file in the rtemsbsd folder , i think i modified some new code. The link is below: https://github.com/hahchenchen/rtems-libbsd/blob/usb2.0/rtemsbsd/include/bsp/nexus-devices.h#L49
https://github.com/hahchenchen/rtems-libbsd/blob/usb2.0/rtemsbsd/include/machine/rtems-bsd-nexus-bus.h#L260 Best Regards Sichen Zhao > Hello Sichen Zhao, > > Copyright applies to any new code that you personally author. The > conventional wisdom is that if you make 3 or more lines of new code in > a file, then you have expressed some original thoughts/ideas in the > code and a copyright existss so you can/should add your name. Changing > existing code does not necessarily give you a copyright on it, and > neither do mechanical changes i.e., code changes that do not express a > thought. This is a fairly large grey area. > > Gedare > > > On Mon, Jun 19, 2017 at 2:57 AM, Sichen Zhao <zsc19940...@outlook.com> wrote: >> Hi all, >> >> I have a question about copyright in rtems-libbsd: i ported some usb driver >> files from FreeBSD, i modified somewhere in these files to suit with >> rtems-libbsd. Should i add my copyright in these file? >> Besides, I also modified some files in the rtemsbsd folder,. Should i add my >> copyright in these file? >> >> Best Regards >> Sichen Zhao >> _______________________________________________ >> devel mailing list >> devel@rtems.org >> http://lists.rtems.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel