Try 3:
������ - Avoid allocating memory. (Based on Alexandre's comment, thanks.)
������ - Use k != root_key instead of k->namelen != 0.
������ - Add insufficient buffer test.

---
������dlls/ntdll/tests/reg.c | 19 ++++++++++++++-----
������server/registry.c������ ������ ������ | 25 ++++++++++++++++++++++++-
������2 files changed, 38 insertions(+), 6 deletions(-)