gpg,sm: Add STATUS_ERROR keydb_search and keydb_add-resource.
* g10/keydb.c (keydb_add_resource): Make ANY_REGISTERED file-global. Write a STATUS_ERROR. (maybe_create_keyring_or_box): Check for non-accessible but existant file. (keydb_search): Write a STATUS_ERROR if no keyring has been registered but continue to return NOT_FOUND. * sm/keydb.c (keydb_add_resource): Rename ANY_PUBLIC to ANY_REGISTERED and make file-global. Write a STATUS_ERROR. (keydb_search): Write a STATUS_ERROR if no keyring has been registered but continue to return NOT_FOUND. Also add new arg CTRL and change all callers to pass it down.
- Signed-off-by: Werner Koch <wk@gnupg.org>