ceph/ceph — pull request #132 by noahdesu (2013-03-21 22:34:07+00:00)
Title: libcephfs: fix ceph_get_osd_crush_location

(a) Allow NULL buffer when length is zero to get the target buffer
length. (b) fix edge case where buffer length is the exact size
required.

Signed-off-by: Noah Watkins