URL:
https://github.com/SSSD/sssd/pull/106
Title: #106: Add a new "files" provider
jhrozek commented:
"""
One suggestion came from simo about using FGETPWENT(3) instead of opening the NSS module
directly.
"""
See the full comment at
https://github.com/SSSD/sssd/pull/106#issuecomment-265761268