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-rw-r--r--libbb/change_identity.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libbb/change_identity.c b/libbb/change_identity.c
index f19aa8a..da840bf 100644
--- a/libbb/change_identity.c
+++ b/libbb/change_identity.c
@@ -35,7 +35,7 @@ void change_identity(const struct passwd *pw)
{
if (initgroups(pw->pw_name, pw->pw_gid) == -1)
bb_perror_msg_and_die("can't set groups");
- endgrent(); /* ?? */
+ endgrent(); /* helps to close a fd used internally by libc */
xsetgid(pw->pw_gid);
xsetuid(pw->pw_uid);
}