K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2020-09-22T22:48:12.167253Z
K 7
svn:log
V 442
Add O_RESOLVE_BENEATH and AT_RESOLVE_BENEATH to mimic Linux' RESOLVE_BENEATH.

It is like O_BENEATH, but disables to walk out of the subtree rooted
in the starting directory. O_BENEATH does not care if path walks out
if it returned.

Requested by:	Dan Gohman <dev@sunfishcode.online>
PR:	248335
Reviewed by:	markj
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D25886

END