1.\"- 2.\" Copyright (c) 2008, 2009 Edward Tomasz Napierala 3.\" 4.\" This software was developed by Robert Watson for the TrustedBSD Project. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" $FreeBSD$ 28.\" 29.Dd June 19, 2023 30.Dt ACL_IS_TRIVIAL_NP 3 31.Os 32.Sh NAME 33.Nm acl_is_trivial_np 34.Nd determine whether ACL is trivial 35.Sh LIBRARY 36.Lb libc 37.Sh SYNOPSIS 38.In sys/types.h 39.In sys/acl.h 40.Ft int 41.Fn acl_is_trivial_np "const acl_t aclp" "int *trivialp" 42.Sh DESCRIPTION 43The 44.Fn acl_is_trivial_np 45function determines whether the ACL pointed to by the argument 46.Va acl 47is trivial. 48Upon successful completion, the location referred to by the argument 49.Fa trivialp 50will be set to 1, if the ACL 51.Fa aclp 52points to is trivial, or 0 if it's not. 53.Pp 54ACL is trivial if it can be fully expressed as a file mode without losing 55any access rules. 56For POSIX.1e ACLs, ACL is trivial if it has the three required entries, 57one for owner, one for owning group, and one for other. 58For NFSv4 ACLs, ACL is trivial if it is identical to the ACL generated by 59.Xr acl_strip_np 3 . 60Files that have non-trivial ACL have a plus sign appended after mode bits 61in "ls -l" output. 62.Sh RETURN VALUES 63.Rv -std acl_is_trivial_np 64.Sh SEE ALSO 65.Xr acl 3 , 66.Xr acl_strip_np 3 , 67.Xr posix1e 3 68.Sh STANDARDS 69POSIX.1e is described in IEEE POSIX.1e draft 17. 70Discussion 71of the draft continues on the cross-platform POSIX.1e implementation 72mailing list. 73To join this list, see the 74.Fx 75POSIX.1e implementation 76page for more information. 77.Sh HISTORY 78POSIX.1e support was introduced in 79.Fx 4.0 . 80The 81.Fn acl_is_trivial_np 82function was added in 83.Fx 8.0 . 84.Sh AUTHORS 85.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 86