1.\" $NetBSD: acl_is_trivial_np.3,v 1.2 2020/06/18 19:46:34 wiz Exp $ 2.\"- 3.\" Copyright (c) 2008, 2009 Edward Tomasz Napierala 4.\" All rights reserved. 5.\" 6.\" This software was developed by Robert Watson for the TrustedBSD Project. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" 29.\" $FreeBSD: head/lib/libc/posix1e/acl_is_trivial_np.3 267774 2014-06-23 08:25:03Z bapt $ 30.\" 31.Dd November 12, 2013 32.Dt ACL_STRIP_NP 3 33.Os 34.Sh NAME 35.Nm acl_is_trivial_np 36.Nd determine whether ACL is trivial 37.Sh LIBRARY 38.Lb libc 39.Sh SYNOPSIS 40.In sys/types.h 41.In sys/acl.h 42.Ft int 43.Fn acl_is_trivial_np "const acl_t aclp" "int *trivialp" 44.Sh DESCRIPTION 45The 46.Fn acl_is_trivial 47function determines whether the ACL pointed to by the argument 48.Va acl 49is trivial. 50Upon successful completion, the location referred to by the argument 51.Fa trivialp 52will be set to 1, if the ACL 53.Fa aclp 54points to is trivial, or 0 if it's not. 55.Pp 56ACL is trivial if it can be fully expressed as a file mode without losing 57any access rules. 58For POSIX.1e ACLs, ACL is trivial if it has the three required entries, 59one for owner, one for owning group, and one for other. 60For NFSv4 ACLs, ACL is trivial if it is identical to the ACL generated by 61.Fn acl_strip_np 3 . 62Files that have non-trivial ACL have a plus sign appended after mode bits 63in "ls -l" output. 64.Sh RETURN VALUES 65.Rv -std acl_get_tag_type 66.Sh SEE ALSO 67.Xr acl 3 , 68.Xr posix1e 3 69.Sh STANDARDS 70POSIX.1e is described in IEEE POSIX.1e draft 17. 71Discussion 72of the draft continues on the cross-platform POSIX.1e implementation 73mailing list. 74To join this list, see the 75.Fx 76POSIX.1e implementation 77page for more information. 78.Sh HISTORY 79POSIX.1e support was introduced in 80.Fx 4.0 . 81The 82.Fn acl_is_trivial_np 83function was added in 84.Fx 8.0 . 85.Sh AUTHORS 86.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 87