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