1.\" $NetBSD: acl_get_brand_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.\" 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: head/lib/libc/posix1e/acl_get_brand_np.3 267774 2014-06-23 08:25:03Z bapt $ 28.\" 29.Dd June 25, 2009 30.Dt ACL_GET_BRAND_NP 3 31.Os 32.Sh NAME 33.Nm acl_get_brand_np 34.Nd retrieve the ACL brand from an ACL entry 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_get_brand_np "acl_t acl" "int *brand_p" 42.Sh DESCRIPTION 43The 44.Fn acl_get_brand_np 45function 46is a non-portable call that returns the ACL brand for the ACL 47.Fa acl . 48Upon successful completion, the location referred to by the argument 49.Fa brand_p 50will be set to the ACL brand of the ACL 51.Fa acl . 52.Pp 53Branding is an internal mechanism intended to prevent mixing POSIX.1e 54and NFSv4 entries by mistake. 55It's also used by the libc to determine how to print out the ACL. 56The first call to function that is specific for one particular brand - POSIX.1e 57or NFSv4 - "brands" the ACL. 58After that, calling function specific to another brand will result in error. 59.Sh RETURN VALUES 60.Rv -std acl_get_brand_np 61.Sh ERRORS 62The 63.Fn acl_get_brand_np 64function fails if: 65.Bl -tag -width Er 66.It Bq Er EINVAL 67Argument 68.Fa acl 69does not point to a valid ACL. 70.El 71.Sh SEE ALSO 72.Xr acl 3 , 73.Xr posix1e 3 74.Sh STANDARDS 75POSIX.1e is described in IEEE POSIX.1e draft 17. 76.Sh HISTORY 77POSIX.1e support was introduced in 78.Fx 4.0 . 79The 80.Fn acl_get_brand_np 81function was added in 82.Fx 8.0 . 83.Sh AUTHORS 84The 85.Fn acl_get_brand_np 86function was written by 87.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org . 88