1.\" $NetBSD: acl_get_perm_np.3,v 1.2 2020/06/18 19:46:34 wiz Exp $ 2.\"- 3.\" Copyright (c) 2001 Chris D. Faulhaber 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 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_perm_np.3 267774 2014-06-23 08:25:03Z bapt $ 28.\" 29.Dd April 10, 2001 30.Dt ACL_GET_PERM_NP 3 31.Os 32.Sh NAME 33.Nm acl_get_perm_np 34.Nd "check if a permission is set in a permission set" 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_perm_np "acl_permset_t permset_d" "acl_perm_t perm" 42.Sh DESCRIPTION 43The 44.Fn acl_get_perm_np 45function 46is a non-portable function that checks if a permission is set in 47a permission set. 48.Sh RETURN VALUES 49If the permission in 50.Fa perm 51is set in the permission set 52.Fa permset_d , 53a value of 541 55is returned, otherwise a value of 560 57is returned. 58.Sh ERRORS 59If any of the following conditions occur, the 60.Fn acl_get_perm_np 61function will return a value of 62\-1 63and set global variable 64.Va errno 65to the corresponding value: 66.Bl -tag -width Er 67.It Bq Er EINVAL 68Argument 69.Fa perm 70does not contain a valid ACL permission or argument 71.Fa permset_d 72is not a valid ACL permset. 73.El 74.Sh SEE ALSO 75.Xr acl 3 , 76.Xr acl_add_perm 3 , 77.Xr acl_clear_perms 3 , 78.Xr acl_delete_perm 3 , 79.Xr acl_get_permset 3 , 80.Xr acl_set_permset 3 , 81.Xr posix1e 3 82.Sh STANDARDS 83POSIX.1e is described in IEEE POSIX.1e draft 17. 84.Sh HISTORY 85POSIX.1e support was introduced in 86.Fx 4.0 . 87The 88.Fn acl_get_perm_np 89function was added in 90.Fx 5.0 . 91.Sh AUTHORS 92The 93.Fn acl_get_perm_np 94function was written by 95.An Chris D. Faulhaber Aq Mt jedgar@fxp.org . 96