1.\"- 2.\" Copyright (c) 2021 Gleb Popov 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.Dd January 20, 2021 27.Dt ACL_CMP_NP 3 28.Os 29.Sh NAME 30.Nm acl_cmp 31.Nd compare between two ACLs 32.Sh LIBRARY 33.Lb libc 34.Sh SYNOPSIS 35.In sys/types.h 36.In sys/acl.h 37.Ft int 38.Fn acl_cmp_np "acl_t acl1" "acl_t acl2" 39.Sh DESCRIPTION 40The 41.Fn acl_cmp_np 42function is a non-portable call that checks if ACLs pointed to by 43.Va acl1 44and 45.Va acl2 46are equivalent. 47The two ACLs are considered equal when they contain the same 48entries with matching tag types, qualifiers and permissions. 49.Sh RETURN VALUES 50Upon successful completion, this function returns 0 if the given ACLs are 51equivalent and 1 if they differ. 52Otherwise, the value -1 is returned, and 53.Va errno 54indicates the error. 55.Sh ERRORS 56If any of the following conditions occur, the 57.Fn acl_cmp_np 58function shall return a value of 59.Va -1 60and set 61.Va errno 62to the corresponding value: 63.Bl -tag -width Er 64.It Bq Er EINVAL 65Either first or second argument does not point to a valid ACL. 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 , 81and development continues. 82.Sh AUTHORS 83.An Gleb Popov 84