freebsd-dev/lib/libc/posix1e/acl_cmp_np.c
Gleb Popov 937f807a36 libc/posix1e: Add acl_cmp_np() function.
Reviewed by: kib, debdrup, gbe
Approved by: kib
Differential Revision: https://reviews.freebsd.org/D28255
2021-08-27 11:52:08 +03:00

56 lines
1.8 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2021 Gleb Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* acl_cmp_np: Compare two ACL's.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/acl.h>
#include <sys/errno.h>
#include "acl_support.h"
/*
* returns 0 if acl_t's are identical, 1 otherwise
*/
int
acl_cmp_np(acl_t acl1, acl_t acl2)
{
if (acl1 == NULL || acl2 == NULL) {
errno = EINVAL;
return (-1);
}
if (_acl_brand(acl1) != _acl_brand(acl2))
return (1);
return (_acl_differs(acl1, acl2));
}