freebsd-dev/lib/libc/posix1e/acl_copy.c

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/*
* Copyright (c) 2001-2002 Chris D. Faulhaber
* 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 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include "namespace.h"
#include <sys/acl.h>
#include "un-namespace.h"
#include <errno.h>
#include <string.h>
#include "acl_support.h"
/*
* acl_copy_entry() (23.4.4): copy the contents of ACL entry src_d to
* ACL entry dest_d
*/
int
acl_copy_entry(acl_entry_t dest_d, acl_entry_t src_d)
{
if (src_d == NULL || dest_d == NULL || src_d == dest_d) {
errno = EINVAL;
return (-1);
}
/*
* Can we brand the new entry the same as the source entry?
*/
if (!_entry_brand_may_be(dest_d, _entry_brand(src_d))) {
errno = EINVAL;
return (-1);
}
_entry_brand_as(dest_d, _entry_brand(src_d));
dest_d->ae_tag = src_d->ae_tag;
dest_d->ae_id = src_d->ae_id;
dest_d->ae_perm = src_d->ae_perm;
dest_d->ae_entry_type = src_d->ae_entry_type;
dest_d->ae_flags = src_d->ae_flags;
return (0);
}
ssize_t
acl_copy_ext(void *buf_p, acl_t acl, ssize_t size)
{
errno = ENOSYS;
return (-1);
}
acl_t
acl_copy_int(const void *buf_p)
{
errno = ENOSYS;
return (NULL);
}