2 * Copyright (c) 2001-2002 Chris D. Faulhaber
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
31 #include "namespace.h"
33 #include "un-namespace.h"
38 * acl_delete_entry() (23.4.9): remove the ACL entry indicated by entry_d
42 acl_delete_entry(acl_t acl, acl_entry_t entry_d)
47 if (acl == NULL || entry_d == NULL) {
52 acl_int = &acl->ats_acl;
54 if ((acl->ats_acl.acl_cnt < 1) ||
55 (acl->ats_acl.acl_cnt > ACL_MAX_ENTRIES)) {
59 for (i = 0; i < acl->ats_acl.acl_cnt; i++) {
60 /* if this is our entry... */
61 if ((acl->ats_acl.acl_entry[i].ae_tag == entry_d->ae_tag) &&
62 (acl->ats_acl.acl_entry[i].ae_id == entry_d->ae_id)) {
63 /* ...shift the remaining entries... */
64 for (; i < acl->ats_acl.acl_cnt - 1; ++i)
65 acl->ats_acl.acl_entry[i] =
66 acl->ats_acl.acl_entry[i+1];
67 /* ...drop the count and zero the unused entry... */
68 acl->ats_acl.acl_cnt--;
69 bzero(&acl->ats_acl.acl_entry[i],
70 sizeof(struct acl_entry));
71 acl->ats_cur_entry = 0;