1 /*- 2 * Copyright (c) 1999, 2000, 2001 Robert N. M. Watson 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 * $FreeBSD$ 27 */ 28 /* 29 * acl_init -- return a fresh acl structure 30 * acl_dup -- duplicate an acl and return the new copy 31 */ 32 33 #include <sys/types.h> 34 #include "namespace.h" 35 #include <sys/acl.h> 36 #include "un-namespace.h" 37 #include <errno.h> 38 #include <stdlib.h> 39 #include <string.h> 40 41 acl_t 42 acl_init(int count) 43 { 44 acl_t acl; 45 46 if (count > ACL_MAX_ENTRIES) { 47 errno = ENOMEM; 48 return (NULL); 49 } 50 if (count < 0) { 51 errno = EINVAL; 52 return (NULL); 53 } 54 55 acl = malloc(sizeof(struct acl_t_struct)); 56 if (acl != NULL) 57 bzero(acl, sizeof(struct acl_t_struct)); 58 59 return (acl); 60 } 61 62 acl_t 63 acl_dup(acl_t acl) 64 { 65 acl_t acl_new; 66 67 acl_new = acl_init(ACL_MAX_ENTRIES); 68 if (acl_new != NULL) { 69 *acl_new = *acl; 70 acl->ats_cur_entry = 0; 71 acl_new->ats_cur_entry = 0; 72 } 73 74 return (acl_new); 75 } 76