lib/libposix1e/acl_init.c

   1 /*-
   2  * Copyright (c) 1999 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: src/lib/libposix1e/acl_init.c,v 1.3 2000/01/26 04:19:37 rwatson Exp $
  27  *$DragonFly: src/lib/libposix1e/acl_init.c,v 1.3 2005/08/04 17:27:09 drhodus Exp $
  28  */
  29 /*
  30  * acl_init -- return a fresh acl structure
  31  * acl_dup -- duplicate an acl and return the new copy
  32  */
  33
  34 #include <sys/types.h>
  35 #include <sys/acl.h>
  36 #include <errno.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 acl_t
  41 acl_init(int count)
  42 {
  43         struct acl      *acl;
  44
  45         if (count > ACL_MAX_ENTRIES) {
  46                 errno = ENOMEM;
  47                 return (0);
  48         }
  49
  50         acl = (struct acl *) malloc(sizeof(struct acl));
  51         bzero(acl, sizeof(struct acl));
  52
  53         return (acl);
  54 }
  55
  56 acl_t
  57 acl_dup(acl_t acl)
  58 {
  59         struct acl      *acl_new;
  60
  61         acl_new = acl_init(ACL_MAX_ENTRIES);
  62         if (!acl_new)
  63                 return(NULL);
  64
  65         *acl_new = *acl;
  66
  67         return(acl_new);
  68 }