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acl_cmp.c

/*
  File: acl_cmp.c

  Copyright (C) 1999, 2000
  Andreas Gruenbacher, <a.gruenbacher@computer.org>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#include "libacl.h"


int
acl_cmp(acl_t acl1, acl_t acl2)
{
      acl_obj *acl1_obj_p = ext2int(acl, acl1),
              *acl2_obj_p = ext2int(acl, acl2);
      acl_entry_obj *p1_obj_p, *p2_obj_p;
      if (!acl1_obj_p || !acl2_obj_p)
            return -1;
      if (acl1_obj_p->aused != acl2_obj_p->aused)
            return 1;
      p2_obj_p = acl2_obj_p->anext;
      FOREACH_ACL_ENTRY(p1_obj_p, acl1_obj_p) {
            if (p1_obj_p->etag != p2_obj_p->etag)
                  return 1;
            if (!permset_obj_equal(p1_obj_p->eperm,p2_obj_p->eperm))
                  return 1;
            switch(p1_obj_p->etag) {
                  case ACL_USER:
                  case ACL_GROUP:
                        if (qualifier_obj_id(p1_obj_p->eid) !=
                            qualifier_obj_id(p2_obj_p->eid))
                              return 1;
                        
            }
            p2_obj_p = p2_obj_p->enext;
      }
      return 0;
}


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