/*
  File: libacl.h

  (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 Lesser General Public License as published by
  the Free Software Foundation, either version 2.1 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __ACL_LIBACL_H
#define __ACL_LIBACL_H

#include <sys/acl.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Flags for acl_to_any_text() */

/* Print NO, SOME or ALL effective permissions comments. SOME prints
   effective rights comments for entries which have different permissions
   than effective permissions.  */
#define TEXT_SOME_EFFECTIVE		0x01
#define TEXT_ALL_EFFECTIVE		0x02

/* Align effective permission comments to column 32 using tabs or
   use a single tab. */
#define TEXT_SMART_INDENT		0x04

/* User and group IDs instead of names. */
#define TEXT_NUMERIC_IDS		0x08

/* Only output the first letter of entry types
   ("u::rwx" instead of "user::rwx"). */
#define TEXT_ABBREVIATE			0x10

/* acl_check error codes */

#define ACL_MULTI_ERROR		(0x1000)     /* multiple unique objects */
#define ACL_DUPLICATE_ERROR	(0x2000)     /* duplicate Id's in entries */
#define ACL_MISS_ERROR		(0x3000)     /* missing required entry */
#define ACL_ENTRY_ERROR		(0x4000)     /* wrong entry type */

extern char *acl_to_any_text(acl_t acl, const char *prefix,
			     char separator, int options);
extern int acl_cmp(acl_t acl1, acl_t acl2);
extern int acl_check(acl_t acl, int *last);
extern acl_t acl_from_mode(mode_t mode);
extern int acl_equiv_mode(acl_t acl, mode_t *mode_p);
int acl_extended_file(const char *path_p);
int acl_extended_file_nofollow(const char *path_p);
int acl_extended_fd(int fd);
extern int acl_entries(acl_t acl);
extern const char *acl_error(int code);
extern int acl_get_perm(acl_permset_t permset_d, acl_perm_t perm);

/* Copying permissions between files */
struct error_context;
extern int perm_copy_file (const char *, const char *,
			    struct error_context *);
extern int perm_copy_fd (const char *, int, const char *, int,
			  struct error_context *);

#ifdef __cplusplus
}
#endif

#endif  /* __ACL_LIBACL_H */