// Copyright © Tavian Barnes <tavianator@tavianator.com>
// SPDX-License-Identifier: 0BSD

/**
 * A facade over (file)system features that are (un)implemented differently
 * between platforms.
 */

#ifndef BFS_FSADE_H
#define BFS_FSADE_H

#include "config.h"

#define BFS_CAN_CHECK_ACL BFS_USE_SYS_ACL_H

#if !defined(BFS_CAN_CHECK_CAPABILITIES) && BFS_USE_SYS_CAPABILITY_H
#  include <sys/capability.h>
#  ifdef CAP_CHOWN
#    define BFS_CAN_CHECK_CAPABILITIES true
#  endif
#endif

#define BFS_CAN_CHECK_XATTRS (BFS_USE_SYS_EXTATTR_H || BFS_USE_SYS_XATTR_H)

struct BFTW;

/**
 * Check if a file has a non-trivial Access Control List.
 *
 * @param ftwbuf
 *         The file to check.
 * @return
 *         1 if it does, 0 if it doesn't, or -1 if an error occurred.
 */
int bfs_check_acl(const struct BFTW *ftwbuf);

/**
 * Check if a file has a non-trivial capability set.
 *
 * @param ftwbuf
 *         The file to check.
 * @return
 *         1 if it does, 0 if it doesn't, or -1 if an error occurred.
 */
int bfs_check_capabilities(const struct BFTW *ftwbuf);

/**
 * Check if a file has any extended attributes set.
 *
 * @param ftwbuf
 *         The file to check.
 * @return
 *         1 if it does, 0 if it doesn't, or -1 if an error occurred.
 */
int bfs_check_xattrs(const struct BFTW *ftwbuf);

/**
 * Check if a file has an extended attribute with the given name.
 *
 * @param ftwbuf
 *         The file to check.
 * @param name
 *         The name of the xattr to check.
 * @return
 *         1 if it does, 0 if it doesn't, or -1 if an error occurred.
 */
int bfs_check_xattr_named(const struct BFTW *ftwbuf, const char *name);

#endif // BFS_FSADE_H
