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/****************************************************************************
* bfs *
* Copyright (C) 2019-2020 Tavian Barnes <tavianator@tavianator.com> *
* *
* Permission to use, copy, modify, and/or distribute this software for any *
* purpose with or without fee is hereby granted. *
* *
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR *
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES *
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN *
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. *
****************************************************************************/
/**
* A facade over (file)system features that are (un)implemented differently
* between platforms.
*/
#ifndef BFS_FSADE_H
#define BFS_FSADE_H
#include "util.h"
#include <stdbool.h>
#define BFS_CAN_CHECK_ACL BFS_HAS_SYS_ACL
#if !defined(BFS_CAN_CHECK_CAPABILITIES) && BFS_HAS_SYS_CAPABILITY && !__FreeBSD__
# include <sys/capability.h>
# ifdef CAP_CHOWN
# define BFS_CAN_CHECK_CAPABILITIES true
# endif
#endif
#define BFS_CAN_CHECK_XATTRS (BFS_HAS_SYS_EXTATTR || BFS_HAS_SYS_XATTR)
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
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