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/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)fts.h 8.3 (Berkeley) 8/14/94
*/
#ifndef _FTS_H
#define _FTS_H 1
#if defined(__GLIBC__)
#include <features.h>
#else
# define __THROW
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS
# define __END_DECLS
#endif
#if defined(hpux)
# define _D_EXACT_NAMLEN(d) ((d)->d_namlen)
# define _INCLUDE_POSIX_SOURCE
# define _LARGEFILE64_SOURCE
#endif
#if defined(sun)
# define _D_EXACT_NAMLEN(d) ((d)->d_reclen)
#endif
#if defined(__APPLE__)
# define _D_EXACT_NAMLEN(d) (strlen((d)->d_name))
#endif
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
typedef struct {
struct _ftsent *fts_cur; /*!< current node */
struct _ftsent *fts_child; /*!< linked list of children */
struct _ftsent **fts_array; /*!< sort array */
dev_t fts_dev; /*!< starting device # */
char *fts_path; /*!< path for this descent */
int fts_rfd; /*!< fd for root */
int fts_pathlen; /*!< sizeof(path) */
int fts_nitems; /*!< elements in the sort array */
int (*fts_compar) (const void *, const void *); /*!< compare fn */
DIR * (*fts_opendir) (const char * path);
struct dirent * (*fts_readdir) (DIR * dir);
int (*fts_closedir) (DIR * dir);
int (*fts_stat) (const char * path, struct stat * st);
int (*fts_lstat) (const char * path, struct stat * st);
#define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */
#define FTS_LOGICAL 0x0002 /* logical walk */
#define FTS_NOCHDIR 0x0004 /* don't change directories */
#define FTS_NOSTAT 0x0008 /* don't get stat info */
#define FTS_PHYSICAL 0x0010 /* physical walk */
#define FTS_SEEDOT 0x0020 /* return dot and dot-dot */
#define FTS_XDEV 0x0040 /* don't cross devices */
#define FTS_WHITEOUT 0x0080 /* return whiteout information */
#define FTS_OPTIONMASK 0x00ff /* valid user option mask */
#define FTS_NAMEONLY 0x0100 /* (private) child names only */
#define FTS_STOP 0x0200 /* (private) unrecoverable error */
int fts_options; /*!< fts_open options, global flags */
} FTS;
typedef struct _ftsent {
struct _ftsent *fts_cycle; /*!< cycle node */
struct _ftsent *fts_parent; /*!< parent directory */
struct _ftsent *fts_link; /*!< next file in directory */
long fts_number; /*!< local numeric value */
void *fts_pointer; /*!< local address value */
char *fts_accpath; /*!< access path */
char *fts_path; /*!< root path */
int fts_errno; /*!< errno for this node */
int fts_symfd; /*!< fd for symlink */
uint16_t fts_pathlen; /*!< strlen(fts_path) */
uint16_t fts_namelen; /*!< strlen(fts_name) */
ino_t fts_ino; /*!< inode */
dev_t fts_dev; /*!< device */
nlink_t fts_nlink; /*!< link count */
#define FTS_ROOTPARENTLEVEL -1
#define FTS_ROOTLEVEL 0
short fts_level; /*!< depth (-1 to N) */
#define FTS_D 1 /* preorder directory */
#define FTS_DC 2 /* directory that causes cycles */
#define FTS_DEFAULT 3 /* none of the above */
#define FTS_DNR 4 /* unreadable directory */
#define FTS_DOT 5 /* dot or dot-dot */
#define FTS_DP 6 /* postorder directory */
#define FTS_ERR 7 /* error; errno is set */
#define FTS_F 8 /* regular file */
#define FTS_INIT 9 /* initialized only */
#define FTS_NS 10 /* stat(2) failed */
#define FTS_NSOK 11 /* no stat(2) requested */
#define FTS_SL 12 /* symbolic link */
#define FTS_SLNONE 13 /* symbolic link without target */
#define FTS_W 14 /* whiteout object */
uint16_t fts_info; /*!< user flags for FTSENT structure */
#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
uint16_t fts_flags; /*!< private flags for FTSENT structure */
#define FTS_AGAIN 1 /* read node again */
#define FTS_FOLLOW 2 /* follow symbolic link */
#define FTS_NOINSTR 3 /* no instructions */
#define FTS_SKIP 4 /* discard node */
uint16_t fts_instr; /*!< fts_set() instructions */
struct stat *fts_statp; /*!< stat(2) information */
char fts_name[1]; /*!< file name */
} FTSENT;
__BEGIN_DECLS
/**
* Return list of children of the current node.
* @param sp file hierarchy state
* @param instr
* @return file set member
*/
FTSENT *Fts_children (FTS * sp, int instr) __THROW
;
/**
* Destroy a file hierarchy traversal handle.
* @param sp file hierarchy state
* @return 0 on sucess, -1 on error
*/
int Fts_close (FTS * sp) __THROW
;
/**
* Create a handle for file hierarchy traversal.
* @param argv paths that compose a logical file hierarchy
* @param options traversal options
* @param compar traversal ordering (or NULL)
* @return file hierarchy state (or NULL on error)
*/
FTS *Fts_open (char * const * argv, int options,
int (*compar) (const FTSENT **, const FTSENT **)) __THROW
;
/**
* Return next node in the file hierarchy traversal.
* @param sp file hierarchy state
* @return file set member
*/
FTSENT *Fts_read (FTS * sp) __THROW
;
/**
* Modify the traversal for a file set member.
* @param sp file hierarchy state
* @param p file set member
* @param instr new disposition for file set member
* @return 0 on sucess, -1 on error
*/
int Fts_set (FTS * sp, FTSENT * p, int instr) __THROW
;
__END_DECLS
#endif /* fts.h */
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