xref: /csrg-svn/include/fts.h (revision 67677)
139802Sbostic /*
261068Sbostic  * Copyright (c) 1989, 1993
361068Sbostic  *	The Regents of the University of California.  All rights reserved.
439802Sbostic  *
542613Sbostic  * %sccs.include.redist.c%
639802Sbostic  *
7*67677Smckusick  *	@(#)fts.h	8.3 (Berkeley) 08/14/94
839802Sbostic  */
939802Sbostic 
1047767Sbostic #ifndef	_FTS_H_
1147767Sbostic #define	_FTS_H_
1247767Sbostic 
1345618Sbostic typedef struct {
1445618Sbostic 	struct _ftsent *fts_cur;	/* current node */
1545618Sbostic 	struct _ftsent *fts_child;	/* linked list of children */
1645618Sbostic 	struct _ftsent **fts_array;	/* sort array */
1752207Sbostic 	dev_t fts_dev;			/* starting device # */
1841941Sbostic 	char *fts_path;			/* path for this descent */
1947187Sbostic 	int fts_rfd;			/* fd for root */
2041941Sbostic 	int fts_pathlen;		/* sizeof(path) */
2141941Sbostic 	int fts_nitems;			/* elements in the sort array */
2241941Sbostic 	int (*fts_compar)();		/* compare function */
2347187Sbostic 
2452343Sbostic #define	FTS_COMFOLLOW	0x001		/* follow command line symlinks */
2552343Sbostic #define	FTS_LOGICAL	0x002		/* logical walk */
2652343Sbostic #define	FTS_NOCHDIR	0x004		/* don't change directories */
2752343Sbostic #define	FTS_NOSTAT	0x008		/* don't get stat info */
2852343Sbostic #define	FTS_PHYSICAL	0x010		/* physical walk */
2952343Sbostic #define	FTS_SEEDOT	0x020		/* return dot and dot-dot */
3052768Sbostic #define	FTS_XDEV	0x040		/* don't cross devices */
3167575Spendry #define	FTS_WHITEOUT	0x080		/* return whiteout information */
3267575Spendry #define	FTS_OPTIONMASK	0x0ff		/* valid user option mask */
3352768Sbostic 
3467575Spendry #define	FTS_NAMEONLY	0x100		/* (private) child names only */
3567575Spendry #define	FTS_STOP	0x200		/* (private) unrecoverable error */
3652768Sbostic 	int fts_options;		/* fts_open options, global flags */
3739802Sbostic } FTS;
3839802Sbostic 
3945618Sbostic typedef struct _ftsent {
4052074Sbostic 	struct _ftsent *fts_cycle;	/* cycle node */
4145618Sbostic 	struct _ftsent *fts_parent;	/* parent directory */
4252074Sbostic 	struct _ftsent *fts_link;	/* next file in directory */
4352843Selan 	long fts_number;	        /* local numeric value */
4452843Selan 	void *fts_pointer;	        /* local address value */
4545618Sbostic 	char *fts_accpath;		/* access path */
4645618Sbostic 	char *fts_path;			/* root path */
4752159Sbostic 	int fts_errno;			/* errno for this node */
4852291Sbostic 	int fts_symfd;			/* fd for symlink */
4952207Sbostic 	u_short fts_pathlen;		/* strlen(fts_path) */
5052207Sbostic 	u_short fts_namelen;		/* strlen(fts_name) */
5147210Sbostic 
5252207Sbostic 	ino_t fts_ino;			/* inode */
5352207Sbostic 	dev_t fts_dev;			/* device */
5452207Sbostic 	nlink_t fts_nlink;		/* link count */
5552207Sbostic 
5647210Sbostic #define	FTS_ROOTPARENTLEVEL	-1
5747210Sbostic #define	FTS_ROOTLEVEL		 0
5841941Sbostic 	short fts_level;		/* depth (-1 to N) */
5947187Sbostic 
6039802Sbostic #define	FTS_D		 1		/* preorder directory */
6139802Sbostic #define	FTS_DC		 2		/* directory that causes cycles */
6247187Sbostic #define	FTS_DEFAULT	 3		/* none of the above */
6347187Sbostic #define	FTS_DNR		 4		/* unreadable directory */
6452207Sbostic #define	FTS_DOT		 5		/* dot or dot-dot */
6552207Sbostic #define	FTS_DP		 6		/* postorder directory */
6652207Sbostic #define	FTS_ERR		 7		/* error; errno is set */
6752207Sbostic #define	FTS_F		 8		/* regular file */
6852207Sbostic #define	FTS_INIT	 9		/* initialized only */
6952207Sbostic #define	FTS_NS		10		/* stat(2) failed */
7052207Sbostic #define	FTS_NSOK	11		/* no stat(2) requested */
7152207Sbostic #define	FTS_SL		12		/* symbolic link */
7252207Sbostic #define	FTS_SLNONE	13		/* symbolic link without target */
7367575Spendry #define	FTS_W		14		/* whiteout object */
7447187Sbostic 	u_short fts_info;		/* user flags for FTSENT structure */
7547187Sbostic 
7652291Sbostic #define	FTS_DONTCHDIR	 0x01		/* don't chdir .. to the parent */
7753378Sbostic #define	FTS_SYMFOLLOW	 0x02		/* followed a symlink to get here */
7867575Spendry #define	FTS_ISW		 0x04		/* this is a whiteout object */
7952291Sbostic 	u_short fts_flags;		/* private flags for FTSENT structure */
8052291Sbostic 
8147187Sbostic #define	FTS_AGAIN	 1		/* read node again */
8247187Sbostic #define	FTS_FOLLOW	 2		/* follow symbolic link */
8347187Sbostic #define	FTS_NOINSTR	 3		/* no instructions */
8447187Sbostic #define	FTS_SKIP	 4		/* discard node */
8547187Sbostic 	u_short fts_instr;		/* fts_set() instructions */
8647187Sbostic 
8752207Sbostic 	struct stat *fts_statp;		/* stat(2) information */
8841941Sbostic 	char fts_name[1];		/* file name */
8939802Sbostic } FTSENT;
9039802Sbostic 
9146358Sbostic #include <sys/cdefs.h>
9246358Sbostic 
9346358Sbostic __BEGIN_DECLS
9452768Sbostic FTSENT	*fts_children __P((FTS *, int));
9546358Sbostic int	 fts_close __P((FTS *));
9651822Sbostic FTS	*fts_open __P((char * const *, int,
9751822Sbostic 	    int (*)(const FTSENT **, const FTSENT **)));
9846358Sbostic FTSENT	*fts_read __P((FTS *));
9946358Sbostic int	 fts_set __P((FTS *, FTSENT *, int));
10046358Sbostic __END_DECLS
10147767Sbostic 
10247767Sbostic #endif /* !_FTS_H_ */
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