xref: /freebsd/contrib/mandoc/compat_fts.h (revision 81ad6265)
1 /*	$OpenBSD: fts.h,v 1.14 2012/12/05 23:19:57 deraadt Exp $	*/
2 /*	$NetBSD: fts.h,v 1.7 2012/03/01 16:18:51 hans Exp $	*/
3 
4 /*
5  * Copyright (c) 1989, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)fts.h	8.3 (Berkeley) 8/14/94
33  */
34 
35 #ifndef	_FTS_H_
36 #define	_FTS_H_
37 
38 typedef struct {
39 	struct _ftsent *fts_cur;	/* current node */
40 	struct _ftsent *fts_child;	/* linked list of children */
41 	struct _ftsent **fts_array;	/* sort array */
42 	dev_t fts_dev;			/* starting device # */
43 	char *fts_path;			/* path for this descent */
44 	size_t fts_pathlen;		/* sizeof(path) */
45 	int fts_nitems;			/* elements in the sort array */
46 	int (*fts_compar)(const struct _ftsent **, const struct _ftsent **);
47 					/* compare function */
48 
49 #define	FTS_NOCHDIR	0x0004		/* don't change directories */
50 #define	FTS_PHYSICAL	0x0010		/* physical walk */
51 #define	FTS_XDEV	0x0040		/* don't cross devices */
52 #define	FTS_OPTIONMASK	0x0054		/* valid user option mask */
53 
54 #define	FTS_STOP	0x2000		/* (private) unrecoverable error */
55 	int fts_options;		/* fts_open options, global flags */
56 } FTS;
57 
58 typedef struct _ftsent {
59 	struct _ftsent *fts_cycle;	/* cycle node */
60 	struct _ftsent *fts_parent;	/* parent directory */
61 	struct _ftsent *fts_link;	/* next file in directory */
62 	char *fts_accpath;		/* access path */
63 	char *fts_path;			/* root path */
64 	int fts_errno;			/* errno for this node */
65 	size_t fts_pathlen;		/* strlen(fts_path) */
66 	size_t fts_namelen;		/* strlen(fts_name) */
67 
68 	ino_t fts_ino;			/* inode */
69 	dev_t fts_dev;			/* device */
70 	nlink_t fts_nlink;		/* link count */
71 
72 #define	FTS_ROOTPARENTLEVEL	-1
73 #define	FTS_ROOTLEVEL		 0
74 #define	FTS_MAXLEVEL		 0x7fffffff
75 	int fts_level;		/* depth (-1 to N) */
76 
77 #define	FTS_D		 1		/* preorder directory */
78 #define	FTS_DC		 2		/* directory that causes cycles */
79 #define	FTS_DEFAULT	 3		/* none of the above */
80 #define	FTS_DNR		 4		/* unreadable directory */
81 #define	FTS_DOT		 5		/* dot or dot-dot */
82 #define	FTS_DP		 6		/* postorder directory */
83 #define	FTS_ERR		 7		/* error; errno is set */
84 #define	FTS_F		 8		/* regular file */
85 #define	FTS_INIT	 9		/* initialized only */
86 #define	FTS_NS		10		/* stat(2) failed */
87 #define	FTS_NSOK	11		/* no stat(2) requested */
88 #define	FTS_SL		12		/* symbolic link */
89 	unsigned short fts_info;	/* user flags for FTSENT structure */
90 
91 #define	FTS_NOINSTR	 3		/* no instructions */
92 #define	FTS_SKIP	 4		/* discard node */
93 	unsigned short fts_instr;	/* fts_set() instructions */
94 
95 	struct stat *fts_statp;		/* stat(2) information */
96 	char fts_name[1];		/* file name */
97 } FTSENT;
98 
99 
100 int	 fts_close(FTS *);
101 FTS	*fts_open(char * const *, int,
102 	    int (*)(const FTSENT **, const FTSENT **));
103 FTSENT	*fts_read(FTS *);
104 int	 fts_set(FTS *, FTSENT *, int);
105 
106 #endif /* !_FTS_H_ */
107