2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
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33 * @(#)fts.h 8.3 (Berkeley) 8/14/94
41 struct _ftsent *fts_cur; /* current node */
42 struct _ftsent *fts_child; /* linked list of children */
43 struct _ftsent **fts_array; /* sort array */
44 dev_t fts_dev; /* starting device # */
45 char *fts_path; /* path for this descent */
46 int fts_rfd; /* fd for root */
47 int fts_pathlen; /* sizeof(path) */
48 int fts_nitems; /* elements in the sort array */
49 int (*fts_compar) /* compare function */
50 (const struct _ftsent **, const struct _ftsent **);
52 #define FTS_COMFOLLOW 0x001 /* follow command line symlinks */
53 #define FTS_LOGICAL 0x002 /* logical walk */
54 #define FTS_NOCHDIR 0x004 /* don't change directories */
55 #define FTS_NOSTAT 0x008 /* don't get stat info */
56 #define FTS_PHYSICAL 0x010 /* physical walk */
57 #define FTS_SEEDOT 0x020 /* return dot and dot-dot */
58 #define FTS_XDEV 0x040 /* don't cross devices */
59 #define FTS_WHITEOUT 0x080 /* return whiteout information */
60 #define FTS_OPTIONMASK 0x0ff /* valid user option mask */
62 #define FTS_NAMEONLY 0x100 /* (private) child names only */
63 #define FTS_STOP 0x200 /* (private) unrecoverable error */
64 int fts_options; /* fts_open options, global flags */
67 typedef struct _ftsent {
68 struct _ftsent *fts_cycle; /* cycle node */
69 struct _ftsent *fts_parent; /* parent directory */
70 struct _ftsent *fts_link; /* next file in directory */
71 long fts_number; /* local numeric value */
72 void *fts_pointer; /* local address value */
73 char *fts_accpath; /* access path */
74 char *fts_path; /* root path */
75 int fts_errno; /* errno for this node */
76 int fts_symfd; /* fd for symlink */
77 u_short fts_pathlen; /* strlen(fts_path) */
78 u_short fts_namelen; /* strlen(fts_name) */
80 ino_t fts_ino; /* inode */
81 dev_t fts_dev; /* device */
82 nlink_t fts_nlink; /* link count */
84 #define FTS_ROOTPARENTLEVEL -1
85 #define FTS_ROOTLEVEL 0
86 short fts_level; /* depth (-1 to N) */
88 #define FTS_D 1 /* preorder directory */
89 #define FTS_DC 2 /* directory that causes cycles */
90 #define FTS_DEFAULT 3 /* none of the above */
91 #define FTS_DNR 4 /* unreadable directory */
92 #define FTS_DOT 5 /* dot or dot-dot */
93 #define FTS_DP 6 /* postorder directory */
94 #define FTS_ERR 7 /* error; errno is set */
95 #define FTS_F 8 /* regular file */
96 #define FTS_INIT 9 /* initialized only */
97 #define FTS_NS 10 /* stat(2) failed */
98 #define FTS_NSOK 11 /* no stat(2) requested */
99 #define FTS_SL 12 /* symbolic link */
100 #define FTS_SLNONE 13 /* symbolic link without target */
101 #define FTS_W 14 /* whiteout object */
102 u_short fts_info; /* user flags for FTSENT structure */
104 #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
105 #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
106 #define FTS_ISW 0x04 /* this is a whiteout object */
107 u_short fts_flags; /* private flags for FTSENT structure */
109 #define FTS_AGAIN 1 /* read node again */
110 #define FTS_FOLLOW 2 /* follow symbolic link */
111 #define FTS_NOINSTR 3 /* no instructions */
112 #define FTS_SKIP 4 /* discard node */
113 u_short fts_instr; /* fts_set() instructions */
115 struct stat *fts_statp; /* stat(2) information */
116 char fts_name[1]; /* file name */
119 #include <sys/cdefs.h>
122 FTSENT *fts_children(FTS *, int);
123 int fts_close(FTS *);
124 FTS *fts_open(char * const *, int,
125 int (*)(const FTSENT **, const FTSENT **));
126 FTSENT *fts_read(FTS *);
127 int fts_set(FTS *, FTSENT *, int);
130 #endif /* !_FTS_H_ */