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29 * @(#)fts.h 8.3 (Berkeley) 8/14/94
36 #include <sys/types.h>
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 int fts_rfd; /* fd for root */
45 int fts_pathlen; /* sizeof(path) */
46 int fts_nitems; /* elements in the sort array */
47 int (*fts_compar) __PMT((const void *, const void *)); /* compare fn */
49 #define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */
50 #define FTS_LOGICAL 0x0002 /* logical walk */
51 #define FTS_NOCHDIR 0x0004 /* don't change directories */
52 #define FTS_NOSTAT 0x0008 /* don't get stat info */
53 #define FTS_PHYSICAL 0x0010 /* physical walk */
54 #define FTS_SEEDOT 0x0020 /* return dot and dot-dot */
55 #define FTS_XDEV 0x0040 /* don't cross devices */
56 #define FTS_WHITEOUT 0x0080 /* return whiteout information */
57 #define FTS_OPTIONMASK 0x00ff /* valid user option mask */
59 #define FTS_NAMEONLY 0x0100 /* (private) child names only */
60 #define FTS_STOP 0x0200 /* (private) unrecoverable error */
61 int fts_options; /* fts_open options, global flags */
64 typedef struct _ftsent {
65 struct _ftsent *fts_cycle; /* cycle node */
66 struct _ftsent *fts_parent; /* parent directory */
67 struct _ftsent *fts_link; /* next file in directory */
68 long fts_number; /* local numeric value */
69 void *fts_pointer; /* local address value */
70 char *fts_accpath; /* access path */
71 char *fts_path; /* root path */
72 int fts_errno; /* errno for this node */
73 int fts_symfd; /* fd for symlink */
74 u_short fts_pathlen; /* strlen(fts_path) */
75 u_short fts_namelen; /* strlen(fts_name) */
77 ino_t fts_ino; /* inode */
78 dev_t fts_dev; /* device */
79 nlink_t fts_nlink; /* link count */
81 #define FTS_ROOTPARENTLEVEL -1
82 #define FTS_ROOTLEVEL 0
83 short fts_level; /* depth (-1 to N) */
85 #define FTS_D 1 /* preorder directory */
86 #define FTS_DC 2 /* directory that causes cycles */
87 #define FTS_DEFAULT 3 /* none of the above */
88 #define FTS_DNR 4 /* unreadable directory */
89 #define FTS_DOT 5 /* dot or dot-dot */
90 #define FTS_DP 6 /* postorder directory */
91 #define FTS_ERR 7 /* error; errno is set */
92 #define FTS_F 8 /* regular file */
93 #define FTS_INIT 9 /* initialized only */
94 #define FTS_NS 10 /* stat(2) failed */
95 #define FTS_NSOK 11 /* no stat(2) requested */
96 #define FTS_SL 12 /* symbolic link */
97 #define FTS_SLNONE 13 /* symbolic link without target */
98 #define FTS_W 14 /* whiteout object */
99 u_short fts_info; /* user flags for FTSENT structure */
101 #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
102 #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
103 u_short fts_flags; /* private flags for FTSENT structure */
105 #define FTS_AGAIN 1 /* read node again */
106 #define FTS_FOLLOW 2 /* follow symbolic link */
107 #define FTS_NOINSTR 3 /* no instructions */
108 #define FTS_SKIP 4 /* discard node */
109 u_short fts_instr; /* fts_set() instructions */
111 struct stat *fts_statp; /* stat(2) information */
112 char fts_name[1]; /* file name */
116 FTSENT *fts_children __P((FTS *, int));
117 int fts_close __P((FTS *));
118 FTS *fts_open __P((char * const *, int,
119 int (*)(const FTSENT **, const FTSENT **)));
120 FTSENT *fts_read __P((FTS *));
121 int fts_set __P((FTS *, FTSENT *, int));