1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)fts.h 8.3 (Berkeley) 8/14/94 34 */ 35 36 #ifndef _FTS_H_ 37 #define _FTS_H_ 38 39 typedef struct { 40 struct _ftsent *fts_cur; /* current node */ 41 struct _ftsent *fts_child; /* linked list of children */ 42 struct _ftsent **fts_array; /* sort array */ 43 dev_t fts_dev; /* starting device # */ 44 char *fts_path; /* path for this descent */ 45 int fts_rfd; /* fd for root */ 46 int fts_pathlen; /* sizeof(path) */ 47 int fts_nitems; /* elements in the sort array */ 48 int (*fts_compar)(); /* compare function */ 49 50 #define FTS_COMFOLLOW 0x001 /* follow command line symlinks */ 51 #define FTS_LOGICAL 0x002 /* logical walk */ 52 #define FTS_NOCHDIR 0x004 /* don't change directories */ 53 #define FTS_NOSTAT 0x008 /* don't get stat info */ 54 #define FTS_PHYSICAL 0x010 /* physical walk */ 55 #define FTS_SEEDOT 0x020 /* return dot and dot-dot */ 56 #define FTS_XDEV 0x040 /* don't cross devices */ 57 #define FTS_WHITEOUT 0x080 /* return whiteout information */ 58 #define FTS_OPTIONMASK 0x0ff /* valid user option mask */ 59 60 #define FTS_NAMEONLY 0x100 /* (private) child names only */ 61 #define FTS_STOP 0x200 /* (private) unrecoverable error */ 62 int fts_options; /* fts_open options, global flags */ 63 } FTS; 64 65 typedef struct _ftsent { 66 struct _ftsent *fts_cycle; /* cycle node */ 67 struct _ftsent *fts_parent; /* parent directory */ 68 struct _ftsent *fts_link; /* next file in directory */ 69 long fts_number; /* local numeric value */ 70 void *fts_pointer; /* local address value */ 71 char *fts_accpath; /* access path */ 72 char *fts_path; /* root path */ 73 int fts_errno; /* errno for this node */ 74 int fts_symfd; /* fd for symlink */ 75 u_short fts_pathlen; /* strlen(fts_path) */ 76 u_short fts_namelen; /* strlen(fts_name) */ 77 78 ino_t fts_ino; /* inode */ 79 dev_t fts_dev; /* device */ 80 nlink_t fts_nlink; /* link count */ 81 82 #define FTS_ROOTPARENTLEVEL -1 83 #define FTS_ROOTLEVEL 0 84 short fts_level; /* depth (-1 to N) */ 85 86 #define FTS_D 1 /* preorder directory */ 87 #define FTS_DC 2 /* directory that causes cycles */ 88 #define FTS_DEFAULT 3 /* none of the above */ 89 #define FTS_DNR 4 /* unreadable directory */ 90 #define FTS_DOT 5 /* dot or dot-dot */ 91 #define FTS_DP 6 /* postorder directory */ 92 #define FTS_ERR 7 /* error; errno is set */ 93 #define FTS_F 8 /* regular file */ 94 #define FTS_INIT 9 /* initialized only */ 95 #define FTS_NS 10 /* stat(2) failed */ 96 #define FTS_NSOK 11 /* no stat(2) requested */ 97 #define FTS_SL 12 /* symbolic link */ 98 #define FTS_SLNONE 13 /* symbolic link without target */ 99 #define FTS_W 14 /* whiteout object */ 100 u_short fts_info; /* user flags for FTSENT structure */ 101 102 #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ 103 #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ 104 #define FTS_ISW 0x04 /* this is a whiteout object */ 105 u_short fts_flags; /* private flags for FTSENT structure */ 106 107 #define FTS_AGAIN 1 /* read node again */ 108 #define FTS_FOLLOW 2 /* follow symbolic link */ 109 #define FTS_NOINSTR 3 /* no instructions */ 110 #define FTS_SKIP 4 /* discard node */ 111 u_short fts_instr; /* fts_set() instructions */ 112 113 struct stat *fts_statp; /* stat(2) information */ 114 char fts_name[1]; /* file name */ 115 } FTSENT; 116 117 #include <sys/cdefs.h> 118 119 __BEGIN_DECLS 120 FTSENT *fts_children __P((FTS *, int)); 121 int fts_close __P((FTS *)); 122 FTS *fts_open __P((char * const *, int, 123 int (*)(const FTSENT **, const FTSENT **))); 124 FTSENT *fts_read __P((FTS *)); 125 int fts_set __P((FTS *, FTSENT *, int)); 126 __END_DECLS 127 128 #endif /* !_FTS_H_ */ 129