1 /* $NetBSD: fts.h,v 1.16 2006/07/27 15:47:09 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)fts.h 8.3 (Berkeley) 8/14/94 32 */ 33 34 #ifndef _FTS_H_ 35 #define _FTS_H_ 36 37 #ifndef __fts_stat_t 38 #define __fts_stat_t struct stat 39 #endif 40 #ifndef __fts_nlink_t 41 #define __fts_nlink_t nlink_t 42 #endif 43 #ifndef __fts_ino_t 44 #define __fts_ino_t ino_t 45 #endif 46 #ifndef __fts_length_t 47 #define __fts_length_t u_int 48 #endif 49 #ifndef __fts_number_t 50 #define __fts_number_t int64_t 51 #endif 52 53 typedef struct { 54 struct _ftsent *fts_cur; /* current node */ 55 struct _ftsent *fts_child; /* linked list of children */ 56 struct _ftsent **fts_array; /* sort array */ 57 dev_t fts_dev; /* starting device # */ 58 char *fts_path; /* path for this descent */ 59 int fts_rfd; /* fd for root */ 60 u_int fts_pathlen; /* sizeof(path) */ 61 u_int fts_nitems; /* elements in the sort array */ 62 int (*fts_compar) /* compare function */ 63 (const struct _ftsent **, const struct _ftsent **); 64 65 #define FTS_COMFOLLOW 0x001 /* follow command line symlinks */ 66 #define FTS_LOGICAL 0x002 /* logical walk */ 67 #define FTS_NOCHDIR 0x004 /* don't change directories */ 68 #define FTS_NOSTAT 0x008 /* don't get stat info */ 69 #define FTS_PHYSICAL 0x010 /* physical walk */ 70 #define FTS_SEEDOT 0x020 /* return dot and dot-dot */ 71 #define FTS_XDEV 0x040 /* don't cross devices */ 72 #define FTS_WHITEOUT 0x080 /* return whiteout information */ 73 #define FTS_OPTIONMASK 0x0ff /* valid user option mask */ 74 75 #define FTS_NAMEONLY 0x100 /* (private) child names only */ 76 #define FTS_STOP 0x200 /* (private) unrecoverable error */ 77 int fts_options; /* fts_open options, global flags */ 78 } FTS; 79 80 typedef struct _ftsent { 81 struct _ftsent *fts_cycle; /* cycle node */ 82 struct _ftsent *fts_parent; /* parent directory */ 83 struct _ftsent *fts_link; /* next file in directory */ 84 __fts_number_t fts_number; /* local numeric value */ 85 void *fts_pointer; /* local address value */ 86 char *fts_accpath; /* access path */ 87 char *fts_path; /* root path */ 88 int fts_errno; /* errno for this node */ 89 int fts_symfd; /* fd for symlink */ 90 __fts_length_t fts_pathlen; /* strlen(fts_path) */ 91 __fts_length_t fts_namelen; /* strlen(fts_name) */ 92 93 __fts_ino_t fts_ino; /* inode */ 94 dev_t fts_dev; /* device */ 95 __fts_nlink_t fts_nlink; /* link count */ 96 97 #define FTS_ROOTPARENTLEVEL -1 98 #define FTS_ROOTLEVEL 0 99 short fts_level; /* depth (-1 to N) */ 100 101 #define FTS_D 1 /* preorder directory */ 102 #define FTS_DC 2 /* directory that causes cycles */ 103 #define FTS_DEFAULT 3 /* none of the above */ 104 #define FTS_DNR 4 /* unreadable directory */ 105 #define FTS_DOT 5 /* dot or dot-dot */ 106 #define FTS_DP 6 /* postorder directory */ 107 #define FTS_ERR 7 /* error; errno is set */ 108 #define FTS_F 8 /* regular file */ 109 #define FTS_INIT 9 /* initialized only */ 110 #define FTS_NS 10 /* stat(2) failed */ 111 #define FTS_NSOK 11 /* no stat(2) requested */ 112 #define FTS_SL 12 /* symbolic link */ 113 #define FTS_SLNONE 13 /* symbolic link without target */ 114 #define FTS_W 14 /* whiteout object */ 115 u_short fts_info; /* user flags for FTSENT structure */ 116 117 #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ 118 #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ 119 #define FTS_ISW 0x04 /* this is a whiteout object */ 120 u_short fts_flags; /* private flags for FTSENT structure */ 121 122 #define FTS_AGAIN 1 /* read node again */ 123 #define FTS_FOLLOW 2 /* follow symbolic link */ 124 #define FTS_NOINSTR 3 /* no instructions */ 125 #define FTS_SKIP 4 /* discard node */ 126 u_short fts_instr; /* fts_set() instructions */ 127 128 __fts_stat_t *fts_statp; /* stat(2) information */ 129 char fts_name[1]; /* file name */ 130 } FTSENT; 131 132 #include <sys/cdefs.h> 133 134 __BEGIN_DECLS 135 #ifndef __LIBC12_SOURCE__ 136 FTSENT *fts_children(FTS *, int) __RENAME(__fts_children32); 137 int fts_close(FTS *) __RENAME(__fts_close32); 138 FTS *fts_open(char * const *, int, 139 int (*)(const FTSENT **, const FTSENT **)) __RENAME(__fts_open32); 140 FTSENT *fts_read(FTS *) __RENAME(__fts_read32); 141 int fts_set(FTS *, FTSENT *, int) __RENAME(__fts_set32); 142 #endif 143 __END_DECLS 144 145 #endif /* !_FTS_H_ */ 146