1/* $NetBSD: fts.h,v 1.18 2009/01/11 03:04:12 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 unsigned int 48#endif 49#ifndef __fts_number_t 50#define __fts_number_t int64_t 51#endif 52#ifndef __fts_dev_t 53#define __fts_dev_t dev_t 54#endif 55#ifndef __fts_level_t 56#define __fts_level_t int 57#endif 58 59typedef struct { 60 struct _ftsent *fts_cur; /* current node */ 61 struct _ftsent *fts_child; /* linked list of children */ 62 struct _ftsent **fts_array; /* sort array */ 63 dev_t fts_dev; /* starting device # */ 64 char *fts_path; /* path for this descent */ 65 int fts_rfd; /* fd for root */ 66 unsigned int fts_pathlen; /* sizeof(path) */ 67 unsigned int fts_nitems; /* elements in the sort array */ 68 int (*fts_compar) /* compare function */ 69 (const struct _ftsent **, const struct _ftsent **); 70 71#define FTS_COMFOLLOW 0x001 /* follow command line symlinks */ 72#define FTS_LOGICAL 0x002 /* logical walk */ 73#define FTS_NOCHDIR 0x004 /* don't change directories */ 74#define FTS_NOSTAT 0x008 /* don't get stat info */ 75#define FTS_PHYSICAL 0x010 /* physical walk */ 76#define FTS_SEEDOT 0x020 /* return dot and dot-dot */ 77#define FTS_XDEV 0x040 /* don't cross devices */ 78#define FTS_WHITEOUT 0x080 /* return whiteout information */ 79#define FTS_OPTIONMASK 0x0ff /* valid user option mask */ 80 81#define FTS_NAMEONLY 0x100 /* (private) child names only */ 82#define FTS_STOP 0x200 /* (private) unrecoverable error */ 83 int fts_options; /* fts_open options, global flags */ 84} FTS; 85 86typedef struct _ftsent { 87 struct _ftsent *fts_cycle; /* cycle node */ 88 struct _ftsent *fts_parent; /* parent directory */ 89 struct _ftsent *fts_link; /* next file in directory */ 90 __fts_number_t fts_number; /* local numeric value */ 91 void *fts_pointer; /* local address value */ 92 char *fts_accpath; /* access path */ 93 char *fts_path; /* root path */ 94 int fts_errno; /* errno for this node */ 95 int fts_symfd; /* fd for symlink */ 96 __fts_length_t fts_pathlen; /* strlen(fts_path) */ 97 __fts_length_t fts_namelen; /* strlen(fts_name) */ 98 99 __fts_ino_t fts_ino; /* inode */ 100 __fts_dev_t fts_dev; /* device */ 101 __fts_nlink_t fts_nlink; /* link count */ 102 103#define FTS_ROOTPARENTLEVEL -1 104#define FTS_ROOTLEVEL 0 105 __fts_level_t fts_level; /* depth (-1 to N) */ 106 107#define FTS_D 1 /* preorder directory */ 108#define FTS_DC 2 /* directory that causes cycles */ 109#define FTS_DEFAULT 3 /* none of the above */ 110#define FTS_DNR 4 /* unreadable directory */ 111#define FTS_DOT 5 /* dot or dot-dot */ 112#define FTS_DP 6 /* postorder directory */ 113#define FTS_ERR 7 /* error; errno is set */ 114#define FTS_F 8 /* regular file */ 115#define FTS_INIT 9 /* initialized only */ 116#define FTS_NS 10 /* stat(2) failed */ 117#define FTS_NSOK 11 /* no stat(2) requested */ 118#define FTS_SL 12 /* symbolic link */ 119#define FTS_SLNONE 13 /* symbolic link without target */ 120#define FTS_W 14 /* whiteout object */ 121 unsigned short fts_info; /* user flags for FTSENT structure */ 122 123#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ 124#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ 125#define FTS_ISW 0x04 /* this is a whiteout object */ 126 unsigned short fts_flags; /* private flags for FTSENT structure */ 127 128#define FTS_AGAIN 1 /* read node again */ 129#define FTS_FOLLOW 2 /* follow symbolic link */ 130#define FTS_NOINSTR 3 /* no instructions */ 131#define FTS_SKIP 4 /* discard node */ 132 unsigned short fts_instr; /* fts_set() instructions */ 133 134 __fts_stat_t *fts_statp; /* stat(2) information */ 135 char fts_name[1]; /* file name */ 136} FTSENT; 137 138#include <sys/cdefs.h> 139 140__BEGIN_DECLS 141#ifndef __LIBC12_SOURCE__ 142FTSENT *fts_children(FTS *, int) __RENAME(__fts_children60); 143int fts_close(FTS *) __RENAME(__fts_close60); 144FTS *fts_open(char * const *, int, 145 int (*)(const FTSENT **, const FTSENT **)) __RENAME(__fts_open60); 146FTSENT *fts_read(FTS *) __RENAME(__fts_read60); 147int fts_set(FTS *, FTSENT *, int) __RENAME(__fts_set60); 148#endif 149__END_DECLS 150 151#endif /* !_FTS_H_ */ 152