1/* $OpenBSD: fts.h,v 1.12 2009/08/27 16:19:27 millert Exp $ */ 2/* $NetBSD: fts.h,v 1.5 1994/12/28 01:41:50 mycroft Exp $ */ 3 4/* 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)fts.h 8.3 (Berkeley) 8/14/94 33 */ 34 35#ifndef _FTS_H_ 36#define _FTS_H_ 37 38#include <sys/types.h> 39 40typedef struct { 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 size_t fts_pathlen; /* sizeof(path) */ 48 int fts_nitems; /* elements in the sort array */ 49 int (*fts_compar)(); /* compare function */ 50 51#define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */ 52#define FTS_LOGICAL 0x0002 /* logical walk */ 53#define FTS_NOCHDIR 0x0004 /* don't change directories */ 54#define FTS_NOSTAT 0x0008 /* don't get stat info */ 55#define FTS_PHYSICAL 0x0010 /* physical walk */ 56#define FTS_SEEDOT 0x0020 /* return dot and dot-dot */ 57#define FTS_XDEV 0x0040 /* don't cross devices */ 58#define FTS_OPTIONMASK 0x00ff /* valid user option mask */ 59 60#define FTS_NAMEONLY 0x1000 /* (private) child names only */ 61#define FTS_STOP 0x2000 /* (private) unrecoverable error */ 62 int fts_options; /* fts_open options, global flags */ 63} FTS; 64 65typedef 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 size_t fts_pathlen; /* strlen(fts_path) */ 76 size_t 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#define FTS_MAXLEVEL 0x7fff 85 short fts_level; /* depth (-1 to N) */ 86 87#define FTS_D 1 /* preorder directory */ 88#define FTS_DC 2 /* directory that causes cycles */ 89#define FTS_DEFAULT 3 /* none of the above */ 90#define FTS_DNR 4 /* unreadable directory */ 91#define FTS_DOT 5 /* dot or dot-dot */ 92#define FTS_DP 6 /* postorder directory */ 93#define FTS_ERR 7 /* error; errno is set */ 94#define FTS_F 8 /* regular file */ 95#define FTS_INIT 9 /* initialized only */ 96#define FTS_NS 10 /* stat(2) failed */ 97#define FTS_NSOK 11 /* no stat(2) requested */ 98#define FTS_SL 12 /* symbolic link */ 99#define FTS_SLNONE 13 /* symbolic link without target */ 100 unsigned 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 unsigned short fts_flags; /* private flags for FTSENT structure */ 105 106#define FTS_AGAIN 1 /* read node again */ 107#define FTS_FOLLOW 2 /* follow symbolic link */ 108#define FTS_NOINSTR 3 /* no instructions */ 109#define FTS_SKIP 4 /* discard node */ 110 unsigned short fts_instr; /* fts_set() instructions */ 111 112 struct stat *fts_statp; /* stat(2) information */ 113 char fts_name[1]; /* file name */ 114} FTSENT; 115 116#include <sys/cdefs.h> 117 118__BEGIN_DECLS 119FTSENT *fts_children(FTS *, int); 120int fts_close(FTS *); 121FTS *fts_open(char * const *, int, 122 int (*)(const FTSENT **, const FTSENT **)); 123FTSENT *fts_read(FTS *); 124int fts_set(FTS *, FTSENT *, int); 125__END_DECLS 126 127#endif /* !_FTS_H_ */ 128