fts.h revision 1539
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 8.1 (Berkeley) 6/2/93 34 */ 35 36#ifndef _FTS_H_ 37#define _FTS_H_ 38 39typedef 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_OPTIONMASK 0x07f /* valid user option mask */ 58 59#define FTS_NAMEONLY 0x080 /* (private) child names only */ 60#define FTS_STOP 0x100 /* (private) unrecoverable error */ 61 int fts_options; /* fts_open options, global flags */ 62} FTS; 63 64typedef 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) */ 76 77 ino_t fts_ino; /* inode */ 78 dev_t fts_dev; /* device */ 79 nlink_t fts_nlink; /* link count */ 80 81#define FTS_ROOTPARENTLEVEL -1 82#define FTS_ROOTLEVEL 0 83 short fts_level; /* depth (-1 to N) */ 84 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 u_short fts_info; /* user flags for FTSENT structure */ 99 100#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ 101#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ 102 u_short fts_flags; /* private flags for FTSENT structure */ 103 104#define FTS_AGAIN 1 /* read node again */ 105#define FTS_FOLLOW 2 /* follow symbolic link */ 106#define FTS_NOINSTR 3 /* no instructions */ 107#define FTS_SKIP 4 /* discard node */ 108 u_short fts_instr; /* fts_set() instructions */ 109 110 struct stat *fts_statp; /* stat(2) information */ 111 char fts_name[1]; /* file name */ 112} FTSENT; 113 114#include <sys/cdefs.h> 115 116__BEGIN_DECLS 117FTSENT *fts_children __P((FTS *, int)); 118int fts_close __P((FTS *)); 119FTS *fts_open __P((char * const *, int, 120 int (*)(const FTSENT **, const FTSENT **))); 121FTSENT *fts_read __P((FTS *)); 122int fts_set __P((FTS *, FTSENT *, int)); 123__END_DECLS 124 125#endif /* !_FTS_H_ */ 126