| Colin Cross | 64ceac3 | 2010-01-13 21:19:52 -0800 | [diff] [blame] | 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 | typedef struct { |
| 39 | struct _ftsent *fts_cur; /* current node */ |
| 40 | struct _ftsent *fts_child; /* linked list of children */ |
| 41 | struct _ftsent **fts_array; /* sort array */ |
| 42 | dev_t fts_dev; /* starting device # */ |
| 43 | char *fts_path; /* path for this descent */ |
| 44 | int fts_rfd; /* fd for root */ |
| 45 | size_t fts_pathlen; /* sizeof(path) */ |
| 46 | int fts_nitems; /* elements in the sort array */ |
| 47 | int (*fts_compar)(); /* compare function */ |
| 48 | |
| 49 | #define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */ |
| 50 | #define FTS_LOGICAL 0x0002 /* logical walk */ |
| 51 | #define FTS_NOCHDIR 0x0004 /* don't change directories */ |
| 52 | #define FTS_NOSTAT 0x0008 /* don't get stat info */ |
| 53 | #define FTS_PHYSICAL 0x0010 /* physical walk */ |
| 54 | #define FTS_SEEDOT 0x0020 /* return dot and dot-dot */ |
| 55 | #define FTS_XDEV 0x0040 /* don't cross devices */ |
| 56 | #define FTS_OPTIONMASK 0x00ff /* valid user option mask */ |
| 57 | |
| 58 | #define FTS_NAMEONLY 0x1000 /* (private) child names only */ |
| 59 | #define FTS_STOP 0x2000 /* (private) unrecoverable error */ |
| 60 | int fts_options; /* fts_open options, global flags */ |
| 61 | } FTS; |
| 62 | |
| 63 | typedef struct _ftsent { |
| 64 | struct _ftsent *fts_cycle; /* cycle node */ |
| 65 | struct _ftsent *fts_parent; /* parent directory */ |
| 66 | struct _ftsent *fts_link; /* next file in directory */ |
| 67 | long fts_number; /* local numeric value */ |
| 68 | void *fts_pointer; /* local address value */ |
| 69 | char *fts_accpath; /* access path */ |
| 70 | char *fts_path; /* root path */ |
| 71 | int fts_errno; /* errno for this node */ |
| 72 | int fts_symfd; /* fd for symlink */ |
| 73 | size_t fts_pathlen; /* strlen(fts_path) */ |
| 74 | size_t fts_namelen; /* strlen(fts_name) */ |
| 75 | |
| 76 | ino_t fts_ino; /* inode */ |
| 77 | dev_t fts_dev; /* device */ |
| 78 | nlink_t fts_nlink; /* link count */ |
| 79 | |
| 80 | #define FTS_ROOTPARENTLEVEL -1 |
| 81 | #define FTS_ROOTLEVEL 0 |
| 82 | #define FTS_MAXLEVEL 0x7fff |
| 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 | unsigned 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 | unsigned 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 | unsigned 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 |
| 117 | FTSENT *fts_children(FTS *, int); |
| 118 | int fts_close(FTS *); |
| 119 | FTS *fts_open(char * const *, int, |
| 120 | int (*)(const FTSENT **, const FTSENT **)); |
| 121 | FTSENT *fts_read(FTS *); |
| 122 | int fts_set(FTS *, FTSENT *, int); |
| 123 | __END_DECLS |
| 124 | |
| 125 | #endif /* !_FTS_H_ */ |