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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _FTS_H 31 #define _FTS_H 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 typedef struct { 38 struct _ftsent *fts_cur; /* current node */ 39 struct _ftsent *fts_child; /* linked list of children */ 40 struct _ftsent **fts_array; /* sort array */ 41 dev_t fts_dev; /* starting device # */ 42 char *fts_path; /* path for this descent */ 43 int fts_rfd; /* fd for root */ 44 size_t fts_pathlen; /* sizeof(path) */ 45 int fts_nitems; /* elements in the sort array */ 46 int (*fts_compar)(); /* compare function */ 47 48 #define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */ 49 #define FTS_LOGICAL 0x0002 /* logical walk */ 50 #define FTS_NOCHDIR 0x0004 /* don't change directories */ 51 #define FTS_NOSTAT 0x0008 /* don't get stat info */ 52 #define FTS_PHYSICAL 0x0010 /* physical walk */ 53 #define FTS_SEEDOT 0x0020 /* return dot and dot-dot */ 54 #define FTS_XDEV 0x0040 /* don't cross devices */ 55 #define FTS_OPTIONMASK 0x00ff /* valid user option mask */ 56 57 #define FTS_NAMEONLY 0x1000 /* (private) child names only */ 58 #define FTS_STOP 0x2000 /* (private) unrecoverable error */ 59 int fts_options; /* fts_open options, global flags */ 60 } FTS; 61 62 typedef struct _ftsent { 63 struct _ftsent *fts_cycle; /* cycle node */ 64 struct _ftsent *fts_parent; /* parent directory */ 65 struct _ftsent *fts_link; /* next file in directory */ 66 long fts_number; /* local numeric value */ 67 void *fts_pointer; /* local address value */ 68 char *fts_accpath; /* access path */ 69 char *fts_path; /* root path */ 70 int fts_errno; /* errno for this node */ 71 int fts_symfd; /* fd for symlink */ 72 size_t fts_pathlen; /* strlen(fts_path) */ 73 size_t fts_namelen; /* strlen(fts_name) */ 74 75 ino_t fts_ino; /* inode */ 76 dev_t fts_dev; /* device */ 77 nlink_t fts_nlink; /* link count */ 78 79 #define FTS_ROOTPARENTLEVEL -1 80 #define FTS_ROOTLEVEL 0 81 #define FTS_MAXLEVEL 0x7fffffff 82 int fts_level; /* depth (-1 to N) */ 83 84 #define FTS_D 1 /* preorder directory */ 85 #define FTS_DC 2 /* directory that causes cycles */ 86 #define FTS_DEFAULT 3 /* none of the above */ 87 #define FTS_DNR 4 /* unreadable directory */ 88 #define FTS_DOT 5 /* dot or dot-dot */ 89 #define FTS_DP 6 /* postorder directory */ 90 #define FTS_ERR 7 /* error; errno is set */ 91 #define FTS_F 8 /* regular file */ 92 #define FTS_INIT 9 /* initialized only */ 93 #define FTS_NS 10 /* stat(2) failed */ 94 #define FTS_NSOK 11 /* no stat(2) requested */ 95 #define FTS_SL 12 /* symbolic link */ 96 #define FTS_SLNONE 13 /* symbolic link without target */ 97 unsigned short fts_info; /* user flags for FTSENT structure */ 98 99 #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ 100 #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ 101 unsigned short fts_flags; /* private flags for FTSENT structure */ 102 103 #define FTS_AGAIN 1 /* read node again */ 104 #define FTS_FOLLOW 2 /* follow symbolic link */ 105 #define FTS_NOINSTR 3 /* no instructions */ 106 #define FTS_SKIP 4 /* discard node */ 107 unsigned short fts_instr; /* fts_set() instructions */ 108 109 unsigned short fts_spare; /* unused */ 110 111 struct stat *fts_statp; /* stat(2) information */ 112 char fts_name[1]; /* file name */ 113 } FTSENT; 114 115 FTSENT *fts_children(FTS *, int); 116 int fts_close(FTS *); 117 FTS *fts_open(char * const *, int, 118 int (*)(const FTSENT **, const FTSENT **)); 119 FTSENT *fts_read(FTS *); 120 int fts_set(FTS *, FTSENT *, int); 121 122 #ifdef __cplusplus 123 } 124 #endif 125 126 #endif /* !_FTS_H */ 127