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 * 4. 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 * @(#)fts.h 8.3 (Berkeley) 8/14/94 30 */ 31 32 #ifndef _FTS_H 33 #define _FTS_H 1 34 35 #include <features.h> 36 #include <sys/types.h> 37 38 /* The fts interface is incompatible with the LFS interface which 39 transparently uses the 64-bit file access functions. */ 40 #ifdef __USE_FILE_OFFSET64 41 # error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64" 42 #endif 43 44 45 typedef struct { 46 struct _ftsent *fts_cur; /* current node */ 47 struct _ftsent *fts_child; /* linked list of children */ 48 struct _ftsent **fts_array; /* sort array */ 49 dev_t fts_dev; /* starting device # */ 50 char *fts_path; /* path for this descent */ 51 int fts_rfd; /* fd for root */ 52 int fts_pathlen; /* sizeof(path) */ 53 int fts_nitems; /* elements in the sort array */ 54 int (*fts_compar) (const void *, const void *); /* compare fn */ 55 56 #define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */ 57 #define FTS_LOGICAL 0x0002 /* logical walk */ 58 #define FTS_NOCHDIR 0x0004 /* don't change directories */ 59 #define FTS_NOSTAT 0x0008 /* don't get stat info */ 60 #define FTS_PHYSICAL 0x0010 /* physical walk */ 61 #define FTS_SEEDOT 0x0020 /* return dot and dot-dot */ 62 #define FTS_XDEV 0x0040 /* don't cross devices */ 63 #define FTS_WHITEOUT 0x0080 /* return whiteout information */ 64 #define FTS_OPTIONMASK 0x00ff /* valid user option mask */ 65 66 #define FTS_NAMEONLY 0x0100 /* (private) child names only */ 67 #define FTS_STOP 0x0200 /* (private) unrecoverable error */ 68 int fts_options; /* fts_open options, global flags */ 69 } FTS; 70 71 typedef struct _ftsent { 72 struct _ftsent *fts_cycle; /* cycle node */ 73 struct _ftsent *fts_parent; /* parent directory */ 74 struct _ftsent *fts_link; /* next file in directory */ 75 long fts_number; /* local numeric value */ 76 void *fts_pointer; /* local address value */ 77 char *fts_accpath; /* access path */ 78 char *fts_path; /* root path */ 79 int fts_errno; /* errno for this node */ 80 int fts_symfd; /* fd for symlink */ 81 u_short fts_pathlen; /* strlen(fts_path) */ 82 u_short fts_namelen; /* strlen(fts_name) */ 83 84 ino_t fts_ino; /* inode */ 85 dev_t fts_dev; /* device */ 86 nlink_t fts_nlink; /* link count */ 87 88 #define FTS_ROOTPARENTLEVEL -1 89 #define FTS_ROOTLEVEL 0 90 short fts_level; /* depth (-1 to N) */ 91 92 #define FTS_D 1 /* preorder directory */ 93 #define FTS_DC 2 /* directory that causes cycles */ 94 #define FTS_DEFAULT 3 /* none of the above */ 95 #define FTS_DNR 4 /* unreadable directory */ 96 #define FTS_DOT 5 /* dot or dot-dot */ 97 #define FTS_DP 6 /* postorder directory */ 98 #define FTS_ERR 7 /* error; errno is set */ 99 #define FTS_F 8 /* regular file */ 100 #define FTS_INIT 9 /* initialized only */ 101 #define FTS_NS 10 /* stat(2) failed */ 102 #define FTS_NSOK 11 /* no stat(2) requested */ 103 #define FTS_SL 12 /* symbolic link */ 104 #define FTS_SLNONE 13 /* symbolic link without target */ 105 #define FTS_W 14 /* whiteout object */ 106 u_short fts_info; /* user flags for FTSENT structure */ 107 108 #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ 109 #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ 110 u_short fts_flags; /* private flags for FTSENT structure */ 111 112 #define FTS_AGAIN 1 /* read node again */ 113 #define FTS_FOLLOW 2 /* follow symbolic link */ 114 #define FTS_NOINSTR 3 /* no instructions */ 115 #define FTS_SKIP 4 /* discard node */ 116 u_short fts_instr; /* fts_set() instructions */ 117 118 struct stat *fts_statp; /* stat(2) information */ 119 char fts_name[1]; /* file name */ 120 } FTSENT; 121 122 __BEGIN_DECLS 123 FTSENT *fts_children (FTS *, int); 124 int fts_close (FTS *); 125 FTS *fts_open (char * const *, int, 126 int (*)(const FTSENT **, const FTSENT **)); 127 FTSENT *fts_read (FTS *); 128 int fts_set (FTS *, FTSENT *, int) __THROW; 129 __END_DECLS 130 131 #endif /* fts.h */ 132