1*53ee8cc1Swenshuai.xi /* 2*53ee8cc1Swenshuai.xi * Copyright (c) 1989, 1993 3*53ee8cc1Swenshuai.xi * The Regents of the University of California. All rights reserved. 4*53ee8cc1Swenshuai.xi * 5*53ee8cc1Swenshuai.xi * Redistribution and use in source and binary forms, with or without 6*53ee8cc1Swenshuai.xi * modification, are permitted provided that the following conditions 7*53ee8cc1Swenshuai.xi * are met: 8*53ee8cc1Swenshuai.xi * 1. Redistributions of source code must retain the above copyright 9*53ee8cc1Swenshuai.xi * notice, this list of conditions and the following disclaimer. 10*53ee8cc1Swenshuai.xi * 2. Redistributions in binary form must reproduce the above copyright 11*53ee8cc1Swenshuai.xi * notice, this list of conditions and the following disclaimer in the 12*53ee8cc1Swenshuai.xi * documentation and/or other materials provided with the distribution. 13*53ee8cc1Swenshuai.xi * 4. Neither the name of the University nor the names of its contributors 14*53ee8cc1Swenshuai.xi * may be used to endorse or promote products derived from this software 15*53ee8cc1Swenshuai.xi * without specific prior written permission. 16*53ee8cc1Swenshuai.xi * 17*53ee8cc1Swenshuai.xi * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*53ee8cc1Swenshuai.xi * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*53ee8cc1Swenshuai.xi * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*53ee8cc1Swenshuai.xi * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*53ee8cc1Swenshuai.xi * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*53ee8cc1Swenshuai.xi * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*53ee8cc1Swenshuai.xi * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*53ee8cc1Swenshuai.xi * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*53ee8cc1Swenshuai.xi * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*53ee8cc1Swenshuai.xi * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*53ee8cc1Swenshuai.xi * SUCH DAMAGE. 28*53ee8cc1Swenshuai.xi * 29*53ee8cc1Swenshuai.xi * @(#)fts.h 8.3 (Berkeley) 8/14/94 30*53ee8cc1Swenshuai.xi */ 31*53ee8cc1Swenshuai.xi 32*53ee8cc1Swenshuai.xi #ifndef _FTS_H 33*53ee8cc1Swenshuai.xi #define _FTS_H 1 34*53ee8cc1Swenshuai.xi 35*53ee8cc1Swenshuai.xi #include <features.h> 36*53ee8cc1Swenshuai.xi #include <sys/types.h> 37*53ee8cc1Swenshuai.xi 38*53ee8cc1Swenshuai.xi /* The fts interface is incompatible with the LFS interface which 39*53ee8cc1Swenshuai.xi transparently uses the 64-bit file access functions. */ 40*53ee8cc1Swenshuai.xi #ifdef __USE_FILE_OFFSET64 41*53ee8cc1Swenshuai.xi # error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64" 42*53ee8cc1Swenshuai.xi #endif 43*53ee8cc1Swenshuai.xi 44*53ee8cc1Swenshuai.xi 45*53ee8cc1Swenshuai.xi typedef struct { 46*53ee8cc1Swenshuai.xi struct _ftsent *fts_cur; /* current node */ 47*53ee8cc1Swenshuai.xi struct _ftsent *fts_child; /* linked list of children */ 48*53ee8cc1Swenshuai.xi struct _ftsent **fts_array; /* sort array */ 49*53ee8cc1Swenshuai.xi dev_t fts_dev; /* starting device # */ 50*53ee8cc1Swenshuai.xi char *fts_path; /* path for this descent */ 51*53ee8cc1Swenshuai.xi int fts_rfd; /* fd for root */ 52*53ee8cc1Swenshuai.xi int fts_pathlen; /* sizeof(path) */ 53*53ee8cc1Swenshuai.xi int fts_nitems; /* elements in the sort array */ 54*53ee8cc1Swenshuai.xi int (*fts_compar) (const void *, const void *); /* compare fn */ 55*53ee8cc1Swenshuai.xi 56*53ee8cc1Swenshuai.xi #define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */ 57*53ee8cc1Swenshuai.xi #define FTS_LOGICAL 0x0002 /* logical walk */ 58*53ee8cc1Swenshuai.xi #define FTS_NOCHDIR 0x0004 /* don't change directories */ 59*53ee8cc1Swenshuai.xi #define FTS_NOSTAT 0x0008 /* don't get stat info */ 60*53ee8cc1Swenshuai.xi #define FTS_PHYSICAL 0x0010 /* physical walk */ 61*53ee8cc1Swenshuai.xi #define FTS_SEEDOT 0x0020 /* return dot and dot-dot */ 62*53ee8cc1Swenshuai.xi #define FTS_XDEV 0x0040 /* don't cross devices */ 63*53ee8cc1Swenshuai.xi #define FTS_WHITEOUT 0x0080 /* return whiteout information */ 64*53ee8cc1Swenshuai.xi #define FTS_OPTIONMASK 0x00ff /* valid user option mask */ 65*53ee8cc1Swenshuai.xi 66*53ee8cc1Swenshuai.xi #define FTS_NAMEONLY 0x0100 /* (private) child names only */ 67*53ee8cc1Swenshuai.xi #define FTS_STOP 0x0200 /* (private) unrecoverable error */ 68*53ee8cc1Swenshuai.xi int fts_options; /* fts_open options, global flags */ 69*53ee8cc1Swenshuai.xi } FTS; 70*53ee8cc1Swenshuai.xi 71*53ee8cc1Swenshuai.xi typedef struct _ftsent { 72*53ee8cc1Swenshuai.xi struct _ftsent *fts_cycle; /* cycle node */ 73*53ee8cc1Swenshuai.xi struct _ftsent *fts_parent; /* parent directory */ 74*53ee8cc1Swenshuai.xi struct _ftsent *fts_link; /* next file in directory */ 75*53ee8cc1Swenshuai.xi long fts_number; /* local numeric value */ 76*53ee8cc1Swenshuai.xi void *fts_pointer; /* local address value */ 77*53ee8cc1Swenshuai.xi char *fts_accpath; /* access path */ 78*53ee8cc1Swenshuai.xi char *fts_path; /* root path */ 79*53ee8cc1Swenshuai.xi int fts_errno; /* errno for this node */ 80*53ee8cc1Swenshuai.xi int fts_symfd; /* fd for symlink */ 81*53ee8cc1Swenshuai.xi u_short fts_pathlen; /* strlen(fts_path) */ 82*53ee8cc1Swenshuai.xi u_short fts_namelen; /* strlen(fts_name) */ 83*53ee8cc1Swenshuai.xi 84*53ee8cc1Swenshuai.xi ino_t fts_ino; /* inode */ 85*53ee8cc1Swenshuai.xi dev_t fts_dev; /* device */ 86*53ee8cc1Swenshuai.xi nlink_t fts_nlink; /* link count */ 87*53ee8cc1Swenshuai.xi 88*53ee8cc1Swenshuai.xi #define FTS_ROOTPARENTLEVEL -1 89*53ee8cc1Swenshuai.xi #define FTS_ROOTLEVEL 0 90*53ee8cc1Swenshuai.xi short fts_level; /* depth (-1 to N) */ 91*53ee8cc1Swenshuai.xi 92*53ee8cc1Swenshuai.xi #define FTS_D 1 /* preorder directory */ 93*53ee8cc1Swenshuai.xi #define FTS_DC 2 /* directory that causes cycles */ 94*53ee8cc1Swenshuai.xi #define FTS_DEFAULT 3 /* none of the above */ 95*53ee8cc1Swenshuai.xi #define FTS_DNR 4 /* unreadable directory */ 96*53ee8cc1Swenshuai.xi #define FTS_DOT 5 /* dot or dot-dot */ 97*53ee8cc1Swenshuai.xi #define FTS_DP 6 /* postorder directory */ 98*53ee8cc1Swenshuai.xi #define FTS_ERR 7 /* error; errno is set */ 99*53ee8cc1Swenshuai.xi #define FTS_F 8 /* regular file */ 100*53ee8cc1Swenshuai.xi #define FTS_INIT 9 /* initialized only */ 101*53ee8cc1Swenshuai.xi #define FTS_NS 10 /* stat(2) failed */ 102*53ee8cc1Swenshuai.xi #define FTS_NSOK 11 /* no stat(2) requested */ 103*53ee8cc1Swenshuai.xi #define FTS_SL 12 /* symbolic link */ 104*53ee8cc1Swenshuai.xi #define FTS_SLNONE 13 /* symbolic link without target */ 105*53ee8cc1Swenshuai.xi #define FTS_W 14 /* whiteout object */ 106*53ee8cc1Swenshuai.xi u_short fts_info; /* user flags for FTSENT structure */ 107*53ee8cc1Swenshuai.xi 108*53ee8cc1Swenshuai.xi #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ 109*53ee8cc1Swenshuai.xi #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ 110*53ee8cc1Swenshuai.xi u_short fts_flags; /* private flags for FTSENT structure */ 111*53ee8cc1Swenshuai.xi 112*53ee8cc1Swenshuai.xi #define FTS_AGAIN 1 /* read node again */ 113*53ee8cc1Swenshuai.xi #define FTS_FOLLOW 2 /* follow symbolic link */ 114*53ee8cc1Swenshuai.xi #define FTS_NOINSTR 3 /* no instructions */ 115*53ee8cc1Swenshuai.xi #define FTS_SKIP 4 /* discard node */ 116*53ee8cc1Swenshuai.xi u_short fts_instr; /* fts_set() instructions */ 117*53ee8cc1Swenshuai.xi 118*53ee8cc1Swenshuai.xi struct stat *fts_statp; /* stat(2) information */ 119*53ee8cc1Swenshuai.xi char fts_name[1]; /* file name */ 120*53ee8cc1Swenshuai.xi } FTSENT; 121*53ee8cc1Swenshuai.xi 122*53ee8cc1Swenshuai.xi __BEGIN_DECLS 123*53ee8cc1Swenshuai.xi FTSENT *fts_children (FTS *, int); 124*53ee8cc1Swenshuai.xi int fts_close (FTS *); 125*53ee8cc1Swenshuai.xi FTS *fts_open (char * const *, int, 126*53ee8cc1Swenshuai.xi int (*)(const FTSENT **, const FTSENT **)); 127*53ee8cc1Swenshuai.xi FTSENT *fts_read (FTS *); 128*53ee8cc1Swenshuai.xi int fts_set (FTS *, FTSENT *, int) __THROW; 129*53ee8cc1Swenshuai.xi __END_DECLS 130*53ee8cc1Swenshuai.xi 131*53ee8cc1Swenshuai.xi #endif /* fts.h */ 132