116 lines
4.6 KiB
C
116 lines
4.6 KiB
C
/*
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)fts.h 5.14 (Berkeley) 4/3/91
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*/
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#ifndef _FTS_H_
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#define _FTS_H_
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typedef struct {
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struct _ftsent *fts_cur; /* current node */
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struct _ftsent *fts_child; /* linked list of children */
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struct _ftsent *fts_savelink; /* saved link if node had a cycle */
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struct _ftsent **fts_array; /* sort array */
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dev_t rdev; /* starting device # */
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char *fts_path; /* path for this descent */
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int fts_dfd; /* fd for directories */
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int fts_rfd; /* fd for root */
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int fts_pathlen; /* sizeof(path) */
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int fts_nitems; /* elements in the sort array */
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int (*fts_compar)(); /* compare function */
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#define FTS_LOGICAL 0x001 /* logical walk */
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#define FTS_NOCHDIR 0x002 /* don't change directories */
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#define FTS_NOSTAT 0x004 /* don't get stat info */
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#define FTS_PHYSICAL 0x008 /* physical walk */
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#define FTS_SEEDOT 0x010 /* return dot and dot-dot */
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#define FTS_STOP 0x020 /* (private) unrecoverable error */
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#define FTS_XDEV 0x040 /* don't cross devices */
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int fts_options; /* openfts() options */
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} FTS;
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typedef struct _ftsent {
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struct _ftsent *fts_parent; /* parent directory */
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struct _ftsent *fts_link; /* cycle or next file structure */
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union {
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long number; /* local numeric value */
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void *pointer; /* local address value */
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} fts_local;
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#define fts_number fts_local.number
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#define fts_pointer fts_local.pointer
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char *fts_accpath; /* access path */
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char *fts_path; /* root path */
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int fts_cderr; /* chdir failed -- errno */
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short fts_pathlen; /* strlen(fts_path) */
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short fts_namelen; /* strlen(fts_name) */
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#define FTS_ROOTPARENTLEVEL -1
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#define FTS_ROOTLEVEL 0
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short fts_level; /* depth (-1 to N) */
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#define FTS_D 1 /* preorder directory */
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#define FTS_DC 2 /* directory that causes cycles */
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#define FTS_DEFAULT 3 /* none of the above */
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#define FTS_DNR 4 /* unreadable directory */
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#define FTS_DP 5 /* postorder directory */
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#define FTS_ERR 6 /* error; errno is set */
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#define FTS_F 7 /* regular file */
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#define FTS_NS 8 /* stat(2) failed */
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#define FTS_NSOK 9 /* no stat(2) requested */
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#define FTS_SL 10 /* symbolic link */
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#define FTS_SLNONE 11 /* symbolic link without target */
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u_short fts_info; /* user flags for FTSENT structure */
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#define FTS_AGAIN 1 /* read node again */
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#define FTS_FOLLOW 2 /* follow symbolic link */
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#define FTS_NOINSTR 3 /* no instructions */
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#define FTS_SKIP 4 /* discard node */
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u_short fts_instr; /* fts_set() instructions */
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struct stat fts_statb; /* stat(2) information */
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char fts_name[1]; /* file name */
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} FTSENT;
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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FTSENT *fts_children __P((FTS *));
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int fts_close __P((FTS *));
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FTS *fts_open
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__P((char * const *, int, int (*)(const FTSENT *, const FTSENT *)));
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FTSENT *fts_read __P((FTS *));
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int fts_set __P((FTS *, FTSENT *, int));
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__END_DECLS
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#endif /* !_FTS_H_ */
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