NT4/private/posix/programs/inc/bsd/fts.h
2020-09-30 17:12:29 +02:00

122 lines
4.7 KiB
C

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