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- /*
- * Copyright (c) 1989, 1993
- * 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.
- * 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 8.3 (Berkeley) 8/14/94
- */
-
- #ifndef _FTS_H
- #define _FTS_H 1
-
- #if defined(__GLIBC__)
- #include <features.h>
- #else
-
- # define __THROW
- #ifdef __cplusplus
- # define __BEGIN_DECLS extern "C" {
- # define __END_DECLS }
- #else
- # define __BEGIN_DECLS
- # define __END_DECLS
- #endif
-
- #if defined(hpux)
- # define _D_EXACT_NAMLEN(d) ((d)->d_namlen)
- # define _INCLUDE_POSIX_SOURCE
- # define _LARGEFILE64_SOURCE
- #endif
-
- #if defined(sun)
- # define _D_EXACT_NAMLEN(d) ((d)->d_reclen)
- #endif
-
- #if defined(__APPLE__)
- # define _D_EXACT_NAMLEN(d) (strlen((d)->d_name))
- #endif
-
- #endif
-
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <dirent.h>
-
- typedef struct {
- /*@owned@*/ /*@relnull@*/
- struct _ftsent *fts_cur; /*!< current node */
- /*@owned@*/ /*@null@*/
- struct _ftsent *fts_child; /*!< linked list of children */
- /*@owned@*/ /*@null@*/
- struct _ftsent **fts_array; /*!< sort array */
- dev_t fts_dev; /*!< starting device # */
- /*@owned@*/ /*@relnull@*/
- char *fts_path; /*!< path for this descent */
- int fts_rfd; /*!< fd for root */
- int fts_pathlen; /*!< sizeof(path) */
- int fts_nitems; /*!< elements in the sort array */
- /*@null@*/
- int (*fts_compar) (const void *, const void *)
- /*@*/; /*!< compare fn */
-
- DIR * (*fts_opendir) (const char * path)
- /*@globals fileSystem @*/
- /*@modifies fileSystem @*/;
- struct dirent * (*fts_readdir) (DIR * dir)
- /*@globals fileSystem @*/
- /*@modifies *dir, fileSystem @*/;
- int (*fts_closedir) (/*@only@*/ DIR * dir)
- /*@globals fileSystem @*/
- /*@modifies *dir, fileSystem @*/;
- int (*fts_stat) (const char * path, /*@out@*/ struct stat * st)
- /*@globals fileSystem @*/
- /*@modifies *st, fileSystem @*/;
- int (*fts_lstat) (const char * path, /*@out@*/ struct stat * st)
- /*@globals fileSystem @*/
- /*@modifies *st, fileSystem @*/;
-
- #define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */
- #define FTS_LOGICAL 0x0002 /* logical walk */
- #define FTS_NOCHDIR 0x0004 /* don't change directories */
- #define FTS_NOSTAT 0x0008 /* don't get stat info */
- #define FTS_PHYSICAL 0x0010 /* physical walk */
- #define FTS_SEEDOT 0x0020 /* return dot and dot-dot */
- #define FTS_XDEV 0x0040 /* don't cross devices */
- #define FTS_WHITEOUT 0x0080 /* return whiteout information */
- #define FTS_OPTIONMASK 0x00ff /* valid user option mask */
-
- #define FTS_NAMEONLY 0x0100 /* (private) child names only */
- #define FTS_STOP 0x0200 /* (private) unrecoverable error */
- int fts_options; /*!< fts_open options, global flags */
- } FTS;
-
- typedef struct _ftsent {
- /*@dependent@*/
- struct _ftsent *fts_cycle; /*!< cycle node */
- /*@dependent@*/ /*@relnull@*/
- struct _ftsent *fts_parent; /*!< parent directory */
- /*@dependent@*/ /*@null@*/
- struct _ftsent *fts_link; /*!< next file in directory */
- long fts_number; /*!< local numeric value */
- /*@null@*/
- void *fts_pointer; /*!< local address value */
- /*@dependent@*/
- char *fts_accpath; /*!< access path */
- /*@dependent@*/
- char *fts_path; /*!< root path */
- int fts_errno; /*!< errno for this node */
- int fts_symfd; /*!< fd for symlink */
- u_short fts_pathlen; /*!< strlen(fts_path) */
- u_short fts_namelen; /*!< strlen(fts_name) */
-
- ino_t fts_ino; /*!< inode */
- dev_t fts_dev; /*!< device */
- nlink_t fts_nlink; /*!< link count */
-
- #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_DOT 5 /* dot or dot-dot */
- #define FTS_DP 6 /* postorder directory */
- #define FTS_ERR 7 /* error; errno is set */
- #define FTS_F 8 /* regular file */
- #define FTS_INIT 9 /* initialized only */
- #define FTS_NS 10 /* stat(2) failed */
- #define FTS_NSOK 11 /* no stat(2) requested */
- #define FTS_SL 12 /* symbolic link */
- #define FTS_SLNONE 13 /* symbolic link without target */
- #define FTS_W 14 /* whiteout object */
- u_short fts_info; /*!< user flags for FTSENT structure */
-
- #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
- #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
- u_short fts_flags; /*!< private 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 */
-
- /*@dependent@*/
- struct stat *fts_statp; /*!< stat(2) information */
- char fts_name[1]; /*!< file name */
- } FTSENT;
-
- __BEGIN_DECLS
-
- /**
- * Return list of children of the current node.
- * @param sp file hierarchy state
- * @param instr
- * @return file set member
- */
- /*@dependent@*/ /*@null@*/
- FTSENT *Fts_children (FTS * sp, int instr) __THROW
- /*@globals fileSystem, internalState @*/
- /*@modifies *sp, fileSystem, internalState @*/;
-
- /**
- * Destroy a file hierarchy traversal handle.
- * @param sp file hierarchy state
- * @return 0 on sucess, -1 on error
- */
- int Fts_close (/*@only@*/ /*@null@*/ FTS * sp) __THROW
- /*@globals fileSystem, internalState @*/
- /*@modifies *sp, fileSystem, internalState @*/;
-
- /**
- * Create a handle for file hierarchy traversal.
- * @param argv paths that compose a logical file hierarchy
- * @param options traversal options
- * @param compar traversal ordering (or NULL)
- * @return file hierarchy state (or NULL on error)
- */
- /*@only@*/ /*@null@*/
- FTS *Fts_open (char * const * argv, int options,
- /*@null@*/
- int (*compar) (const FTSENT **, const FTSENT **)) __THROW
- /*@*/;
-
- /**
- * Return next node in the file hierarchy traversal.
- * @param sp file hierarchy state
- * @return file set member
- */
- /*@null@*/
- FTSENT *Fts_read (/*@null@*/ FTS * sp) __THROW
- /*@globals fileSystem, internalState @*/
- /*@modifies *sp, fileSystem, internalState @*/;
-
- /**
- * Modify the traversal for a file set member.
- * @param sp file hierarchy state
- * @param p file set member
- * @param instr new disposition for file set member
- * @return 0 on sucess, -1 on error
- */
- int Fts_set (FTS * sp, FTSENT * p, int instr) __THROW
- /*@modifies *p @*/;
-
- __END_DECLS
-
- #endif /* fts.h */
-