modernc.org/cc@v1.0.1/v2/headers/linux_amd64/usr/include/fts.h (about)

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