headers/posix/ftw.h

   1 /*      $OpenBSD: ftw.h,v 1.1 2003/07/21 21:13:18 millert Exp $ */
   2
   3 /*
   4  * Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  * Sponsored in part by the Defense Advanced Research Projects
  19  * Agency (DARPA) and Air Force Research Laboratory, Air Force
  20  * Materiel Command, USAF, under agreement number F39502-99-1-0512.
  21  *
  22  * $FreeBSD$
  23  */
  24
  25 #ifndef _FTW_H
  26 #define _FTW_H
  27
  28 #include <sys/cdefs.h>
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31
  32 /*
  33  * Valid flags for the 3rd argument to the function that is passed as the
  34  * second argument to ftw(3) and nftw(3).  Say it three times fast!
  35  */
  36 #define FTW_F           0       /* File.  */
  37 #define FTW_D           1       /* Directory.  */
  38 #define FTW_DNR         2       /* Directory without read permission.  */
  39 #define FTW_DP          3       /* Directory with subdirectories visited.  */
  40 #define FTW_NS          4       /* Unknown type; stat() failed.  */
  41 #define FTW_SL          5       /* Symbolic link.  */
  42 #define FTW_SLN         6       /* Sym link that names a nonexistent file.  */
  43
  44 /*
  45  * Flags for use as the 4th argument to nftw(3).  These may be ORed together.
  46  */
  47 #define FTW_PHYS        0x01    /* Physical walk, don't follow sym links.  */
  48 #define FTW_MOUNT       0x02    /* The walk does not cross a mount point.  */
  49 #define FTW_DEPTH       0x04    /* Subdirs visited before the dir itself. */
  50 #define FTW_CHDIR       0x08    /* Change to a directory before reading it. */
  51
  52 struct FTW {
  53         int base;
  54         int level;
  55 };
  56
  57 __BEGIN_DECLS
  58 int     ftw(const char *, int (*)(const char *, const struct stat *, int), int);
  59 int     nftw(const char *, int (*)(const char *, const struct stat *, int,
  60             struct FTW *), int, int);
  61 __END_DECLS
  62
  63 #endif  /* !_FTW_H */