posix/include/ftw.h

   1 /* $Id: ftw.h,v 1.2 2002/02/20 09:17:54 hyperion Exp $
   2  */
   3 /*
   4  * ftw.h
   5  *
   6  * file tree traversal. Conforming to the Single UNIX(r) Specification
   7  * Version 2, System Interface & Headers Issue 5
   8  *
   9  * This file is part of the ReactOS Operating System.
  10  *
  11  * Contributors:
  12  *  Created by KJK::Hyperion <noog@libero.it>
  13  *
  14  *  THIS SOFTWARE IS NOT COPYRIGHTED
  15  *
  16  *  This source code is offered for use in the public domain. You may
  17  *  use, modify or distribute it freely.
  18  *
  19  *  This code is distributed in the hope that it will be useful but
  20  *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
  21  *  DISCLAMED. This includes but is not limited to warranties of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  23  *
  24  */
  25 #ifndef __FTW_H_INCLUDED__
  26 #define __FTW_H_INCLUDED__
  27
  28 /* INCLUDES */
  29
  30 /* OBJECTS */
  31
  32 /* TYPES */
  33 struct FTW
  34 {
  35  int  base;
  36  int  level;
  37 };
  38
  39 /* CONSTANTS */
  40 /* Values of the third argument to the application-supplied function
  41    that is passed as the second argument to ftw() and nftw() */
  42 #define FTW_F   (1) /* File. */
  43 #define FTW_D   (2) /* Directory. */
  44 #define FTW_DNR (3) /* Directory without read permission. */
  45 #define FTW_DP  (4) /* Directory with subdirectories visited. */
  46 #define FTW_NS  (5) /* Unknown type, stat() failed. */
  47 #define FTW_SL  (6) /* Symbolic link. */
  48 #define FTW_SLN (7) /* Symbolic link that names a non-existent file. */
  49
  50 /* Values of the fourth argument to nftw() */
  51 #define FTW_PHYS  (0x00000001) /* Physical walk, does not follow symbolic \
  52                                   links. Otherwise, nftw() will follow \
  53                                   links but will not walk down any path \
  54                                   that crosses itself. */
  55 #define FTW_MOUNT (0x00000002) /* The walk will not cross a mount point. */
  56 #define FTW_DEPTH (0x00000004) /* All subdirectories will be visited before \
  57                                   the directory itself. */
  58 #define FTW_CHDIR (0x00000008) /* The walk will change to each directory \
  59                                   before reading it. */
  60
  61 /* PROTOTYPES */
  62 int ftw(const char *,
  63     int (*)(const char *, const struct stat *, int), int);
  64 int nftw(const char *, int (*)
  65     (const char *, const struct stat *, int, struct FTW*),
  66     int, int);
  67
  68 /* MACROS */
  69
  70 #endif /* __FTW_H_INCLUDED__ */
  71
  72 /* EOF */
  73