newlib/libc/include/ftw.h

   1 /*
   2 * Copyright © 2005-2020 Rich Felker, et al.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining
   5 * a copy of this software and associated documentation files (the
   6 * "Software"), to deal in the Software without restriction, including
   7 * without limitation the rights to use, copy, modify, merge, publish,
   8 * distribute, sublicense, and/or sell copies of the Software, and to
   9 * permit persons to whom the Software is furnished to do so, subject to
  10 * the following conditions:
  11 *
  12 * The above copyright notice and this permission notice shall be
  13 * included in all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 */
  23
  24 #ifndef _FTW_H
  25 #define _FTW_H
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31 #include <sys/features.h>
  32 #include <sys/stat.h>
  33
  34 /*
  35  * Valid flags for the 3rd argument to the function that is passed as the
  36  * second argument to ftw(3) and nftw(3).  Say it three times fast!
  37  */
  38 #define FTW_F           0       /* File.  */
  39 #define FTW_D           1       /* Directory.  */
  40 #define FTW_DNR         2       /* Directory without read permission.  */
  41 #define FTW_DP          3       /* Directory with subdirectories visited.  */
  42 #define FTW_NS          4       /* Unknown type; stat() failed.  */
  43 #define FTW_SL          5       /* Symbolic link.  */
  44 #define FTW_SLN         6       /* Sym link that names a nonexistent file.  */
  45
  46 /*
  47  * Flags for use as the 4th argument to nftw(3).  These may be ORed together.
  48  */
  49 #define FTW_PHYS        0x01    /* Physical walk, don't follow sym links.  */
  50 #define FTW_MOUNT       0x02    /* The walk does not cross a mount point.  */
  51 #define FTW_DEPTH       0x04    /* Subdirs visited before the dir itself. */
  52 #define FTW_CHDIR       0x08    /* Change to a directory before reading it. */
  53
  54 struct FTW {
  55         int base;
  56         int level;
  57 };
  58
  59 int ftw(const char *, int (*)(const char *, const struct stat *, int), int);
  60 int nftw(const char *, int (*)(const char *, const struct stat *, int, struct FTW *), int, int);
  61
  62 #ifdef __cplusplus
  63 }
  64 #endif
  65
  66 #endif