1
/* Copyright (C) 1992,1996,1997,1998,1999,2003 Free Software Foundation, Inc.
2
This file is part of the GNU C Library.
4
The GNU C Library is free software; you can redistribute it and/or
5
modify it under the terms of the GNU Lesser General Public
6
License as published by the Free Software Foundation; either
7
version 2.1 of the License, or (at your option) any later version.
9
The GNU C Library is distributed in the hope that it will be useful,
10
but WITHOUT ANY WARRANTY; without even the implied warranty of
11
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12
Lesser General Public License for more details.
14
You should have received a copy of the GNU Lesser General Public
15
License along with the GNU C Library; if not, write to the Free
16
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20
* X/Open Portability Guide 4.2: ftw.h
28
#include <sys/types.h>
34
/* Values for the FLAG argument to the user function passed to `ftw'
38
FTW_F, /* Regular file. */
40
FTW_D, /* Directory. */
42
FTW_DNR, /* Unreadable directory. */
43
#define FTW_DNR FTW_DNR
44
FTW_NS, /* Unstatable file. */
47
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
49
FTW_SL, /* Symbolic link. */
50
# define FTW_SL FTW_SL
53
#ifdef __USE_XOPEN_EXTENDED
54
/* These flags are only passed from the `nftw' function. */
55
FTW_DP, /* Directory, all subdirs have been visited. */
56
# define FTW_DP FTW_DP
57
FTW_SLN /* Symbolic link naming non-existing file. */
58
# define FTW_SLN FTW_SLN
60
#endif /* extended X/Open */
64
#ifdef __USE_XOPEN_EXTENDED
65
/* Flags for fourth argument of `nftw'. */
68
FTW_PHYS = 1, /* Perform physical walk, ignore symlinks. */
69
# define FTW_PHYS FTW_PHYS
70
FTW_MOUNT = 2, /* Report only files on same file system as the
72
# define FTW_MOUNT FTW_MOUNT
73
FTW_CHDIR = 4, /* Change to current directory while processing it. */
74
# define FTW_CHDIR FTW_CHDIR
75
FTW_DEPTH = 8 /* Report files in directory before directory itself.*/
76
# define FTW_DEPTH FTW_DEPTH
79
/* Structure used for fourth argument to callback function for `nftw'. */
85
#endif /* extended X/Open */
88
/* Convenient types for callback functions. */
89
typedef int (*__ftw_func_t) (__const char *__filename,
90
__const struct stat *__status, int __flag);
91
#ifdef __USE_LARGEFILE64
92
typedef int (*__ftw64_func_t) (__const char *__filename,
93
__const struct stat64 *__status, int __flag);
95
#ifdef __USE_XOPEN_EXTENDED
96
typedef int (*__nftw_func_t) (__const char *__filename,
97
__const struct stat *__status, int __flag,
99
# ifdef __USE_LARGEFILE64
100
typedef int (*__nftw64_func_t) (__const char *__filename,
101
__const struct stat64 *__status,
102
int __flag, struct FTW *__info);
106
/* Call a function on every element in a directory tree.
108
This function is a possible cancellation point and therefore not
109
marked with __THROW. */
110
#ifndef __USE_FILE_OFFSET64
111
extern int ftw (__const char *__dir, __ftw_func_t __func, int __descriptors);
114
extern int __REDIRECT (ftw, (__const char *__dir, __ftw_func_t __func,
115
int __descriptors), ftw64);
120
#ifdef __USE_LARGEFILE64
121
extern int ftw64 (__const char *__dir, __ftw64_func_t __func,
125
#ifdef __USE_XOPEN_EXTENDED
126
/* Call a function on every element in a directory tree. FLAG allows
127
to specify the behaviour more detailed.
129
This function is a possible cancellation point and therefore not
130
marked with __THROW. */
131
# ifndef __USE_FILE_OFFSET64
132
extern int nftw (__const char *__dir, __nftw_func_t __func, int __descriptors,
136
extern int __REDIRECT (nftw, (__const char *__dir, __nftw_func_t __func,
137
int __descriptors, int __flag), nftw64);
142
# ifdef __USE_LARGEFILE64
143
extern int nftw64 (__const char *__dir, __nftw64_func_t __func,
144
int __descriptors, int __flag);