1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/* Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
* X/Open Portability Guide 4.2: ftw.h
*/
#ifndef _FTW_H
#define _FTW_H 1
#include <features.h>
#include <sys/types.h>
#include <bits/stat.h>
__BEGIN_DECLS
/* Values for the FLAG argument to the user function passed to `ftw'
and 'nftw'. */
enum
{
FTW_F, /* Regular file. */
#define FTW_F FTW_F
FTW_D, /* Directory. */
#define FTW_D FTW_D
FTW_DNR, /* Unreadable directory. */
#define FTW_DNR FTW_DNR
FTW_NS, /* Unstatable file. */
#define FTW_NS FTW_NS
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
FTW_SL, /* Symbolic link. */
# define FTW_SL FTW_SL
#endif
#ifdef __USE_XOPEN_EXTENDED
/* These flags are only passed from the `nftw' function. */
FTW_DP, /* Directory, all subdirs have been visited. */
# define FTW_DP FTW_DP
FTW_SLN /* Symbolic link naming non-existing file. */
# define FTW_SLN FTW_SLN
#endif /* extended X/Open */
};
#ifdef __USE_XOPEN_EXTENDED
/* Flags for fourth argument of `nftw'. */
enum
{
FTW_PHYS = 1, /* Perform physical walk, ignore symlinks. */
# define FTW_PHYS FTW_PHYS
FTW_MOUNT = 2, /* Report only files on same file system as the
argument. */
# define FTW_MOUNT FTW_MOUNT
FTW_CHDIR = 4, /* Change to current directory while processing it. */
# define FTW_CHDIR FTW_CHDIR
FTW_DEPTH = 8 /* Report files in directory before directory itself.*/
# define FTW_DEPTH FTW_DEPTH
};
/* Structure used for fourth argument to callback function for `nftw'. */
struct FTW
{
int base;
int level;
};
#endif /* extended X/Open */
/* Convenient types for callback functions. */
typedef int (*__ftw_func_t) __P ((__const char *__filename,
__const struct stat *__status, int __flag));
typedef int (*__ftw64_func_t) __P ((__const char *__filename,
__const struct stat64 *__status,
int __flag));
#ifdef __USE_XOPEN_EXTENDED
typedef int (*__nftw_func_t) __P ((__const char *__filename,
__const struct stat *__status, int __flag,
struct FTW *__info));
typedef int (*__nftw64_func_t) __P ((__const char *__filename,
__const struct stat64 *__status,
int __flag, struct FTW *__info));
#endif
/* Call a function on every element in a directory tree. */
#ifndef __USE_FILE_OFFSET64
extern int ftw __P ((__const char *__dir, __ftw_func_t __func,
int __descriptors));
#else
extern int ftw __P ((__const char *__dir, __ftw64_func_t __func,
int __descriptors)) __asm__ ("ftw64");
#endif
#ifdef __USE_LARGEFILE64
extern int ftw64 __P ((__const char *__dir, __ftw64_func_t __func,
int __descriptors));
#endif
#ifdef __USE_XOPEN_EXTENDED
/* Call a function on every element in a directory tree. FLAG allows
to specify the behaviour more detailed. */
# ifndef __USE_FILE_OFFSET64
extern int nftw __P ((__const char *__dir, __nftw_func_t __func,
int __descriptors, int __flag));
# else
extern int nftw __P ((__const char *__dir, __nftw64_func_t __func,
int __descriptors, int __flag)) __asm__ ("nftw64");
# endif
# ifdef __USE_LARGEFILE64
extern int nftw64 __P ((__const char *__dir, __nftw64_func_t __func,
int __descriptors, int __flag));
# endif
#endif
__END_DECLS
#endif /* ftw.h */
|
