1 /* Copyright (C) 1992, 1996, 1997, 1998, 1999 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 Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 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 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
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. */
107 #ifndef __USE_FILE_OFFSET64
108 extern int ftw (__const
char *__dir
, __ftw_func_t __func
, int __descriptors
)
112 extern int __REDIRECT (ftw
, (__const
char *__dir
, __ftw_func_t __func
,
113 int __descriptors
) __THROW
, ftw64
);
118 #ifdef __USE_LARGEFILE64
119 extern int ftw64 (__const
char *__dir
, __ftw64_func_t __func
,
120 int __descriptors
) __THROW
;
123 #ifdef __USE_XOPEN_EXTENDED
124 /* Call a function on every element in a directory tree. FLAG allows
125 to specify the behaviour more detailed. */
126 # ifndef __USE_FILE_OFFSET64
127 extern int nftw (__const
char *__dir
, __nftw_func_t __func
, int __descriptors
,
131 extern int __REDIRECT (nftw
, (__const
char *__dir
, __nftw_func_t __func
,
132 int __descriptors
, int __flag
) __THROW
, nftw64
);
137 # ifdef __USE_LARGEFILE64
138 extern int nftw64 (__const
char *__dir
, __nftw64_func_t __func
,
139 int __descriptors
, int __flag
) __THROW
;