/
stat.h
251 lines (228 loc) · 9.51 KB
/
stat.h
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
/*-
* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)stat.h 8.12 (Berkeley) 6/16/95
* $Id: stat.h,v 1.15 1998/05/11 03:55:13 dyson Exp $
*/
#ifndef _SYS_STAT_H_
#define _SYS_STAT_H_
#if !defined(KERNEL) && !defined(_POSIX_SOURCE)
/*
* XXX we need this for struct timespec. We get miscellaneous namespace
* pollution with it.
*/
#include <sys/time.h>
#endif
#ifndef _POSIX_SOURCE
struct ostat {
u_int16_t st_dev; /* inode's device */
ino_t st_ino; /* inode's number */
mode_t st_mode; /* inode protection mode */
nlink_t st_nlink; /* number of hard links */
u_int16_t st_uid; /* user ID of the file's owner */
u_int16_t st_gid; /* group ID of the file's group */
u_int16_t st_rdev; /* device type */
int32_t st_size; /* file size, in bytes */
struct timespec st_atimespec; /* time of last access */
struct timespec st_mtimespec; /* time of last data modification */
struct timespec st_ctimespec; /* time of last file status change */
int32_t st_blksize; /* optimal blocksize for I/O */
int32_t st_blocks; /* blocks allocated for file */
u_int32_t st_flags; /* user defined flags for file */
u_int32_t st_gen; /* file generation number */
};
#endif /* !_POSIX_SOURCE */
struct stat {
dev_t st_dev; /* inode's device */
ino_t st_ino; /* inode's number */
mode_t st_mode; /* inode protection mode */
nlink_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of the file's owner */
gid_t st_gid; /* group ID of the file's group */
dev_t st_rdev; /* device type */
#ifndef _POSIX_SOURCE
struct timespec st_atimespec; /* time of last access */
struct timespec st_mtimespec; /* time of last data modification */
struct timespec st_ctimespec; /* time of last file status change */
#else
time_t st_atime; /* time of last access */
long st_atimensec; /* nsec of last access */
time_t st_mtime; /* time of last data modification */
long st_mtimensec; /* nsec of last data modification */
time_t st_ctime; /* time of last file status change */
long st_ctimensec; /* nsec of last file status change */
#endif
off_t st_size; /* file size, in bytes */
int64_t st_blocks; /* blocks allocated for file */
u_int32_t st_blksize; /* optimal blocksize for I/O */
u_int32_t st_flags; /* user defined flags for file */
u_int32_t st_gen; /* file generation number */
int32_t st_lspare;
int64_t st_qspare[2];
};
#ifndef _POSIX_SOURCE
struct nstat {
dev_t st_dev; /* inode's device */
ino_t st_ino; /* inode's number */
u_int32_t st_mode; /* inode protection mode */
u_int32_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of the file's owner */
gid_t st_gid; /* group ID of the file's group */
dev_t st_rdev; /* device type */
#ifndef _POSIX_SOURCE
struct timespec st_atimespec; /* time of last access */
struct timespec st_mtimespec; /* time of last data modification */
struct timespec st_ctimespec; /* time of last file status change */
#else
time_t st_atime; /* time of last access */
long st_atimensec; /* nsec of last access */
time_t st_mtime; /* time of last data modification */
long st_mtimensec; /* nsec of last data modification */
time_t st_ctime; /* time of last file status change */
long st_ctimensec; /* nsec of last file status change */
#endif
off_t st_size; /* file size, in bytes */
int64_t st_blocks; /* blocks allocated for file */
u_int32_t st_blksize; /* optimal blocksize for I/O */
u_int32_t st_flags; /* user defined flags for file */
u_int32_t st_gen; /* file generation number */
int64_t st_qspare[2];
};
#endif
#ifndef _POSIX_SOURCE
#define st_atime st_atimespec.tv_sec
#define st_mtime st_mtimespec.tv_sec
#define st_ctime st_ctimespec.tv_sec
#endif
#define S_ISUID 0004000 /* set user id on execution */
#define S_ISGID 0002000 /* set group id on execution */
#ifndef _POSIX_SOURCE
#define S_ISTXT 0001000 /* sticky bit */
#endif
#define S_IRWXU 0000700 /* RWX mask for owner */
#define S_IRUSR 0000400 /* R for owner */
#define S_IWUSR 0000200 /* W for owner */
#define S_IXUSR 0000100 /* X for owner */
#ifndef _POSIX_SOURCE
#define S_IREAD S_IRUSR
#define S_IWRITE S_IWUSR
#define S_IEXEC S_IXUSR
#endif
#define S_IRWXG 0000070 /* RWX mask for group */
#define S_IRGRP 0000040 /* R for group */
#define S_IWGRP 0000020 /* W for group */
#define S_IXGRP 0000010 /* X for group */
#define S_IRWXO 0000007 /* RWX mask for other */
#define S_IROTH 0000004 /* R for other */
#define S_IWOTH 0000002 /* W for other */
#define S_IXOTH 0000001 /* X for other */
#ifndef _POSIX_SOURCE
#define S_IFMT 0170000 /* type of file mask */
#define S_IFIFO 0010000 /* named pipe (fifo) */
#define S_IFCHR 0020000 /* character special */
#define S_IFDIR 0040000 /* directory */
#define S_IFBLK 0060000 /* block special */
#define S_IFREG 0100000 /* regular */
#define S_IFLNK 0120000 /* symbolic link */
#define S_IFSOCK 0140000 /* socket */
#define S_IFWHT 0160000 /* whiteout */
#define S_ISVTX 0001000 /* save swapped text even after use */
#endif
#define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */
#define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */
#define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */
#define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */
#define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */
#ifndef _POSIX_SOURCE
#define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */
#define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */
#define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */
#endif
#ifndef _POSIX_SOURCE
#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
/* 7777 */
#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
/* 0666 */
#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#define S_BLKSIZE 512 /* block size used in the stat struct */
/*
* Definitions of flags stored in file flags word.
*
* Super-user and owner changeable flags.
*/
#define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
#define UF_NODUMP 0x00000001 /* do not dump file */
#define UF_IMMUTABLE 0x00000002 /* file may not be changed */
#define UF_APPEND 0x00000004 /* writes to file may only append */
#define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
#define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */
/*
* Super-user changeable flags.
*/
#define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
#define SF_ARCHIVED 0x00010000 /* file is archived */
#define SF_IMMUTABLE 0x00020000 /* file may not be changed */
#define SF_APPEND 0x00040000 /* writes to file may only append */
#define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */
#ifdef KERNEL
/*
* Shorthand abbreviations of above.
*/
#define OPAQUE (UF_OPAQUE)
#define APPEND (UF_APPEND | SF_APPEND)
#define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
#define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK)
#endif
#endif /* !_POSIX_SOURCE */
#ifndef KERNEL
#include <sys/cdefs.h>
__BEGIN_DECLS
int chmod __P((const char *, mode_t));
int fstat __P((int, struct stat *));
int mkdir __P((const char *, mode_t));
int mkfifo __P((const char *, mode_t));
int stat __P((const char *, struct stat *));
mode_t umask __P((mode_t));
#ifndef _POSIX_SOURCE
int chflags __P((const char *, u_long));
int fchflags __P((int, u_long));
int fchmod __P((int, mode_t));
int lstat __P((const char *, struct stat *));
#endif
__END_DECLS
#endif /* !KERNEL */
#endif /* !_SYS_STAT_H_ */