FreeBSD/Linux Kernel Cross Reference
sys/sys/stat.h
1 /*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)stat.h 8.12 (Berkeley) 6/16/95
39 * $FreeBSD$
40 */
41
42 #ifndef _SYS_STAT_H_
43 #define _SYS_STAT_H_
44
45 #if !defined(_KERNEL) && !defined(_POSIX_SOURCE)
46 /*
47 * XXX we need this for struct timespec. We get miscellaneous namespace
48 * pollution with it.
49 */
50 #include <sys/time.h>
51 #endif
52
53 #ifdef _KERNEL
54 #define __dev_t udev_t
55 #else
56 #define __dev_t dev_t
57 #endif
58
59 #ifndef _POSIX_SOURCE
60 struct ostat {
61 u_int16_t st_dev; /* inode's device */
62 ino_t st_ino; /* inode's number */
63 mode_t st_mode; /* inode protection mode */
64 nlink_t st_nlink; /* number of hard links */
65 u_int16_t st_uid; /* user ID of the file's owner */
66 u_int16_t st_gid; /* group ID of the file's group */
67 u_int16_t st_rdev; /* device type */
68 int32_t st_size; /* file size, in bytes */
69 struct timespec st_atimespec; /* time of last access */
70 struct timespec st_mtimespec; /* time of last data modification */
71 struct timespec st_ctimespec; /* time of last file status change */
72 int32_t st_blksize; /* optimal blocksize for I/O */
73 int32_t st_blocks; /* blocks allocated for file */
74 u_int32_t st_flags; /* user defined flags for file */
75 u_int32_t st_gen; /* file generation number */
76 };
77 #endif /* !_POSIX_SOURCE */
78
79 struct stat {
80 __dev_t st_dev; /* inode's device */
81 ino_t st_ino; /* inode's number */
82 mode_t st_mode; /* inode protection mode */
83 nlink_t st_nlink; /* number of hard links */
84 uid_t st_uid; /* user ID of the file's owner */
85 gid_t st_gid; /* group ID of the file's group */
86 __dev_t st_rdev; /* device type */
87 #ifndef _POSIX_SOURCE
88 struct timespec st_atimespec; /* time of last access */
89 struct timespec st_mtimespec; /* time of last data modification */
90 struct timespec st_ctimespec; /* time of last file status change */
91 #else
92 time_t st_atime; /* time of last access */
93 long st_atimensec; /* nsec of last access */
94 time_t st_mtime; /* time of last data modification */
95 long st_mtimensec; /* nsec of last data modification */
96 time_t st_ctime; /* time of last file status change */
97 long st_ctimensec; /* nsec of last file status change */
98 #endif
99 off_t st_size; /* file size, in bytes */
100 int64_t st_blocks; /* blocks allocated for file */
101 u_int32_t st_blksize; /* optimal blocksize for I/O */
102 u_int32_t st_flags; /* user defined flags for file */
103 u_int32_t st_gen; /* file generation number */
104 int32_t st_lspare;
105 int64_t st_qspare[2];
106 };
107
108 #ifndef _POSIX_SOURCE
109 struct nstat {
110 __dev_t st_dev; /* inode's device */
111 ino_t st_ino; /* inode's number */
112 u_int32_t st_mode; /* inode protection mode */
113 u_int32_t st_nlink; /* number of hard links */
114 uid_t st_uid; /* user ID of the file's owner */
115 gid_t st_gid; /* group ID of the file's group */
116 __dev_t st_rdev; /* device type */
117 #ifndef _POSIX_SOURCE
118 struct timespec st_atimespec; /* time of last access */
119 struct timespec st_mtimespec; /* time of last data modification */
120 struct timespec st_ctimespec; /* time of last file status change */
121 #else
122 time_t st_atime; /* time of last access */
123 long st_atimensec; /* nsec of last access */
124 time_t st_mtime; /* time of last data modification */
125 long st_mtimensec; /* nsec of last data modification */
126 time_t st_ctime; /* time of last file status change */
127 long st_ctimensec; /* nsec of last file status change */
128 #endif
129 off_t st_size; /* file size, in bytes */
130 int64_t st_blocks; /* blocks allocated for file */
131 u_int32_t st_blksize; /* optimal blocksize for I/O */
132 u_int32_t st_flags; /* user defined flags for file */
133 u_int32_t st_gen; /* file generation number */
134 int64_t st_qspare[2];
135 };
136 #endif
137
138 #undef __dev_t
139
140 #ifndef _POSIX_SOURCE
141 #define st_atime st_atimespec.tv_sec
142 #define st_mtime st_mtimespec.tv_sec
143 #define st_ctime st_ctimespec.tv_sec
144 #endif
145
146 #define S_ISUID 0004000 /* set user id on execution */
147 #define S_ISGID 0002000 /* set group id on execution */
148 #ifndef _POSIX_SOURCE
149 #define S_ISTXT 0001000 /* sticky bit */
150 #endif
151
152 #define S_IRWXU 0000700 /* RWX mask for owner */
153 #define S_IRUSR 0000400 /* R for owner */
154 #define S_IWUSR 0000200 /* W for owner */
155 #define S_IXUSR 0000100 /* X for owner */
156
157 #ifndef _POSIX_SOURCE
158 #define S_IREAD S_IRUSR
159 #define S_IWRITE S_IWUSR
160 #define S_IEXEC S_IXUSR
161 #endif
162
163 #define S_IRWXG 0000070 /* RWX mask for group */
164 #define S_IRGRP 0000040 /* R for group */
165 #define S_IWGRP 0000020 /* W for group */
166 #define S_IXGRP 0000010 /* X for group */
167
168 #define S_IRWXO 0000007 /* RWX mask for other */
169 #define S_IROTH 0000004 /* R for other */
170 #define S_IWOTH 0000002 /* W for other */
171 #define S_IXOTH 0000001 /* X for other */
172
173 #ifndef _POSIX_SOURCE
174 #define S_IFMT 0170000 /* type of file mask */
175 #define S_IFIFO 0010000 /* named pipe (fifo) */
176 #define S_IFCHR 0020000 /* character special */
177 #define S_IFDIR 0040000 /* directory */
178 #define S_IFBLK 0060000 /* block special */
179 #define S_IFREG 0100000 /* regular */
180 #define S_IFLNK 0120000 /* symbolic link */
181 #define S_IFSOCK 0140000 /* socket */
182 #define S_IFWHT 0160000 /* whiteout */
183 #define S_ISVTX 0001000 /* save swapped text even after use */
184 #endif
185
186 #define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */
187 #define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */
188 #define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */
189 #define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */
190 #define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */
191 #ifndef _POSIX_SOURCE
192 #define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */
193 #define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */
194 #define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */
195 #endif
196
197 #ifndef _POSIX_SOURCE
198 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
199 /* 7777 */
200 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
201 /* 0666 */
202 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
203
204 #define S_BLKSIZE 512 /* block size used in the stat struct */
205
206 /*
207 * Definitions of flags stored in file flags word.
208 *
209 * Super-user and owner changeable flags.
210 */
211 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
212 #define UF_NODUMP 0x00000001 /* do not dump file */
213 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */
214 #define UF_APPEND 0x00000004 /* writes to file may only append */
215 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
216 #define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */
217 /*
218 * Super-user changeable flags.
219 */
220 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
221 #define SF_ARCHIVED 0x00010000 /* file is archived */
222 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */
223 #define SF_APPEND 0x00040000 /* writes to file may only append */
224 #define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */
225
226 #ifdef _KERNEL
227 /*
228 * Shorthand abbreviations of above.
229 */
230 #define OPAQUE (UF_OPAQUE)
231 #define APPEND (UF_APPEND | SF_APPEND)
232 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
233 #define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK)
234 #endif
235
236 #endif /* !_POSIX_SOURCE */
237
238 #ifndef _KERNEL
239 #include <sys/cdefs.h>
240
241 __BEGIN_DECLS
242 int chmod __P((const char *, mode_t));
243 int fstat __P((int, struct stat *));
244 int mkdir __P((const char *, mode_t));
245 int mkfifo __P((const char *, mode_t));
246 int stat __P((const char *, struct stat *));
247 mode_t umask __P((mode_t));
248
249 #ifndef _POSIX_SOURCE
250 int chflags __P((const char *, u_long));
251 int fchflags __P((int, u_long));
252 int fchmod __P((int, mode_t));
253 int lchmod __P((const char *, mode_t));
254 int lstat __P((const char *, struct stat *));
255 #endif
256 __END_DECLS
257
258 #endif /* !_KERNEL */
259
260 #endif /* !_SYS_STAT_H_ */
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