FreeBSD/Linux Kernel Cross Reference
sys/sys/stat.h
1 /* $NetBSD: stat.h,v 1.57.4.1 2009/12/18 06:12:51 snj Exp $ */
2
3 /*-
4 * Copyright (c) 1982, 1986, 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)stat.h 8.12 (Berkeley) 8/17/94
37 */
38
39 #ifndef _SYS_STAT_H_
40 #define _SYS_STAT_H_
41
42 #include <sys/featuretest.h>
43 #include <sys/types.h> /* XXX */
44
45 #if defined(_NETBSD_SOURCE)
46 #include <sys/time.h>
47 #endif
48
49 /*
50 * On systems with 8 byte longs and 4 byte time_ts, padding the time_ts
51 * is required in order to have a consistent ABI. This is because the
52 * stat structure used to contain timespecs, which had different
53 * alignment constraints than a time_t and a long alone. The padding
54 * should be removed the next time the stat structure ABI is changed.
55 * (This will happen whever we change to 8 byte time_t.)
56 */
57 #if defined(_LP64) /* XXXX && _BSD_TIME_T_ == int */
58 #define __STATPAD(x) int x;
59 #else
60 #define __STATPAD(x) /* nothing */
61 #endif
62
63 struct stat {
64 dev_t st_dev; /* inode's device */
65 mode_t st_mode; /* inode protection mode */
66 ino_t st_ino; /* inode's number */
67 nlink_t st_nlink; /* number of hard links */
68 uid_t st_uid; /* user ID of the file's owner */
69 gid_t st_gid; /* group ID of the file's group */
70 dev_t st_rdev; /* device type */
71 #if defined(_NETBSD_SOURCE)
72 struct timespec st_atimespec;/* time of last access */
73 struct timespec st_mtimespec;/* time of last data modification */
74 struct timespec st_ctimespec;/* time of last file status change */
75 struct timespec st_birthtimespec; /* time of creation */
76 #else
77 time_t st_atime; /* time of last access */
78 __STATPAD(__pad0)
79 long st_atimensec; /* nsec of last access */
80 time_t st_mtime; /* time of last data modification */
81 __STATPAD(__pad1)
82 long st_mtimensec; /* nsec of last data modification */
83 time_t st_ctime; /* time of last file status change */
84 __STATPAD(__pad2)
85 long st_ctimensec; /* nsec of last file status change */
86 time_t st_birthtime; /* time of creation */
87 __STATPAD(__pad3)
88 long st_birthtimensec; /* nsec of time of creation */
89 #endif
90 off_t st_size; /* file size, in bytes */
91 blkcnt_t st_blocks; /* blocks allocated for file */
92 blksize_t st_blksize; /* optimal blocksize for I/O */
93 uint32_t st_flags; /* user defined flags for file */
94 uint32_t st_gen; /* file generation number */
95 uint32_t st_spare[2];
96 };
97
98 #undef __STATPAD
99
100 #if defined(_NETBSD_SOURCE)
101 #define st_atime st_atimespec.tv_sec
102 #define st_atimensec st_atimespec.tv_nsec
103 #define st_mtime st_mtimespec.tv_sec
104 #define st_mtimensec st_mtimespec.tv_nsec
105 #define st_ctime st_ctimespec.tv_sec
106 #define st_ctimensec st_ctimespec.tv_nsec
107 #define st_birthtime st_birthtimespec.tv_sec
108 #define st_birthtimensec st_birthtimespec.tv_nsec
109 #endif
110
111 #define S_ISUID 0004000 /* set user id on execution */
112 #define S_ISGID 0002000 /* set group id on execution */
113 #if defined(_NETBSD_SOURCE)
114 #define S_ISTXT 0001000 /* sticky bit */
115 #endif
116
117 #define S_IRWXU 0000700 /* RWX mask for owner */
118 #define S_IRUSR 0000400 /* R for owner */
119 #define S_IWUSR 0000200 /* W for owner */
120 #define S_IXUSR 0000100 /* X for owner */
121
122 #if defined(_NETBSD_SOURCE)
123 #define S_IREAD S_IRUSR
124 #define S_IWRITE S_IWUSR
125 #define S_IEXEC S_IXUSR
126 #endif
127
128 #define S_IRWXG 0000070 /* RWX mask for group */
129 #define S_IRGRP 0000040 /* R for group */
130 #define S_IWGRP 0000020 /* W for group */
131 #define S_IXGRP 0000010 /* X for group */
132
133 #define S_IRWXO 0000007 /* RWX mask for other */
134 #define S_IROTH 0000004 /* R for other */
135 #define S_IWOTH 0000002 /* W for other */
136 #define S_IXOTH 0000001 /* X for other */
137
138 #define _S_IFMT 0170000 /* type of file mask */
139 #define _S_IFIFO 0010000 /* named pipe (fifo) */
140 #define _S_IFCHR 0020000 /* character special */
141 #define _S_IFDIR 0040000 /* directory */
142 #define _S_IFBLK 0060000 /* block special */
143 #define _S_IFREG 0100000 /* regular */
144 #define _S_IFLNK 0120000 /* symbolic link */
145 #define _S_ISVTX 0001000 /* save swapped text even after use */
146 #define _S_IFSOCK 0140000 /* socket */
147 #define _S_IFWHT 0160000 /* whiteout */
148 #define _S_ARCH1 0200000 /* Archive state 1, ls -l shows 'a' */
149 #define _S_ARCH2 0400000 /* Archive state 2, ls -l shows 'A' */
150
151 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
152 #define S_IFMT _S_IFMT
153 #define S_IFIFO _S_IFIFO
154 #define S_IFCHR _S_IFCHR
155 #define S_IFDIR _S_IFDIR
156 #define S_IFBLK _S_IFBLK
157 #define S_IFREG _S_IFREG
158 #define S_IFLNK _S_IFLNK
159 #define S_ISVTX _S_ISVTX
160 #endif
161 #if ((_XOPEN_SOURCE - 0) >= 600) || defined(_NETBSD_SOURCE)
162 #define S_IFSOCK _S_IFSOCK
163 #endif
164 #if defined(_NETBSD_SOURCE)
165 #define S_IFWHT _S_IFWHT
166
167 #define S_ARCH1 _S_ARCH1
168 #define S_ARCH2 _S_ARCH2
169 #endif
170
171 #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR) /* directory */
172 #define S_ISCHR(m) (((m) & _S_IFMT) == _S_IFCHR) /* char special */
173 #define S_ISBLK(m) (((m) & _S_IFMT) == _S_IFBLK) /* block special */
174 #define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG) /* regular file */
175 #define S_ISFIFO(m) (((m) & _S_IFMT) == _S_IFIFO) /* fifo */
176 #if ((_POSIX_C_SOURCE - 0) >= 200112L) || defined(_XOPEN_SOURCE) || \
177 defined(_NETBSD_SOURCE)
178 #define S_ISLNK(m) (((m) & _S_IFMT) == _S_IFLNK) /* symbolic link */
179 #endif
180 #if ((_POSIX_C_SOURCE - 0) >= 200112L) || ((_XOPEN_SOURCE - 0) >= 600) || \
181 defined(_NETBSD_SOURCE)
182 #define S_ISSOCK(m) (((m) & _S_IFMT) == _S_IFSOCK) /* socket */
183 #endif
184 #if defined(_NETBSD_SOURCE)
185 #define S_ISWHT(m) (((m) & _S_IFMT) == _S_IFWHT) /* whiteout */
186 #endif
187
188 #if defined(_NETBSD_SOURCE)
189 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
190 /* 7777 */
191 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
192 /* 0666 */
193 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
194
195 #define S_BLKSIZE 512 /* block size used in the stat struct */
196
197 /*
198 * Definitions of flags stored in file flags word.
199 *
200 * Super-user and owner changeable flags.
201 */
202 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
203 #define UF_NODUMP 0x00000001 /* do not dump file */
204 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */
205 #define UF_APPEND 0x00000004 /* writes to file may only append */
206 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
207 /* UF_NOUNLINK 0x00000010 [NOT IMPLEMENTED] */
208 /*
209 * Super-user changeable flags.
210 */
211 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
212 #define SF_ARCHIVED 0x00010000 /* file is archived */
213 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */
214 #define SF_APPEND 0x00040000 /* writes to file may only append */
215 /* SF_NOUNLINK 0x00100000 [NOT IMPLEMENTED] */
216 #define SF_SNAPSHOT 0x00200000 /* snapshot inode */
217 #define SF_LOG 0x00400000 /* WAPBL log file inode */
218
219 #ifdef _KERNEL
220 /*
221 * Shorthand abbreviations of above.
222 */
223 #define OPAQUE (UF_OPAQUE)
224 #define APPEND (UF_APPEND | SF_APPEND)
225 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
226 #endif /* _KERNEL */
227 #endif /* _NETBSD_SOURCE */
228
229 #if !defined(_KERNEL) && !defined(_STANDALONE)
230 #include <sys/cdefs.h>
231
232 __BEGIN_DECLS
233 int chmod(const char *, mode_t);
234 int mkdir(const char *, mode_t);
235 int mkfifo(const char *, mode_t);
236 #ifndef __LIBC12_SOURCE__
237 int stat(const char *, struct stat *) __RENAME(__stat30);
238 int fstat(int, struct stat *) __RENAME(__fstat30);
239 #endif
240 mode_t umask(mode_t);
241 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
242 int fchmod(int, mode_t);
243 #ifndef __LIBC12_SOURCE__
244 int lstat(const char *, struct stat *) __RENAME(__lstat30);
245 #endif
246 int mknod(const char *, mode_t, dev_t);
247 #endif /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */
248
249 #if defined(_NETBSD_SOURCE)
250 int chflags(const char *, unsigned long);
251 int fchflags(int, unsigned long);
252 int lchflags(const char *, unsigned long);
253 int lchmod(const char *, mode_t);
254 #endif /* defined(_NETBSD_SOURCE) */
255 __END_DECLS
256
257 #endif /* !_KERNEL && !_STANDALONE */
258 #endif /* !_SYS_STAT_H_ */
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