1 | /* $NetBSD: stat.h,v 1.68 2013/10/17 18:01:11 njoly 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 (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ |
46 | defined(_NETBSD_SOURCE) |
47 | /* |
48 | * POSIX:2008 / XPG7 requires struct timespec to be declared in |
49 | * this header, but does not provide the usual exemption |
50 | * "inclusion of this header may make visible symbols defined in <time.h>". |
51 | * |
52 | * This is a Standard omission, acknowledged by the committee and |
53 | * scheduled to be corrected in Technical Corrigendum 2, according to |
54 | * http://austingroupbugs.net/view.php?id=531 |
55 | */ |
56 | #include <sys/time.h> |
57 | #endif |
58 | |
59 | struct stat { |
60 | dev_t st_dev; /* inode's device */ |
61 | mode_t st_mode; /* inode protection mode */ |
62 | ino_t st_ino; /* inode's number */ |
63 | nlink_t st_nlink; /* number of hard links */ |
64 | uid_t st_uid; /* user ID of the file's owner */ |
65 | gid_t st_gid; /* group ID of the file's group */ |
66 | dev_t st_rdev; /* device type */ |
67 | #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ |
68 | defined(_NETBSD_SOURCE) |
69 | struct timespec st_atim; /* time of last access */ |
70 | struct timespec st_mtim; /* time of last data modification */ |
71 | struct timespec st_ctim; /* time of last file status change */ |
72 | struct timespec st_birthtim; /* time of creation */ |
73 | #else |
74 | time_t st_atime; /* time of last access */ |
75 | long st_atimensec; /* nsec of last access */ |
76 | time_t st_mtime; /* time of last data modification */ |
77 | long st_mtimensec; /* nsec of last data modification */ |
78 | time_t st_ctime; /* time of last file status change */ |
79 | long st_ctimensec; /* nsec of last file status change */ |
80 | time_t st_birthtime; /* time of creation */ |
81 | long st_birthtimensec; /* nsec of time of creation */ |
82 | #endif |
83 | off_t st_size; /* file size, in bytes */ |
84 | blkcnt_t st_blocks; /* blocks allocated for file */ |
85 | blksize_t st_blksize; /* optimal blocksize for I/O */ |
86 | uint32_t st_flags; /* user defined flags for file */ |
87 | uint32_t st_gen; /* file generation number */ |
88 | uint32_t st_spare[2]; |
89 | }; |
90 | |
91 | #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ |
92 | defined(_NETBSD_SOURCE) |
93 | /* Standard-mandated compatibility */ |
94 | #define st_atime st_atim.tv_sec |
95 | #define st_mtime st_mtim.tv_sec |
96 | #define st_ctime st_ctim.tv_sec |
97 | #define st_birthtime st_birthtim.tv_sec |
98 | #endif |
99 | |
100 | #if defined(_NETBSD_SOURCE) |
101 | #define st_atimespec st_atim |
102 | #define st_atimensec st_atim.tv_nsec |
103 | #define st_mtimespec st_mtim |
104 | #define st_mtimensec st_mtim.tv_nsec |
105 | #define st_ctimespec st_ctim |
106 | #define st_ctimensec st_ctim.tv_nsec |
107 | #define st_birthtimespec st_birthtim |
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 | #define SF_SNAPINVAL 0x00800000 /* snapshot is invalid */ |
219 | |
220 | #ifdef _KERNEL |
221 | /* |
222 | * Shorthand abbreviations of above. |
223 | */ |
224 | #define OPAQUE (UF_OPAQUE) |
225 | #define APPEND (UF_APPEND | SF_APPEND) |
226 | #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE) |
227 | #endif /* _KERNEL */ |
228 | #endif /* _NETBSD_SOURCE */ |
229 | |
230 | #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ |
231 | defined(_NETBSD_SOURCE) |
232 | /* |
233 | * Special values for utimensat and futimens |
234 | */ |
235 | #define UTIME_NOW ((1 << 30) - 1) |
236 | #define UTIME_OMIT ((1 << 30) - 2) |
237 | #endif |
238 | |
239 | #if !defined(_KERNEL) && !defined(_STANDALONE) |
240 | #include <sys/cdefs.h> |
241 | |
242 | __BEGIN_DECLS |
243 | int chmod(const char *, mode_t); |
244 | int mkdir(const char *, mode_t); |
245 | int mkfifo(const char *, mode_t); |
246 | #ifndef __LIBC12_SOURCE__ |
247 | int stat(const char *, struct stat *) __RENAME(__stat50); |
248 | int fstat(int, struct stat *) __RENAME(__fstat50); |
249 | #endif |
250 | mode_t umask(mode_t); |
251 | #if (_POSIX_C_SOURCE - 0) >= 200112L || defined(_XOPEN_SOURCE) || \ |
252 | defined(_NETBSD_SOURCE) |
253 | #ifndef __LIBC12_SOURCE__ |
254 | int lstat(const char *, struct stat *) __RENAME(__lstat50); |
255 | #endif |
256 | #endif /* _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE || _NETBSD_SOURCE */ |
257 | #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) |
258 | int fchmod(int, mode_t); |
259 | #ifndef __LIBC12_SOURCE__ |
260 | int mknod(const char *, mode_t, dev_t) __RENAME(__mknod50); |
261 | #endif |
262 | #endif /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */ |
263 | |
264 | #if defined(_NETBSD_SOURCE) |
265 | int chflags(const char *, unsigned long); |
266 | int fchflags(int, unsigned long); |
267 | int lchflags(const char *, unsigned long); |
268 | int lchmod(const char *, mode_t); |
269 | #endif /* defined(_NETBSD_SOURCE) */ |
270 | |
271 | #ifndef __LIBC12_SOURCE__ |
272 | /* |
273 | * X/Open Extended API set 2 (a.k.a. C063) |
274 | */ |
275 | #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ |
276 | defined(_NETBSD_SOURCE) || defined(_INCOMPLETE_XOPEN_C063) |
277 | int fchmodat(int, const char *, mode_t, int); |
278 | int fstatat(int, const char *, struct stat *, int); |
279 | int mkdirat(int, const char *, mode_t); |
280 | int mkfifoat(int, const char *, mode_t); |
281 | int mknodat(int, const char *, mode_t, dev_t); |
282 | int utimensat(int, const char *, const struct timespec *, int); |
283 | #endif |
284 | |
285 | #ifdef _NETBSD_SOURCE |
286 | int utimens(const char *, const struct timespec *); |
287 | int lutimens(const char *, const struct timespec *); |
288 | #endif |
289 | |
290 | #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ |
291 | defined(_NETBSD_SOURCE) |
292 | int futimens(int, const struct timespec *); |
293 | #endif |
294 | #endif |
295 | |
296 | __END_DECLS |
297 | |
298 | #endif /* !_KERNEL && !_STANDALONE */ |
299 | #endif /* !_SYS_STAT_H_ */ |
300 | |