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
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8 * the permission of UNIX System Laboratories, Inc.
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38 * @(#)stat.h 8.12 (Berkeley) 6/16/95
45 #include <sys/cdefs.h>
46 #include <sys/_types.h>
48 #ifndef _FFLAGS_T_DECLARED
49 typedef __fflags_t fflags_t; /* file flags */
50 #define _FFLAGS_T_DECLARED
53 #if !defined(_KERNEL) && !defined(_POSIX_SOURCE)
55 * XXX we need this for struct timespec. We get miscellaneous namespace
62 #include <sys/_timespec.h>
66 #define __dev_t udev_t
73 u_int16_t st_dev; /* inode's device */
74 ino_t st_ino; /* inode's number */
75 mode_t st_mode; /* inode protection mode */
76 nlink_t st_nlink; /* number of hard links */
77 u_int16_t st_uid; /* user ID of the file's owner */
78 u_int16_t st_gid; /* group ID of the file's group */
79 u_int16_t st_rdev; /* device type */
80 int32_t st_size; /* file size, in bytes */
81 struct timespec st_atimespec; /* time of last access */
82 struct timespec st_mtimespec; /* time of last data modification */
83 struct timespec st_ctimespec; /* time of last file status change */
84 int32_t st_blksize; /* optimal blocksize for I/O */
85 int32_t st_blocks; /* blocks allocated for file */
86 fflags_t st_flags; /* user defined flags for file */
87 u_int32_t st_gen; /* file generation number */
89 #endif /* !_POSIX_SOURCE */
92 __dev_t st_dev; /* inode's device */
93 ino_t st_ino; /* inode's number */
94 mode_t st_mode; /* inode protection mode */
95 nlink_t st_nlink; /* number of hard links */
96 uid_t st_uid; /* user ID of the file's owner */
97 gid_t st_gid; /* group ID of the file's group */
98 __dev_t st_rdev; /* device type */
100 struct timespec st_atimespec; /* time of last access */
101 struct timespec st_mtimespec; /* time of last data modification */
102 struct timespec st_ctimespec; /* time of last file status change */
104 time_t st_atime; /* time of last access */
105 long st_atimensec; /* nsec of last access */
106 time_t st_mtime; /* time of last data modification */
107 long st_mtimensec; /* nsec of last data modification */
108 time_t st_ctime; /* time of last file status change */
109 long st_ctimensec; /* nsec of last file status change */
111 off_t st_size; /* file size, in bytes */
112 int64_t st_blocks; /* blocks allocated for file */
113 u_int32_t st_blksize; /* optimal blocksize for I/O */
114 fflags_t st_flags; /* user defined flags for file */
115 u_int32_t st_gen; /* file generation number */
117 #ifndef _POSIX_SOURCE
118 struct timespec st_birthtimespec; /* time of file creation */
120 * Explicitly pad st_birthtimespec to 16 bytes so that the size of
121 * struct stat is backwards compatible. We use bitfields instead
122 * of an array of chars so that this doesn't require a C99 compiler
123 * to compile if the size of the padding is 0. We use 2 bitfields
124 * to cover up to 64 bits on 32-bit machines. We assume that
127 int :(8 / 2) * (16 - (int)sizeof(struct timespec));
128 int :(8 / 2) * (16 - (int)sizeof(struct timespec));
130 time_t st_birthtime; /* time of file creation */
131 long st_birthtimensec; /* nsec of file creation */
132 int :(8 / 2) * (16 - (int)sizeof(struct __timespec));
133 int :(8 / 2) * (16 - (int)sizeof(struct __timespec));
137 #ifndef _POSIX_SOURCE
139 __dev_t st_dev; /* inode's device */
140 ino_t st_ino; /* inode's number */
141 u_int32_t st_mode; /* inode protection mode */
142 u_int32_t st_nlink; /* number of hard links */
143 uid_t st_uid; /* user ID of the file's owner */
144 gid_t st_gid; /* group ID of the file's group */
145 __dev_t st_rdev; /* device type */
146 struct timespec st_atimespec; /* time of last access */
147 struct timespec st_mtimespec; /* time of last data modification */
148 struct timespec st_ctimespec; /* time of last file status change */
149 off_t st_size; /* file size, in bytes */
150 int64_t st_blocks; /* blocks allocated for file */
151 u_int32_t st_blksize; /* optimal blocksize for I/O */
152 fflags_t st_flags; /* user defined flags for file */
153 u_int32_t st_gen; /* file generation number */
154 struct timespec st_birthtimespec; /* time of file creation */
156 * See above about the following padding.
158 int :(8 / 2) * (16 - (int)sizeof(struct timespec));
159 int :(8 / 2) * (16 - (int)sizeof(struct timespec));
165 #ifndef _POSIX_SOURCE
166 #define st_atime st_atimespec.tv_sec
167 #define st_mtime st_mtimespec.tv_sec
168 #define st_ctime st_ctimespec.tv_sec
169 #define st_birthtime st_birthtimespec.tv_sec
172 #define S_ISUID 0004000 /* set user id on execution */
173 #define S_ISGID 0002000 /* set group id on execution */
174 #ifndef _POSIX_SOURCE
175 #define S_ISTXT 0001000 /* sticky bit */
178 #define S_IRWXU 0000700 /* RWX mask for owner */
179 #define S_IRUSR 0000400 /* R for owner */
180 #define S_IWUSR 0000200 /* W for owner */
181 #define S_IXUSR 0000100 /* X for owner */
183 #ifndef _POSIX_SOURCE
184 #define S_IREAD S_IRUSR
185 #define S_IWRITE S_IWUSR
186 #define S_IEXEC S_IXUSR
189 #define S_IRWXG 0000070 /* RWX mask for group */
190 #define S_IRGRP 0000040 /* R for group */
191 #define S_IWGRP 0000020 /* W for group */
192 #define S_IXGRP 0000010 /* X for group */
194 #define S_IRWXO 0000007 /* RWX mask for other */
195 #define S_IROTH 0000004 /* R for other */
196 #define S_IWOTH 0000002 /* W for other */
197 #define S_IXOTH 0000001 /* X for other */
199 #ifndef _POSIX_SOURCE
200 #define S_IFMT 0170000 /* type of file mask */
201 #define S_IFIFO 0010000 /* named pipe (fifo) */
202 #define S_IFCHR 0020000 /* character special */
203 #define S_IFDIR 0040000 /* directory */
204 #define S_IFBLK 0060000 /* block special */
205 #define S_IFREG 0100000 /* regular */
206 #define S_IFLNK 0120000 /* symbolic link */
207 #define S_IFSOCK 0140000 /* socket */
208 #define S_IFWHT 0160000 /* whiteout */
209 #define S_ISVTX 0001000 /* save swapped text even after use */
212 #define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */
213 #define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */
214 #define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */
215 #define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */
216 #define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */
217 #ifndef _POSIX_SOURCE
218 #define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */
219 #define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */
220 #define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */
223 #ifndef _POSIX_SOURCE
224 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
226 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
228 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
230 #define S_BLKSIZE 512 /* block size used in the stat struct */
233 * Definitions of flags stored in file flags word.
235 * Super-user and owner changeable flags.
237 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
238 #define UF_NODUMP 0x00000001 /* do not dump file */
239 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */
240 #define UF_APPEND 0x00000004 /* writes to file may only append */
241 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
242 #define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */
244 * Super-user changeable flags.
246 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
247 #define SF_ARCHIVED 0x00010000 /* file is archived */
248 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */
249 #define SF_APPEND 0x00040000 /* writes to file may only append */
250 #define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */
251 #define SF_SNAPSHOT 0x00200000 /* snapshot inode */
255 * Shorthand abbreviations of above.
257 #define OPAQUE (UF_OPAQUE)
258 #define APPEND (UF_APPEND | SF_APPEND)
259 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
260 #define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK)
263 #endif /* !_POSIX_SOURCE */
267 int chmod(const char *, mode_t);
268 int fstat(int, struct stat *);
269 int mkdir(const char *, mode_t);
270 int mkfifo(const char *, mode_t);
271 int stat(const char *, struct stat *);
272 mode_t umask(mode_t);
274 #ifndef _POSIX_SOURCE
275 int chflags(const char *, u_long);
276 int lchflags(const char *, int);
277 int fchflags(int, u_long);
278 int fchmod(int, mode_t);
279 int lchmod(const char *, mode_t);
280 int lstat(const char *, struct stat *);
284 #endif /* !_KERNEL */
286 #endif /* !_SYS_STAT_H_ */