2 * Copyright (c) 1982, 1986, 1989, 1993
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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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34 * @(#)stat.h 8.12 (Berkeley) 6/16/95
35 * $FreeBSD: src/sys/sys/stat.h,v 1.20 1999/12/29 04:24:47 peter Exp $
36 * $DragonFly: src/sys/sys/stat.h,v 1.8 2005/08/25 18:34:17 dillon Exp $
42 #if !defined(_KERNEL) && !defined(_POSIX_SOURCE)
44 * XXX we need this for struct timespec. We get miscellaneous namespace
51 #define __dev_t udev_t
57 * stat structure notes:
59 * (1) st_fsmid (DragonFly only). This is a DragonFly supported field that
60 * is incremented if the represented file or directory changes or, for
61 * directories, if any change is made within the directory or any sub-
62 * directory, recursively.
65 ino_t st_ino; /* inode's number */
66 nlink_t st_nlink; /* number of hard links */
67 __dev_t st_dev; /* inode's device */
68 mode_t st_mode; /* inode protection mode */
70 uid_t st_uid; /* user ID of the file's owner */
71 gid_t st_gid; /* group ID of the file's group */
72 __dev_t st_rdev; /* device type */
74 struct timespec st_atimespec; /* time of last access */
75 struct timespec st_mtimespec; /* time of last data modification */
76 struct timespec st_ctimespec; /* time of last file status change */
78 time_t st_atime; /* time of last access */
79 long st_atimensec; /* nsec of last access */
80 time_t st_mtime; /* time of last data modification */
81 long st_mtimensec; /* nsec of last data modification */
82 time_t st_ctime; /* time of last file status change */
83 long st_ctimensec; /* nsec of last file status change */
85 off_t st_size; /* file size, in bytes */
86 int64_t st_blocks; /* blocks allocated for file */
87 u_int32_t st_blksize; /* optimal blocksize for I/O */
88 u_int32_t st_flags; /* user defined flags for file */
89 u_int32_t st_gen; /* file generation number */
91 int64_t st_fsmid; /* recursive change detect */
95 #define _ST_FSMID_PRESENT_
100 #define st_atime st_atimespec.tv_sec
101 #define st_mtime st_mtimespec.tv_sec
102 #define st_ctime st_ctimespec.tv_sec
105 #define S_ISUID 0004000 /* set user id on execution */
106 #define S_ISGID 0002000 /* set group id on execution */
107 #ifndef _POSIX_SOURCE
108 #define S_ISTXT 0001000 /* sticky bit */
111 #define S_IRWXU 0000700 /* RWX mask for owner */
112 #define S_IRUSR 0000400 /* R for owner */
113 #define S_IWUSR 0000200 /* W for owner */
114 #define S_IXUSR 0000100 /* X for owner */
116 #ifndef _POSIX_SOURCE
117 #define S_IREAD S_IRUSR
118 #define S_IWRITE S_IWUSR
119 #define S_IEXEC S_IXUSR
122 #define S_IRWXG 0000070 /* RWX mask for group */
123 #define S_IRGRP 0000040 /* R for group */
124 #define S_IWGRP 0000020 /* W for group */
125 #define S_IXGRP 0000010 /* X for group */
127 #define S_IRWXO 0000007 /* RWX mask for other */
128 #define S_IROTH 0000004 /* R for other */
129 #define S_IWOTH 0000002 /* W for other */
130 #define S_IXOTH 0000001 /* X for other */
132 #ifndef _POSIX_SOURCE
133 #define S_IFMT 0170000 /* type of file mask */
134 #define S_IFIFO 0010000 /* named pipe (fifo) */
135 #define S_IFCHR 0020000 /* character special */
136 #define S_IFDIR 0040000 /* directory */
137 #define S_IFBLK 0060000 /* block special */
138 #define S_IFREG 0100000 /* regular */
139 #define S_IFLNK 0120000 /* symbolic link */
140 #define S_IFSOCK 0140000 /* socket */
141 #define S_IFWHT 0160000 /* whiteout */
142 #define S_ISVTX 0001000 /* save swapped text even after use */
145 #define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */
146 #define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */
147 #define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */
148 #define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */
149 #define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */
150 #ifndef _POSIX_SOURCE
151 #define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */
152 #define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */
153 #define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */
156 #ifndef _POSIX_SOURCE
157 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
159 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
161 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
163 #define S_BLKSIZE 512 /* block size used in the stat struct */
166 * Definitions of flags stored in file flags word.
168 * Super-user and owner changeable flags.
170 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
171 #define UF_NODUMP 0x00000001 /* do not dump file */
172 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */
173 #define UF_APPEND 0x00000004 /* writes to file may only append */
174 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
175 #define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */
177 * Super-user changeable flags.
179 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
180 #define SF_ARCHIVED 0x00010000 /* file is archived */
181 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */
182 #define SF_APPEND 0x00040000 /* writes to file may only append */
183 #define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */
187 * Shorthand abbreviations of above.
189 #define OPAQUE (UF_OPAQUE)
190 #define APPEND (UF_APPEND | SF_APPEND)
191 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
192 #define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK)
195 #endif /* !_POSIX_SOURCE */
198 #include <sys/cdefs.h>
201 int chmod (const char *, mode_t);
202 int fstat (int, struct stat *);
203 int mkdir (const char *, mode_t);
204 int mkfifo (const char *, mode_t);
205 int stat (const char *, struct stat *);
206 mode_t umask (mode_t);
208 #ifndef _POSIX_SOURCE
209 int chflags (const char *, u_long);
210 int fchflags (int, u_long);
211 int fchmod (int, mode_t);
212 int lchmod (const char *, mode_t);
213 int lstat (const char *, struct stat *);
217 #endif /* !_KERNEL */
219 #endif /* !_SYS_STAT_H_ */