xref: /original-bsd/sys/sys/stat.h (revision 95ecee29)
1 /*-
2  * Copyright (c) 1982, 1986, 1989, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  *
7  *	@(#)stat.h	8.2 (Berkeley) 09/05/93
8  */
9 
10 #include <sys/time.h>
11 
12 struct ostat {
13 	unsigned short	st_dev;		/* inode's device */
14 	ino_t	st_ino;			/* inode's number */
15 	mode_t	st_mode;		/* inode protection mode */
16 	nlink_t	st_nlink;		/* number of hard links */
17 	unsigned short	st_uid;		/* user ID of the file's owner */
18 	unsigned short	st_gid;		/* group ID of the file's group */
19 	unsigned short	st_rdev;	/* device type */
20 	long	st_size;		/* file size, in bytes */
21 	struct	timespec st_atimespec;	/* time of last access */
22 	struct	timespec st_mtimespec;	/* time of last data modification */
23 	struct	timespec st_ctimespec;	/* time of last file status change */
24 	long	st_blksize;		/* optimal blocksize for I/O */
25 	long	st_blocks;		/* blocks allocated for file */
26 	unsigned long	st_flags;	/* user defined flags for file */
27 	unsigned long	st_gen;		/* file generation number */
28 };
29 
30 struct stat {
31 	dev_t	st_dev;			/* inode's device */
32 	ino_t	st_ino;			/* inode's number */
33 	mode_t	st_mode;		/* inode protection mode */
34 	nlink_t	st_nlink;		/* number of hard links */
35 	uid_t	st_uid;			/* user ID of the file's owner */
36 	gid_t	st_gid;			/* group ID of the file's group */
37 	dev_t	st_rdev;		/* device type */
38 	struct	timespec st_atimespec;	/* time of last access */
39 	struct	timespec st_mtimespec;	/* time of last data modification */
40 	struct	timespec st_ctimespec;	/* time of last file status change */
41 	off_t	st_size;		/* file size, in bytes */
42 	quad_t	st_blocks;		/* blocks allocated for file */
43 	unsigned long	st_blksize;	/* optimal blocksize for I/O */
44 	unsigned long	st_flags;	/* user defined flags for file */
45 	unsigned long	st_gen;		/* file generation number */
46 	long	st_lspare;
47 	quad_t	st_qspare[2];
48 };
49 #define st_atime st_atimespec.ts_sec
50 #define st_mtime st_mtimespec.ts_sec
51 #define st_ctime st_ctimespec.ts_sec
52 
53 #define	S_ISUID	0004000			/* set user id on execution */
54 #define	S_ISGID	0002000			/* set group id on execution */
55 #ifndef _POSIX_SOURCE
56 #define	S_ISTXT	0001000			/* sticky bit */
57 #endif
58 
59 #define	S_IRWXU	0000700			/* RWX mask for owner */
60 #define	S_IRUSR	0000400			/* R for owner */
61 #define	S_IWUSR	0000200			/* W for owner */
62 #define	S_IXUSR	0000100			/* X for owner */
63 
64 #ifndef _POSIX_SOURCE
65 #define	S_IREAD		S_IRUSR
66 #define	S_IWRITE	S_IWUSR
67 #define	S_IEXEC		S_IXUSR
68 #endif
69 
70 #define	S_IRWXG	0000070			/* RWX mask for group */
71 #define	S_IRGRP	0000040			/* R for group */
72 #define	S_IWGRP	0000020			/* W for group */
73 #define	S_IXGRP	0000010			/* X for group */
74 
75 #define	S_IRWXO	0000007			/* RWX mask for other */
76 #define	S_IROTH	0000004			/* R for other */
77 #define	S_IWOTH	0000002			/* W for other */
78 #define	S_IXOTH	0000001			/* X for other */
79 
80 #ifndef _POSIX_SOURCE
81 #define	S_IFMT	 0170000		/* type of file mask */
82 #define	S_IFIFO	 0010000		/* named pipe (fifo) */
83 #define	S_IFCHR	 0020000		/* character special */
84 #define	S_IFDIR	 0040000		/* directory */
85 #define	S_IFBLK	 0060000		/* block special */
86 #define	S_IFREG	 0100000		/* regular */
87 #define	S_IFLNK	 0120000		/* symbolic link */
88 #define	S_IFSOCK 0140000		/* socket */
89 #define	S_ISVTX	 0001000		/* save swapped text even after use */
90 #endif
91 
92 #define	S_ISDIR(m)	((m & 0170000) == 0040000)	/* directory */
93 #define	S_ISCHR(m)	((m & 0170000) == 0020000)	/* char special */
94 #define	S_ISBLK(m)	((m & 0170000) == 0060000)	/* block special */
95 #define	S_ISREG(m)	((m & 0170000) == 0100000)	/* regular file */
96 #define	S_ISFIFO(m)	((m & 0170000) == 0010000)	/* fifo */
97 #ifndef _POSIX_SOURCE
98 #define	S_ISLNK(m)	((m & 0170000) == 0120000)	/* symbolic link */
99 #define	S_ISSOCK(m)	((m & 0170000) == 0140000)	/* socket */
100 #endif
101 
102 #ifndef _POSIX_SOURCE
103 							/* 0777 */
104 #define	ACCESSPERMS	(S_IRWXU|S_IRWXG|S_IRWXO)
105 							/* 7777 */
106 #define	ALLPERMS	(S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
107 							/* 0666 */
108 #define	DEFFILEMODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
109 
110 #define S_BLKSIZE	512		/* block size used in the stat struct */
111 
112 /*
113  * Definitions of flags stored in file flags word.
114  *
115  * Super-user and owner changeable flags.
116  */
117 #define	UF_SETTABLE	0x0000ffff	/* mask of owner changeable flags */
118 #define	UF_NODUMP	0x00000001	/* do not dump file */
119 #define	UF_IMMUTABLE	0x00000002	/* file may not be changed */
120 #define	UF_APPEND	0x00000004	/* writes to file may only append */
121 /*
122  * Super-user changeable flags.
123  */
124 #define	SF_SETTABLE	0xffff0000	/* mask of superuser changeable flags */
125 #define	SF_ARCHIVED	0x00010000	/* file is archived */
126 #define	SF_IMMUTABLE	0x00020000	/* file may not be changed */
127 #define	SF_APPEND	0x00040000	/* writes to file may only append */
128 
129 #ifdef KERNEL
130 /*
131  * Shorthand abbreviations of above.
132  */
133 #define	APPEND		(UF_APPEND | SF_APPEND)
134 #define	IMMUTABLE	(UF_IMMUTABLE | SF_IMMUTABLE)
135 #endif
136 #endif
137 
138 #ifndef KERNEL
139 #include <sys/cdefs.h>
140 
141 __BEGIN_DECLS
142 int	chmod __P((const char *, mode_t));
143 int	fstat __P((int, struct stat *));
144 int	mkdir __P((const char *, mode_t));
145 int	mkfifo __P((const char *, mode_t));
146 int	stat __P((const char *, struct stat *));
147 mode_t	umask __P((mode_t));
148 #ifndef _POSIX_SOURCE
149 int	chflags __P((const char *, u_long));
150 int	fchflags __P((int, u_long));
151 int	fchmod __P((int, mode_t));
152 int	lstat __P((const char *, struct stat *));
153 #endif
154 __END_DECLS
155 #endif
156