xref: /dragonfly/sys/sys/stat.h (revision 6bd457ed)
1 /*-
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
6  * to the University of California by American Telephone and Telegraph
7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8  * the permission of UNIX System Laboratories, Inc.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
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 1.7 2005/08/02 13:03:55 joerg Exp $
37  */
38 
39 #ifndef _SYS_STAT_H_
40 #define	_SYS_STAT_H_
41 
42 #if !defined(_KERNEL) && !defined(_POSIX_SOURCE)
43 /*
44  * XXX we need this for struct timespec.  We get miscellaneous namespace
45  * pollution with it.
46  */
47 #include <sys/time.h>
48 #endif
49 
50 #ifdef _KERNEL
51 #define __dev_t	udev_t
52 #else
53 #define __dev_t	dev_t
54 #endif
55 
56 struct stat {
57 	ino_t	  st_ino;		/* inode's number */
58 	nlink_t	  st_nlink;		/* number of hard links */
59 	__dev_t	  st_dev;		/* inode's device */
60 	mode_t	  st_mode;		/* inode protection mode */
61 	uint16_t  st_padding1;
62 	uid_t	  st_uid;		/* user ID of the file's owner */
63 	gid_t	  st_gid;		/* group ID of the file's group */
64 	__dev_t	  st_rdev;		/* device type */
65 #ifndef _POSIX_SOURCE
66 	struct	timespec st_atimespec;	/* time of last access */
67 	struct	timespec st_mtimespec;	/* time of last data modification */
68 	struct	timespec st_ctimespec;	/* time of last file status change */
69 #else
70 	time_t	  st_atime;		/* time of last access */
71 	long	  st_atimensec;		/* nsec of last access */
72 	time_t	  st_mtime;		/* time of last data modification */
73 	long	  st_mtimensec;		/* nsec of last data modification */
74 	time_t	  st_ctime;		/* time of last file status change */
75 	long	  st_ctimensec;		/* nsec of last file status change */
76 #endif
77 	off_t	  st_size;		/* file size, in bytes */
78 	int64_t	  st_blocks;		/* blocks allocated for file */
79 	u_int32_t st_blksize;		/* optimal blocksize for I/O */
80 	u_int32_t st_flags;		/* user defined flags for file */
81 	u_int32_t st_gen;		/* file generation number */
82 	int32_t	  st_lspare;
83 	int64_t	  st_qspare[2];
84 };
85 
86 #undef __dev_t
87 
88 #ifndef _POSIX_SOURCE
89 #define st_atime st_atimespec.tv_sec
90 #define st_mtime st_mtimespec.tv_sec
91 #define st_ctime st_ctimespec.tv_sec
92 #endif
93 
94 #define	S_ISUID	0004000			/* set user id on execution */
95 #define	S_ISGID	0002000			/* set group id on execution */
96 #ifndef _POSIX_SOURCE
97 #define	S_ISTXT	0001000			/* sticky bit */
98 #endif
99 
100 #define	S_IRWXU	0000700			/* RWX mask for owner */
101 #define	S_IRUSR	0000400			/* R for owner */
102 #define	S_IWUSR	0000200			/* W for owner */
103 #define	S_IXUSR	0000100			/* X for owner */
104 
105 #ifndef _POSIX_SOURCE
106 #define	S_IREAD		S_IRUSR
107 #define	S_IWRITE	S_IWUSR
108 #define	S_IEXEC		S_IXUSR
109 #endif
110 
111 #define	S_IRWXG	0000070			/* RWX mask for group */
112 #define	S_IRGRP	0000040			/* R for group */
113 #define	S_IWGRP	0000020			/* W for group */
114 #define	S_IXGRP	0000010			/* X for group */
115 
116 #define	S_IRWXO	0000007			/* RWX mask for other */
117 #define	S_IROTH	0000004			/* R for other */
118 #define	S_IWOTH	0000002			/* W for other */
119 #define	S_IXOTH	0000001			/* X for other */
120 
121 #ifndef _POSIX_SOURCE
122 #define	S_IFMT	 0170000		/* type of file mask */
123 #define	S_IFIFO	 0010000		/* named pipe (fifo) */
124 #define	S_IFCHR	 0020000		/* character special */
125 #define	S_IFDIR	 0040000		/* directory */
126 #define	S_IFBLK	 0060000		/* block special */
127 #define	S_IFREG	 0100000		/* regular */
128 #define	S_IFLNK	 0120000		/* symbolic link */
129 #define	S_IFSOCK 0140000		/* socket */
130 #define	S_IFWHT  0160000		/* whiteout */
131 #define	S_ISVTX	 0001000		/* save swapped text even after use */
132 #endif
133 
134 #define	S_ISDIR(m)	(((m) & 0170000) == 0040000)	/* directory */
135 #define	S_ISCHR(m)	(((m) & 0170000) == 0020000)	/* char special */
136 #define	S_ISBLK(m)	(((m) & 0170000) == 0060000)	/* block special */
137 #define	S_ISREG(m)	(((m) & 0170000) == 0100000)	/* regular file */
138 #define	S_ISFIFO(m)	(((m) & 0170000) == 0010000)	/* fifo or socket */
139 #ifndef _POSIX_SOURCE
140 #define	S_ISLNK(m)	(((m) & 0170000) == 0120000)	/* symbolic link */
141 #define	S_ISSOCK(m)	(((m) & 0170000) == 0140000)	/* socket */
142 #define	S_ISWHT(m)	(((m) & 0170000) == 0160000)	/* whiteout */
143 #endif
144 
145 #ifndef _POSIX_SOURCE
146 #define	ACCESSPERMS	(S_IRWXU|S_IRWXG|S_IRWXO)	/* 0777 */
147 							/* 7777 */
148 #define	ALLPERMS	(S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
149 							/* 0666 */
150 #define	DEFFILEMODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
151 
152 #define S_BLKSIZE	512		/* block size used in the stat struct */
153 
154 /*
155  * Definitions of flags stored in file flags word.
156  *
157  * Super-user and owner changeable flags.
158  */
159 #define	UF_SETTABLE	0x0000ffff	/* mask of owner changeable flags */
160 #define	UF_NODUMP	0x00000001	/* do not dump file */
161 #define	UF_IMMUTABLE	0x00000002	/* file may not be changed */
162 #define	UF_APPEND	0x00000004	/* writes to file may only append */
163 #define UF_OPAQUE	0x00000008	/* directory is opaque wrt. union */
164 #define UF_NOUNLINK	0x00000010	/* file may not be removed or renamed */
165 /*
166  * Super-user changeable flags.
167  */
168 #define	SF_SETTABLE	0xffff0000	/* mask of superuser changeable flags */
169 #define	SF_ARCHIVED	0x00010000	/* file is archived */
170 #define	SF_IMMUTABLE	0x00020000	/* file may not be changed */
171 #define	SF_APPEND	0x00040000	/* writes to file may only append */
172 #define	SF_NOUNLINK	0x00100000	/* file may not be removed or renamed */
173 
174 #ifdef _KERNEL
175 /*
176  * Shorthand abbreviations of above.
177  */
178 #define	OPAQUE		(UF_OPAQUE)
179 #define	APPEND		(UF_APPEND | SF_APPEND)
180 #define	IMMUTABLE	(UF_IMMUTABLE | SF_IMMUTABLE)
181 #define	NOUNLINK	(UF_NOUNLINK | SF_NOUNLINK)
182 #endif
183 
184 #endif /* !_POSIX_SOURCE */
185 
186 #ifndef _KERNEL
187 #include <sys/cdefs.h>
188 
189 __BEGIN_DECLS
190 int	chmod (const char *, mode_t);
191 int	fstat (int, struct stat *);
192 int	mkdir (const char *, mode_t);
193 int	mkfifo (const char *, mode_t);
194 int	stat (const char *, struct stat *);
195 mode_t	umask (mode_t);
196 
197 #ifndef _POSIX_SOURCE
198 int	chflags (const char *, u_long);
199 int	fchflags (int, u_long);
200 int	fchmod (int, mode_t);
201 int	lchmod (const char *, mode_t);
202 int	lstat (const char *, struct stat *);
203 #endif
204 __END_DECLS
205 
206 #endif /* !_KERNEL */
207 
208 #endif /* !_SYS_STAT_H_ */
209