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 */ 37 38 #ifndef _SYS_STAT_H_ 39 #define _SYS_STAT_H_ 40 41 #include <sys/cdefs.h> 42 #include <sys/types.h> 43 44 #if !defined(_KERNEL) && __BSD_VISIBLE 45 /* 46 * XXX We get miscellaneous namespace pollution with this. 47 */ 48 #include <sys/time.h> 49 #else 50 #include <sys/_timespec.h> 51 #endif 52 53 #ifdef _KERNEL 54 #define __dev_t udev_t 55 #else 56 #define __dev_t dev_t 57 #endif 58 59 /* 60 * stat structure notes: 61 * 62 * NOTE: st_fsmid removed in DragonFly 2.5.x. 63 * 64 * XXX st_blocks should be blkcnt_t; st_blksize should be blksize_t; 65 * see 1003.1-2008 66 */ 67 struct stat { 68 ino_t st_ino; /* inode's number */ 69 nlink_t st_nlink; /* number of hard links */ 70 __dev_t st_dev; /* inode's device */ 71 mode_t st_mode; /* inode protection mode */ 72 uint16_t st_padding1; 73 uid_t st_uid; /* user ID of the file's owner */ 74 gid_t st_gid; /* group ID of the file's group */ 75 __dev_t st_rdev; /* device type */ 76 struct timespec st_atim; /* time of last access */ 77 struct timespec st_mtim; /* time of last data modification */ 78 struct timespec st_ctim; /* time of last file status change */ 79 off_t st_size; /* file size, in bytes */ 80 int64_t st_blocks; /* blocks allocated for file */ 81 u_int32_t st_blksize; /* optimal blocksize for I/O */ 82 u_int32_t st_flags; /* user defined flags for file */ 83 u_int32_t st_gen; /* file generation number */ 84 int32_t st_lspare; 85 int64_t st_qspare1; /* was recursive change detect */ 86 int64_t st_qspare2; 87 }; 88 89 /*#define _ST_FSMID_PRESENT_*/ 90 #define _ST_FLAGS_PRESENT_ 91 92 #undef __dev_t 93 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 98 /* BSD compatibility */ 99 #if __BSD_VISIBLE 100 #define st_atimespec st_atim 101 #define st_mtimespec st_mtim 102 #define st_ctimespec st_ctim 103 #endif 104 105 #define S_ISUID 0004000 /* set user id on execution */ 106 #define S_ISGID 0002000 /* set group id on execution */ 107 #if __BSD_VISIBLE 108 #define S_ISTXT 0001000 /* sticky bit */ 109 #endif 110 111 #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 */ 115 116 #if __BSD_VISIBLE 117 #define S_IREAD S_IRUSR 118 #define S_IWRITE S_IWUSR 119 #define S_IEXEC S_IXUSR 120 #endif 121 122 #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 */ 126 127 #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 */ 131 132 #if __XSI_VISIBLE 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_ISVTX 0001000 /* save swapped text even after use */ 142 #endif 143 #if __BSD_VISIBLE 144 #define S_IFDB 0110000 /* record access file */ 145 #define S_IFWHT 0160000 /* whiteout */ 146 #endif 147 148 #define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */ 149 #define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */ 150 #define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */ 151 #define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */ 152 #define S_ISDB(m) (((m) & 0170000) == 0110000) /* record access file */ 153 #define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */ 154 #if __POSIX_VISIBLE 155 #define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */ 156 #define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */ 157 #endif 158 #if __BSD_VISIBLE 159 #define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */ 160 #endif 161 162 /* 163 * The value of `buf' is a pointer to a `stat' data structure. Since we don't 164 * implement message queues as distinct file types, the following macro 165 * evaluates to zero. 166 * XXX: What about semaphores and shared memory objects ? 167 */ 168 #define S_TYPEISMQ(buf) (0) /* message queue */ 169 170 #if __BSD_VISIBLE 171 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */ 172 /* 7777 */ 173 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 174 /* 0666 */ 175 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 176 177 #define S_BLKSIZE 512 /* block size used in the stat struct */ 178 179 /* 180 * Definitions of flags stored in file flags word. 181 * 182 * Super-user and owner changeable flags. 183 */ 184 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */ 185 #define UF_NODUMP 0x00000001 /* do not dump file */ 186 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */ 187 #define UF_APPEND 0x00000004 /* writes to file may only append */ 188 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */ 189 #define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */ 190 #define UF_FBSDRSVD20 0x00000020 /* (unused) */ 191 #define UF_NOHISTORY 0x00000040 /* do not retain history/snapshots */ 192 #define UF_CACHE 0x00000080 /* enable data swapcache */ 193 #define UF_XLINK 0x00000100 /* cross-link (hardlink) boundary */ 194 195 /* 196 * Super-user changeable flags. 197 */ 198 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */ 199 #define SF_ARCHIVED 0x00010000 /* file is archived */ 200 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */ 201 #define SF_APPEND 0x00040000 /* writes to file may only append */ 202 #define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */ 203 #define SF_FBSDRSVD20 0x00200000 /* (used by FreeBSD for snapshots) */ 204 #define SF_NOHISTORY 0x00400000 /* do not retain history/snapshots */ 205 #define SF_NOCACHE 0x00800000 /* disable data swapcache */ 206 #define SF_XLINK 0x01000000 /* cross-link (hardlink) boundary */ 207 208 #ifdef _KERNEL 209 /* 210 * Shorthand abbreviations of above. 211 */ 212 #define OPAQUE (UF_OPAQUE) 213 #define APPEND (UF_APPEND | SF_APPEND) 214 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE) 215 #define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK) 216 #endif 217 218 #endif /* __BSD_VISIBLE */ 219 220 #if __POSIX_VISIBLE >= 200809 221 #define UTIME_NOW -1 222 #define UTIME_OMIT -2 223 #endif 224 225 #if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL) 226 #include <sys/cdefs.h> 227 228 __BEGIN_DECLS 229 int chmod(const char *, mode_t); 230 int fchmod(int, mode_t); 231 #if __POSIX_VISIBLE >= 200809 232 int fchmodat(int, const char *, mode_t, int); 233 int futimens(int, const struct timespec *); 234 int utimensat(int, const char *, const struct timespec *, int); 235 #endif 236 int fstat(int, struct stat *); 237 #if __POSIX_VISIBLE >= 199506 238 int lstat(const char *, struct stat *); 239 #endif 240 int mkdir(const char *, mode_t); 241 int mkfifo(const char *, mode_t); 242 #if !defined(_MKNOD_DECLARED) && __XSI_VISIBLE 243 int mknod(const char *, mode_t, dev_t); 244 #define _MKNOD_DECLARED 245 #endif 246 int stat(const char *, struct stat *); 247 mode_t umask(mode_t); 248 #if __POSIX_VISIBLE >= 200809 249 int fstatat(int, const char *, struct stat *, int); 250 int mkdirat(int, const char *, mode_t); 251 int mkfifoat(int, const char *, mode_t); 252 #endif 253 #if __XSI_VISIBLE >= 700 254 int mknodat(int, const char *, mode_t, dev_t); 255 #endif 256 #if __BSD_VISIBLE 257 int chflags(const char *, u_long); 258 int fchflags(int, u_long); 259 int lchflags(const char *, u_long); 260 int chflagsat(int, const char *, u_long, int); 261 int lchmod(const char *, mode_t); 262 #endif 263 __END_DECLS 264 265 #endif 266 267 #endif /* !_SYS_STAT_H_ */ 268