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 struct stat { 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 */ 69 uint16_t st_padding1; 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 */ 73 struct timespec st_atim; /* time of last access */ 74 struct timespec st_mtim; /* time of last data modification */ 75 struct timespec st_ctim; /* time of last file status change */ 76 off_t st_size; /* file size, in bytes */ 77 blkcnt_t st_blocks; /* blocks allocated for file */ 78 u_int32_t __old_st_blksize; /* old ABI compatibility only */ 79 u_int32_t st_flags; /* user defined flags for file */ 80 u_int32_t st_gen; /* file generation number */ 81 int32_t st_lspare; 82 blksize_t st_blksize; /* optimal blocksize for I/O */ 83 int64_t st_qspare2; 84 }; 85 86 /*#define _ST_FSMID_PRESENT_*/ 87 #define _ST_FLAGS_PRESENT_ 88 89 #undef __dev_t 90 91 #define st_atime st_atim.tv_sec 92 #define st_mtime st_mtim.tv_sec 93 #define st_ctime st_ctim.tv_sec 94 95 /* BSD compatibility */ 96 #if __BSD_VISIBLE 97 #define st_atimespec st_atim 98 #define st_mtimespec st_mtim 99 #define st_ctimespec st_ctim 100 #endif 101 102 /* Always ensure that these are consistent with <fcntl.h>! */ 103 #ifndef S_ISUID 104 #define S_ISUID 0004000 /* set user id on execution */ 105 #endif 106 #ifndef S_ISGID 107 #define S_ISGID 0002000 /* set group id on execution */ 108 #endif 109 #if __BSD_VISIBLE 110 #define S_ISTXT 0001000 /* sticky bit */ 111 #endif 112 113 #ifndef S_IRWXU 114 #define S_IRWXU 0000700 /* RWX mask for owner */ 115 #endif 116 #ifndef S_IRUSR 117 #define S_IRUSR 0000400 /* R for owner */ 118 #endif 119 #ifndef S_IWUSR 120 #define S_IWUSR 0000200 /* W for owner */ 121 #endif 122 #ifndef S_IXUSR 123 #define S_IXUSR 0000100 /* X for owner */ 124 #endif 125 126 #if __BSD_VISIBLE 127 #define S_IREAD S_IRUSR 128 #define S_IWRITE S_IWUSR 129 #define S_IEXEC S_IXUSR 130 #endif 131 132 #ifndef S_IRWXG 133 #define S_IRWXG 0000070 /* RWX mask for group */ 134 #endif 135 #ifndef S_IRGRP 136 #define S_IRGRP 0000040 /* R for group */ 137 #endif 138 #ifndef S_IWGRP 139 #define S_IWGRP 0000020 /* W for group */ 140 #endif 141 #ifndef S_IXGRP 142 #define S_IXGRP 0000010 /* X for group */ 143 #endif 144 145 #ifndef S_IRWXO 146 #define S_IRWXO 0000007 /* RWX mask for other */ 147 #endif 148 #ifndef S_IROTH 149 #define S_IROTH 0000004 /* R for other */ 150 #endif 151 #ifndef S_IWOTH 152 #define S_IWOTH 0000002 /* W for other */ 153 #endif 154 #ifndef S_IXOTH 155 #define S_IXOTH 0000001 /* X for other */ 156 #endif 157 158 #if __XSI_VISIBLE 159 #define S_IFMT 0170000 /* type of file mask */ 160 #define S_IFIFO 0010000 /* named pipe (fifo) */ 161 #define S_IFCHR 0020000 /* character special */ 162 #define S_IFDIR 0040000 /* directory */ 163 #define S_IFBLK 0060000 /* block special */ 164 #define S_IFREG 0100000 /* regular */ 165 #define S_IFLNK 0120000 /* symbolic link */ 166 #define S_IFSOCK 0140000 /* socket */ 167 #define S_ISVTX 0001000 /* save swapped text even after use */ 168 #endif 169 #if __BSD_VISIBLE 170 #define S_IFDB 0110000 /* record access file */ 171 #define S_IFWHT 0160000 /* whiteout */ 172 #endif 173 174 #define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */ 175 #define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */ 176 #define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */ 177 #define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */ 178 #define S_ISDB(m) (((m) & 0170000) == 0110000) /* record access file */ 179 #define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */ 180 #if __POSIX_VISIBLE 181 #define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */ 182 #define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */ 183 #endif 184 #if __BSD_VISIBLE 185 #define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */ 186 #endif 187 188 /* 189 * The value of `buf' is a pointer to a `stat' data structure. Since we don't 190 * implement message queues as distinct file types, the following macro 191 * evaluates to zero. 192 * XXX: What about semaphores and shared memory objects ? 193 */ 194 #define S_TYPEISMQ(buf) (0) /* message queue */ 195 196 #if __BSD_VISIBLE 197 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */ 198 /* 7777 */ 199 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 200 /* 0666 */ 201 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 202 203 #define S_BLKSIZE 512 /* block size used in the stat struct */ 204 205 /* 206 * Definitions of flags stored in file flags word. 207 * 208 * Super-user and owner changeable flags. 209 */ 210 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */ 211 #define UF_NODUMP 0x00000001 /* do not dump file */ 212 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */ 213 #define UF_APPEND 0x00000004 /* writes to file may only append */ 214 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */ 215 #define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */ 216 #define UF_UNUSED5 0x00000020 /* (unused) */ 217 #define UF_NOHISTORY 0x00000040 /* do not retain history/snapshots */ 218 #define UF_CACHE 0x00000080 /* enable data swapcache */ 219 #define UF_XLINK 0x00000100 /* cross-link (hardlink) boundary */ 220 221 /* 222 * Super-user changeable flags. 223 */ 224 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */ 225 #define SF_ARCHIVED 0x00010000 /* file is archived */ 226 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */ 227 #define SF_APPEND 0x00040000 /* writes to file may only append */ 228 #define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */ 229 #define SF_UNUSED17 0x00200000 /* (used by FreeBSD for snapshots) */ 230 #define SF_NOHISTORY 0x00400000 /* do not retain history/snapshots */ 231 #define SF_NOCACHE 0x00800000 /* disable data swapcache */ 232 #define SF_XLINK 0x01000000 /* cross-link (hardlink) boundary */ 233 234 #ifdef _KERNEL 235 /* 236 * Shorthand abbreviations of above. 237 */ 238 #define OPAQUE (UF_OPAQUE) 239 #define APPEND (UF_APPEND | SF_APPEND) 240 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE) 241 #define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK) 242 #endif 243 244 #endif /* __BSD_VISIBLE */ 245 246 #if __POSIX_VISIBLE >= 200809 247 #define UTIME_NOW -1 248 #define UTIME_OMIT -2 249 #endif 250 251 #if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL) 252 253 __BEGIN_DECLS 254 int chmod(const char *, mode_t); 255 int fchmod(int, mode_t); 256 #if __POSIX_VISIBLE >= 200809 257 int fchmodat(int, const char *, mode_t, int); 258 int futimens(int, const struct timespec *); 259 int utimensat(int, const char *, const struct timespec *, int); 260 #endif 261 int fstat(int, struct stat *); 262 #if __POSIX_VISIBLE >= 199506 263 int lstat(const char * __restrict, struct stat * __restrict); 264 #endif 265 int mkdir(const char *, mode_t); 266 int mkfifo(const char *, mode_t); 267 #if !defined(_MKNOD_DECLARED) && __XSI_VISIBLE 268 int mknod(const char *, mode_t, dev_t); 269 #define _MKNOD_DECLARED 270 #endif 271 int stat(const char * __restrict, struct stat * __restrict); 272 mode_t umask(mode_t); 273 #if __POSIX_VISIBLE >= 200809 274 int fstatat(int, const char * __restrict, struct stat * __restrict, int); 275 int mkdirat(int, const char *, mode_t); 276 int mkfifoat(int, const char *, mode_t); 277 #endif 278 #if __XSI_VISIBLE >= 700 279 int mknodat(int, const char *, mode_t, dev_t); 280 #endif 281 #if __BSD_VISIBLE 282 int chflags(const char *, unsigned long); 283 int fchflags(int, unsigned long); 284 int lchflags(const char *, unsigned long); 285 int chflagsat(int, const char *, unsigned long, int); 286 int lchmod(const char *, mode_t); 287 #endif 288 __END_DECLS 289 290 #endif 291 292 #endif /* !_SYS_STAT_H_ */ 293