Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/sys/stat.h
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1 /* $NetBSD: stat.h,v 1.69 2019/09/15 23:55:22 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1982, 1986, 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)stat.h 8.12 (Berkeley) 8/17/94 37 */ 38 39 #ifndef _SYS_STAT_H_ 40 #define _SYS_STAT_H_ 41 42 #include <sys/featuretest.h> 43 #include <sys/types.h> /* XXX */ 44 45 #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 46 defined(_NETBSD_SOURCE) 47 /* 48 * POSIX:2008 / XPG7 requires struct timespec to be declared in 49 * this header, but does not provide the usual exemption 50 * "inclusion of this header may make visible symbols defined in <time.h>". 51 * 52 * This is a Standard omission, acknowledged by the committee and 53 * scheduled to be corrected in Technical Corrigendum 2, according to 54 * http://austingroupbugs.net/view.php?id=531 55 */ 56 #include <sys/time.h> 57 #endif 58 59 struct stat { 60 dev_t st_dev; /* inode's device */ 61 mode_t st_mode; /* inode protection mode */ 62 ino_t st_ino; /* inode's number */ 63 nlink_t st_nlink; /* number of hard links */ 64 uid_t st_uid; /* user ID of the file's owner */ 65 gid_t st_gid; /* group ID of the file's group */ 66 dev_t st_rdev; /* device type */ 67 #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 68 defined(_NETBSD_SOURCE) 69 struct timespec st_atim; /* time of last access */ 70 struct timespec st_mtim; /* time of last data modification */ 71 struct timespec st_ctim; /* time of last file status change */ 72 struct timespec st_birthtim; /* time of creation */ 73 #else 74 time_t st_atime; /* time of last access */ 75 long st_atimensec; /* nsec of last access */ 76 time_t st_mtime; /* time of last data modification */ 77 long st_mtimensec; /* nsec of last data modification */ 78 time_t st_ctime; /* time of last file status change */ 79 long st_ctimensec; /* nsec of last file status change */ 80 time_t st_birthtime; /* time of creation */ 81 long st_birthtimensec; /* nsec of time of creation */ 82 #endif 83 off_t st_size; /* file size, in bytes */ 84 blkcnt_t st_blocks; /* blocks allocated for file */ 85 blksize_t st_blksize; /* optimal blocksize for I/O */ 86 uint32_t st_flags; /* user defined flags for file */ 87 uint32_t st_gen; /* file generation number */ 88 uint32_t st_spare[2]; 89 }; 90 91 #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 92 defined(_NETBSD_SOURCE) 93 /* Standard-mandated compatibility */ 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 #define st_birthtime st_birthtim.tv_sec 98 #endif 99 100 #if defined(_NETBSD_SOURCE) 101 #define st_atimespec st_atim 102 #define st_atimensec st_atim.tv_nsec 103 #define st_mtimespec st_mtim 104 #define st_mtimensec st_mtim.tv_nsec 105 #define st_ctimespec st_ctim 106 #define st_ctimensec st_ctim.tv_nsec 107 #define st_birthtimespec st_birthtim 108 #define st_birthtimensec st_birthtimespec.tv_nsec 109 #endif 110 111 #define S_ISUID 0004000 /* set user id on execution */ 112 #define S_ISGID 0002000 /* set group id on execution */ 113 #if defined(_NETBSD_SOURCE) 114 #define S_ISTXT 0001000 /* sticky bit */ 115 #endif 116 117 #define S_IRWXU 0000700 /* RWX mask for owner */ 118 #define S_IRUSR 0000400 /* R for owner */ 119 #define S_IWUSR 0000200 /* W for owner */ 120 #define S_IXUSR 0000100 /* X for owner */ 121 122 #if defined(_NETBSD_SOURCE) 123 #define S_IREAD S_IRUSR 124 #define S_IWRITE S_IWUSR 125 #define S_IEXEC S_IXUSR 126 #endif 127 128 #define S_IRWXG 0000070 /* RWX mask for group */ 129 #define S_IRGRP 0000040 /* R for group */ 130 #define S_IWGRP 0000020 /* W for group */ 131 #define S_IXGRP 0000010 /* X for group */ 132 133 #define S_IRWXO 0000007 /* RWX mask for other */ 134 #define S_IROTH 0000004 /* R for other */ 135 #define S_IWOTH 0000002 /* W for other */ 136 #define S_IXOTH 0000001 /* X for other */ 137 138 #define _S_IFMT 0170000 /* type of file mask */ 139 #define _S_IFIFO 0010000 /* named pipe (fifo) */ 140 #define _S_IFCHR 0020000 /* character special */ 141 #define _S_IFDIR 0040000 /* directory */ 142 #define _S_IFBLK 0060000 /* block special */ 143 #define _S_IFREG 0100000 /* regular */ 144 #define _S_IFLNK 0120000 /* symbolic link */ 145 #define _S_ISVTX 0001000 /* save swapped text even after use */ 146 #define _S_IFSOCK 0140000 /* socket */ 147 #define _S_IFWHT 0160000 /* whiteout */ 148 #define _S_ARCH1 0200000 /* Archive state 1, ls -l shows 'a' */ 149 #define _S_ARCH2 0400000 /* Archive state 2, ls -l shows 'A' */ 150 151 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 152 #define S_IFMT _S_IFMT 153 #define S_IFIFO _S_IFIFO 154 #define S_IFCHR _S_IFCHR 155 #define S_IFDIR _S_IFDIR 156 #define S_IFBLK _S_IFBLK 157 #define S_IFREG _S_IFREG 158 #define S_IFLNK _S_IFLNK 159 #define S_ISVTX _S_ISVTX 160 #endif 161 #if ((_XOPEN_SOURCE - 0) >= 600) || defined(_NETBSD_SOURCE) 162 #define S_IFSOCK _S_IFSOCK 163 #endif 164 #if defined(_NETBSD_SOURCE) 165 #define S_IFWHT _S_IFWHT 166 167 #define S_ARCH1 _S_ARCH1 168 #define S_ARCH2 _S_ARCH2 169 #endif 170 171 #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR) /* directory */ 172 #define S_ISCHR(m) (((m) & _S_IFMT) == _S_IFCHR) /* char special */ 173 #define S_ISBLK(m) (((m) & _S_IFMT) == _S_IFBLK) /* block special */ 174 #define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG) /* regular file */ 175 #define S_ISFIFO(m) (((m) & _S_IFMT) == _S_IFIFO) /* fifo */ 176 #if ((_POSIX_C_SOURCE - 0) >= 200112L) || defined(_XOPEN_SOURCE) || \ 177 defined(_NETBSD_SOURCE) 178 #define S_ISLNK(m) (((m) & _S_IFMT) == _S_IFLNK) /* symbolic link */ 179 #endif 180 #if ((_POSIX_C_SOURCE - 0) >= 200112L) || ((_XOPEN_SOURCE - 0) >= 600) || \ 181 defined(_NETBSD_SOURCE) 182 #define S_ISSOCK(m) (((m) & _S_IFMT) == _S_IFSOCK) /* socket */ 183 #endif 184 #if defined(_NETBSD_SOURCE) 185 #define S_ISWHT(m) (((m) & _S_IFMT) == _S_IFWHT) /* whiteout */ 186 #endif 187 188 #if defined(_NETBSD_SOURCE) 189 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */ 190 /* 7777 */ 191 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 192 /* 0666 */ 193 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 194 195 #define S_BLKSIZE 512 /* block size used in the stat struct */ 196 197 /* 198 * Definitions of flags stored in file flags word. 199 * 200 * Super-user and owner changeable flags. 201 */ 202 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */ 203 #define UF_NODUMP 0x00000001 /* do not dump file */ 204 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */ 205 #define UF_APPEND 0x00000004 /* writes to file may only append */ 206 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */ 207 /* UF_NOUNLINK 0x00000010 [NOT IMPLEMENTED] */ 208 /* 209 * Super-user changeable flags. 210 */ 211 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */ 212 #define SF_ARCHIVED 0x00010000 /* file is archived */ 213 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */ 214 #define SF_APPEND 0x00040000 /* writes to file may only append */ 215 /* SF_NOUNLINK 0x00100000 [NOT IMPLEMENTED] */ 216 #define SF_SNAPSHOT 0x00200000 /* snapshot inode */ 217 #define SF_LOG 0x00400000 /* WAPBL log file inode */ 218 #define SF_SNAPINVAL 0x00800000 /* snapshot is invalid */ 219 220 #ifdef _KERNEL 221 /* 222 * Shorthand abbreviations of above. 223 */ 224 #define OPAQUE (UF_OPAQUE) 225 #define APPEND (UF_APPEND | SF_APPEND) 226 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE) 227 #endif /* _KERNEL */ 228 #endif /* _NETBSD_SOURCE */ 229 230 #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 231 defined(_NETBSD_SOURCE) 232 /* 233 * Special values for utimensat and futimens 234 */ 235 #define UTIME_NOW ((1 << 30) - 1) 236 #define UTIME_OMIT ((1 << 30) - 2) 237 #endif 238 239 #if !defined(_KERNEL) && !defined(_STANDALONE) 240 #include <sys/cdefs.h> 241 242 __BEGIN_DECLS 243 int chmod(const char *, mode_t); 244 int mkdir(const char *, mode_t); 245 int mkfifo(const char *, mode_t); 246 #ifndef __LIBC12_SOURCE__ 247 int stat(const char *, struct stat *) __RENAME(__stat50); 248 int fstat(int, struct stat *) __RENAME(__fstat50); 249 #endif 250 mode_t umask(mode_t); 251 #if (_POSIX_C_SOURCE - 0) >= 200112L || defined(_XOPEN_SOURCE) || \ 252 defined(_NETBSD_SOURCE) 253 #ifndef __LIBC12_SOURCE__ 254 int lstat(const char *, struct stat *) __RENAME(__lstat50); 255 #endif 256 #endif /* _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE || _NETBSD_SOURCE */ 257 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 258 int fchmod(int, mode_t); 259 #ifndef __LIBC12_SOURCE__ 260 int mknod(const char *, mode_t, dev_t) __RENAME(__mknod50); 261 #endif 262 #endif /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */ 263 264 #if defined(_NETBSD_SOURCE) 265 int chflags(const char *, unsigned long); 266 int fchflags(int, unsigned long); 267 int lchflags(const char *, unsigned long); 268 int lchmod(const char *, mode_t); 269 #endif /* defined(_NETBSD_SOURCE) */ 270 271 #ifndef __LIBC12_SOURCE__ 272 /* 273 * X/Open Extended API set 2 (a.k.a. C063) 274 */ 275 #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 276 defined(_NETBSD_SOURCE) 277 int fchmodat(int, const char *, mode_t, int); 278 int fstatat(int, const char *, struct stat *, int); 279 int mkdirat(int, const char *, mode_t); 280 int mkfifoat(int, const char *, mode_t); 281 int mknodat(int, const char *, mode_t, dev_t); 282 int utimensat(int, const char *, const struct timespec *, int); 283 #endif 284 285 #ifdef _NETBSD_SOURCE 286 int utimens(const char *, const struct timespec *); 287 int lutimens(const char *, const struct timespec *); 288 #endif 289 290 #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 291 defined(_NETBSD_SOURCE) 292 int futimens(int, const struct timespec *); 293 #endif 294 #endif 295 296 __END_DECLS 297 298 #endif /* !_KERNEL && !_STANDALONE */ 299 #endif /* !_SYS_STAT_H_ */
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