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 1.14 2008/11/11 00:55:49 pavalos Exp $ 37 */ 38 39 #ifndef _SYS_STAT_H_ 40 #define _SYS_STAT_H_ 41 42 #if !defined(_POSIX_SOURCE) 43 /* 44 * XXX we need this for struct timespec. We get miscellaneous namespace 45 * pollution with it. 46 */ 47 #ifndef _SYS_TIME_H_ 48 #include <sys/time.h> 49 #endif 50 #endif /* _POSIX_SOURCE */ 51 52 #ifdef _KERNEL 53 #define __dev_t udev_t 54 #else 55 #define __dev_t dev_t 56 #endif 57 58 /* 59 * stat structure notes: 60 * 61 * (1) st_fsmid (DragonFly only). This is a DragonFly supported field that 62 * is incremented if the represented file or directory changes or, for 63 * directories, if any change is made within the directory or any sub- 64 * directory, recursively. 65 */ 66 struct stat { 67 ino_t st_ino; /* inode's number */ 68 nlink_t st_nlink; /* number of hard links */ 69 __dev_t st_dev; /* inode's device */ 70 mode_t st_mode; /* inode protection mode */ 71 uint16_t st_padding1; 72 uid_t st_uid; /* user ID of the file's owner */ 73 gid_t st_gid; /* group ID of the file's group */ 74 __dev_t st_rdev; /* device type */ 75 #ifndef _POSIX_SOURCE 76 struct timespec st_atimespec; /* time of last access */ 77 struct timespec st_mtimespec; /* time of last data modification */ 78 struct timespec st_ctimespec; /* time of last file status change */ 79 #else 80 time_t st_atime; /* time of last access */ 81 long st_atimensec; /* nsec of last access */ 82 time_t st_mtime; /* time of last data modification */ 83 long st_mtimensec; /* nsec of last data modification */ 84 time_t st_ctime; /* time of last file status change */ 85 long st_ctimensec; /* nsec of last file status change */ 86 #endif 87 off_t st_size; /* file size, in bytes */ 88 int64_t st_blocks; /* blocks allocated for file */ 89 u_int32_t st_blksize; /* optimal blocksize for I/O */ 90 u_int32_t st_flags; /* user defined flags for file */ 91 u_int32_t st_gen; /* file generation number */ 92 int32_t st_lspare; 93 int64_t st_fsmid; /* recursive change detect */ 94 int64_t st_qspare; 95 }; 96 97 #define _ST_FSMID_PRESENT_ 98 #define _ST_FLAGS_PRESENT_ 99 100 #undef __dev_t 101 102 #ifndef _POSIX_SOURCE 103 #define st_atime st_atimespec.tv_sec 104 #define st_mtime st_mtimespec.tv_sec 105 #define st_ctime st_ctimespec.tv_sec 106 #endif 107 108 #define S_ISUID 0004000 /* set user id on execution */ 109 #define S_ISGID 0002000 /* set group id on execution */ 110 #ifndef _POSIX_SOURCE 111 #define S_ISTXT 0001000 /* sticky bit */ 112 #endif 113 114 #define S_IRWXU 0000700 /* RWX mask for owner */ 115 #define S_IRUSR 0000400 /* R for owner */ 116 #define S_IWUSR 0000200 /* W for owner */ 117 #define S_IXUSR 0000100 /* X for owner */ 118 119 #ifndef _POSIX_SOURCE 120 #define S_IREAD S_IRUSR 121 #define S_IWRITE S_IWUSR 122 #define S_IEXEC S_IXUSR 123 #endif 124 125 #define S_IRWXG 0000070 /* RWX mask for group */ 126 #define S_IRGRP 0000040 /* R for group */ 127 #define S_IWGRP 0000020 /* W for group */ 128 #define S_IXGRP 0000010 /* X for group */ 129 130 #define S_IRWXO 0000007 /* RWX mask for other */ 131 #define S_IROTH 0000004 /* R for other */ 132 #define S_IWOTH 0000002 /* W for other */ 133 #define S_IXOTH 0000001 /* X for other */ 134 135 #ifndef _POSIX_SOURCE 136 #define S_IFMT 0170000 /* type of file mask */ 137 #define S_IFIFO 0010000 /* named pipe (fifo) */ 138 #define S_IFCHR 0020000 /* character special */ 139 #define S_IFDIR 0040000 /* directory */ 140 #define S_IFBLK 0060000 /* block special */ 141 #define S_IFREG 0100000 /* regular */ 142 #define S_IFDB 0110000 /* record access file */ 143 #define S_IFLNK 0120000 /* symbolic link */ 144 #define S_IFSOCK 0140000 /* socket */ 145 #define S_IFWHT 0160000 /* whiteout */ 146 #define S_ISVTX 0001000 /* save swapped text even after use */ 147 #endif 148 149 #define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */ 150 #define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */ 151 #define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */ 152 #define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */ 153 #define S_ISDB(m) (((m) & 0170000) == 0110000) /* record access file */ 154 #define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */ 155 #ifndef _POSIX_SOURCE 156 #define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */ 157 #define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */ 158 #define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */ 159 #endif 160 161 #ifndef _POSIX_SOURCE 162 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */ 163 /* 7777 */ 164 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 165 /* 0666 */ 166 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 167 168 #define S_BLKSIZE 512 /* block size used in the stat struct */ 169 170 /* 171 * Definitions of flags stored in file flags word. 172 * 173 * Super-user and owner changeable flags. 174 */ 175 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */ 176 #define UF_NODUMP 0x00000001 /* do not dump file */ 177 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */ 178 #define UF_APPEND 0x00000004 /* writes to file may only append */ 179 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */ 180 #define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */ 181 #define UF_FBSDRSVD20 0x00000020 /* (unused) */ 182 #define UF_NOHISTORY 0x00000040 /* do not retain history/snapshots */ 183 /* 184 * Super-user changeable flags. 185 */ 186 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */ 187 #define SF_ARCHIVED 0x00010000 /* file is archived */ 188 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */ 189 #define SF_APPEND 0x00040000 /* writes to file may only append */ 190 #define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */ 191 #define SF_FBSDRSVD20 0x00200000 /* (used by FreeBSD for snapshots) */ 192 #define SF_NOHISTORY 0x00400000 /* do not retain history/snapshots */ 193 194 #ifdef _KERNEL 195 /* 196 * Shorthand abbreviations of above. 197 */ 198 #define OPAQUE (UF_OPAQUE) 199 #define APPEND (UF_APPEND | SF_APPEND) 200 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE) 201 #define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK) 202 #endif 203 204 #endif /* !_POSIX_SOURCE */ 205 206 #if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL) 207 #include <sys/cdefs.h> 208 209 __BEGIN_DECLS 210 int chmod (const char *, mode_t); 211 int fstat (int, struct stat *); 212 int mkdir (const char *, mode_t); 213 int mkfifo (const char *, mode_t); 214 #if !defined(_MKNOD_DECLARED) && __XSI_VISIBLE 215 int mknod(const char *, mode_t, dev_t); 216 #define _MKNOD_DECLARED 217 #endif 218 int stat (const char *, struct stat *); 219 mode_t umask (mode_t); 220 221 #ifndef _POSIX_SOURCE 222 int chflags (const char *, u_long); 223 int fchflags (int, u_long); 224 int lchflags (const char *, u_long); 225 int fchmod (int, mode_t); 226 int lchmod (const char *, mode_t); 227 int lstat (const char *, struct stat *); 228 #endif 229 __END_DECLS 230 231 #endif 232 233 #endif /* !_SYS_STAT_H_ */ 234