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 1.8 2005/08/25 18:34:17 dillon 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 /* 57 * stat structure notes: 58 * 59 * (1) st_fsmid (DragonFly only). This is a DragonFly supported field that 60 * is incremented if the represented file or directory changes or, for 61 * directories, if any change is made within the directory or any sub- 62 * directory, recursively. 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 #ifndef _POSIX_SOURCE 74 struct timespec st_atimespec; /* time of last access */ 75 struct timespec st_mtimespec; /* time of last data modification */ 76 struct timespec st_ctimespec; /* time of last file status change */ 77 #else 78 time_t st_atime; /* time of last access */ 79 long st_atimensec; /* nsec of last access */ 80 time_t st_mtime; /* time of last data modification */ 81 long st_mtimensec; /* nsec of last data modification */ 82 time_t st_ctime; /* time of last file status change */ 83 long st_ctimensec; /* nsec of last file status change */ 84 #endif 85 off_t st_size; /* file size, in bytes */ 86 int64_t st_blocks; /* blocks allocated for file */ 87 u_int32_t st_blksize; /* optimal blocksize for I/O */ 88 u_int32_t st_flags; /* user defined flags for file */ 89 u_int32_t st_gen; /* file generation number */ 90 int32_t st_lspare; 91 int64_t st_fsmid; /* recursive change detect */ 92 int64_t st_qspare; 93 }; 94 95 #define _ST_FSMID_PRESENT_ 96 97 #undef __dev_t 98 99 #ifndef _POSIX_SOURCE 100 #define st_atime st_atimespec.tv_sec 101 #define st_mtime st_mtimespec.tv_sec 102 #define st_ctime st_ctimespec.tv_sec 103 #endif 104 105 #define S_ISUID 0004000 /* set user id on execution */ 106 #define S_ISGID 0002000 /* set group id on execution */ 107 #ifndef _POSIX_SOURCE 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 #ifndef _POSIX_SOURCE 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 #ifndef _POSIX_SOURCE 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_IFWHT 0160000 /* whiteout */ 142 #define S_ISVTX 0001000 /* save swapped text even after use */ 143 #endif 144 145 #define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */ 146 #define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */ 147 #define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */ 148 #define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */ 149 #define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */ 150 #ifndef _POSIX_SOURCE 151 #define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */ 152 #define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */ 153 #define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */ 154 #endif 155 156 #ifndef _POSIX_SOURCE 157 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */ 158 /* 7777 */ 159 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 160 /* 0666 */ 161 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 162 163 #define S_BLKSIZE 512 /* block size used in the stat struct */ 164 165 /* 166 * Definitions of flags stored in file flags word. 167 * 168 * Super-user and owner changeable flags. 169 */ 170 #define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */ 171 #define UF_NODUMP 0x00000001 /* do not dump file */ 172 #define UF_IMMUTABLE 0x00000002 /* file may not be changed */ 173 #define UF_APPEND 0x00000004 /* writes to file may only append */ 174 #define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */ 175 #define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */ 176 /* 177 * Super-user changeable flags. 178 */ 179 #define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */ 180 #define SF_ARCHIVED 0x00010000 /* file is archived */ 181 #define SF_IMMUTABLE 0x00020000 /* file may not be changed */ 182 #define SF_APPEND 0x00040000 /* writes to file may only append */ 183 #define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */ 184 185 #ifdef _KERNEL 186 /* 187 * Shorthand abbreviations of above. 188 */ 189 #define OPAQUE (UF_OPAQUE) 190 #define APPEND (UF_APPEND | SF_APPEND) 191 #define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE) 192 #define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK) 193 #endif 194 195 #endif /* !_POSIX_SOURCE */ 196 197 #ifndef _KERNEL 198 #include <sys/cdefs.h> 199 200 __BEGIN_DECLS 201 int chmod (const char *, mode_t); 202 int fstat (int, struct stat *); 203 int mkdir (const char *, mode_t); 204 int mkfifo (const char *, mode_t); 205 int stat (const char *, struct stat *); 206 mode_t umask (mode_t); 207 208 #ifndef _POSIX_SOURCE 209 int chflags (const char *, u_long); 210 int fchflags (int, u_long); 211 int fchmod (int, mode_t); 212 int lchmod (const char *, mode_t); 213 int lstat (const char *, struct stat *); 214 #endif 215 __END_DECLS 216 217 #endif /* !_KERNEL */ 218 219 #endif /* !_SYS_STAT_H_ */ 220