1/* $OpenBSD: stat.h,v 1.29 2022/01/11 23:59:55 jsg Exp $ */ 2/* $NetBSD: stat.h,v 1.20 1996/05/16 22:17:49 cgd Exp $ */ 3 4/*- 5 * Copyright (c) 1982, 1986, 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * (c) UNIX System Laboratories, Inc. 8 * All or some portions of this file are derived from material licensed 9 * to the University of California by American Telephone and Telegraph 10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 11 * the permission of UNIX System Laboratories, Inc. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)stat.h 8.9 (Berkeley) 8/17/94 38 */ 39 40#ifndef _SYS_STAT_H_ 41#define _SYS_STAT_H_ 42 43#include <sys/time.h> 44 45struct stat { 46 mode_t st_mode; /* inode protection mode */ 47 dev_t st_dev; /* inode's device */ 48 ino_t st_ino; /* inode's number */ 49 nlink_t st_nlink; /* number of hard links */ 50 uid_t st_uid; /* user ID of the file's owner */ 51 gid_t st_gid; /* group ID of the file's group */ 52 dev_t st_rdev; /* device type */ 53#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE 54 struct timespec st_atim; /* time of last access */ 55 struct timespec st_mtim; /* time of last data modification */ 56 struct timespec st_ctim; /* time of last file status change */ 57#else 58 time_t st_atime; /* time of last access */ 59 long st_atimensec; /* nsec of last access */ 60 time_t st_mtime; /* time of last data modification */ 61 long st_mtimensec; /* nsec of last data modification */ 62 time_t st_ctime; /* time of last file status change */ 63 long st_ctimensec; /* nsec of last file status change */ 64#endif /* __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE */ 65 off_t st_size; /* file size, in bytes */ 66 blkcnt_t st_blocks; /* blocks allocated for file */ 67 blksize_t st_blksize; /* optimal blocksize for I/O */ 68 u_int32_t st_flags; /* user defined flags for file */ 69 u_int32_t st_gen; /* file generation number */ 70#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE 71 struct timespec __st_birthtim; /* time of file creation */ 72#else 73 time_t __st_birthtime; /* time of file creation */ 74 long __st_birthtimensec; /* nsec of file creation */ 75#endif /* __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE */ 76}; 77#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE 78#define st_atime st_atim.tv_sec 79#define st_mtime st_mtim.tv_sec 80#define st_ctime st_ctim.tv_sec 81#define __st_birthtime __st_birthtim.tv_sec 82#endif 83#if __BSD_VISIBLE 84#define st_atimespec st_atim 85#define st_atimensec st_atim.tv_nsec 86#define st_mtimespec st_mtim 87#define st_mtimensec st_mtim.tv_nsec 88#define st_ctimespec st_ctim 89#define st_ctimensec st_ctim.tv_nsec 90#define __st_birthtimespec __st_birthtim 91#define __st_birthtimensec __st_birthtim.tv_nsec 92#endif 93 94#define S_ISUID 0004000 /* set user id on execution */ 95#define S_ISGID 0002000 /* set group id on execution */ 96#if __BSD_VISIBLE 97#define S_ISTXT 0001000 /* sticky bit */ 98#endif 99 100#define S_IRWXU 0000700 /* RWX mask for owner */ 101#define S_IRUSR 0000400 /* R for owner */ 102#define S_IWUSR 0000200 /* W for owner */ 103#define S_IXUSR 0000100 /* X for owner */ 104 105#if __BSD_VISIBLE 106#define S_IREAD S_IRUSR 107#define S_IWRITE S_IWUSR 108#define S_IEXEC S_IXUSR 109#endif 110 111#define S_IRWXG 0000070 /* RWX mask for group */ 112#define S_IRGRP 0000040 /* R for group */ 113#define S_IWGRP 0000020 /* W for group */ 114#define S_IXGRP 0000010 /* X for group */ 115 116#define S_IRWXO 0000007 /* RWX mask for other */ 117#define S_IROTH 0000004 /* R for other */ 118#define S_IWOTH 0000002 /* W for other */ 119#define S_IXOTH 0000001 /* X for other */ 120 121#if __XPG_VISIBLE || __BSD_VISIBLE 122#define S_IFMT 0170000 /* type of file mask */ 123#define S_IFIFO 0010000 /* named pipe (fifo) */ 124#define S_IFCHR 0020000 /* character special */ 125#define S_IFDIR 0040000 /* directory */ 126#define S_IFBLK 0060000 /* block special */ 127#define S_IFREG 0100000 /* regular */ 128#define S_IFLNK 0120000 /* symbolic link */ 129#define S_IFSOCK 0140000 /* socket */ 130#define S_ISVTX 0001000 /* save swapped text even after use */ 131#endif 132 133#define S_ISDIR(m) ((m & 0170000) == 0040000) /* directory */ 134#define S_ISCHR(m) ((m & 0170000) == 0020000) /* char special */ 135#define S_ISBLK(m) ((m & 0170000) == 0060000) /* block special */ 136#define S_ISREG(m) ((m & 0170000) == 0100000) /* regular file */ 137#define S_ISFIFO(m) ((m & 0170000) == 0010000) /* fifo */ 138#if __POSIX_VISIBLE >= 200112 || __BSD_VISIBLE 139#define S_ISLNK(m) ((m & 0170000) == 0120000) /* symbolic link */ 140#define S_ISSOCK(m) ((m & 0170000) == 0140000) /* socket */ 141#endif 142 143#if __POSIX_VISIBLE >= 200809 144/* mandated to be present, but permitted to always return zero */ 145#define S_TYPEISMQ(m) 0 146#define S_TYPEISSEM(m) 0 147#define S_TYPEISSHM(m) 0 148#endif 149 150#if __BSD_VISIBLE 151#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 00777 */ 152 /* 07777 */ 153#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 154 /* 00666 */ 155#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 156 157#define S_BLKSIZE 512 /* block size used in the stat struct */ 158 159/* 160 * Definitions of flags stored in file flags word. 161 * 162 * Super-user and owner changeable flags. 163 */ 164#define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */ 165#define UF_NODUMP 0x00000001 /* do not dump file */ 166#define UF_IMMUTABLE 0x00000002 /* file may not be changed */ 167#define UF_APPEND 0x00000004 /* writes to file may only append */ 168#define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */ 169/* 170 * Super-user changeable flags. 171 */ 172#define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */ 173#define SF_ARCHIVED 0x00010000 /* file is archived */ 174#define SF_IMMUTABLE 0x00020000 /* file may not be changed */ 175#define SF_APPEND 0x00040000 /* writes to file may only append */ 176 177#ifdef _KERNEL 178/* 179 * Shorthand abbreviations of above. 180 */ 181#define OPAQUE (UF_OPAQUE) 182#define APPEND (UF_APPEND | SF_APPEND) 183#define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE) 184#endif /* _KERNEL */ 185#endif /* __BSD_VISIBLE */ 186 187#if __POSIX_VISIBLE >= 200809 188#define UTIME_NOW -2L 189#define UTIME_OMIT -1L 190#endif /* __POSIX_VISIBLE */ 191 192#ifndef _KERNEL 193__BEGIN_DECLS 194int chmod(const char *, mode_t); 195int fstat(int, struct stat *); 196int mknod(const char *, mode_t, dev_t); 197int mkdir(const char *, mode_t); 198int mkfifo(const char *, mode_t); 199int stat(const char *, struct stat *); 200mode_t umask(mode_t); 201#if __POSIX_VISIBLE >= 200112L || __XPG_VISIBLE >= 420 || __BSD_VISIBLE 202int fchmod(int, mode_t); 203int lstat(const char *, struct stat *); 204#endif 205#if __POSIX_VISIBLE >= 200809 206int fchmodat(int, const char *, mode_t, int); 207int fstatat(int, const char *, struct stat *, int); 208int mkdirat(int, const char *, mode_t); 209int mkfifoat(int, const char *, mode_t); 210int mknodat(int, const char *, mode_t, dev_t); 211int utimensat(int, const char *, const struct timespec [2], int); 212int futimens(int, const struct timespec [2]); 213#endif 214#if __BSD_VISIBLE 215int chflags(const char *, unsigned int); 216int chflagsat(int, const char *, unsigned int, int); 217int fchflags(int, unsigned int); 218int isfdtype(int, int); 219#endif 220__END_DECLS 221#endif 222#endif /* !_SYS_STAT_H_ */ 223