sys/sys/stat.h

   1 /*      $NetBSD: stat.h,v 1.63 2011/09/04 10:02:33 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 defined(_NETBSD_SOURCE)
  46 #include <sys/time.h>
  47 #endif
  48
  49 struct stat {
  50   big_dev_t     st_dev;               /* inode's device */
  51   big_mode_t    st_mode;              /* inode protection mode */
  52   big_ino_t     st_ino;               /* inode's number */
  53   big_nlink_t   st_nlink;             /* number of hard links */
  54   big_uid_t     st_uid;               /* user ID of the file's owner */
  55   big_gid_t     st_gid;               /* group ID of the file's group */
  56   big_dev_t     st_rdev;              /* device type */
  57 #if defined(_NETBSD_SOURCE)
  58         struct    timespec st_atimespec;/* time of last access */
  59         struct    timespec st_mtimespec;/* time of last data modification */
  60         struct    timespec st_ctimespec;/* time of last file status change */
  61         struct    timespec st_birthtimespec; /* time of creation */
  62 #else
  63         time_t    st_atime;             /* time of last access */
  64         long      st_atimensec;         /* nsec of last access */
  65         time_t    st_mtime;             /* time of last data modification */
  66         long      st_mtimensec;         /* nsec of last data modification */
  67         time_t    st_ctime;             /* time of last file status change */
  68         long      st_ctimensec;         /* nsec of last file status change */
  69         time_t    st_birthtime;         /* time of creation */
  70         long      st_birthtimensec;     /* nsec of time of creation */
  71 #endif
  72 #ifdef ST_SIZE_OFF_T
  73   off_t         st_size;                /* file size, in off_t bytes */
  74   off_t         st_size_rest;
  75 #else
  76   big_off_t st_size;            /* file size, in bytes */
  77 #endif
  78   blkcnt_t  st_blocks;          /* blocks allocated for file */
  79   blksize_t st_blksize;         /* optimal blocksize for I/O */
  80   u32_t     st_flags;           /* user defined flags for file */
  81   u32_t     st_gen;             /* file generation number */
  82   u32_t     st_spare[2];
  83 };
  84
  85 struct minix_prev_stat {
  86   short st_dev;                 /* major/minor device number */
  87   ino_t st_ino;                 /* i-node number */
  88   mode_t st_mode;               /* file mode, protection bits, etc. */
  89   nlink_t st_nlink;             /* # links; */
  90   short st_uid;                 /* uid of the file's owner */
  91   short int st_gid;             /* gid; TEMPORARY HACK: should be gid_t */
  92   short st_rdev;
  93   off_t st_size;                /* file size */
  94   time_t st_atime;              /* time of last access */
  95   time_t st_mtime;              /* time of last data modification */
  96   time_t st_ctime;              /* time of last file status change */
  97 };
  98
  99 #if defined(_NETBSD_SOURCE)
 100 #define st_atime                st_atimespec.tv_sec
 101 #define st_atimensec            st_atimespec.tv_nsec
 102 #define st_mtime                st_mtimespec.tv_sec
 103 #define st_mtimensec            st_mtimespec.tv_nsec
 104 #define st_ctime                st_ctimespec.tv_sec
 105 #define st_ctimensec            st_ctimespec.tv_nsec
 106 #define st_birthtime            st_birthtimespec.tv_sec
 107 #define st_birthtimensec        st_birthtimespec.tv_nsec
 108 #endif
 109
 110 #define S_ISUID 0004000                 /* set user id on execution */
 111 #define S_ISGID 0002000                 /* set group id on execution */
 112 #if defined(_NETBSD_SOURCE)
 113 #define S_ISTXT 0001000                 /* sticky bit */
 114 #endif
 115
 116 #define S_IRWXU 0000700                 /* RWX mask for owner */
 117 #define S_IRUSR 0000400                 /* R for owner */
 118 #define S_IWUSR 0000200                 /* W for owner */
 119 #define S_IXUSR 0000100                 /* X for owner */
 120
 121 #if defined(_NETBSD_SOURCE)
 122 #define S_IREAD         S_IRUSR
 123 #define S_IWRITE        S_IWUSR
 124 #define S_IEXEC         S_IXUSR
 125 #endif
 126
 127 #define S_IRWXG 0000070                 /* RWX mask for group */
 128 #define S_IRGRP 0000040                 /* R for group */
 129 #define S_IWGRP 0000020                 /* W for group */
 130 #define S_IXGRP 0000010                 /* X for group */
 131
 132 #define S_IRWXO 0000007                 /* RWX mask for other */
 133 #define S_IROTH 0000004                 /* R for other */
 134 #define S_IWOTH 0000002                 /* W for other */
 135 #define S_IXOTH 0000001                 /* X for other */
 136
 137 #define _S_IFMT   0170000               /* type of file mask */
 138 #define _S_IFIFO  0010000               /* named pipe (fifo) */
 139 #define _S_IFCHR  0020000               /* character special */
 140 #define _S_IFDIR  0040000               /* directory */
 141 #define _S_IFBLK  0060000               /* block special */
 142 #define _S_IFREG  0100000               /* regular */
 143 #define _S_IFLNK  0120000               /* symbolic link */
 144 #define _S_ISVTX  0001000               /* save swapped text even after use */
 145 #define _S_IFSOCK 0140000               /* socket */
 146 #define _S_IFWHT  0160000               /* whiteout */
 147 #define _S_ARCH1  0200000               /* Archive state 1, ls -l shows 'a' */
 148 #define _S_ARCH2  0400000               /* Archive state 2, ls -l shows 'A' */
 149
 150 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
 151 #define S_IFMT   _S_IFMT
 152 #define S_IFIFO  _S_IFIFO
 153 #define S_IFCHR  _S_IFCHR
 154 #define S_IFDIR  _S_IFDIR
 155 #define S_IFBLK  _S_IFBLK
 156 #define S_IFREG  _S_IFREG
 157 #define S_IFLNK  _S_IFLNK
 158 #define S_ISVTX  _S_ISVTX
 159 #endif
 160 #if ((_XOPEN_SOURCE - 0) >= 600) || defined(_NETBSD_SOURCE)
 161 #define S_IFSOCK _S_IFSOCK
 162 #endif
 163 #if defined(_NETBSD_SOURCE)
 164 #define S_IFWHT  _S_IFWHT
 165
 166 #define S_ARCH1 _S_ARCH1
 167 #define S_ARCH2 _S_ARCH2
 168 #endif
 169
 170 #define S_ISDIR(m)      (((m) & _S_IFMT) == _S_IFDIR)   /* directory */
 171 #define S_ISCHR(m)      (((m) & _S_IFMT) == _S_IFCHR)   /* char special */
 172 #define S_ISBLK(m)      (((m) & _S_IFMT) == _S_IFBLK)   /* block special */
 173 #define S_ISREG(m)      (((m) & _S_IFMT) == _S_IFREG)   /* regular file */
 174 #define S_ISFIFO(m)     (((m) & _S_IFMT) == _S_IFIFO)   /* fifo */
 175 #if ((_POSIX_C_SOURCE - 0) >= 200112L) || defined(_XOPEN_SOURCE) || \
 176     defined(_NETBSD_SOURCE)
 177 #define S_ISLNK(m)      (((m) & _S_IFMT) == _S_IFLNK)   /* symbolic link */
 178 #endif
 179 #if ((_POSIX_C_SOURCE - 0) >= 200112L) || ((_XOPEN_SOURCE - 0) >= 600) || \
 180     defined(_NETBSD_SOURCE)
 181 #define S_ISSOCK(m)     (((m) & _S_IFMT) == _S_IFSOCK)  /* socket */
 182 #endif
 183 #if defined(_NETBSD_SOURCE)
 184 #define S_ISWHT(m)      (((m) & _S_IFMT) == _S_IFWHT)   /* whiteout */
 185 #endif
 186
 187 #if defined(_NETBSD_SOURCE)
 188 #define ACCESSPERMS     (S_IRWXU|S_IRWXG|S_IRWXO)       /* 0777 */
 189                                                         /* 7777 */
 190 #define ALLPERMS        (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
 191                                                         /* 0666 */
 192 #define DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
 193
 194 #define S_BLKSIZE       512             /* block size used in the stat struct */
 195
 196 /*
 197  * Definitions of flags stored in file flags word.
 198  *
 199  * Super-user and owner changeable flags.
 200  */
 201 #define UF_SETTABLE     0x0000ffff      /* mask of owner changeable flags */
 202 #define UF_NODUMP       0x00000001      /* do not dump file */
 203 #define UF_IMMUTABLE    0x00000002      /* file may not be changed */
 204 #define UF_APPEND       0x00000004      /* writes to file may only append */
 205 #define UF_OPAQUE       0x00000008      /* directory is opaque wrt. union */
 206 /*      UF_NOUNLINK     0x00000010         [NOT IMPLEMENTED] */
 207 /*
 208  * Super-user changeable flags.
 209  */
 210 #define SF_SETTABLE     0xffff0000      /* mask of superuser changeable flags */
 211 #define SF_ARCHIVED     0x00010000      /* file is archived */
 212 #define SF_IMMUTABLE    0x00020000      /* file may not be changed */
 213 #define SF_APPEND       0x00040000      /* writes to file may only append */
 214
 215 #endif /* _NETBSD_SOURCE */
 216
 217 #if defined(__minix)
 218 #include <machine/vmparam.h>
 219 /* Convenient constant to use when st_blocksize field is required. */
 220 #define MINIX_ST_BLKSIZE PAGE_SIZE
 221 #endif
 222
 223 #if !defined(_KERNEL) && !defined(_STANDALONE)
 224 #include <sys/cdefs.h>
 225
 226 __BEGIN_DECLS
 227 int     chmod(const char *, mode_t);
 228 int     mkdir(const char *, mode_t);
 229 int     mkfifo(const char *, mode_t);
 230 #ifndef __LIBC12_SOURCE__
 231 int     stat(const char *, struct stat *) __RENAME(__stat50);
 232 int     fstat(int, struct stat *) __RENAME(__fstat50);
 233 #endif
 234 mode_t  umask(mode_t);
 235 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
 236 int     fchmod(int, mode_t);
 237 #ifndef __LIBC12_SOURCE__
 238 int     lstat(const char *, struct stat *) __RENAME(__lstat50);
 239 int     mknod(const char *, mode_t, dev_t) __RENAME(__mknod50);
 240 #endif
 241 #endif /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */
 242 __END_DECLS
 243
 244 #endif /* !_KERNEL && !_STANDALONE */
 245 #endif /* !_SYS_STAT_H_ */