The Design and Implementation of the FreeBSD Operating System, Second Edition
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 /*-
    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. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the University of
   21  *      California, Berkeley and its contributors.
   22  * 4. Neither the name of the University nor the names of its contributors
   23  *    may be used to endorse or promote products derived from this software
   24  *    without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   36  * SUCH DAMAGE.
   37  *
   38  *      @(#)stat.h      8.12 (Berkeley) 6/16/95
   39  * $FreeBSD: stable/4/sys/sys/stat.h 55205 1999-12-29 04:46:21Z peter $
   40  */
   41 
   42 #ifndef _SYS_STAT_H_
   43 #define _SYS_STAT_H_
   44 
   45 #if !defined(_KERNEL) && !defined(_POSIX_SOURCE)
   46 /*
   47  * XXX we need this for struct timespec.  We get miscellaneous namespace
   48  * pollution with it.
   49  */
   50 #include <sys/time.h>
   51 #endif
   52 
   53 #ifdef _KERNEL
   54 #define __dev_t udev_t
   55 #else
   56 #define __dev_t dev_t
   57 #endif
   58 
   59 #ifndef _POSIX_SOURCE
   60 struct ostat {
   61         u_int16_t st_dev;               /* inode's device */
   62         ino_t     st_ino;               /* inode's number */
   63         mode_t    st_mode;              /* inode protection mode */
   64         nlink_t   st_nlink;             /* number of hard links */
   65         u_int16_t st_uid;               /* user ID of the file's owner */
   66         u_int16_t st_gid;               /* group ID of the file's group */
   67         u_int16_t st_rdev;              /* device type */
   68         int32_t   st_size;              /* file size, in bytes */
   69         struct  timespec st_atimespec;  /* time of last access */
   70         struct  timespec st_mtimespec;  /* time of last data modification */
   71         struct  timespec st_ctimespec;  /* time of last file status change */
   72         int32_t   st_blksize;           /* optimal blocksize for I/O */
   73         int32_t   st_blocks;            /* blocks allocated for file */
   74         u_int32_t st_flags;             /* user defined flags for file */
   75         u_int32_t st_gen;               /* file generation number */
   76 };
   77 #endif /* !_POSIX_SOURCE */
   78 
   79 struct stat {
   80         __dev_t   st_dev;               /* inode's device */
   81         ino_t     st_ino;               /* inode's number */
   82         mode_t    st_mode;              /* inode protection mode */
   83         nlink_t   st_nlink;             /* number of hard links */
   84         uid_t     st_uid;               /* user ID of the file's owner */
   85         gid_t     st_gid;               /* group ID of the file's group */
   86         __dev_t   st_rdev;              /* device type */
   87 #ifndef _POSIX_SOURCE
   88         struct  timespec st_atimespec;  /* time of last access */
   89         struct  timespec st_mtimespec;  /* time of last data modification */
   90         struct  timespec st_ctimespec;  /* time of last file status change */
   91 #else
   92         time_t    st_atime;             /* time of last access */
   93         long      st_atimensec;         /* nsec of last access */
   94         time_t    st_mtime;             /* time of last data modification */
   95         long      st_mtimensec;         /* nsec of last data modification */
   96         time_t    st_ctime;             /* time of last file status change */
   97         long      st_ctimensec;         /* nsec of last file status change */
   98 #endif
   99         off_t     st_size;              /* file size, in bytes */
  100         int64_t   st_blocks;            /* blocks allocated for file */
  101         u_int32_t st_blksize;           /* optimal blocksize for I/O */
  102         u_int32_t st_flags;             /* user defined flags for file */
  103         u_int32_t st_gen;               /* file generation number */
  104         int32_t   st_lspare;
  105         int64_t   st_qspare[2];
  106 };
  107 
  108 #ifndef _POSIX_SOURCE
  109 struct nstat {
  110         __dev_t   st_dev;               /* inode's device */
  111         ino_t     st_ino;               /* inode's number */
  112         u_int32_t st_mode;              /* inode protection mode */
  113         u_int32_t st_nlink;             /* number of hard links */
  114         uid_t     st_uid;               /* user ID of the file's owner */
  115         gid_t     st_gid;               /* group ID of the file's group */
  116         __dev_t   st_rdev;              /* device type */
  117 #ifndef _POSIX_SOURCE
  118         struct  timespec st_atimespec;  /* time of last access */
  119         struct  timespec st_mtimespec;  /* time of last data modification */
  120         struct  timespec st_ctimespec;  /* time of last file status change */
  121 #else
  122         time_t    st_atime;             /* time of last access */
  123         long      st_atimensec;         /* nsec of last access */
  124         time_t    st_mtime;             /* time of last data modification */
  125         long      st_mtimensec;         /* nsec of last data modification */
  126         time_t    st_ctime;             /* time of last file status change */
  127         long      st_ctimensec;         /* nsec of last file status change */
  128 #endif
  129         off_t     st_size;              /* file size, in bytes */
  130         int64_t   st_blocks;            /* blocks allocated for file */
  131         u_int32_t st_blksize;           /* optimal blocksize for I/O */
  132         u_int32_t st_flags;             /* user defined flags for file */
  133         u_int32_t st_gen;               /* file generation number */
  134         int64_t   st_qspare[2];
  135 };
  136 #endif
  137 
  138 #undef __dev_t
  139 
  140 #ifndef _POSIX_SOURCE
  141 #define st_atime st_atimespec.tv_sec
  142 #define st_mtime st_mtimespec.tv_sec
  143 #define st_ctime st_ctimespec.tv_sec
  144 #endif
  145 
  146 #define S_ISUID 0004000                 /* set user id on execution */
  147 #define S_ISGID 0002000                 /* set group id on execution */
  148 #ifndef _POSIX_SOURCE
  149 #define S_ISTXT 0001000                 /* sticky bit */
  150 #endif
  151 
  152 #define S_IRWXU 0000700                 /* RWX mask for owner */
  153 #define S_IRUSR 0000400                 /* R for owner */
  154 #define S_IWUSR 0000200                 /* W for owner */
  155 #define S_IXUSR 0000100                 /* X for owner */
  156 
  157 #ifndef _POSIX_SOURCE
  158 #define S_IREAD         S_IRUSR
  159 #define S_IWRITE        S_IWUSR
  160 #define S_IEXEC         S_IXUSR
  161 #endif
  162 
  163 #define S_IRWXG 0000070                 /* RWX mask for group */
  164 #define S_IRGRP 0000040                 /* R for group */
  165 #define S_IWGRP 0000020                 /* W for group */
  166 #define S_IXGRP 0000010                 /* X for group */
  167 
  168 #define S_IRWXO 0000007                 /* RWX mask for other */
  169 #define S_IROTH 0000004                 /* R for other */
  170 #define S_IWOTH 0000002                 /* W for other */
  171 #define S_IXOTH 0000001                 /* X for other */
  172 
  173 #ifndef _POSIX_SOURCE
  174 #define S_IFMT   0170000                /* type of file mask */
  175 #define S_IFIFO  0010000                /* named pipe (fifo) */
  176 #define S_IFCHR  0020000                /* character special */
  177 #define S_IFDIR  0040000                /* directory */
  178 #define S_IFBLK  0060000                /* block special */
  179 #define S_IFREG  0100000                /* regular */
  180 #define S_IFLNK  0120000                /* symbolic link */
  181 #define S_IFSOCK 0140000                /* socket */
  182 #define S_IFWHT  0160000                /* whiteout */
  183 #define S_ISVTX  0001000                /* save swapped text even after use */
  184 #endif
  185 
  186 #define S_ISDIR(m)      (((m) & 0170000) == 0040000)    /* directory */
  187 #define S_ISCHR(m)      (((m) & 0170000) == 0020000)    /* char special */
  188 #define S_ISBLK(m)      (((m) & 0170000) == 0060000)    /* block special */
  189 #define S_ISREG(m)      (((m) & 0170000) == 0100000)    /* regular file */
  190 #define S_ISFIFO(m)     (((m) & 0170000) == 0010000)    /* fifo or socket */
  191 #ifndef _POSIX_SOURCE
  192 #define S_ISLNK(m)      (((m) & 0170000) == 0120000)    /* symbolic link */
  193 #define S_ISSOCK(m)     (((m) & 0170000) == 0140000)    /* socket */
  194 #define S_ISWHT(m)      (((m) & 0170000) == 0160000)    /* whiteout */
  195 #endif
  196 
  197 #ifndef _POSIX_SOURCE
  198 #define ACCESSPERMS     (S_IRWXU|S_IRWXG|S_IRWXO)       /* 0777 */
  199                                                         /* 7777 */
  200 #define ALLPERMS        (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
  201                                                         /* 0666 */
  202 #define DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
  203 
  204 #define S_BLKSIZE       512             /* block size used in the stat struct */
  205 
  206 /*
  207  * Definitions of flags stored in file flags word.
  208  *
  209  * Super-user and owner changeable flags.
  210  */
  211 #define UF_SETTABLE     0x0000ffff      /* mask of owner changeable flags */
  212 #define UF_NODUMP       0x00000001      /* do not dump file */
  213 #define UF_IMMUTABLE    0x00000002      /* file may not be changed */
  214 #define UF_APPEND       0x00000004      /* writes to file may only append */
  215 #define UF_OPAQUE       0x00000008      /* directory is opaque wrt. union */
  216 #define UF_NOUNLINK     0x00000010      /* file may not be removed or renamed */
  217 /*
  218  * Super-user changeable flags.
  219  */
  220 #define SF_SETTABLE     0xffff0000      /* mask of superuser changeable flags */
  221 #define SF_ARCHIVED     0x00010000      /* file is archived */
  222 #define SF_IMMUTABLE    0x00020000      /* file may not be changed */
  223 #define SF_APPEND       0x00040000      /* writes to file may only append */
  224 #define SF_NOUNLINK     0x00100000      /* file may not be removed or renamed */
  225 
  226 #ifdef _KERNEL
  227 /*
  228  * Shorthand abbreviations of above.
  229  */
  230 #define OPAQUE          (UF_OPAQUE)
  231 #define APPEND          (UF_APPEND | SF_APPEND)
  232 #define IMMUTABLE       (UF_IMMUTABLE | SF_IMMUTABLE)
  233 #define NOUNLINK        (UF_NOUNLINK | SF_NOUNLINK)
  234 #endif
  235 
  236 #endif /* !_POSIX_SOURCE */
  237 
  238 #ifndef _KERNEL
  239 #include <sys/cdefs.h>
  240 
  241 __BEGIN_DECLS
  242 int     chmod __P((const char *, mode_t));
  243 int     fstat __P((int, struct stat *));
  244 int     mkdir __P((const char *, mode_t));
  245 int     mkfifo __P((const char *, mode_t));
  246 int     stat __P((const char *, struct stat *));
  247 mode_t  umask __P((mode_t));
  248 
  249 #ifndef _POSIX_SOURCE
  250 int     chflags __P((const char *, u_long));
  251 int     fchflags __P((int, u_long));
  252 int     fchmod __P((int, mode_t));
  253 int     lchmod __P((const char *, mode_t));
  254 int     lstat __P((const char *, struct stat *));
  255 #endif
  256 __END_DECLS
  257 
  258 #endif /* !_KERNEL */
  259 
  260 #endif /* !_SYS_STAT_H_ */

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