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: src/sys/sys/stat.h,v 1.8.2.3 1999/09/05 08:22:58 peter Exp $
   40  */
   41 
   42 #ifndef _SYS_STAT_H_
   43 #define _SYS_STAT_H_
   44 
   45 #ifndef KERNEL
   46 /*
   47  * XXX we need this for struct timespec.  We get miscellaneous namespace
   48  * pollution with it.  struct timespec itself is namespace pollution if
   49  * _POSIX_SOURCE is defined.
   50  */
   51 #include <sys/time.h>
   52 #endif
   53 
   54 #ifndef _POSIX_SOURCE
   55 struct ostat {
   56         u_int16_t st_dev;               /* inode's device */
   57         ino_t     st_ino;               /* inode's number */
   58         mode_t    st_mode;              /* inode protection mode */
   59         nlink_t   st_nlink;             /* number of hard links */
   60         u_int16_t st_uid;               /* user ID of the file's owner */
   61         u_int16_t st_gid;               /* group ID of the file's group */
   62         u_int16_t st_rdev;              /* device type */
   63         int32_t   st_size;              /* file size, in bytes */
   64         struct  timespec st_atimespec;  /* time of last access */
   65         struct  timespec st_mtimespec;  /* time of last data modification */
   66         struct  timespec st_ctimespec;  /* time of last file status change */
   67         int32_t   st_blksize;           /* optimal blocksize for I/O */
   68         int32_t   st_blocks;            /* blocks allocated for file */
   69         u_int32_t st_flags;             /* user defined flags for file */
   70         u_int32_t st_gen;               /* file generation number */
   71 };
   72 #endif /* !_POSIX_SOURCE */
   73 
   74 struct stat {
   75         dev_t     st_dev;               /* inode's device */
   76         ino_t     st_ino;               /* inode's number */
   77         mode_t    st_mode;              /* inode protection mode */
   78         nlink_t   st_nlink;             /* number of hard links */
   79         uid_t     st_uid;               /* user ID of the file's owner */
   80         gid_t     st_gid;               /* group ID of the file's group */
   81         dev_t     st_rdev;              /* device type */
   82 #ifndef _POSIX_SOURCE
   83         struct  timespec st_atimespec;  /* time of last access */
   84         struct  timespec st_mtimespec;  /* time of last data modification */
   85         struct  timespec st_ctimespec;  /* time of last file status change */
   86 #else
   87         time_t    st_atime;             /* time of last access */
   88         long      st_atimensec;         /* nsec of last access */
   89         time_t    st_mtime;             /* time of last data modification */
   90         long      st_mtimensec;         /* nsec of last data modification */
   91         time_t    st_ctime;             /* time of last file status change */
   92         long      st_ctimensec;         /* nsec of last file status change */
   93 #endif
   94         off_t     st_size;              /* file size, in bytes */
   95         int64_t   st_blocks;            /* blocks allocated for file */
   96         u_int32_t st_blksize;           /* optimal blocksize for I/O */
   97         u_int32_t st_flags;             /* user defined flags for file */
   98         u_int32_t st_gen;               /* file generation number */
   99         int32_t   st_lspare;
  100         int64_t   st_qspare[2];
  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_IFLNK  0120000                /* symbolic link */
  143 #define S_IFSOCK 0140000                /* socket */
  144 #define S_IFWHT  0160000                /* whiteout */
  145 #define S_ISVTX  0001000                /* save swapped text even after use */
  146 #endif
  147 
  148 #define S_ISDIR(m)      (((m) & 0170000) == 0040000)    /* directory */
  149 #define S_ISCHR(m)      (((m) & 0170000) == 0020000)    /* char special */
  150 #define S_ISBLK(m)      (((m) & 0170000) == 0060000)    /* block special */
  151 #define S_ISREG(m)      (((m) & 0170000) == 0100000)    /* regular file */
  152 #define S_ISFIFO(m)     (((m) & 0170000) == 0010000)    /* fifo or socket */
  153 #ifndef _POSIX_SOURCE
  154 #define S_ISLNK(m)      (((m) & 0170000) == 0120000)    /* symbolic link */
  155 #define S_ISSOCK(m)     (((m) & 0170000) == 0140000)    /* socket */
  156 #define S_ISWHT(m)      (((m) & 0170000) == 0160000)    /* whiteout */
  157 #endif
  158 
  159 #ifndef _POSIX_SOURCE
  160 #define ACCESSPERMS     (S_IRWXU|S_IRWXG|S_IRWXO)       /* 0777 */
  161                                                         /* 7777 */
  162 #define ALLPERMS        (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
  163                                                         /* 0666 */
  164 #define DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
  165 
  166 #define S_BLKSIZE       512             /* block size used in the stat struct */
  167 
  168 /*
  169  * Definitions of flags stored in file flags word.
  170  *
  171  * Super-user and owner changeable flags.
  172  */
  173 #define UF_SETTABLE     0x0000ffff      /* mask of owner changeable flags */
  174 #define UF_NODUMP       0x00000001      /* do not dump file */
  175 #define UF_IMMUTABLE    0x00000002      /* file may not be changed */
  176 #define UF_APPEND       0x00000004      /* writes to file may only append */
  177 #define UF_OPAQUE       0x00000008      /* directory is opaque wrt. union */
  178 #define UF_NOUNLINK     0x00000010      /* file may not be removed or renamed */
  179 /*
  180  * Super-user changeable flags.
  181  */
  182 #define SF_SETTABLE     0xffff0000      /* mask of superuser changeable flags */
  183 #define SF_ARCHIVED     0x00010000      /* file is archived */
  184 #define SF_IMMUTABLE    0x00020000      /* file may not be changed */
  185 #define SF_APPEND       0x00040000      /* writes to file may only append */
  186 #define SF_NOUNLINK     0x00100000      /* file may not be removed or renamed */
  187 
  188 #ifdef KERNEL
  189 /*
  190  * Shorthand abbreviations of above.
  191  */
  192 #define OPAQUE          (UF_OPAQUE)
  193 #define APPEND          (UF_APPEND | SF_APPEND)
  194 #define IMMUTABLE       (UF_IMMUTABLE | SF_IMMUTABLE)
  195 #define NOUNLINK        (UF_NOUNLINK | SF_NOUNLINK)
  196 #endif
  197 
  198 #endif /* !_POSIX_SOURCE */
  199 
  200 #ifdef KERNEL
  201 void    cvtstat __P((struct stat *, struct ostat *));
  202 #else /* KERNEL */
  203 #include <sys/cdefs.h>
  204 
  205 __BEGIN_DECLS
  206 int     chmod __P((const char *, mode_t));
  207 int     fstat __P((int, struct stat *));
  208 int     mkdir __P((const char *, mode_t));
  209 int     mkfifo __P((const char *, mode_t));
  210 int     stat __P((const char *, struct stat *));
  211 mode_t  umask __P((mode_t));
  212 #ifndef _POSIX_SOURCE
  213 int     chflags __P((const char *, u_long));
  214 int     fchflags __P((int, u_long));
  215 int     fchmod __P((int, mode_t));
  216 int     lstat __P((const char *, struct stat *));
  217 #endif
  218 __END_DECLS
  219 
  220 #endif /* KERNEL */
  221 
  222 #endif /* !_SYS_STAT_H_ */

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