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 /*      $OpenBSD: stat.h,v 1.16 2005/12/13 00:35:23 millert 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/cdefs.h>
   44 #include <sys/time.h>
   45 
   46 #ifdef _KERNEL
   47 struct stat43 {
   48         u_int16_t st_dev;               /* inode's device */
   49         ino_t     st_ino;               /* inode's number */
   50         u_int16_t st_mode;              /* inode protection mode */
   51         u_int16_t st_nlink;             /* number of hard links */
   52         u_int16_t st_uid;               /* user ID of the file's owner */
   53         u_int16_t st_gid;               /* group ID of the file's group */
   54         u_int16_t st_rdev;              /* device type */
   55         int32_t   st_size;              /* file size, in bytes */
   56         struct  timespec st_atimespec;  /* time of last access */
   57         struct  timespec st_mtimespec;  /* time of last data modification */
   58         struct  timespec st_ctimespec;  /* time of last file status change */
   59         int32_t   st_blksize;           /* optimal blocksize for I/O */
   60         int32_t   st_blocks;            /* blocks allocated for file */
   61         u_int32_t st_flags;             /* user defined flags for file */
   62         u_int32_t st_gen;               /* file generation number */
   63 };
   64 
   65 struct stat35 {
   66         dev_t     st_dev;               /* inode's device */
   67         ino_t     st_ino;               /* inode's number */
   68         u_int16_t  st_mode;             /* inode protection mode */
   69         u_int16_t  st_nlink;            /* number of hard links */
   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         struct  timespec st_atimespec;  /* time of last access */
   74         struct  timespec st_mtimespec;  /* time of last data modification */
   75         struct  timespec st_ctimespec;  /* time of last file status change */
   76         off_t     st_size;              /* file size, in bytes */
   77         int64_t   st_blocks;            /* blocks allocated for file */
   78         u_int32_t st_blksize;           /* optimal blocksize for I/O */
   79         u_int32_t st_flags;             /* user defined flags for file */
   80         u_int32_t st_gen;               /* file generation number */
   81         int32_t   st_lspare;
   82         int64_t   st_qspare[2];
   83 };
   84 #endif /* !_KERNEL */
   85 
   86 struct stat {
   87         dev_t     st_dev;               /* inode's device */
   88         ino_t     st_ino;               /* inode's number */
   89         mode_t    st_mode;              /* inode protection mode */
   90         nlink_t   st_nlink;             /* number of hard links */
   91         uid_t     st_uid;               /* user ID of the file's owner */
   92         gid_t     st_gid;               /* group ID of the file's group */
   93         dev_t     st_rdev;              /* device type */
   94         int32_t   st_lspare0;
   95 #if __BSD_VISIBLE
   96         struct  timespec st_atimespec;  /* time of last access */
   97         struct  timespec st_mtimespec;  /* time of last data modification */
   98         struct  timespec st_ctimespec;  /* time of last file status change */
   99 #else
  100         time_t    st_atime;             /* time of last access */
  101         long      st_atimensec;         /* nsec of last access */
  102         time_t    st_mtime;             /* time of last data modification */
  103         long      st_mtimensec;         /* nsec of last data modification */
  104         time_t    st_ctime;             /* time of last file status change */
  105         long      st_ctimensec;         /* nsec of last file status change */
  106 #endif /* __BSD_VISIBLE */
  107         off_t     st_size;              /* file size, in bytes */
  108         int64_t   st_blocks;            /* blocks allocated for file */
  109         u_int32_t st_blksize;           /* optimal blocksize for I/O */
  110         u_int32_t st_flags;             /* user defined flags for file */
  111         u_int32_t st_gen;               /* file generation number */
  112         int32_t   st_lspare1;
  113 #if __BSD_VISIBLE
  114         struct  timespec __st_birthtimespec; /* time of file creation */
  115 #else
  116         time_t    __st_birthtime;       /* time of file creation */
  117         long      __st_birthtimensec;   /* nsec of file creation */
  118 #endif
  119         int64_t   st_qspare[2];
  120 };
  121 #if __BSD_VISIBLE
  122 #define st_atime        st_atimespec.tv_sec
  123 #define st_atimensec    st_atimespec.tv_nsec
  124 #define st_mtime        st_mtimespec.tv_sec
  125 #define st_mtimensec    st_mtimespec.tv_nsec
  126 #define st_ctime        st_ctimespec.tv_sec
  127 #define st_ctimensec    st_ctimespec.tv_nsec
  128 #endif
  129 
  130 #define S_ISUID 0004000                 /* set user id on execution */
  131 #define S_ISGID 0002000                 /* set group id on execution */
  132 #if __BSD_VISIBLE
  133 #define S_ISTXT 0001000                 /* sticky bit */
  134 #endif
  135 
  136 #define S_IRWXU 0000700                 /* RWX mask for owner */
  137 #define S_IRUSR 0000400                 /* R for owner */
  138 #define S_IWUSR 0000200                 /* W for owner */
  139 #define S_IXUSR 0000100                 /* X for owner */
  140 
  141 #if __BSD_VISIBLE
  142 #define S_IREAD         S_IRUSR
  143 #define S_IWRITE        S_IWUSR
  144 #define S_IEXEC         S_IXUSR
  145 #endif
  146 
  147 #define S_IRWXG 0000070                 /* RWX mask for group */
  148 #define S_IRGRP 0000040                 /* R for group */
  149 #define S_IWGRP 0000020                 /* W for group */
  150 #define S_IXGRP 0000010                 /* X for group */
  151 
  152 #define S_IRWXO 0000007                 /* RWX mask for other */
  153 #define S_IROTH 0000004                 /* R for other */
  154 #define S_IWOTH 0000002                 /* W for other */
  155 #define S_IXOTH 0000001                 /* X for other */
  156 
  157 #if __XPG_VISIBLE || __BSD_VISIBLE
  158 #define S_IFMT   0170000                /* type of file mask */
  159 #define S_IFIFO  0010000                /* named pipe (fifo) */
  160 #define S_IFCHR  0020000                /* character special */
  161 #define S_IFDIR  0040000                /* directory */
  162 #define S_IFBLK  0060000                /* block special */
  163 #define S_IFREG  0100000                /* regular */
  164 #define S_IFLNK  0120000                /* symbolic link */
  165 #define S_IFSOCK 0140000                /* socket */
  166 #define S_ISVTX  0001000                /* save swapped text even after use */
  167 #endif
  168 
  169 #define S_ISDIR(m)      ((m & 0170000) == 0040000)      /* directory */
  170 #define S_ISCHR(m)      ((m & 0170000) == 0020000)      /* char special */
  171 #define S_ISBLK(m)      ((m & 0170000) == 0060000)      /* block special */
  172 #define S_ISREG(m)      ((m & 0170000) == 0100000)      /* regular file */
  173 #define S_ISFIFO(m)     ((m & 0170000) == 0010000)      /* fifo */
  174 #if __POSIX_VISIBLE >= 200112 || __BSD_VISIBLE
  175 #define S_ISLNK(m)      ((m & 0170000) == 0120000)      /* symbolic link */
  176 #define S_ISSOCK(m)     ((m & 0170000) == 0140000)      /* socket */
  177 #endif
  178 
  179 #if __BSD_VISIBLE
  180 #define ACCESSPERMS     (S_IRWXU|S_IRWXG|S_IRWXO)       /* 00777 */
  181                                                         /* 07777 */
  182 #define ALLPERMS        (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
  183                                                         /* 00666 */
  184 #define DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
  185 
  186 #define S_BLKSIZE       512             /* block size used in the stat struct */
  187 
  188 /*
  189  * Definitions of flags stored in file flags word.
  190  *
  191  * Super-user and owner changeable flags.
  192  */
  193 #define UF_SETTABLE     0x0000ffff      /* mask of owner changeable flags */
  194 #define UF_NODUMP       0x00000001      /* do not dump file */
  195 #define UF_IMMUTABLE    0x00000002      /* file may not be changed */
  196 #define UF_APPEND       0x00000004      /* writes to file may only append */
  197 #define UF_OPAQUE       0x00000008      /* directory is opaque wrt. union */
  198 /*
  199  * Super-user changeable flags.
  200  */
  201 #define SF_SETTABLE     0xffff0000      /* mask of superuser changeable flags */
  202 #define SF_ARCHIVED     0x00010000      /* file is archived */
  203 #define SF_IMMUTABLE    0x00020000      /* file may not be changed */
  204 #define SF_APPEND       0x00040000      /* writes to file may only append */
  205 
  206 #ifdef _KERNEL
  207 /*
  208  * Shorthand abbreviations of above.
  209  */
  210 #define OPAQUE          (UF_OPAQUE)
  211 #define APPEND          (UF_APPEND | SF_APPEND)
  212 #define IMMUTABLE       (UF_IMMUTABLE | SF_IMMUTABLE)
  213 #endif /* _KERNEL */
  214 #endif /* __BSD_VISIBLE */
  215 
  216 #ifndef _KERNEL
  217 __BEGIN_DECLS
  218 int     chmod(const char *, mode_t);
  219 int     fstat(int, struct stat *);
  220 int     mknod(const char *, mode_t, dev_t);
  221 int     mkdir(const char *, mode_t);
  222 int     mkfifo(const char *, mode_t);
  223 int     stat(const char *, struct stat *);
  224 mode_t  umask(mode_t);
  225 #if __BSD_VISIBLE
  226 int     chflags(const char *, unsigned int);
  227 int     fchflags(int, unsigned int);
  228 int     fchmod(int, mode_t);
  229 int     lstat(const char *, struct stat *);
  230 int     isfdtype(int, int);
  231 #endif
  232 __END_DECLS
  233 #endif
  234 #endif /* !_SYS_STAT_H_ */

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