FreeBSD/Linux Kernel Cross Reference
sys/sys/stat.h

     /*      $NetBSD: stat.h,v 1.54.18.1 2009/12/16 11:17:39 sborrill Exp $  */
     
     /*-
      * Copyright (c) 1982, 1986, 1989, 1993
      *      The Regents of the University of California.  All rights reserved.
      * (c) UNIX System Laboratories, Inc.
      * All or some portions of this file are derived from material licensed
      * to the University of California by American Telephone and Telegraph
      * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     * the permission of UNIX System Laboratories, Inc.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)stat.h      8.12 (Berkeley) 8/17/94
     */
    
    #ifndef _SYS_STAT_H_
    #define _SYS_STAT_H_
    
    #include <sys/featuretest.h>
    #include <sys/types.h>          /* XXX */
    
    #if defined(_NETBSD_SOURCE)
    #include <sys/time.h>
    #endif
    
    /*
     * On systems with 8 byte longs and 4 byte time_ts, padding the time_ts
     * is required in order to have a consistent ABI.  This is because the
     * stat structure used to contain timespecs, which had different
     * alignment constraints than a time_t and a long alone.  The padding
     * should be removed the next time the stat structure ABI is changed.
     * (This will happen whever we change to 8 byte time_t.)
     */
    #if defined(_LP64)      /* XXXX  && _BSD_TIME_T_ == int */
    #define __STATPAD(x)    int x;
    #else
    #define __STATPAD(x)    /* nothing */
    #endif
    
    struct stat {
            dev_t     st_dev;               /* inode's device */
            mode_t    st_mode;              /* inode protection mode */
            ino_t     st_ino;               /* inode's number */
            nlink_t   st_nlink;             /* number of hard links */
            uid_t     st_uid;               /* user ID of the file's owner */
            gid_t     st_gid;               /* group ID of the file's group */
            dev_t     st_rdev;              /* device type */
    #if defined(_NETBSD_SOURCE)
            struct    timespec st_atimespec;/* time of last access */
            struct    timespec st_mtimespec;/* time of last data modification */
            struct    timespec st_ctimespec;/* time of last file status change */
            struct    timespec st_birthtimespec; /* time of creation */
    #else
            time_t    st_atime;             /* time of last access */
            __STATPAD(__pad0)
            long      st_atimensec;         /* nsec of last access */
            time_t    st_mtime;             /* time of last data modification */
            __STATPAD(__pad1)
            long      st_mtimensec;         /* nsec of last data modification */
            time_t    st_ctime;             /* time of last file status change */
            __STATPAD(__pad2)
            long      st_ctimensec;         /* nsec of last file status change */
            time_t    st_birthtime;         /* time of creation */
            __STATPAD(__pad3)
            long      st_birthtimensec;     /* nsec of time of creation */
    #endif
            off_t     st_size;              /* file size, in bytes */
            blkcnt_t  st_blocks;            /* blocks allocated for file */
            blksize_t st_blksize;           /* optimal blocksize for I/O */
            uint32_t  st_flags;             /* user defined flags for file */
            uint32_t  st_gen;               /* file generation number */
            uint32_t  st_spare[2];
    };
    
    #undef __STATPAD
    
   #if defined(_NETBSD_SOURCE)
   #define st_atime                st_atimespec.tv_sec
   #define st_atimensec            st_atimespec.tv_nsec
   #define st_mtime                st_mtimespec.tv_sec
   #define st_mtimensec            st_mtimespec.tv_nsec
   #define st_ctime                st_ctimespec.tv_sec
   #define st_ctimensec            st_ctimespec.tv_nsec
   #define st_birthtime            st_birthtimespec.tv_sec
   #define st_birthtimensec        st_birthtimespec.tv_nsec
   #endif
   
   #define S_ISUID 0004000                 /* set user id on execution */
   #define S_ISGID 0002000                 /* set group id on execution */
   #if defined(_NETBSD_SOURCE)
   #define S_ISTXT 0001000                 /* sticky bit */
   #endif
   
   #define S_IRWXU 0000700                 /* RWX mask for owner */
   #define S_IRUSR 0000400                 /* R for owner */
   #define S_IWUSR 0000200                 /* W for owner */
   #define S_IXUSR 0000100                 /* X for owner */
   
   #if defined(_NETBSD_SOURCE)
   #define S_IREAD         S_IRUSR
   #define S_IWRITE        S_IWUSR
   #define S_IEXEC         S_IXUSR
   #endif
   
   #define S_IRWXG 0000070                 /* RWX mask for group */
   #define S_IRGRP 0000040                 /* R for group */
   #define S_IWGRP 0000020                 /* W for group */
   #define S_IXGRP 0000010                 /* X for group */
   
   #define S_IRWXO 0000007                 /* RWX mask for other */
   #define S_IROTH 0000004                 /* R for other */
   #define S_IWOTH 0000002                 /* W for other */
   #define S_IXOTH 0000001                 /* X for other */
   
   #define _S_IFMT   0170000               /* type of file mask */
   #define _S_IFIFO  0010000               /* named pipe (fifo) */
   #define _S_IFCHR  0020000               /* character special */
   #define _S_IFDIR  0040000               /* directory */
   #define _S_IFBLK  0060000               /* block special */
   #define _S_IFREG  0100000               /* regular */
   #define _S_IFLNK  0120000               /* symbolic link */
   #define _S_ISVTX  0001000               /* save swapped text even after use */
   #define _S_IFSOCK 0140000               /* socket */
   #define _S_IFWHT  0160000               /* whiteout */
   #define _S_ARCH1  0200000               /* Archive state 1, ls -l shows 'a' */
   #define _S_ARCH2  0400000               /* Archive state 2, ls -l shows 'A' */
   
   #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
   #define S_IFMT   _S_IFMT
   #define S_IFIFO  _S_IFIFO
   #define S_IFCHR  _S_IFCHR
   #define S_IFDIR  _S_IFDIR
   #define S_IFBLK  _S_IFBLK
   #define S_IFREG  _S_IFREG
   #define S_IFLNK  _S_IFLNK
   #define S_ISVTX  _S_ISVTX
   #endif
   #if ((_XOPEN_SOURCE - 0) >= 600) || defined(_NETBSD_SOURCE)
   #define S_IFSOCK _S_IFSOCK
   #endif
   #if defined(_NETBSD_SOURCE)
   #define S_IFWHT  _S_IFWHT
   
   #define S_ARCH1 _S_ARCH1
   #define S_ARCH2 _S_ARCH2
   #endif
   
   #define S_ISDIR(m)      (((m) & _S_IFMT) == _S_IFDIR)   /* directory */
   #define S_ISCHR(m)      (((m) & _S_IFMT) == _S_IFCHR)   /* char special */
   #define S_ISBLK(m)      (((m) & _S_IFMT) == _S_IFBLK)   /* block special */
   #define S_ISREG(m)      (((m) & _S_IFMT) == _S_IFREG)   /* regular file */
   #define S_ISFIFO(m)     (((m) & _S_IFMT) == _S_IFIFO)   /* fifo */
   #if ((_POSIX_C_SOURCE - 0) >= 200112L) || defined(_XOPEN_SOURCE) || \
       defined(_NETBSD_SOURCE)
   #define S_ISLNK(m)      (((m) & _S_IFMT) == _S_IFLNK)   /* symbolic link */
   #endif
   #if ((_POSIX_C_SOURCE - 0) >= 200112L) || ((_XOPEN_SOURCE - 0) >= 600) || \
       defined(_NETBSD_SOURCE)
   #define S_ISSOCK(m)     (((m) & _S_IFMT) == _S_IFSOCK)  /* socket */
   #endif
   #if defined(_NETBSD_SOURCE)
   #define S_ISWHT(m)      (((m) & _S_IFMT) == _S_IFWHT)   /* whiteout */
   #endif
   
   #if defined(_NETBSD_SOURCE)
   #define ACCESSPERMS     (S_IRWXU|S_IRWXG|S_IRWXO)       /* 0777 */
                                                           /* 7777 */
   #define ALLPERMS        (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
                                                           /* 0666 */
   #define DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
   
   #define S_BLKSIZE       512             /* block size used in the stat struct */
   
   /*
    * Definitions of flags stored in file flags word.
    *
    * Super-user and owner changeable flags.
    */
   #define UF_SETTABLE     0x0000ffff      /* mask of owner changeable flags */
   #define UF_NODUMP       0x00000001      /* do not dump file */
   #define UF_IMMUTABLE    0x00000002      /* file may not be changed */
   #define UF_APPEND       0x00000004      /* writes to file may only append */
   #define UF_OPAQUE       0x00000008      /* directory is opaque wrt. union */
   /*      UF_NOUNLINK     0x00000010         [NOT IMPLEMENTED] */
   /*
    * Super-user changeable flags.
    */
   #define SF_SETTABLE     0xffff0000      /* mask of superuser changeable flags */
   #define SF_ARCHIVED     0x00010000      /* file is archived */
   #define SF_IMMUTABLE    0x00020000      /* file may not be changed */
   #define SF_APPEND       0x00040000      /* writes to file may only append */
   /*      SF_NOUNLINK     0x00100000         [NOT IMPLEMENTED] */
   #define SF_SNAPSHOT     0x00200000      /* snapshot inode */
   
   #ifdef _KERNEL
   /*
    * Shorthand abbreviations of above.
    */
   #define OPAQUE          (UF_OPAQUE)
   #define APPEND          (UF_APPEND | SF_APPEND)
   #define IMMUTABLE       (UF_IMMUTABLE | SF_IMMUTABLE)
   #endif /* _KERNEL */
   #endif /* _NETBSD_SOURCE */
   
   #if !defined(_KERNEL) && !defined(_STANDALONE)
   #include <sys/cdefs.h>
   
   __BEGIN_DECLS
   int     chmod(const char *, mode_t);
   int     mkdir(const char *, mode_t);
   int     mkfifo(const char *, mode_t);
   #ifndef __LIBC12_SOURCE__
   int     stat(const char *, struct stat *) __RENAME(__stat30);
   int     fstat(int, struct stat *) __RENAME(__fstat30);
   #endif
   mode_t  umask(mode_t);
   #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
   int     fchmod(int, mode_t);
   #ifndef __LIBC12_SOURCE__
   int     lstat(const char *, struct stat *) __RENAME(__lstat30);
   #endif
   int     mknod(const char *, mode_t, dev_t);
   #endif /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */
   
   #if defined(_NETBSD_SOURCE)
   int     chflags(const char *, unsigned long);
   int     fchflags(int, unsigned long);
   int     lchflags(const char *, unsigned long);
   int     lchmod(const char *, mode_t);
   #endif /* defined(_NETBSD_SOURCE) */
   __END_DECLS
   
   #endif /* !_KERNEL && !_STANDALONE */
   #endif /* !_SYS_STAT_H_ */

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