Annotation of Net2/sys/stat.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1982, 1986, 1989 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)stat.h      7.11 (Berkeley) 3/3/91
        !            34:  */
        !            35: 
        !            36: struct stat
        !            37: {
        !            38:        dev_t   st_dev;                 /* inode's device */
        !            39:        ino_t   st_ino;                 /* inode's number */
        !            40:        mode_t  st_mode;                /* inode protection mode */
        !            41:        nlink_t st_nlink;               /* number of hard links */
        !            42:        uid_t   st_uid;                 /* user ID of the file's owner */
        !            43:        gid_t   st_gid;                 /* group ID of the file's group */
        !            44:        dev_t   st_rdev;                /* device type */
        !            45:        off_t   st_size;                /* file size, in bytes */
        !            46:        time_t  st_atime;               /* time of last access */
        !            47:        long    st_spare1;
        !            48:        time_t  st_mtime;               /* time of last data modification */
        !            49:        long    st_spare2;
        !            50:        time_t  st_ctime;               /* time of last file status change */
        !            51:        long    st_spare3;
        !            52:        long    st_blksize;             /* optimal blocksize for I/O */
        !            53:        long    st_blocks;              /* blocks allocated for file */
        !            54:        u_long  st_flags;               /* user defined flags for file */
        !            55:        u_long  st_gen;                 /* file generation number */
        !            56: };
        !            57: 
        !            58: #define        S_ISUID 0004000                 /* set user id on execution */
        !            59: #define        S_ISGID 0002000                 /* set group id on execution */
        !            60: #ifndef _POSIX_SOURCE
        !            61: #define        S_ISTXT 0001000                 /* sticky bit */
        !            62: #endif
        !            63: 
        !            64: #define        S_IRWXU 0000700                 /* RWX mask for owner */
        !            65: #define        S_IRUSR 0000400                 /* R for owner */
        !            66: #define        S_IWUSR 0000200                 /* W for owner */
        !            67: #define        S_IXUSR 0000100                 /* X for owner */
        !            68: 
        !            69: #ifndef _POSIX_SOURCE
        !            70: #define        S_IREAD         S_IRUSR
        !            71: #define        S_IWRITE        S_IWUSR
        !            72: #define        S_IEXEC         S_IXUSR
        !            73: #endif
        !            74: 
        !            75: #define        S_IRWXG 0000070                 /* RWX mask for group */
        !            76: #define        S_IRGRP 0000040                 /* R for group */
        !            77: #define        S_IWGRP 0000020                 /* W for group */
        !            78: #define        S_IXGRP 0000010                 /* X for group */
        !            79: 
        !            80: #define        S_IRWXO 0000007                 /* RWX mask for other */
        !            81: #define        S_IROTH 0000004                 /* R for other */
        !            82: #define        S_IWOTH 0000002                 /* W for other */
        !            83: #define        S_IXOTH 0000001                 /* X for other */
        !            84: 
        !            85: #ifndef _POSIX_SOURCE
        !            86: #define        S_IFMT   0170000                /* type of file */
        !            87: #define        S_IFIFO  0010000                /* named pipe (fifo) */
        !            88: #define        S_IFCHR  0020000                /* character special */
        !            89: #define        S_IFDIR  0040000                /* directory */
        !            90: #define        S_IFBLK  0060000                /* block special */
        !            91: #define        S_IFREG  0100000                /* regular */
        !            92: #define        S_IFLNK  0120000                /* symbolic link */
        !            93: #define        S_IFSOCK 0140000                /* socket */
        !            94: 
        !            95: #define        S_ISVTX  0001000                /* save swapped text even after use */
        !            96: 
        !            97: #define S_BLKSIZE      512             /* block size used in the stat struct */
        !            98: 
        !            99:                                        /* 0666 */
        !           100: #define        DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
        !           101: #endif
        !           102: 
        !           103: #define        S_ISDIR(m)      ((m & 0170000) == 0040000)      /* directory */
        !           104: #define        S_ISCHR(m)      ((m & 0170000) == 0020000)      /* char special */
        !           105: #define        S_ISBLK(m)      ((m & 0170000) == 0060000)      /* block special */
        !           106: #define        S_ISREG(m)      ((m & 0170000) == 0100000)      /* regular file */
        !           107: #define        S_ISFIFO(m)     ((m & 0170000) == 0010000)      /* fifo */
        !           108: #ifndef _POSIX_SOURCE
        !           109: #define        S_ISLNK(m)      ((m & 0170000) == 0120000)      /* symbolic link */
        !           110: #define        S_ISSOCK(m)     ((m & 0170000) == 0140000)      /* socket */
        !           111: #endif
        !           112: 
        !           113: #ifndef KERNEL
        !           114: #include <sys/cdefs.h>
        !           115: 
        !           116: __BEGIN_DECLS
        !           117: mode_t umask __P((mode_t));
        !           118: int    chmod __P((const char *, mode_t));
        !           119: int    fstat __P((int, struct stat *));
        !           120: int    mkdir __P((const char *, mode_t));
        !           121: int    mkfifo __P((const char *, mode_t));
        !           122: int    stat __P((const char *, struct stat *));
        !           123: #ifndef _POSIX_SOURCE
        !           124: int    fchmod __P((int, mode_t));
        !           125: int    lstat __P((const char *, struct stat *));
        !           126: #endif /* not POSIX */
        !           127: __END_DECLS
        !           128: #endif

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