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Annotation of XNU/bsd/sys/stat.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            23: /*-
        !            24:  * Copyright (c) 1982, 1986, 1989, 1993
        !            25:  *     The Regents of the University of California.  All rights reserved.
        !            26:  * (c) UNIX System Laboratories, Inc.
        !            27:  * All or some portions of this file are derived from material licensed
        !            28:  * to the University of California by American Telephone and Telegraph
        !            29:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
        !            30:  * the permission of UNIX System Laboratories, Inc.
        !            31:  *
        !            32:  * Redistribution and use in source and binary forms, with or without
        !            33:  * modification, are permitted provided that the following conditions
        !            34:  * are met:
        !            35:  * 1. Redistributions of source code must retain the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer.
        !            37:  * 2. Redistributions in binary form must reproduce the above copyright
        !            38:  *    notice, this list of conditions and the following disclaimer in the
        !            39:  *    documentation and/or other materials provided with the distribution.
        !            40:  * 3. All advertising materials mentioning features or use of this software
        !            41:  *    must display the following acknowledgement:
        !            42:  *     This product includes software developed by the University of
        !            43:  *     California, Berkeley and its contributors.
        !            44:  * 4. Neither the name of the University nor the names of its contributors
        !            45:  *    may be used to endorse or promote products derived from this software
        !            46:  *    without specific prior written permission.
        !            47:  *
        !            48:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            49:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            50:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            51:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            52:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            53:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            54:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            55:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            56:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            57:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            58:  * SUCH DAMAGE.
        !            59:  *
        !            60:  *     @(#)stat.h      8.9 (Berkeley) 8/17/94
        !            61:  */
        !            62: 
        !            63: 
        !            64: #ifndef _SYS_STAT_H_
        !            65: #define        _SYS_STAT_H_
        !            66: 
        !            67: #include <sys/time.h>
        !            68: 
        !            69: #ifndef _POSIX_SOURCE
        !            70: struct ostat {
        !            71:        u_int16_t st_dev;               /* inode's device */
        !            72:        ino_t     st_ino;               /* inode's number */
        !            73:        mode_t    st_mode;              /* inode protection mode */
        !            74:        nlink_t   st_nlink;             /* number of hard links */
        !            75:        u_int16_t st_uid;               /* user ID of the file's owner */
        !            76:        u_int16_t st_gid;               /* group ID of the file's group */
        !            77:        u_int16_t st_rdev;              /* device type */
        !            78:        int32_t   st_size;              /* file size, in bytes */
        !            79:        struct  timespec st_atimespec;  /* time of last access */
        !            80:        struct  timespec st_mtimespec;  /* time of last data modification */
        !            81:        struct  timespec st_ctimespec;  /* time of last file status change */
        !            82:        int32_t   st_blksize;           /* optimal blocksize for I/O */
        !            83:        int32_t   st_blocks;            /* blocks allocated for file */
        !            84:        u_int32_t st_flags;             /* user defined flags for file */
        !            85:        u_int32_t st_gen;               /* file generation number */
        !            86: };
        !            87: #endif /* !_POSIX_SOURCE */
        !            88: 
        !            89: struct stat {
        !            90:        dev_t     st_dev;               /* inode's device */
        !            91:        ino_t     st_ino;               /* inode's number */
        !            92:        mode_t    st_mode;              /* inode protection mode */
        !            93:        nlink_t   st_nlink;             /* number of hard links */
        !            94:        uid_t     st_uid;               /* user ID of the file's owner */
        !            95:        gid_t     st_gid;               /* group ID of the file's group */
        !            96:        dev_t     st_rdev;              /* device type */
        !            97: #ifndef _POSIX_SOURCE
        !            98:        struct  timespec st_atimespec;  /* time of last access */
        !            99:        struct  timespec st_mtimespec;  /* time of last data modification */
        !           100:        struct  timespec st_ctimespec;  /* time of last file status change */
        !           101: #else
        !           102:        time_t    st_atime;             /* time of last access */
        !           103:        long      st_atimensec;         /* nsec of last access */
        !           104:        time_t    st_mtime;             /* time of last data modification */
        !           105:        long      st_mtimensec;         /* nsec of last data modification */
        !           106:        time_t    st_ctime;             /* time of last file status change */
        !           107:        long      st_ctimensec;         /* nsec of last file status change */
        !           108: #endif
        !           109:        off_t     st_size;              /* file size, in bytes */
        !           110:        int64_t   st_blocks;            /* blocks allocated for file */
        !           111:        u_int32_t st_blksize;           /* optimal blocksize for I/O */
        !           112:        u_int32_t st_flags;             /* user defined flags for file */
        !           113:        u_int32_t st_gen;               /* file generation number */
        !           114:        int32_t   st_lspare;
        !           115:        int64_t   st_qspare[2];
        !           116: };
        !           117: 
        !           118: 
        !           119: #ifndef _POSIX_SOURCE
        !           120: #define st_atime st_atimespec.tv_sec
        !           121: #define st_mtime st_mtimespec.tv_sec
        !           122: #define st_ctime st_ctimespec.tv_sec
        !           123: #endif
        !           124: 
        !           125: #define        S_ISUID 0004000                 /* set user id on execution */
        !           126: #define        S_ISGID 0002000                 /* set group id on execution */
        !           127: #ifndef _POSIX_SOURCE
        !           128: #define        S_ISTXT 0001000                 /* sticky bit */
        !           129: #endif
        !           130: 
        !           131: #define        S_IRWXU 0000700                 /* RWX mask for owner */
        !           132: #define        S_IRUSR 0000400                 /* R for owner */
        !           133: #define        S_IWUSR 0000200                 /* W for owner */
        !           134: #define        S_IXUSR 0000100                 /* X for owner */
        !           135: 
        !           136: #ifndef _POSIX_SOURCE
        !           137: #define        S_IREAD         S_IRUSR
        !           138: #define        S_IWRITE        S_IWUSR
        !           139: #define        S_IEXEC         S_IXUSR
        !           140: #endif
        !           141: 
        !           142: #define        S_IRWXG 0000070                 /* RWX mask for group */
        !           143: #define        S_IRGRP 0000040                 /* R for group */
        !           144: #define        S_IWGRP 0000020                 /* W for group */
        !           145: #define        S_IXGRP 0000010                 /* X for group */
        !           146: 
        !           147: #define        S_IRWXO 0000007                 /* RWX mask for other */
        !           148: #define        S_IROTH 0000004                 /* R for other */
        !           149: #define        S_IWOTH 0000002                 /* W for other */
        !           150: #define        S_IXOTH 0000001                 /* X for other */
        !           151: 
        !           152: #ifndef _POSIX_SOURCE
        !           153: #define        S_IFMT   0170000                /* type of file mask */
        !           154: #define        S_IFIFO  0010000                /* named pipe (fifo) */
        !           155: #define        S_IFCHR  0020000                /* character special */
        !           156: #define        S_IFDIR  0040000                /* directory */
        !           157: #define        S_IFBLK  0060000                /* block special */
        !           158: #define        S_IFREG  0100000                /* regular */
        !           159: #define        S_IFLNK  0120000                /* symbolic link */
        !           160: #define        S_IFSOCK 0140000                /* socket */
        !           161: #define        S_IFWHT  0160000                /* whiteout */
        !           162: #define        S_ISVTX  0001000                /* save swapped text even after use */
        !           163: #endif
        !           164: 
        !           165: #define        S_ISDIR(m)      ((m & 0170000) == 0040000)      /* directory */
        !           166: #define        S_ISCHR(m)      ((m & 0170000) == 0020000)      /* char special */
        !           167: #define        S_ISBLK(m)      ((m & 0170000) == 0060000)      /* block special */
        !           168: #define        S_ISREG(m)      ((m & 0170000) == 0100000)      /* regular file */
        !           169: #define        S_ISFIFO(m)     ((m & 0170000) == 0010000 || \
        !           170:                         (m & 0170000) == 0140000)      /* fifo or socket */
        !           171: #ifndef _POSIX_SOURCE
        !           172: #define        S_ISLNK(m)      ((m & 0170000) == 0120000)      /* symbolic link */
        !           173: #define        S_ISSOCK(m)     ((m & 0170000) == 0010000 || \
        !           174:                         (m & 0170000) == 0140000)      /* fifo or socket */
        !           175: #define        S_ISWHT(m)      ((m & 0170000) == 0160000)      /* whiteout */
        !           176: #endif
        !           177: 
        !           178: #ifndef _POSIX_SOURCE
        !           179: #define        ACCESSPERMS     (S_IRWXU|S_IRWXG|S_IRWXO)       /* 0777 */
        !           180:                                                        /* 7777 */
        !           181: #define        ALLPERMS        (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
        !           182:                                                        /* 0666 */
        !           183: #define        DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
        !           184: 
        !           185: #define S_BLKSIZE      512             /* block size used in the stat struct */
        !           186: 
        !           187: /*
        !           188:  * Definitions of flags stored in file flags word.
        !           189:  *
        !           190:  * Super-user and owner changeable flags.
        !           191:  */
        !           192: #define        UF_SETTABLE     0x0000ffff      /* mask of owner changeable flags */
        !           193: #define        UF_NODUMP       0x00000001      /* do not dump file */
        !           194: #define        UF_IMMUTABLE    0x00000002      /* file may not be changed */
        !           195: #define        UF_APPEND       0x00000004      /* writes to file may only append */
        !           196: #define UF_OPAQUE      0x00000008      /* directory is opaque wrt. union */
        !           197: /*
        !           198:  * Super-user changeable flags.
        !           199:  */
        !           200: #define        SF_SETTABLE     0xffff0000      /* mask of superuser changeable flags */
        !           201: #define        SF_ARCHIVED     0x00010000      /* file is archived */
        !           202: #define        SF_IMMUTABLE    0x00020000      /* file may not be changed */
        !           203: #define        SF_APPEND       0x00040000      /* writes to file may only append */
        !           204: 
        !           205: #ifdef KERNEL
        !           206: /*
        !           207:  * Shorthand abbreviations of above.
        !           208:  */
        !           209: #define        OPAQUE          (UF_OPAQUE)
        !           210: #define        APPEND          (UF_APPEND | SF_APPEND)
        !           211: #define        IMMUTABLE       (UF_IMMUTABLE | SF_IMMUTABLE)
        !           212: #endif
        !           213: #endif
        !           214: 
        !           215: #ifndef KERNEL
        !           216: #include <sys/cdefs.h>
        !           217: 
        !           218: __BEGIN_DECLS
        !           219: int    chmod __P((const char *, mode_t));
        !           220: int    fstat __P((int, struct stat *));
        !           221: int    mkdir __P((const char *, mode_t));
        !           222: int    mkfifo __P((const char *, mode_t));
        !           223: int    stat __P((const char *, struct stat *));
        !           224: mode_t umask __P((mode_t));
        !           225: #ifndef _POSIX_SOURCE
        !           226: int    chflags __P((const char *, u_long));
        !           227: int    fchflags __P((int, u_long));
        !           228: int    fchmod __P((int, mode_t));
        !           229: int    lstat __P((const char *, struct stat *));
        !           230: #endif
        !           231: __END_DECLS
        !           232: #endif
        !           233: #endif /* !_SYS_STAT_H_ */

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