298 lines
12 KiB
C
298 lines
12 KiB
C
/* $NetBSD: stat.h,v 1.41 2002/05/03 00:27:45 eeh Exp $ */
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/*-
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)stat.h 8.12 (Berkeley) 8/17/94
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*/
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#ifndef _SYS_STAT_H_
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#define _SYS_STAT_H_
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#include <sys/featuretest.h>
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#include <sys/types.h> /* XXX */
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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#include <sys/time.h>
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#endif
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#ifdef _KERNEL
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struct stat43 { /* BSD-4.3 stat struct */
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u_int16_t st_dev; /* inode's device */
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ino_t st_ino; /* inode's number */
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u_int16_t st_mode; /* inode protection mode */
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u_int16_t st_nlink; /* number of hard links */
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u_int16_t st_uid; /* user ID of the file's owner */
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u_int16_t st_gid; /* group ID of the file's group */
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u_int16_t st_rdev; /* device type */
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int32_t st_size; /* file size, in bytes */
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struct timespec st_atimespec;/* time of last access */
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struct timespec st_mtimespec;/* time of last data modification */
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struct timespec st_ctimespec;/* time of last file status change */
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int32_t st_blksize; /* optimal blocksize for I/O */
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int32_t st_blocks; /* blocks allocated for file */
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u_int32_t st_flags; /* user defined flags for file */
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u_int32_t st_gen; /* file generation number */
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};
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#endif /* defined(_KERNEL) */
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#if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
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struct stat12 { /* NetBSD-1.2 stat struct */
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dev_t st_dev; /* inode's device */
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ino_t st_ino; /* inode's number */
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u_int16_t st_mode; /* inode protection mode */
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u_int16_t st_nlink; /* number of hard links */
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uid_t st_uid; /* user ID of the file's owner */
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gid_t st_gid; /* group ID of the file's group */
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dev_t st_rdev; /* device type */
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struct timespec st_atimespec;/* time of last access */
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struct timespec st_mtimespec;/* time of last data modification */
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struct timespec st_ctimespec;/* time of last file status change */
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off_t st_size; /* file size, in bytes */
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int64_t st_blocks; /* blocks allocated for file */
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u_int32_t st_blksize; /* optimal blocksize for I/O */
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u_int32_t st_flags; /* user defined flags for file */
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u_int32_t st_gen; /* file generation number */
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int32_t st_lspare;
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int64_t st_qspare[2];
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};
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#endif /* defined(__LIBC12_SOURCE__) || defined(_KERNEL) */
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/*
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* On systems with 8 byte longs and 4 byte time_ts, padding the time_ts
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* is required in order to have a consistent ABI. This is because the
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* stat structure used to contain timespecs, which had different
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* alignment constraints than a time_t and a long alone. The padding
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* should be removed the next time the stat structure ABI is changed.
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* (This will happen whever we change to 8 byte time_t.)
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*/
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#if defined(_LP64) /* XXXX && _BSD_TIME_T_ == int */
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#define __STATPAD(x) int x;
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#else
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#define __STATPAD(x) /* nothing */
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#endif
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struct stat {
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dev_t st_dev; /* inode's device */
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ino_t st_ino; /* inode's number */
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mode_t st_mode; /* inode protection mode */
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nlink_t st_nlink; /* number of hard links */
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uid_t st_uid; /* user ID of the file's owner */
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gid_t st_gid; /* group ID of the file's group */
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dev_t st_rdev; /* device type */
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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struct timespec st_atimespec;/* time of last access */
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struct timespec st_mtimespec;/* time of last data modification */
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struct timespec st_ctimespec;/* time of last file status change */
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#else
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__STATPAD(__pad0)
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time_t st_atime; /* time of last access */
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__STATPAD(__pad1)
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long st_atimensec; /* nsec of last access */
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time_t st_mtime; /* time of last data modification */
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__STATPAD(__pad2)
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long st_mtimensec; /* nsec of last data modification */
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time_t st_ctime; /* time of last file status change */
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__STATPAD(__pad3)
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long st_ctimensec; /* nsec of last file status change */
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#endif
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off_t st_size; /* file size, in bytes */
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blkcnt_t st_blocks; /* blocks allocated for file */
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blksize_t st_blksize; /* optimal blocksize for I/O */
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u_int32_t st_flags; /* user defined flags for file */
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u_int32_t st_gen; /* file generation number */
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int64_t st_qspare[2];
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};
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#undef __STATPAD
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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#define st_atime st_atimespec.tv_sec
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#define st_atimensec st_atimespec.tv_nsec
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#define st_mtime st_mtimespec.tv_sec
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#define st_mtimensec st_mtimespec.tv_nsec
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#define st_ctime st_ctimespec.tv_sec
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#define st_ctimensec st_ctimespec.tv_nsec
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#endif
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#define S_ISUID 0004000 /* set user id on execution */
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#define S_ISGID 0002000 /* set group id on execution */
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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#define S_ISTXT 0001000 /* sticky bit */
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#endif
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#define S_IRWXU 0000700 /* RWX mask for owner */
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#define S_IRUSR 0000400 /* R for owner */
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#define S_IWUSR 0000200 /* W for owner */
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#define S_IXUSR 0000100 /* X for owner */
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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#define S_IREAD S_IRUSR
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#define S_IWRITE S_IWUSR
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#define S_IEXEC S_IXUSR
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#endif
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#define S_IRWXG 0000070 /* RWX mask for group */
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#define S_IRGRP 0000040 /* R for group */
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#define S_IWGRP 0000020 /* W for group */
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#define S_IXGRP 0000010 /* X for group */
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#define S_IRWXO 0000007 /* RWX mask for other */
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#define S_IROTH 0000004 /* R for other */
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#define S_IWOTH 0000002 /* W for other */
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#define S_IXOTH 0000001 /* X for other */
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#define _S_IFMT 0170000 /* type of file mask */
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#define _S_IFIFO 0010000 /* named pipe (fifo) */
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#define _S_IFCHR 0020000 /* character special */
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#define _S_IFDIR 0040000 /* directory */
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#define _S_IFBLK 0060000 /* block special */
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#define _S_IFREG 0100000 /* regular */
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#define _S_IFLNK 0120000 /* symbolic link */
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#define _S_ISVTX 0001000 /* save swapped text even after use */
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#define _S_IFSOCK 0140000 /* socket */
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#define _S_IFWHT 0160000 /* whiteout */
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#define _S_ARCH1 0200000 /* Archive state 1, ls -l shows 'a' */
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#define _S_ARCH2 0400000 /* Archive state 2, ls -l shows 'A' */
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#if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
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#define S_IFMT _S_IFMT
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#define S_IFIFO _S_IFIFO
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#define S_IFCHR _S_IFCHR
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#define S_IFDIR _S_IFDIR
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#define S_IFBLK _S_IFBLK
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#define S_IFREG _S_IFREG
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#define S_IFLNK _S_IFLNK
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#define S_ISVTX _S_ISVTX
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#endif
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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#define S_IFSOCK _S_IFSOCK
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#define S_IFWHT _S_IFWHT
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#define S_ARCH1 _S_ARCH1
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#define S_ARCH2 _S_ARCH2
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#endif
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#define S_ISDIR(m) ((m & _S_IFMT) == _S_IFDIR) /* directory */
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#define S_ISCHR(m) ((m & _S_IFMT) == _S_IFCHR) /* char special */
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#define S_ISBLK(m) ((m & _S_IFMT) == _S_IFBLK) /* block special */
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#define S_ISREG(m) ((m & _S_IFMT) == _S_IFREG) /* regular file */
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#define S_ISFIFO(m) ((m & _S_IFMT) == _S_IFIFO) /* fifo */
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#if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
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#define S_ISLNK(m) ((m & _S_IFMT) == _S_IFLNK) /* symbolic link */
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#endif
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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#define S_ISSOCK(m) ((m & _S_IFMT) == _S_IFSOCK) /* socket */
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#define S_ISWHT(m) ((m & _S_IFMT) == _S_IFWHT) /* whiteout */
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#endif
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
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/* 7777 */
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#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
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/* 0666 */
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#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
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#define S_BLKSIZE 512 /* block size used in the stat struct */
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/*
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* Definitions of flags stored in file flags word.
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*
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* Super-user and owner changeable flags.
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*/
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#define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
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#define UF_NODUMP 0x00000001 /* do not dump file */
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#define UF_IMMUTABLE 0x00000002 /* file may not be changed */
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#define UF_APPEND 0x00000004 /* writes to file may only append */
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#define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
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/*
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* Super-user changeable flags.
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*/
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#define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
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#define SF_ARCHIVED 0x00010000 /* file is archived */
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#define SF_IMMUTABLE 0x00020000 /* file may not be changed */
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#define SF_APPEND 0x00040000 /* writes to file may only append */
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#ifdef _KERNEL
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/*
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* Shorthand abbreviations of above.
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*/
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#define OPAQUE (UF_OPAQUE)
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#define APPEND (UF_APPEND | SF_APPEND)
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#define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
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#endif /* _KERNEL */
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#endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
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#if !defined(_KERNEL) && !defined(_STANDALONE)
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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int chmod __P((const char *, mode_t));
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int mkdir __P((const char *, mode_t));
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int mkfifo __P((const char *, mode_t));
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#ifdef __LIBC12_SOURCE__
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int stat __P((const char *, struct stat12 *));
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int fstat __P((int, struct stat12 *));
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int __stat13 __P((const char *, struct stat *));
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int __fstat13 __P((int, struct stat *));
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#else
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int stat __P((const char *, struct stat *)) __RENAME(__stat13);
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int fstat __P((int, struct stat *)) __RENAME(__fstat13);
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#endif
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mode_t umask __P((mode_t));
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#if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
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int fchmod __P((int, mode_t));
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#ifdef __LIBC12_SOURCE__
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int lstat __P((const char *, struct stat12 *));
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int __lstat13 __P((const char *, struct stat *));
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#else
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int lstat __P((const char *, struct stat *)) __RENAME(__lstat13);
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#endif
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int mknod __P((const char *, mode_t, dev_t));
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#endif /* !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
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#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
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int chflags __P((const char *, unsigned long));
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int fchflags __P((int, unsigned long));
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int lchflags __P((const char *, unsigned long));
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int lchmod __P((const char *, mode_t));
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#endif /* !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) */
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__END_DECLS
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#endif /* !_KERNEL && !_STANDALONE */
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#endif /* !_SYS_STAT_H_ */
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