haiku/headers/posix/sys/stat.h

247 lines
8.4 KiB
C

/*-
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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 8.9 (Berkeley) 8/17/94
*/
#ifndef _SYS_STAT_H_
#define _SYS_STAT_H_
//#include <sys/time.h>
/**
* @file stat.h
* @brief Stat structures and defines
*/
/**
* @defgroup OpenBeOS_POSIX POSIX Headers
* @brief Headers to provide the POSIX layer
*/
/**
* @defgroup Stat sys/stat.h
* @brief Structures and prototypes for stat operations
* @ingroup OpenBeOS_POSIX
* @{
*/
/* XXX - some types we don't yet have in sys/types.h (because we don't yet
* have a sys/types.h and these aren't in ktypes.h!)
*/
#ifdef _KERNEL_MODE
struct ostat {
mode_t st_mode; /* inode protection mode */
ino_t st_ino; /* inode's number */
uint16 st_dev; /* inode's device */
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 */
off_t st_size; /* file size, in bytes */
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last data modification */
time_t st_ctime; /* time of last file status change */
int64 st_blocks; /* blocks allocated for file */
int32 st_blksize; /* optimal blocksize for I/O */
};
#endif /* _KERNEL_MODE */
/* XXX - The stat structure, as defined by POSIX.
* Just implement what we can for the time being.
*/
struct stat {
mode_t st_mode; /* File mode */
ino_t st_ino; /* vnode_id */
// dev_t st_dev; /* inode's device */
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 */
off_t st_size; /* file size, in bytes */
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last data modification */
time_t st_ctime; /* time of last file status change */
int64 st_blocks; /* blocks allocated for file */
uint32 st_blksize; /* optimal blocksize for I/O */
};
/**
* @defgroup POSIX_filemodes File mode defines
* @brief Defines of the file modes we allow
* @ingroup Stat
*@{
*/
/** @def S_ISUID set user id on execution */
/** @def S_ISGID set group id on execution */
/** @def S_ISTXT sticky bit */
#define S_ISUID 0004000
#define S_ISGID 0002000
#define S_ISTXT 0001000
/** @def S_IRWXU RWX mask for owner */
/** @def S_IRUSR R for owner */
/** @def S_IWUSR W for owner */
/** @def S_IXUSR X for owner */
#define S_IRWXU 0000700
#define S_IRUSR 0000400
#define S_IWUSR 0000200
#define S_IXUSR 0000100
/** @def S_IRWXG RWX mask for group */
/** @def S_IWGRP W for group */
/** @def S_IRGRP R for group */
/** @def S_IXGRP X for group */
#define S_IRWXG 0000070
#define S_IRGRP 0000040
#define S_IWGRP 0000020
#define S_IXGRP 0000010
/** @def S_IXOTH RWX mask for other */
/** @def S_IROTH R for other */
/** @def S_IWOTH W for other */
/** @def S_IXOTH X for other */
#define S_IRWXO 0000007
#define S_IROTH 0000004
#define S_IWOTH 0000002
#define S_IXOTH 0000001
#define S_IFMT 0170000
#define S_IFSOCK 0140000
#define S_IFIFO 0010000
#define S_IFCHR 0020000
#define S_IFDIR 0040000
#define S_IFBLK 0060000
#define S_IFREG 0100000
#define S_IFLNK 0120000
#define S_IFWHT 0160000
#define S_ISVTX 0001000
/**
* @defgroup stat_tests Stat Macro's
* @ingroup POSIX_filemodes
* @brief macro's that should be used to test for the type of device
* @{
*/
/** @def S_ISDIR(m) it's a directory */
/** @def S_ISREG(m) it's a regular file */
/** @def S_ISCHR(m) it's a character device */
/** @def S_ISBLK(m) it's a block device */
/** @def S_ISFIFO(m) it's a fifo device */
/** @def S_ISLNK(m) it's a symbolic link */
/** @def S_ISSOCK(m) it's a socket */
/** @def S_ISWHT(m) whiteout? */
#define S_ISDIR(m) ((m & 0170000) == 0040000)
#define S_ISREG(m) ((m & 0170000) == 0100000)
#define S_ISCHR(m) ((m & 0170000) == 0020000)
#define S_ISBLK(m) ((m & 0170000) == 0060000)
#define S_ISFIFO(m) ((m & 0170000) == 0010000)
#define S_ISLNK(m) ((m & 0170000) == 0120000)
#define S_ISSOCK(m) ((m & 0170000) == 0140000)
#define S_ISWHT(m) ((m & 0170000) == 0160000)
/** @} */
/** @def ACCESSPERMS 00777 */
/** @def ALLPERMS 07777 */
/** @def DEFFILEMODE 00666 default file mode, everyone can read/write*/
#define ACCESSPERMS (S_IRWXU | S_IRWXG | S_IRWXO)
#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
/** @} */
/*
* 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 */
/*
* 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 */
#ifdef _KERNEL_MODE
/*
* Shorthand abbreviations of above.
*/
#define OPAQUE (UF_OPAQUE)
#define APPEND (UF_APPEND | SF_APPEND)
#define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
#endif /* _KERNEL_MODE */
#ifndef _KERNEL_MODE_
//#include <sys/cdefs.h>
/** @fn int chmod(const char *path, mode_t mode)
* Changes the file protection modes to those given by mode
*
* @ref POISX_filemodes
*/
int chmod (const char *, mode_t);
/** @fn int fstat(int fd, struct stat *stat)
* get file information on a file identified by descriptor fd
*
* @ref stat
*/
int fstat (int, struct stat *);
//int mknod (const char *, mode_t, dev_t);
int mkdir (const char *, mode_t);
int mkfifo (const char *, mode_t);
/** @fn int stat(const char *path, struct stat *stat)
* Get file information for file path and store it in the structure
* stat
*
* @ref stat
*/
int stat (const char *, struct stat *);
mode_t umask (mode_t);
int fchmod (int, mode_t);
int lstat (const char *, struct stat *);
#endif
/** @} */
#endif /* !_SYS_STAT_H_ */