reactos/posix/include/sys/stat.h

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/* $Id: stat.h,v 1.5 2002/10/29 04:45:21 rex Exp $
*/
/*
* sys/stat.h
*
* data returned by the stat() function. Conforming to the Single
* UNIX(r) Specification Version 2, System Interface & Headers Issue 5
*
* This file is part of the ReactOS Operating System.
*
* Contributors:
* Created by KJK::Hyperion <noog@libero.it>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __SYS_STAT_H_INCLUDED__
#define __SYS_STAT_H_INCLUDED__
/* INCLUDES */
#include <sys/types.h>
/* OBJECTS */
/* TYPES */
struct stat
{
mode_t st_mode; /* mode of file (see below) */
ino_t st_ino; /* file serial number */
dev_t st_dev; /* ID of device containing file */
nlink_t st_nlink; /* number of links to the file */
uid_t st_uid; /* user ID of file */
gid_t st_gid; /* group ID of file */
off_t st_size; /* file size in bytes (if file is a regular file) */
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last data modification */
time_t st_ctime; /* time of last status change */
dev_t st_rdev; /* device ID (if file is character or block special) */
blksize_t st_blksize; /* a filesystem-specific preferred I/O block size for
this object. In some filesystem types, this may
vary from file to file */
blkcnt_t st_blocks; /* number of blocks allocated for this object */
};
/* CONSTANTS */
/*
file type
*/
#define S_IFIFO (000010000) /* FIFO special */
#define S_IFCHR (000020000) /* character special */
#define S_IFDIR (000040000) /* directory */
#define S_IFBLK (000060000) /* block special */
#define S_IFREG (000100000) /* regular */
#define S_IFLNK (000200000) /* symbolic link */
#define S_IFSOCK (000400000) /* socket */
/* type of file */
#define S_IFMT (000770000)
/*
file mode bits
*/
#define S_IRUSR (000000400) /* read permission, owner */
#define S_IWUSR (000000200) /* write permission, owner */
#define S_IXUSR (000000100) /* execute/search permission, owner */
#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) /* read, write, execute/search by owner */
#define S_IRGRP (000000040) /* read permission, group */
#define S_IWGRP (000000020) /* write permission, group */
#define S_IXGRP (000000010) /* execute/search permission, group */
#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) /* read, write, execute/search by group */
#define S_IROTH (000000004) /* read permission, others */
#define S_IWOTH (000000002) /* write permission, others */
#define S_IXOTH (000000001) /* execute/search permission, others */
#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) /* read, write, execute/search by others */
#define S_ISUID (000004000) /* set-user-ID on execution */
#define S_ISGID (000002000) /* set-group-ID on execution */
#define S_ISVTX (000010000) /* on directories, restricted deletion flag */
/*
the following macros will test whether a file is of the specified type
*/
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
/* shared memory, semaphores and message queues are unlikely to be ever
implemented as files */
#define S_TYPEISMQ(buf) (0) /* Test for a message queue */
#define S_TYPEISSEM(buf) (0) /* Test for a semaphore */
#define S_TYPEISSHM(buf) (0) /* Test for a shared memory object */
/* PROTOTYPES */
int chmod(const char *, mode_t);
int fchmod(int, mode_t);
int fstat(int, struct stat *);
int lstat(const char *, struct stat *);
int mkdir(const char *, mode_t);
int mkfifo(const char *, mode_t);
int mknod(const char *, mode_t, dev_t);
int stat(const char *, struct stat *);
mode_t umask(mode_t);
/* MACROS */
#endif /* __SYS_STAT_H_INCLUDED__ */
/* EOF */