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