stat.h revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made
available under the terms and conditions of the BSD License that
accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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. 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 8.12 (Berkeley) 8/17/94
NetBSD: stat.h,v 1.54 2006/02/24 22:01:30 thorpej Exp
*/
#ifndef _SYS_STAT_H_
#define _SYS_STAT_H_
#include <sys/featuretest.h>
#include <sys/types.h>
#include <sys/time.h>
struct stat {
off_t st_size; ///< file size, in bytes
off_t st_physsize; ///< physical space the file consumes
off_t st_curpos; ///< current position within the file, or XY coord. for Console
dtime_t st_birthtime; ///< time of creation
dtime_t st_atime; ///< time of last access
dtime_t st_mtime; ///< time of last data modification
mode_t st_mode; ///< file attributes
blksize_t st_blksize; ///< optimal blocksize for I/O
uint32_t st_spare[1];
};
#define S_ISUID 0004000 ///< set user id on execution
#define S_ISGID 0002000 ///< set group id on execution
#define S_ISTXT 0001000 ///< sticky bit
#define S_IRWXU 0000700 ///< RWX mask for owner
#define S_IRUSR 0000400 ///< R for owner
#define S_IWUSR 0000200 ///< W for owner
#define S_IXUSR 0000100 ///< X for owner
#define S_IREAD S_IRUSR
#define S_IWRITE S_IWUSR
#define S_IEXEC S_IXUSR
#define S_IRWXG 0000070 ///< RWX mask for group
#define S_IRGRP 0000040 ///< R for group
#define S_IWGRP 0000020 ///< W for group
#define S_IXGRP 0000010 ///< X for group
#define S_IRWXO 0000007 ///< RWX mask for other
#define S_IROTH 0000004 ///< R for other
#define S_IWOTH 0000002 ///< W for other
#define S_IXOTH 0000001 ///< X for other
/* The Octal access modes, above, fall into the Hex mask 0x00000FFF.
Traditionally, the remainder of the flags are specified in Octal
but they are expressed in Hex here for modern clarity.
*/
#define _S_IFMT 0x000FF000 ///< type-of-file mask
#define _S_IFIFO 0x00001000 ///< named pipe (fifo)
#define _S_IFCHR 0x00002000 ///< character special
#define _S_IFDIR 0x00004000 ///< directory
#define _S_IFBLK 0x00006000 ///< block special
#define _S_IFREG 0x00008000 ///< regular
#define _S_IFSOCK 0x0000C000 ///< socket
#define _S_ITTY 0x00010000 ///< File connects to a TTY device
#define _S_IWTTY 0x00020000 ///< TTY receives Wide characters
#define _S_ICONSOLE 0x00030000 ///< UEFI Console Device
/* UEFI specific (FAT file system) File attributes.
Specified in Hexadecimal instead of Octal.
These bits correspond to the xx portion of _S_IFMT
*/
#define S_IREADONLY 0x00100000 // Read Only File
#define S_IHIDDEN 0x00200000 // Hidden File
#define S_ISYSTEM 0x00400000 // System File
#define S_IDIRECTORY 0x01000000 // Directory
#define S_IARCHIVE 0x02000000 // Archive Bit
#define S_IROFS 0x08000000 ///< Read Only File System
#define S_EFIONLY 0xFFF00000 ///< Flags only used by the EFI system calls.
#define S_EFISHIFT 20 // LS bit of the UEFI attributes
#define S_IFMT _S_IFMT
#define S_IFBLK _S_IFBLK
#define S_IFREG _S_IFREG
#define S_IFIFO _S_IFIFO
#define S_IFCHR _S_IFCHR
#define S_IFDIR _S_IFDIR
#define S_IFSOCK _S_IFSOCK
#define S_ISDIR(m) ((m & _S_IFMT) == _S_IFDIR) ///< directory
#define S_ISCHR(m) ((m & _S_IFMT) == _S_IFCHR) ///< char special
#define S_ISREG(m) ((m & _S_IFMT) == _S_IFREG) ///< regular file
#define S_ISBLK(m) ((m & _S_IFMT) == _S_IFBLK) ///< block special
#define S_ISSOCK(m) ((m & _S_IFMT) == _S_IFSOCK) ///< socket
#define S_ISFIFO(m) ((m & _S_IFMT) == _S_IFIFO) ///< fifo
/* The following three macros have been changed to reflect
access permissions that better reflect the UEFI FAT file system.
UEFI only supports Read or Read+Write instead of the *nix
rwx paradigm. Thus, using 0777 is the closest analog.
*/
#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) ///< 0777
#define ALLPERMS (S_IRWXU|S_IRWXG|S_IRWXO) ///< 0777
#define DEFFILEMODE (S_IRWXU|S_IRWXG|S_IRWXO) ///< 0777
#define READ_PERMS (S_IRUSR | S_IRGRP | S_IROTH) ///< 0444
#define WRITE_PERMS (S_IWUSR | S_IWGRP | S_IWOTH) ///< 0222
#define EXEC_PERMS (S_IXUSR | S_IXGRP | S_IXOTH) ///< 0111
#define S_BLKSIZE 512 ///< block size used in the stat struct
/*
* 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
/* UF_NOUNLINK 0x00000010 [NOT IMPLEMENTED] */
/*
* 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
/* SF_NOUNLINK 0x00100000 [NOT IMPLEMENTED] */
#include <sys/EfiCdefs.h>
__BEGIN_DECLS
#ifndef __STAT_SYSCALLS_DECLARED
#define __STAT_SYSCALLS_DECLARED
/**
**/
mode_t umask (mode_t);
/**
**/
int mkdir (const char *, mode_t);
/**
**/
int fstat (int, struct stat *);
/**
**/
int lstat (const char *, struct stat *);
/**
**/
int stat (const char *, struct stat *);
/**
**/
int chmod (const char *, mode_t);
#endif // __STAT_SYSCALLS_DECLARED
__END_DECLS
#endif /* !_SYS_STAT_H_ */