311 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			311 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
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|  *
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|  * Copyright (C) 2002-2011 Aleph One Ltd.
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|  *   for Toby Churchill Ltd and Brightstar Engineering
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|  *
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|  * Created by Charles Manning <charles@aleph1.co.uk>
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU Lesser General Public License version 2.1 as
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|  * published by the Free Software Foundation.
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|  *
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|  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
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|  */
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| 
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| 
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| #ifndef __YPORTENV_H__
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| #define __YPORTENV_H__
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| 
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| #include <linux/bug.h>
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| #include <linux/types.h>
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| 
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| /* Definition of types */
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| #ifdef CONFIG_YAFFS_DEFINES_TYPES
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| typedef unsigned char u8;
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| typedef unsigned short u16;
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| typedef unsigned u32;
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| #endif
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| 
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| 
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| #ifdef CONFIG_YAFFS_PROVIDE_DEFS
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| /* File types */
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| 
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| 
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| #define DT_UNKNOWN	0
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| #define DT_FIFO		1
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| #define DT_CHR		2
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| #define DT_DIR		4
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| #define DT_BLK		6
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| #define DT_REG		8
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| #define DT_LNK		10
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| #define DT_SOCK		12
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| #define DT_WHT		14
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| 
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| 
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| /*
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|  * Attribute flags.
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|  * These are or-ed together to select what has been changed.
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|  */
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| #define ATTR_MODE	1
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| #define ATTR_UID	2
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| #define ATTR_GID	4
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| #define ATTR_SIZE	8
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| #define ATTR_ATIME	16
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| #define ATTR_MTIME	32
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| #define ATTR_CTIME	64
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| 
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| struct iattr {
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| 	unsigned int ia_valid;
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| 	unsigned ia_mode;
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| 	unsigned ia_uid;
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| 	unsigned ia_gid;
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| 	unsigned ia_size;
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| 	unsigned ia_atime;
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| 	unsigned ia_mtime;
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| 	unsigned ia_ctime;
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| 	unsigned int ia_attr_flags;
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| };
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| 
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| #endif
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| 
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| 
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| 
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| #if defined CONFIG_YAFFS_WINCE
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| 
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| #include "ywinceenv.h"
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| 
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| 
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| #elif defined CONFIG_YAFFS_DIRECT
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| 
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| /* Direct interface */
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| #include "ydirectenv.h"
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| 
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| #elif defined CONFIG_YAFFS_UTIL
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| 
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| #include "yutilsenv.h"
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| 
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| #else
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| /* Should have specified a configuration type */
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| #error Unknown configuration
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| 
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| #endif
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| 
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| #if defined(CONFIG_YAFFS_DIRECT) || defined(CONFIG_YAFFS_WINCE)
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| 
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| #ifdef CONFIG_YAFFSFS_PROVIDE_VALUES
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| 
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| #ifndef O_RDONLY
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| #define O_RDONLY	00
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| #endif
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| 
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| #ifndef O_WRONLY
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| #define O_WRONLY	01
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| #endif
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| 
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| #ifndef O_RDWR
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| #define O_RDWR		02
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| #endif
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| 
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| #ifndef O_CREAT
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| #define O_CREAT		0100
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| #endif
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| 
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| #ifndef O_EXCL
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| #define O_EXCL		0200
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| #endif
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| 
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| #ifndef O_TRUNC
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| #define O_TRUNC		01000
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| #endif
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| 
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| #ifndef O_APPEND
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| #define O_APPEND	02000
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| #endif
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| 
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| #ifndef SEEK_SET
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| #define SEEK_SET	0
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| #endif
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| 
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| #ifndef SEEK_CUR
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| #define SEEK_CUR	1
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| #endif
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| 
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| #ifndef SEEK_END
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| #define SEEK_END	2
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| #endif
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| 
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| #ifndef EBUSY
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| #define EBUSY	16
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| #endif
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| 
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| #ifndef ENODEV
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| #define ENODEV	19
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| #endif
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| 
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| #ifndef EINVAL
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| #define EINVAL	22
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| #endif
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| 
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| #ifndef ENFILE
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| #define ENFILE	23
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| #endif
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| 
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| #ifndef EBADF
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| #define EBADF	9
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| #endif
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| 
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| #ifndef EACCES
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| #define EACCES	13
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| #endif
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| 
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| #ifndef EXDEV
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| #define EXDEV	18
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| #endif
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| 
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| #ifndef ENOENT
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| #define ENOENT	2
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| #endif
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| 
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| #ifndef ENOSPC
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| #define ENOSPC	28
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| #endif
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| 
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| #ifndef EROFS
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| #define EROFS	30
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| #endif
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| 
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| #ifndef ERANGE
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| #define ERANGE 34
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| #endif
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| 
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| #ifndef ENODATA
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| #define ENODATA 61
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| #endif
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| 
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| #ifndef ENOTEMPTY
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| #define ENOTEMPTY 39
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| #endif
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| 
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| #ifndef ENAMETOOLONG
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| #define ENAMETOOLONG 36
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| #endif
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| 
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| #ifndef ENOMEM
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| #define ENOMEM 12
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| #endif
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| 
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| #ifndef EFAULT
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| #define EFAULT 14
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| #endif
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| 
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| #ifndef EEXIST
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| #define EEXIST 17
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| #endif
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| 
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| #ifndef ENOTDIR
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| #define ENOTDIR 20
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| #endif
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| 
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| #ifndef EISDIR
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| #define EISDIR 21
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| #endif
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| 
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| #ifndef ELOOP
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| #define ELOOP	40
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| #endif
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| 
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| 
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| /* Mode flags */
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| 
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| #ifndef S_IFMT
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| #define S_IFMT		0170000
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| #endif
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| 
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| #ifndef S_IFSOCK
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| #define S_IFSOCK	0140000
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| #endif
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| 
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| #ifndef S_IFIFO
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| #define S_IFIFO		0010000
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| #endif
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| 
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| #ifndef S_IFCHR
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| #define S_IFCHR		0020000
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| #endif
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| 
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| #ifndef S_IFBLK
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| #define S_IFBLK		0060000
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| #endif
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| 
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| #ifndef S_IFLNK
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| #define S_IFLNK		0120000
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| #endif
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| 
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| #ifndef S_IFDIR
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| #define S_IFDIR		0040000
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| #endif
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| 
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| #ifndef S_IFREG
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| #define S_IFREG		0100000
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| #endif
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| 
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| #define S_ISSOCK(m)	(((m) & S_IFMT) == S_IFSOCK)
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| #define S_ISLNK(m)	(((m) & S_IFMT) == S_IFLNK)
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| #define S_ISDIR(m)	(((m) & S_IFMT) == S_IFDIR)
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| #define S_ISREG(m)	(((m) & S_IFMT) == S_IFREG)
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| #define S_ISBLK(m)	(((m) & S_IFMT) == S_IFBLK)
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| #define S_ISCHR(m)	(((m) & S_IFMT) == S_IFCHR)
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| #define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)
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| 
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| 
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| #ifndef S_IREAD
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| #define S_IREAD		0000400
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| #endif
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| 
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| #ifndef S_IWRITE
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| #define	S_IWRITE	0000200
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| #endif
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| 
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| #ifndef S_IEXEC
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| #define	S_IEXEC	0000100
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| #endif
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| 
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| #ifndef XATTR_CREATE
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| #define XATTR_CREATE 1
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| #endif
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| 
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| #ifndef XATTR_REPLACE
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| #define XATTR_REPLACE 2
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| #endif
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| 
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| #ifndef R_OK
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| #define R_OK	4
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| #define W_OK	2
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| #define X_OK	1
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| #define F_OK	0
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| #endif
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| 
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| #else
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| #include <errno.h>
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| #include <sys/stat.h>
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| #include <fcntl.h>
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| #endif
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| 
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| #endif
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| 
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| #ifndef Y_DUMP_STACK
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| #define Y_DUMP_STACK() do { } while (0)
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| #endif
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| 
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| #ifndef BUG
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| #define BUG() do {\
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| 	yaffs_trace(YAFFS_TRACE_BUG,\
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| 		"==>> yaffs bug: " __FILE__ " %d",\
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| 		__LINE__);\
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| 	Y_DUMP_STACK();\
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| } while (0)
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| #endif
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| 
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| #endif
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