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232 lines
4.6 KiB
C
232 lines
4.6 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) 2002-2007 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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* Header file for using yaffs in an application via
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* a direct interface.
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*/
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#ifndef __YAFFSFS_H__
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#define __YAFFSFS_H__
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#include "yaffscfg.h"
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#include "yportenv.h"
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//typedef long off_t;
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//typedef long dev_t;
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//typedef unsigned long mode_t;
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#ifndef NAME_MAX
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#define NAME_MAX 256
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#endif
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#ifndef O_RDONLY
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#define O_RDONLY 00
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#endif
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#ifndef O_WRONLY
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#define O_WRONLY 01
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#endif
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#ifndef O_RDWR
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#define O_RDWR 02
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#endif
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#ifndef O_CREAT
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#define O_CREAT 0100
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#endif
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#ifndef O_EXCL
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#define O_EXCL 0200
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#endif
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#ifndef O_TRUNC
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#define O_TRUNC 01000
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#endif
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#ifndef O_APPEND
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#define O_APPEND 02000
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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#define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2
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#endif
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#ifndef EBUSY
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#define EBUSY 16
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#endif
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#ifndef ENODEV
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#define ENODEV 19
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#endif
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#ifndef EINVAL
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#define EINVAL 22
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#endif
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#ifndef EBADF
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#define EBADF 9
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#endif
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#ifndef EACCESS
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#define EACCESS 13
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#endif
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#ifndef EXDEV
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#define EXDEV 18
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#endif
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#ifndef ENOENT
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#define ENOENT 2
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#endif
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#ifndef ENOSPC
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#define ENOSPC 28
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#endif
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#ifndef ENOTEMPTY
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#define ENOTEMPTY 39
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#endif
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#ifndef ENOMEM
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#define ENOMEM 12
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#endif
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#ifndef EEXIST
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#define EEXIST 17
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#endif
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#ifndef ENOTDIR
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#define ENOTDIR 20
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#endif
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#ifndef EISDIR
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#define EISDIR 21
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#endif
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// Mode flags
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#ifndef S_IFMT
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#define S_IFMT 0170000
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#endif
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#ifndef S_IFLNK
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#define S_IFLNK 0120000
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#endif
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#ifndef S_IFDIR
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#define S_IFDIR 0040000
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#endif
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#ifndef S_IFREG
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#define S_IFREG 0100000
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#endif
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#ifndef S_IREAD
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#define S_IREAD 0000400
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#endif
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#ifndef S_IWRITE
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#define S_IWRITE 0000200
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#endif
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struct yaffs_dirent{
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long d_ino; /* inode number */
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off_t d_off; /* offset to this dirent */
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unsigned short d_reclen; /* length of this d_name */
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char d_name [NAME_MAX+1]; /* file name (null-terminated) */
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unsigned d_dont_use; /* debug pointer, not for public consumption */
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};
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typedef struct yaffs_dirent yaffs_dirent;
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typedef struct __opaque yaffs_DIR;
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struct yaffs_stat{
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int st_dev; /* device */
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int st_ino; /* inode */
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mode_t st_mode; /* protection */
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int st_nlink; /* number of hard links */
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int st_uid; /* user ID of owner */
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int st_gid; /* group ID of owner */
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unsigned st_rdev; /* device type (if inode device) */
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off_t st_size; /* total size, in bytes */
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unsigned long st_blksize; /* blocksize for filesystem I/O */
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unsigned long st_blocks; /* number of blocks allocated */
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unsigned long yst_atime; /* time of last access */
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unsigned long yst_mtime; /* time of last modification */
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unsigned long yst_ctime; /* time of last change */
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};
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int yaffs_open(const char *path, int oflag, int mode) ;
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int yaffs_read(int fd, void *buf, unsigned int nbyte) ;
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int yaffs_write(int fd, const void *buf, unsigned int nbyte) ;
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int yaffs_close(int fd) ;
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off_t yaffs_lseek(int fd, off_t offset, int whence) ;
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int yaffs_truncate(int fd, off_t newSize);
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int yaffs_unlink(const char *path) ;
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int yaffs_rename(const char *oldPath, const char *newPath) ;
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int yaffs_stat(const char *path, struct yaffs_stat *buf) ;
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int yaffs_lstat(const char *path, struct yaffs_stat *buf) ;
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int yaffs_fstat(int fd, struct yaffs_stat *buf) ;
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int yaffs_chmod(const char *path, mode_t mode);
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int yaffs_fchmod(int fd, mode_t mode);
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int yaffs_mkdir(const char *path, mode_t mode) ;
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int yaffs_rmdir(const char *path) ;
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yaffs_DIR *yaffs_opendir(const char *dirname) ;
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struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) ;
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void yaffs_rewinddir(yaffs_DIR *dirp) ;
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int yaffs_closedir(yaffs_DIR *dirp) ;
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int yaffs_mount(const char *path) ;
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int yaffs_unmount(const char *path) ;
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int yaffs_symlink(const char *oldpath, const char *newpath);
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int yaffs_readlink(const char *path, char *buf, int bufsiz);
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int yaffs_link(const char *oldpath, const char *newpath);
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int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev);
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loff_t yaffs_freespace(const char *path);
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void yaffs_initialise(yaffsfs_DeviceConfiguration *configList);
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int yaffs_StartUp(void);
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#endif
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