www.pudn.com > yaffs2.zip > yaffsfs.h

/* 
* Header file for using yaffs in an application via 
* a direct interface. 
*/ 
 
 
#ifndef __YAFFSFS_H__ 
#define __YAFFSFS_H__ 
 
#include "yaffscfg.h" 
#include "yportenv.h" 
 
 
//typedef long off_t; 
//typedef long dev_t; 
//typedef unsigned long mode_t; 
 
 
#ifndef NAME_MAX 
#define NAME_MAX	256 
#endif 
 
#ifndef O_RDONLY 
#define O_RDONLY	00 
#endif 
 
#ifndef O_WRONLY 
#define O_WRONLY	01 
#endif 
 
#ifndef O_RDWR 
#define O_RDWR		02 
#endif 
 
#ifndef O_CREAT		 
#define O_CREAT 	0100 
#endif 
 
#ifndef O_EXCL 
#define O_EXCL		0200 
#endif 
 
#ifndef O_TRUNC 
#define O_TRUNC		01000 
#endif 
 
#ifndef O_APPEND 
#define O_APPEND	02000 
#endif 
 
#ifndef SEEK_SET 
#define SEEK_SET	0 
#endif 
 
#ifndef SEEK_CUR 
#define SEEK_CUR	1 
#endif 
 
#ifndef SEEK_END 
#define SEEK_END	2 
#endif 
 
#ifndef EBUSY 
#define EBUSY	16 
#endif 
 
#ifndef ENODEV 
#define ENODEV	19 
#endif 
 
#ifndef EINVAL 
#define EINVAL	22 
#endif 
 
#ifndef EBADF 
#define EBADF	9 
#endif 
 
#ifndef EACCESS 
#define EACCESS	13 
#endif 
 
#ifndef EXDEV	 
#define EXDEV	18 
#endif 
 
#ifndef ENOENT 
#define ENOENT	2 
#endif 
 
#ifndef ENOSPC 
#define ENOSPC	28 
#endif 
 
#ifndef ENOTEMPTY 
#define ENOTEMPTY 39 
#endif 
 
#ifndef ENOMEM 
#define ENOMEM 12 
#endif 
 
#ifndef EEXIST 
#define EEXIST 17 
#endif 
 
#ifndef ENOTDIR 
#define ENOTDIR 20 
#endif 
 
#ifndef EISDIR 
#define EISDIR 21 
#endif 
 
 
// Mode flags 
 
#ifndef S_IFMT 
#define S_IFMT		0170000 
#endif 
 
#ifndef S_IFLNK 
#define S_IFLNK		0120000 
#endif 
 
#ifndef S_IFDIR 
#define S_IFDIR		0040000 
#endif 
 
#ifndef S_IFREG 
#define S_IFREG		0100000 
#endif 
 
#ifndef S_IREAD  
#define S_READ		0000400 
#endif 
 
#ifndef S_IWRITE 
#define	S_IWRITE	0000200 
#endif 
 
 
 
 
struct yaffs_dirent{ 
    long d_ino;                 /* inode number */ 
    off_t d_off;                /* offset to this dirent */ 
    unsigned short d_reclen;    /* length of this d_name */ 
    char d_name [NAME_MAX+1];   /* file name (null-terminated) */ 
}; 
 
typedef struct yaffs_dirent yaffs_dirent; 
 
 
typedef struct __opaque yaffs_DIR; 
 
 
struct yaffs_stat{ 
    int		      st_dev;      /* device */ 
    int           st_ino;      /* inode */ 
    mode_t        st_mode;     /* protection */ 
    int           st_nlink;    /* number of hard links */ 
    int           st_uid;      /* user ID of owner */ 
    int           st_gid;      /* group ID of owner */ 
    unsigned      st_rdev;     /* device type (if inode device) */ 
    off_t         st_size;     /* total size, in bytes */ 
    unsigned long st_blksize;  /* blocksize for filesystem I/O */ 
    unsigned long st_blocks;   /* number of blocks allocated */ 
    unsigned long st_atime;    /* time of last access */ 
    unsigned long st_mtime;    /* time of last modification */ 
    unsigned long st_ctime;    /* time of last change */ 
}; 
 
int yaffs_open(const char *path, int oflag, int mode) ; 
int yaffs_read(int fd, void *buf, unsigned int nbyte) ; 
int yaffs_write(int fd, const void *buf, unsigned int nbyte) ; 
int yaffs_close(int fd) ; 
off_t yaffs_lseek(int fd, off_t offset, int whence) ; 
int yaffs_truncate(int fd, unsigned int newSize); 
 
int yaffs_unlink(const char *path) ; 
int yaffs_rename(const char *oldPath, const char *newPath) ; 
 
int yaffs_stat(const char *path, struct yaffs_stat *buf) ; 
int yaffs_lstat(const char *path, struct yaffs_stat *buf) ; 
int yaffs_fstat(int fd, struct yaffs_stat *buf) ; 
 
int yaffs_chmod(const char *path, mode_t mode);  
int yaffs_fchmod(int fd, mode_t mode);  
 
int yaffs_mkdir(const char *path, mode_t mode) ; 
int yaffs_rmdir(const char *path) ; 
 
yaffs_DIR *yaffs_opendir(const char *dirname) ; 
struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) ; 
void yaffs_rewinddir(yaffs_DIR *dirp) ; 
int yaffs_closedir(yaffs_DIR *dirp) ; 
 
int yaffs_mount(const char *path) ; 
int yaffs_unmount(const char *path) ; 
 
int yaffs_symlink(const char *oldpath, const char *newpath);  
int yaffs_readlink(const char *path, char *buf, int bufsiz);  
 
int yaffs_link(const char *oldpath, const char *newpath);  
int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev); 
 
off_t yaffs_freespace(const char *path); 
 
void yaffs_initialise(yaffsfs_DeviceConfiguration *configList); 
 
int yaffs_StartUp(void); 
 
#endif