102 lines
2.1 KiB
C
102 lines
2.1 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2005-02-22 Bernard The first version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __DFS_H__
|
||
|
|
#define __DFS_H__
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <dirent.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
#include <sys/statfs.h>
|
||
|
|
#include <sys/time.h>
|
||
|
|
#include <rtdevice.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DFS_FILESYSTEMS_MAX
|
||
|
|
#define DFS_FILESYSTEMS_MAX 4
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DFS_FD_MAX
|
||
|
|
#define DFS_FD_MAX 16
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* skip stdin/stdout/stderr normally
|
||
|
|
*/
|
||
|
|
#ifndef DFS_FD_OFFSET
|
||
|
|
#define DFS_FD_OFFSET 3
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DFS_PATH_MAX
|
||
|
|
#define DFS_PATH_MAX DIRENT_NAME_MAX
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef SECTOR_SIZE
|
||
|
|
#define SECTOR_SIZE 512
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DFS_FILESYSTEM_TYPES_MAX
|
||
|
|
#define DFS_FILESYSTEM_TYPES_MAX 2
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define DFS_FS_FLAG_DEFAULT 0x00 /* default flag */
|
||
|
|
#define DFS_FS_FLAG_FULLPATH 0x01 /* set full path to underlaying file system */
|
||
|
|
|
||
|
|
/* File types */
|
||
|
|
#define FT_REGULAR 0 /* regular file */
|
||
|
|
#define FT_SOCKET 1 /* socket file */
|
||
|
|
#define FT_DIRECTORY 2 /* directory */
|
||
|
|
#define FT_USER 3 /* user defined */
|
||
|
|
#define FT_DEVICE 4 /* device */
|
||
|
|
|
||
|
|
/* File flags */
|
||
|
|
#define DFS_F_OPEN 0x01000000
|
||
|
|
#define DFS_F_DIRECTORY 0x02000000
|
||
|
|
#define DFS_F_EOF 0x04000000
|
||
|
|
#define DFS_F_ERR 0x08000000
|
||
|
|
|
||
|
|
struct dfs_fdtable
|
||
|
|
{
|
||
|
|
uint32_t maxfd;
|
||
|
|
struct dfs_fd **fds;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Initialization of dfs */
|
||
|
|
int dfs_init(void);
|
||
|
|
|
||
|
|
char *dfs_normalize_path(const char *directory, const char *filename);
|
||
|
|
const char *dfs_subdir(const char *directory, const char *filename);
|
||
|
|
|
||
|
|
int fd_is_open(const char *pathname);
|
||
|
|
struct dfs_fdtable *dfs_fdtable_get(void);
|
||
|
|
|
||
|
|
void dfs_lock(void);
|
||
|
|
void dfs_unlock(void);
|
||
|
|
|
||
|
|
#ifdef DFS_USING_POSIX
|
||
|
|
/* FD APIs */
|
||
|
|
int fd_new(void);
|
||
|
|
struct dfs_fd *fd_get(int fd);
|
||
|
|
void fd_put(struct dfs_fd *fd);
|
||
|
|
#endif /* DFS_USING_POSIX */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|