/*
 * Copyright (c) 2006-2018, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 */
#ifndef __SYS_DIRENT_H__
#define __SYS_DIRENT_H__



#ifdef __cplusplus
extern "C" {
#endif



/*
* dirent.h - format of directory entries
 */

/* 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 */



#ifndef HAVE_DIR_STRUCTURE

typedef struct
{
	int dd_fd;
	int dd_loc;							/* directory file */

	char *dd_buf;  //dd_buf[512];
	int dd_len;

	int dd_size;
	int dd_seek;
} DIR;

#endif

#ifndef HAVE_DIRENT_STRUCTURE

struct dirent
{
	unsigned char  d_type;				/* The type of the file */
	unsigned char  d_namlen;			/* The length of the not including the terminating null file name */
	unsigned short d_reclen;			/* length of this record */
	char d_name[256];				/* The null-terminated file name */
	char d_ino;
};

#endif


int            closedir(DIR *);
DIR           *opendir(const char *);
struct dirent *readdir(DIR *);
int            readdir_r(DIR *, struct dirent *, struct dirent **);
void           rewinddir(DIR *);
void           seekdir(DIR *, long int);
long           telldir(DIR *);

#define __dirfd(dirp)   ((DIR *)dirp)->dd_fd

#ifdef __cplusplus
}
#endif

#endif