dirent.h

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#ifndef __DIRENT_H__
#define __DIRENT_H__
 
#include <stdint.h>
#include <sys/limits.h>
#include <sys/stat.h>
 
#include "kconfig.h"
 
/* File types of d_type, which is the file type of the mode shifted down by
 * twelve bits
 */
#define DT_UNKNOWN 0
#define DT_FIFO 1
#define DT_CHR 2
#define DT_DIR 4
#define DT_BLK 6
#define DT_REG 8
#define DT_LNK 10
#define DT_SOCK 12
 
#define IFTODT(mode) (((mode) &S_IFMT) >> 12)
#define DTTOIF(dirtype) ((dirtype) << 12)
 
/* Return type of the readdir() */
struct dirent {
    char d_name[NAME_MAX]; /* File name */
    uint32_t d_ino;        /* The inode of the file */
    uint8_t d_type;        /* File type, one of the DT_ values above */
};
 
/* Return type of the opendir(). The entry readdir() answers with lives here */
typedef struct dirstream {
    struct inode *inode_dir;       /* Directory inode */
    struct list_head *dentry_list; /* List pointer of the dentry to return */
    struct dirent entry;           /* Storage of the entry readdir() returns */
} DIR;
 
DIR *opendir(const char *name);
 
struct dirent *readdir(DIR *dirp);
 
int closedir(DIR *dirp);
 
#endif