//
// Created by rick on 06-10-21.
//

#ifndef NEW_KERNEL_STAT_H
#define NEW_KERNEL_STAT_H

#include <time.h>

// https://man7.org/linux/man-pages/man2/stat.2.html

typedef uint32_t dev_t;
typedef uint32_t ino_t;
typedef uint32_t mode_t;
typedef uint32_t nlink_t;
typedef uint32_t uid_t;
typedef uint32_t gid_t;
typedef size_t off_t;
typedef size_t blksize_t;
typedef uint32_t blkcnt_t;


struct stat {
    dev_t st_dev;         /* ID of device containing file */
    ino_t st_ino;         /* Inode number */
    mode_t st_mode;        /* File type and mode */
    nlink_t st_nlink;       /* Number of hard links */
    uid_t st_uid;         /* User ID of owner */
    gid_t st_gid;         /* Group ID of owner */
    dev_t st_rdev;        /* Device ID (if special file) */
    off_t st_size;        /* Total size, in bytes */
    blksize_t st_blksize;     /* Block size for filesystem I/O */
    blkcnt_t st_blocks;      /* Number of 512B blocks allocated */

    /* Since Linux 2.6, the kernel supports nanosecond
       precision for the following timestamp fields.
       For the details before Linux 2.6, see NOTES. */

    struct timespec st_atim;  /* Time of last access */
    struct timespec st_mtim;  /* Time of last modification */
    struct timespec st_ctim;  /* Time of last status change */

#define st_atime st_atim.tv_sec      /* Backward compatibility */
#define st_mtime st_mtim.tv_sec
#define st_ctime st_ctim.tv_sec
};

typedef struct stat stat_t;

#endif //NEW_KERNEL_STAT_H