/*
 * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <Kernel/API/POSIX/sys/types.h>
#include <Kernel/API/POSIX/time.h>

#ifdef __cplusplus
extern "C" {
#endif

#define S_IFMT 0170000
#define S_IFDIR 0040000
#define S_IFCHR 0020000
#define S_IFBLK 0060000
#define S_IFREG 0100000
#define S_IFIFO 0010000
#define S_IFLNK 0120000
#define S_IFSOCK 0140000

#define S_ISUID 04000
#define S_ISGID 02000
#define S_ISVTX 01000
#define S_IRUSR 0400
#define S_IWUSR 0200
#define S_IXUSR 0100
#define S_IREAD S_IRUSR
#define S_IWRITE S_IWUSR
#define S_IEXEC S_IXUSR
#define S_IRGRP 0040
#define S_IWGRP 0020
#define S_IXGRP 0010
#define S_IROTH 0004
#define S_IWOTH 0002
#define S_IXOTH 0001

#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)

#define S_IRWXG (S_IRWXU >> 3)
#define S_IRWXO (S_IRWXG >> 3)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)

struct stat {
    dev_t st_dev;            /* ID of device containing file */
    ino_t st_ino;            /* inode number */
    mode_t st_mode;          /* protection */
    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 file system I/O */
    blkcnt_t st_blocks;      /* number of 512-byte blocks allocated */
    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
#define st_mtime st_mtim.tv_sec
#define st_ctime st_ctim.tv_sec

#define UTIME_OMIT -1
#define UTIME_NOW -2

#ifdef __cplusplus
}
#endif
