#ifndef _SYS_STAT_H
#define _SYS_STAT_H

#ifdef __cplusplus
extern "C"
{
#endif

#include <_ansi.h>
#include <time.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/_timespec.h>

/* dj's stat defines _STAT_H_ */
#ifndef _STAT_H_

    /* It is intended that the layout of this structure not change when the
       sizes of any of the basic types change (short, int, long) [via a compile
       time option].  */

#ifdef __CYGWIN__
#include <cygwin/stat.h>
#ifdef _COMPILING_NEWLIB
#define stat64 stat
#endif
#else
    struct stat {
        dev_t st_dev;
        ino_t st_ino;
        mode_t st_mode;
        nlink_t st_nlink;
        uid_t st_uid;
        gid_t st_gid;
        dev_t st_rdev;
        off_t st_size;
#if defined(__rtems__)
        struct timespec st_atim;
        struct timespec st_mtim;
        struct timespec st_ctim;
        blksize_t st_blksize;
        blkcnt_t st_blocks;
#else
        /* SysV/sco doesn't have the rest... But Solaris, eabi does.  */
#if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__)
        time_t st_atime;
        time_t st_mtime;
        time_t st_ctime;
#else
        struct timespec st_atim;
        struct timespec st_mtim;
        struct timespec st_ctim;
        blksize_t st_blksize;
        blkcnt_t st_blocks;
        long st_spare4[2];
#endif
#endif
    };

#if defined(__rtems__) || defined(__lyos__)
#define st_atime st_atim.tv_sec
#define st_ctime st_ctim.tv_sec
#define st_mtime st_mtim.tv_sec
#endif

#endif

#define _IFMT   0170000 /* type of file */
#define _IFDIR  0040000 /* directory */
#define _IFCHR  0020000 /* character special */
#define _IFBLK  0060000 /* block special */
#define _IFREG  0100000 /* regular */
#define _IFLNK  0120000 /* symbolic link */
#define _IFSOCK 0140000 /* socket */
#define _IFIFO  0010000 /* fifo */

#define S_BLKSIZE 1024 /* size of a block */

#define S_ISUID 0004000 /* set user id on execution */
#define S_ISGID 0002000 /* set group id on execution */
#define S_ISVTX 0001000 /* save swapped text even after use */
#if __BSD_VISIBLE
#define S_IREAD  0000400 /* read permission, owner */
#define S_IWRITE 0000200 /* write permission, owner */
#define S_IEXEC  0000100 /* execute/search permission, owner */
#define S_ENFMT  0002000 /* enforcement-mode locking */
#endif                   /* !_BSD_VISIBLE */

#define S_IFMT   _IFMT
#define S_IFDIR  _IFDIR
#define S_IFCHR  _IFCHR
#define S_IFBLK  _IFBLK
#define S_IFREG  _IFREG
#define S_IFLNK  _IFLNK
#define S_IFSOCK _IFSOCK
#define S_IFIFO  _IFIFO

#ifdef _WIN32
/* The Windows header files define _S_ forms of these, so we do too
   for easier portability.  */
#define _S_IFMT   _IFMT
#define _S_IFDIR  _IFDIR
#define _S_IFCHR  _IFCHR
#define _S_IFIFO  _IFIFO
#define _S_IFREG  _IFREG
#define _S_IREAD  0000400
#define _S_IWRITE 0000200
#define _S_IEXEC  0000100
#endif

#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
#define S_IRUSR 0000400 /* read permission, owner */
#define S_IWUSR 0000200 /* write permission, owner */
#define S_IXUSR 0000100 /* execute/search permission, owner */
#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
#define S_IRGRP 0000040 /* read permission, group */
#define S_IWGRP 0000020 /* write permission, grougroup */
#define S_IXGRP 0000010 /* execute/search permission, group */
#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
#define S_IROTH 0000004 /* read permission, other */
#define S_IWOTH 0000002 /* write permission, other */
#define S_IXOTH 0000001 /* execute/search permission, other */

#if __BSD_VISIBLE
#define ACCESSPERMS (S_IRWXU | S_IRWXG | S_IRWXO) /* 0777 */
#define ALLPERMS \
    (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO) /* 07777 */
#define DEFFILEMODE \
    (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) /* 0666 */
#endif

#define S_ISBLK(m)  (((m)&_IFMT) == _IFBLK)
#define S_ISCHR(m)  (((m)&_IFMT) == _IFCHR)
#define S_ISDIR(m)  (((m)&_IFMT) == _IFDIR)
#define S_ISFIFO(m) (((m)&_IFMT) == _IFIFO)
#define S_ISREG(m)  (((m)&_IFMT) == _IFREG)
#define S_ISLNK(m)  (((m)&_IFMT) == _IFLNK)
#define S_ISSOCK(m) (((m)&_IFMT) == _IFSOCK)

/* Special tv_nsec values for futimens(2) and utimensat(2). */
#define UTIME_NOW  -2L
#define UTIME_OMIT -1L

    int chmod(const char* __path, mode_t __mode);
    int fchmod(int __fd, mode_t __mode);
    int fstat(int __fd, struct stat* __sbuf);
    int mkdir(const char* _path, mode_t __mode);
    int mkfifo(const char* __path, mode_t __mode);
    int stat(const char* __restrict __path, struct stat* __restrict __sbuf);
    mode_t umask(mode_t __mask);
    int lstat(const char* __restrict __path, struct stat* __restrict __buf);
    int mknod(const char* __path, mode_t __mode, dev_t __dev);

#if __ATFILE_VISIBLE && !defined(__INSIDE_CYGWIN__)
    int fchmodat(int, const char*, mode_t, int);
    int fstatat(int, const char* __restrict, struct stat* __restrict, int);
    int mkdirat(int, const char*, mode_t);
    int mkfifoat(int, const char*, mode_t);
    int mknodat(int, const char*, mode_t, dev_t);
    int utimensat(int, const char*, const struct timespec*, int);
#endif
#if __POSIX_VISIBLE >= 200809 && !defined(__INSIDE_CYGWIN__)
    int futimens(int, const struct timespec*);
#endif

/* Provide prototypes for most of the _<systemcall> names that are
   provided in newlib for some compilers.  */
#ifdef _COMPILING_NEWLIB
    int _fstat(int __fd, struct stat* __sbuf);
    int _stat(const char* __restrict __path, struct stat* __restrict __sbuf);
    int _mkdir(const char* _path, mode_t __mode);
#ifdef __LARGE64_FILES
    struct stat64;
    int _stat64(const char* __restrict __path,
                struct stat64* __restrict __sbuf);
    int _fstat64(int __fd, struct stat64* __sbuf);
#endif
#endif

#endif /* !_STAT_H_ */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_STAT_H */
