// license that can be found in the LICENSE file.

package unix

const (
	// UTIME_OMIT is the sentinel value to indicate that a time value should not
	// be changed. It is useful for example to indicate for example with UtimesNano
	// to avoid changing AccessTime or ModifiedTime.
	// Its value must match syscall/fs_wasip1.go
	UTIME_OMIT = -0x2

// license that can be found in the LICENSE file.

package unix

const (
	// UTIME_OMIT is the sentinel value to indicate that a time value should not
	// be changed. It is useful for example to indicate for example with UtimesNano
	// to avoid changing AccessTime or ModifiedTime.
	// Its value must match syscall/fs_js.go
	UTIME_OMIT = -0x2

	MOVD R8, ret+0(FP)
	RET

TEXT ·get_UtimesNanoAtAddr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·UtimesNanoAt(SB), R8
	MOVD R8, ret+0(FP)
	RET

TEXT ·get_UtimesNanoAddr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·UtimesNano(SB), R8
	MOVD R8, ret+0(FP)
	RET

TEXT ·get_MkfifoatAddr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·Mkfifoat(SB), R8
	MOVD R8, ret+0(FP)
	RET

TEXT ·get_ChtagAddr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·Chtag(SB), R8

		if t.IsZero() {
			utimes[i] = syscall.Timespec{Sec: _UTIME_OMIT, Nsec: _UTIME_OMIT}
		} else {
			utimes[i] = syscall.NsecToTimespec(t.UnixNano())
		}
	}
	set(0, atime)
	set(1, mtime)
	if e := syscall.UtimesNano(fixLongPath(name), utimes[0:]); e != nil {
		return &PathError{Op: "chtimes", Path: name, Err: e}
	}
	return nil
}

// Chdir changes the current working directory to the file,
// which must be a directory.

		// TODO(neelance): remove when we require at least this Node.js version
		return ENOSYS
	}
	_, err := fsCall("lchown", path, uint32(uid), uint32(gid))
	return err
}

func UtimesNano(path string, ts []Timespec) error {
	// UTIME_OMIT value must match internal/syscall/unix/at_js.go
	const UTIME_OMIT = -0x2
	if err := checkPath(path); err != nil {
		return err
	}
	if len(ts) != 2 {

func Utimes(path string, tv []Timeval) (err error) {
	if len(tv) != 2 {
		return EINVAL
	}
	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}

func UtimesNano(path string, ts []Timespec) error {
	if len(ts) != 2 {
		return EINVAL
	}
	err := utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
	if err != ENOSYS {
		return err
	}

func Utimes(path string, tv []Timeval) error {
	if tv == nil {
		return utimes(path, nil)
	}
	if len(tv) != 2 {
		return EINVAL
	}
	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}

func UtimesNano(path string, ts []Timespec) error {
	if ts == nil {
		err := utimensat(AT_FDCWD, path, nil, 0)
		if err != ENOSYS {
			return err
		}
		return utimes(path, nil)
	}
	if len(ts) != 2 {
		return EINVAL

	if len(tv) != 2 {
		return EINVAL
	}
	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}

//sys	utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)

func UtimesNano(path string, ts []Timespec) error {
	if len(ts) != 2 {
		return EINVAL
	}
	return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
}

}

func gethostname() (name string, err uintptr)

func Gethostname() (name string, err error) {
	name, e1 := gethostname()
	if e1 != 0 {
		err = Errno(e1)
	}
	return name, err
}

func UtimesNano(path string, ts []Timespec) error {
	if len(ts) != 2 {
		return EINVAL
	}
	return utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
}

	if len(tv) != 2 {
		return EINVAL
	}
	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}

//sys	utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)

func UtimesNano(path string, ts []Timespec) error {
	if len(ts) != 2 {
		return EINVAL
	}
	return utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
}