// 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.