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package termios
import (
"errors"
"unsafe"
"golang.org/x/sys/unix"
)
func open_pty_master() (uintptr, error) {
return open_device("/dev/ptmx")
}
func Ptsname(fd uintptr) (string, error) {
n := make([]byte, _IOC_PARM_LEN(unix.TIOCPTYGNAME))
err := ioctl(fd, unix.TIOCPTYGNAME, uintptr(unsafe.Pointer(&n[0])))
if err != nil {
return "", err
}
for i, c := range n {
if c == 0 {
return string(n[:i]), nil
}
}
return "", errors.New("TIOCPTYGNAME string not NUL-terminated")
}
func grantpt(fd uintptr) error {
return unix.IoctlSetInt(int(fd), unix.TIOCPTYGRANT, 0)
}
func unlockpt(fd uintptr) error {
return unix.IoctlSetInt(int(fd), unix.TIOCPTYUNLK, 0)
}
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