| package term |
| |
| import ( |
| "syscall" |
| "unsafe" |
| ) |
| |
| // #include <termios.h> |
| // #include <sys/ioctl.h> |
| /* |
| void MakeRaw(int fd) { |
| struct termios t; |
| |
| // FIXME: Handle errors? |
| ioctl(fd, TCGETS, &t); |
| |
| t.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON); |
| t.c_oflag &= ~OPOST; |
| t.c_lflag &= ~(ECHO | ECHONL | ICANON | IEXTEN | ISIG); |
| t.c_cflag &= ~(CSIZE | PARENB); |
| t.c_cflag |= CS8; |
| |
| ioctl(fd, TCSETS, &t); |
| } |
| */ |
| import "C" |
| |
| const ( |
| getTermios = syscall.TCGETS |
| setTermios = syscall.TCSETS |
| ) |
| |
| // MakeRaw put the terminal connected to the given file descriptor into raw |
| // mode and returns the previous state of the terminal so that it can be |
| // restored. |
| func MakeRaw(fd int) (*State, error) { |
| var oldState State |
| if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), syscall.TCGETS, uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 { |
| return nil, err |
| } |
| C.MakeRaw(C.int(fd)) |
| return &oldState, nil |
| |
| // FIXME: post on goland issues this: very same as the C function bug non-working |
| |
| // newState := oldState.termios |
| |
| // newState.Iflag &^= (IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON) |
| // newState.Oflag &^= OPOST |
| // newState.Lflag &^= (ECHO | syscall.ECHONL | ICANON | ISIG | IEXTEN) |
| // newState.Cflag &^= (CSIZE | syscall.PARENB) |
| // newState.Cflag |= CS8 |
| |
| // if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), syscall.TCSETS, uintptr(unsafe.Pointer(&newState))); err != 0 { |
| // return nil, err |
| // } |
| // return &oldState, nil |
| } |