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Remove cgo from term

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This commit is contained in:
Guillaume J. Charmes 2013-06-01 15:51:45 -07:00
parent 078a19d725
commit 64f346779f
2 changed files with 19 additions and 43 deletions
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12
term/term.go
View file

@ -8,13 +8,13 @@ import (
)
type Termios struct {
Iflag uintptr
Oflag uintptr
Cflag uintptr
Lflag uintptr
Iflag uint32
Oflag uint32
Cflag uint32
Lflag uint32
Cc [20]byte
Ispeed uintptr
Ospeed uintptr
Ispeed uint32
Ospeed uint32
}
const (

50
term/termios_linux.go
View file

@ -5,26 +5,6 @@ import (
"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
@ -35,24 +15,20 @@ const (
// 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 {
if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), getTermios, uintptr(unsafe.Pointer(&oldState.termios))); err != 0 {
return nil, err
}
newState := oldState.termios
newState.Iflag &^= (syscall.IGNBRK | syscall.BRKINT | syscall.PARMRK | syscall.ISTRIP | syscall.INLCR | syscall.IGNCR | syscall.ICRNL | syscall.IXON)
newState.Oflag &^= syscall.OPOST
newState.Lflag &^= (syscall.ECHO | syscall.ECHONL | syscall.ICANON | syscall.ISIG | syscall.IEXTEN)
newState.Cflag &^= (syscall.CSIZE | syscall.PARENB)
newState.Cflag |= syscall.CS8
if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), setTermios, uintptr(unsafe.Pointer(&newState))); 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
}