diff options
Diffstat (limited to 'vendor/github.com/kr/pty/pty_dragonfly.go')
-rw-r--r-- | vendor/github.com/kr/pty/pty_dragonfly.go | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/vendor/github.com/kr/pty/pty_dragonfly.go b/vendor/github.com/kr/pty/pty_dragonfly.go deleted file mode 100644 index 5431fb5ae..000000000 --- a/vendor/github.com/kr/pty/pty_dragonfly.go +++ /dev/null @@ -1,76 +0,0 @@ -package pty - -import ( - "errors" - "os" - "strings" - "syscall" - "unsafe" -) - -// same code as pty_darwin.go -func open() (pty, tty *os.File, err error) { - p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0) - if err != nil { - return nil, nil, err - } - - sname, err := ptsname(p) - if err != nil { - return nil, nil, err - } - - err = grantpt(p) - if err != nil { - return nil, nil, err - } - - err = unlockpt(p) - if err != nil { - return nil, nil, err - } - - t, err := os.OpenFile(sname, os.O_RDWR, 0) - if err != nil { - return nil, nil, err - } - return p, t, nil -} - -func grantpt(f *os.File) error { - _, err := isptmaster(f.Fd()) - return err -} - -func unlockpt(f *os.File) error { - _, err := isptmaster(f.Fd()) - return err -} - -func isptmaster(fd uintptr) (bool, error) { - err := ioctl(fd, syscall.TIOCISPTMASTER, 0) - return err == nil, err -} - -var ( - emptyFiodgnameArg fiodgnameArg - ioctl_FIODNAME = _IOW('f', 120, unsafe.Sizeof(emptyFiodgnameArg)) -) - -func ptsname(f *os.File) (string, error) { - name := make([]byte, _C_SPECNAMELEN) - fa := fiodgnameArg{Name: (*byte)(unsafe.Pointer(&name[0])), Len: _C_SPECNAMELEN, Pad_cgo_0: [4]byte{0, 0, 0, 0}} - - err := ioctl(f.Fd(), ioctl_FIODNAME, uintptr(unsafe.Pointer(&fa))) - if err != nil { - return "", err - } - - for i, c := range name { - if c == 0 { - s := "/dev/" + string(name[:i]) - return strings.Replace(s, "ptm", "pts", -1), nil - } - } - return "", errors.New("TIOCPTYGNAME string not NUL-terminated") -} |