diff options
Diffstat (limited to 'vendor/github.com/containerd/console/tc_unix.go')
-rw-r--r-- | vendor/github.com/containerd/console/tc_unix.go | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/console/tc_unix.go b/vendor/github.com/containerd/console/tc_unix.go new file mode 100644 index 000000000..df7dcb933 --- /dev/null +++ b/vendor/github.com/containerd/console/tc_unix.go @@ -0,0 +1,75 @@ +// +build darwin freebsd linux solaris + +package console + +import ( + "golang.org/x/sys/unix" +) + +func tcget(fd uintptr, p *unix.Termios) error { + termios, err := unix.IoctlGetTermios(int(fd), cmdTcGet) + if err != nil { + return err + } + *p = *termios + return nil +} + +func tcset(fd uintptr, p *unix.Termios) error { + return unix.IoctlSetTermios(int(fd), cmdTcSet, p) +} + +func tcgwinsz(fd uintptr) (WinSize, error) { + var ws WinSize + + uws, err := unix.IoctlGetWinsize(int(fd), unix.TIOCGWINSZ) + if err != nil { + return ws, err + } + + // Translate from unix.Winsize to console.WinSize + ws.Height = uws.Row + ws.Width = uws.Col + ws.x = uws.Xpixel + ws.y = uws.Ypixel + return ws, nil +} + +func tcswinsz(fd uintptr, ws WinSize) error { + // Translate from console.WinSize to unix.Winsize + + var uws unix.Winsize + uws.Row = ws.Height + uws.Col = ws.Width + uws.Xpixel = ws.x + uws.Ypixel = ws.y + + return unix.IoctlSetWinsize(int(fd), unix.TIOCSWINSZ, &uws) +} + +func setONLCR(fd uintptr, enable bool) error { + var termios unix.Termios + if err := tcget(fd, &termios); err != nil { + return err + } + if enable { + // Set +onlcr so we can act like a real terminal + termios.Oflag |= unix.ONLCR + } else { + // Set -onlcr so we don't have to deal with \r. + termios.Oflag &^= unix.ONLCR + } + return tcset(fd, &termios) +} + +func cfmakeraw(t unix.Termios) unix.Termios { + t.Iflag &^= (unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON) + t.Oflag &^= unix.OPOST + t.Lflag &^= (unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN) + t.Cflag &^= (unix.CSIZE | unix.PARENB) + t.Cflag &^= unix.CS8 + t.Cc[unix.VMIN] = 1 + t.Cc[unix.VTIME] = 0 + + return t +} |