diff options
Diffstat (limited to 'boot/boot.c')
| -rw-r--r-- | boot/boot.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/boot/boot.c b/boot/boot.c index a0b5db84..883e5db6 100644 --- a/boot/boot.c +++ b/boot/boot.c @@ -593,12 +593,26 @@ init_termstate () ioctl (0, TIOCSETN, &sgb); } +#include <termios.h> +#undef tcgetattr +#undef tcsetattr + kern_return_t S_tioctl_tiocgeta (mach_port_t port, int modes[], char ccs[], int speeds[]) { +#if 1 + union { struct termios t; + struct { int modes[4]; char cc[20]; int speed[2]; } s; } u; + if (tcgetattr (0, &u.t)) + return errno; + bcopy (u.s.modes, modes, sizeof u.s.modes); + bcopy (u.s.cc, ccs, sizeof u.s.cc); + bcopy (u.s.speed, speeds, sizeof u.s.speed); + return 0; +#else /* Emacs reads the terminal state in one of two cases: 1) Checking whether or not a preceding tiocseta succeeded; 2) Finding out what the state of the terminal was on startup. @@ -615,14 +629,23 @@ S_tioctl_tiocgeta (mach_port_t port, speeds[0] = term_speeds[0]; speeds[1] = term_speeds[1]; return 0; +#endif } kern_return_t S_tioctl_tiocseta (mach_port_t port, - int modes[], - char ccs[], - int speeds[]) + int modes[], + char ccs[], + int speeds[]) { +#if 1 + union { struct termios t; + struct { int modes[4]; char cc[20]; int speed[2]; } s; } u; + memcpy (u.s.modes, modes, sizeof u.s.modes); + memcpy (u.s.cc, ccs, sizeof u.s.cc); + memcpy (u.s.speed, speeds, sizeof u.s.speed); + return tcsetattr (0, 0, &u.t) ? errno : 0; +#else /* Emacs sets the termanal stet in one of two cases: 1) Putting the terminal into raw mode for running; 2) Restoring the terminal to its original state. @@ -658,6 +681,7 @@ S_tioctl_tiocseta (mach_port_t port, term_speeds[0] = speeds[0]; term_speeds[1] = speeds[1]; return 0; +#endif } kern_return_t |