console: add question-mark escape operator

Some termcaps (found using SLES11SP1) use [? sequences. According to man
console_codes (http://linux.die.net/man/4/console_codes) the question mark
is a nop and should simply be ignored.

This patch does exactly that, rendering screen output readable when
outputting guest serial consoles to the graphical console emulator.

Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/ui/console.c b/ui/console.c
index 258af5d..59b5077 100644 (file)
--- a/ui/console.c
+++ b/ui/console.c
@@ -853,7 +853,7 @@ static void console_putchar(QemuConsole *s, int ch)
         } else {
             if (s->nb_esc_params < MAX_ESC_PARAMS)
                 s->nb_esc_params++;
-            if (ch == ';')
+            if (ch == ';' || ch == '?')
                 break;
             trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
                                       ch, s->nb_esc_params);