diff options
| -rw-r--r-- | payloads/libpayload/curses/keyboard.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/payloads/libpayload/curses/keyboard.c b/payloads/libpayload/curses/keyboard.c index 45bd4442fe..ead4313a98 100644 --- a/payloads/libpayload/curses/keyboard.c +++ b/payloads/libpayload/curses/keyboard.c @@ -50,21 +50,24 @@ static int _halfdelay = 0; do the cooking in here, but we should probably eventually pass it to dedicated vt100 code */ -static int getkeyseq(char *buffer, int len) +static int getkeyseq(char *buffer, int len, int max) { int i; - for(i = 0; i < 75; i++) { - if (serial_havechar()) - break; - mdelay(1); - } + while (1) { + for(i = 0; i < 75; i++) { + if (serial_havechar()) + break; + mdelay(1); + } - if (i == 75) - return len; + if (i == 75) + return len; - buffer[len++] = serial_getchar(); - return getkeyseq(buffer, len); + buffer[len++] = serial_getchar(); + if (len == max) + return len; + } } static struct { @@ -99,7 +102,7 @@ static struct { static int handle_escape(void) { char buffer[5]; - int len = getkeyseq(buffer, 0); + int len = getkeyseq(buffer, 0, sizeof(buffer)); int i, t; if (len == 0) |