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patch by Stuart Hughes <seh@zee2.com> and Guenter <lists@gknw.net> to make "0" a special baud rate for getty where it uses this as "leave baud rate unchanged"

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This commit is contained in:
Mike Frysinger 2009-04-09 07:08:04 +00:00
parent f50caac53c
commit fe013a74ff
1 changed files with 7 additions and 1 deletions
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8
loginutils/getty.c
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@ -163,8 +163,14 @@ static void parse_speeds(struct options *op, char *arg)
debug("entered parse_speeds\n");
while ((cp = strsep(&arg, ",")) != NULL) {
op->speeds[op->numspeed] = bcode(cp);
if (op->speeds[op->numspeed] <= 0)
if (op->speeds[op->numspeed] < 0)
bb_error_msg_and_die("bad speed: %s", cp);
else if (op->speeds[op->numspeed] == 0) {
struct termios tio;
if (tcgetattr(1, &tio) != 0)
bb_error_msg_and_die("auto baudrate detection failed");
op->speeds[op->numspeed] = cfgetospeed(&tio);
}
op->numspeed++;
if (op->numspeed > MAX_SPEED)
bb_error_msg_and_die("too many alternate speeds");