Function AddToKeyQueue

outdated/sys/mac/macwin.c:162–177

* Add key to input queue, force means flush left and replace if full */

 * Add key to input queue, force means flush left and replace if full
 */
void
AddToKeyQueue(unsigned char ch, Boolean force)
{
    if (keyQueueCount < QUEUE_LEN) {
        keyQueue[keyQueueWrite++] = ch;
        keyQueueCount++;
    } else if (force) {
        keyQueue[keyQueueWrite++] = ch;
        keyQueueRead++;
        if (keyQueueRead >= QUEUE_LEN)
            keyQueueRead = 0;
        keyQueueCount = QUEUE_LEN;
    }
    if (keyQueueWrite >= QUEUE_LEN)
        keyQueueWrite = 0;
}

/*
 * Get key from queue