err = rename (lock_filename, filename);
if (err < 0) {
- fprintf (stderr, "Error: Failes to rename %s to %s: %s\n",
+ fprintf (stderr, "Error: Failed to rename %s to %s: %s\n",
lock_filename, filename, strerror (errno));
continue;
}
}
static void
-mnemon_do_challenges (mnemon_t *mnemon)
+mnemon_do_challenges (mnemon_t *mnemon,
+ int to_introduce)
{
bin_t *bin;
int item_index;
item_t *item;
char *response;
bool_t correct;
+ int unlearned;
+ int i;
+
+ /* Count the number of items with negative counts. */
+ unlearned = 0;
+ for (i = 0; i < mnemon->num_bins; i++) {
+ bin = &mnemon->bins[i];
+ if (bin->count >= 0)
+ break;
+ unlearned += bin->num_items;
+ }
+
+ to_introduce -= unlearned;
+ if (to_introduce < 0)
+ to_introduce = 0;
+
+ if (unlearned) {
+ printf ("You've got %d items to learn already. ", unlearned);
+ if (to_introduce)
+ printf ("I'll introduce %d more as we go.", to_introduce);
+ printf ("\n");
+ } else {
+ printf ("Introducing %d new items.\n", to_introduce);
+ }
+ printf ("\n");
+
+ do {
+ do {
+ mnemon_select_item (mnemon, &bin, &item_index);
+ } while (bin->count == 0 && to_introduce == 0);
+
+ if (bin->count == 0)
+ to_introduce--;
- while (1) {
- mnemon_select_item (mnemon, &bin, &item_index);
item = bin->items[item_index];
printf ("%s\n", item->challenge);
mnemon_remove_bin (mnemon, bin);
if (correct) {
- printf ("Correct!\n\n");
- if (item->count < 0)
+ item->count++;
+ /* We reserve an item count of 0 for an item that has
+ * never been asked. */
+ if (item->count == 0) {
item->count = 1;
- else
- item->count++;
+ unlearned--;
+ printf ("You got it!");
+ } else if (item->count < 0) {
+ printf ("Yes---just give me %d more.",
+ - item->count);
+ } else {
+ printf ("Masterful.");
+ }
} else {
- printf (" %s is the correct answer.\n\n",
+ printf (" %s is the correct answer.",
item->response);
- if (item->count > 0)
+ item->count--;
+ /* Penalize an incorrect response by forcing the count
+ * negative. */
+ if (item->count >= 0) {
item->count = -1;
- else
- item->count--;
+ unlearned++;
+ printf ( " Oops, you knew that, right?\n ");
+ }
}
+ printf (" (");
+ if (to_introduce)
+ printf ("%d to come. ", to_introduce);
+ if (unlearned)
+ printf ("%d still unlearned.", unlearned);
+ if (to_introduce == 0 && unlearned == 0)
+ printf ("Great job!");
+ printf (")\n\n");
+
bin = mnemon_get_bin (mnemon, item->count);
bin_add_item (bin, item);
- }
+ } while (unlearned || to_introduce);
}
int
{
mnemon_t mnemon;
- srand (1);
+ srand (time (NULL));
mnemon_init (&mnemon);
mnemon_load (&mnemon);
- mnemon_do_challenges (&mnemon);
+ mnemon_do_challenges (&mnemon, 10);
mnemon_save (&mnemon);