Forbid undo of new-game if it would change the params.

[sgt-puzzles.git] / signpost.c

diff --git a/signpost.c b/signpost.c
index aa2e13af9abfa65ce51c0b663aead1a3cb32825d..ca72768c27530e1a8ce43954666727987738fa85 100644 (file)
--- a/signpost.c
+++ b/signpost.c
@@ -284,7 +284,7 @@ static int check_nums(game_state *orig, game_state *copy, int only_immutable)
     int i, ret = 1;
     assert(copy->n == orig->n);
     for (i = 0; i < copy->n; i++) {
-        if (only_immutable && !copy->flags[i] & FLAG_IMMUTABLE) continue;
+        if (only_immutable && !(copy->flags[i] & FLAG_IMMUTABLE)) continue;
         assert(copy->nums[i] >= 0);
         assert(copy->nums[i] <= copy->n);
         if (copy->nums[i] != orig->nums[i]) {
@@ -2228,7 +2228,7 @@ static void game_print(drawing *dr, const game_state *state, int tilesize)
 const struct game thegame = {
     "Signpost", "games.signpost", "signpost",
     default_params,
-    game_fetch_preset,
+    game_fetch_preset, NULL,
     decode_params,
     encode_params,
     free_params,