shithub: puzzles

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Fix the issue with adding only one arrow when the other end was already white

--- a/galaxies.c

+++ b/galaxies.c

@@ -350,6 +350,7 @@

 }

 static void add_assoc_with_opposite(game_state *state, space *tile, space *dot) {

+    int *colors;

     space *opposite = space_opposite_dot(state, tile, dot);

     if (opposite == NULL) {

@@ -359,6 +360,18 @@

         return;

     }

+    colors = snewn(state->w * state->h, int);

+    check_complete(state, NULL, colors);

+    if (colors[(tile->y - 1)/2 * state->w + (tile->x - 1)/2]) {

+        sfree(colors);

+        return;

+    }

+    if (colors[(opposite->y - 1)/2 * state->w + (opposite->x - 1)/2]) {

+        sfree(colors);

+        return;

+    }

+

+    sfree(colors);

     add_assoc(state, tile, dot);

     add_assoc(state, opposite, dot);

 }