Just noticed another thing that could easily catch me out when

[sgt/puzzles] / pegs.c

diff --git a/pegs.c b/pegs.c
index 5bb5de2..4abe116 100644 (file)
--- a/pegs.c
+++ b/pegs.c
@@ -869,7 +869,7 @@ static game_state *execute_move(game_state *state, char *move)
     int sx, sy, tx, ty;
     game_state *ret;
 
-    if (sscanf(move, "%d,%d-%d,%d", &sx, &sy, &tx, &ty)) {
+    if (sscanf(move, "%d,%d-%d,%d", &sx, &sy, &tx, &ty) == 4) {
        int mx, my, dx, dy;
 
        if (sx < 0 || sx >= w || sy < 0 || sy >= h)