Constrain mine count to be at most the largest number of mines we

[sgt/puzzles] / mines.c

diff --git a/mines.c b/mines.c
index 881cad0..73d4c09 100644 (file)
--- a/mines.c
+++ b/mines.c
@@ -255,6 +255,8 @@ static char *validate_params(game_params *params)
        return "Width must be greater than zero";
     if (params->h <= 0)
        return "Height must be greater than zero";
+    if (params->n > params->w * params->h - 9)
+       return "Too many mines for grid size";
 
     /*
      * FIXME: Need more constraints here. Not sure what the