Mines: add validation for negative mine count.

If this gets through validation, it causes an infinite loop after
gameplay begins.
This commit is contained in:
Simon Tatham
2020-03-17 18:12:33 +00:00
parent d022a1c11c
commit d71ac73d8a

View File

@ -258,6 +258,8 @@ static const char *validate_params(const game_params *params, bool full)
*/
if (full && params->unique && (params->w <= 2 || params->h <= 2))
return "Width and height must both be greater than two";
if (params->n < 0)
return "Mine count may not be negative";
if (params->n > params->w * params->h - 9)
return "Too many mines for grid size";