diff options
| -rw-r--r-- | magnets.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -36,6 +36,7 @@ #include <string.h> #include <assert.h> #include <ctype.h> +#include <limits.h> #include <math.h> #include "puzzles.h" @@ -232,6 +233,8 @@ static const char *validate_params(const game_params *params, bool full) { if (params->w < 2) return "Width must be at least two"; if (params->h < 2) return "Height must be at least two"; + if (params->w > INT_MAX / params->h) + return "Width times height must not be unreasonably large"; if (params->diff >= DIFF_TRICKY) { if (params->w < 5 && params->h < 5) return "Either width or height must be at least five for Tricky"; |