diff options
| -rw-r--r-- | pearl.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -35,6 +35,7 @@ #include <string.h> #include <assert.h> #include <ctype.h> +#include <limits.h> #include <math.h> #include "puzzles.h" @@ -272,6 +273,8 @@ static const char *validate_params(const game_params *params, bool full) { if (params->w < 5) return "Width must be at least five"; if (params->h < 5) return "Height must be at least five"; + if (params->w > INT_MAX / params->h) + return "Width times height must not be unreasonably large"; if (params->difficulty < 0 || params->difficulty >= DIFFCOUNT) return "Unknown difficulty level"; if (params->difficulty >= DIFF_TRICKY && params->w + params->h < 11) |