diff options
| -rw-r--r-- | signpost.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -7,6 +7,7 @@ #include <string.h> #include <assert.h> #include <ctype.h> +#include <limits.h> #include <math.h> #include "puzzles.h" @@ -421,6 +422,8 @@ static const char *validate_params(const game_params *params, bool full) { if (params->w < 1) return "Width must be at least one"; if (params->h < 1) return "Height must be at least one"; + if (params->w > INT_MAX / params->h) + return "Width times height must not be unreasonably large"; if (full && params->w == 1 && params->h == 1) /* The UI doesn't let us move these from unsolved to solved, * so we disallow generating (but not playing) them. */ |