Last-ditch maximum size limit for Light Up

This makes sure that width * height <= INT_MAX, which it rather needs
to be.
This commit is contained in:
Ben Harris
2023-01-10 20:31:10 +00:00
parent 98724b9093
commit fcda12f4b7

View File

@ -47,6 +47,7 @@
#include <string.h> #include <string.h>
#include <assert.h> #include <assert.h>
#include <ctype.h> #include <ctype.h>
#include <limits.h>
#include <math.h> #include <math.h>
#include "puzzles.h" #include "puzzles.h"
@ -346,6 +347,8 @@ static const char *validate_params(const game_params *params, bool full)
{ {
if (params->w < 2 || params->h < 2) if (params->w < 2 || params->h < 2)
return "Width and height must be at least 2"; return "Width and height must be at least 2";
if (params->w > INT_MAX / params->h)
return "Width times height must not be unreasonably large";
if (full) { if (full) {
if (params->blackpc < 5 || params->blackpc > 100) if (params->blackpc < 5 || params->blackpc > 100)
return "Percentage of black squares must be between 5% and 100%"; return "Percentage of black squares must be between 5% and 100%";