ref: 97484b098f33266f6c747c292c708281cb15a286
parent: 21193eaf9308ace41004a19180ff382ec6e8754b
author: Ben Harris <[email protected]>
date: Mon Jan 9 19:09:11 EST 2023
Last-ditch maximum size limit for Bridges This makes sure that width * height <= INT_MAX, which it rather needs to be.
--- a/bridges.c
+++ b/bridges.c
@@ -72,6 +72,7 @@
#include <string.h>
#include <assert.h>
#include <ctype.h>
+#include <limits.h>
#include <math.h>
#include "puzzles.h"
@@ -803,6 +804,8 @@
{
if (params->w < 3 || params->h < 3)
return "Width and height must be at least 3";
+ if (params->w > INT_MAX / params->h)
+ return "Width times height must not be unreasonably large";
if (params->maxb < 1 || params->maxb > MAX_BRIDGES)
return "Too many bridges.";
if (full) {