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Last-ditch maximum size limit for Netslide

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This makes sure that width * height <= INT_MAX, which it rather needs
to be.
This commit is contained in:
Ben Harris
2023-01-10 00:25:52 +00:00
parent 051357bb24
commit 40ec3aaf09
1 changed files with 3 additions and 0 deletions
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3
netslide.c
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@ -8,6 +8,7 @@
#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"
@ -307,6 +308,8 @@ static const char *validate_params(const game_params *params, bool full)
{ {
if (params->width <= 1 || params->height <= 1) if (params->width <= 1 || params->height <= 1)
return "Width and height must both be greater than one"; return "Width and height must both be greater than one";
if (params->width > INT_MAX / params->height)
return "Width times height must not be unreasonably large";
if (params->barrier_probability < 0) if (params->barrier_probability < 0)
return "Barrier probability may not be negative"; return "Barrier probability may not be negative";
if (params->barrier_probability > 1) if (params->barrier_probability > 1)