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Last-ditch maximum size limit for Tracks

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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 20:39:06 +00:00
parent 07999443c2
commit c53e0d3867
1 changed files with 3 additions and 0 deletions
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3
tracks.c
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@ -20,6 +20,7 @@
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <math.h>
#include "puzzles.h"
@ -196,6 +197,8 @@ static const char *validate_params(const game_params *params, bool full)
*/
if (params->w < 4 || params->h < 4)
return "Width and height must both be at least four";
if (params->w > INT_MAX / params->h)
return "Width times height must not be unreasonably large";
return NULL;
}