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Last-ditch maximum size limit for Pearl

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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 20:39:57 +00:00
parent 91c0fac1dc
commit 8a3fb82e23
1 changed files with 3 additions and 0 deletions
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3
pearl.c
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@ -35,6 +35,7 @@
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <math.h>
#include "puzzles.h"
@ -272,6 +273,8 @@ static const char *validate_params(const game_params *params, bool full)
{
if (params->w < 5) return "Width must be at least five";
if (params->h < 5) return "Height must be at least five";
if (params->w > INT_MAX / params->h)
return "Width times height must not be unreasonably large";
if (params->difficulty < 0 || params->difficulty >= DIFFCOUNT)
return "Unknown difficulty level";
if (params->difficulty >= DIFF_TRICKY && params->w + params->h < 11)