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Last-ditch maximum size limit for Bridges

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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 00:09:11 +00:00
parent 21193eaf93
commit 97484b098f
1 changed files with 3 additions and 0 deletions
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3
bridges.c
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@ -72,6 +72,7 @@
#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"
@ -803,6 +804,8 @@ static const char *validate_params(const game_params *params, bool full)
{ {
if (params->w < 3 || params->h < 3) if (params->w < 3 || params->h < 3)
return "Width and height must be at least 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) if (params->maxb < 1 || params->maxb > MAX_BRIDGES)
return "Too many bridges."; return "Too many bridges.";
if (full) { if (full) {