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Map: reduce maximum size

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validate_desc relies on being able to calculate 2*wh in an int, so the
maximum grid size is at most INT_MAX/2.
This commit is contained in:
Ben Harris
2023-02-26 14:51:09 +00:00
parent 93be3f7cca
commit e2d390aae8
1 changed files with 1 additions and 1 deletions
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2
map.c
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@ -255,7 +255,7 @@ static const char *validate_params(const game_params *params, bool full)
{
if (params->w < 2 || params->h < 2)
return "Width and height must be at least two";
if (params->w > INT_MAX / params->h)
if (params->w > INT_MAX / 2 / params->h)
return "Width times height must not be unreasonably large";
if (params->n < 5)
return "Must have at least five regions";