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| author | Ben Harris <bjh21@bjh21.me.uk> | 2023-01-11 00:04:59 +0000 |
|---|---|---|
| committer | Ben Harris <bjh21@bjh21.me.uk> | 2023-01-15 16:24:27 +0000 |
| commit | 98724b90936c46e457234a0189bb09242fc727d1 (patch) | |
| tree | d8371ee318144da4fdd7ea0b3a9e4b90685bbd75 | |
| parent | d60192531e3ee6b492151f6aa8edd481ebddcdf7 (diff) | |
| download | puzzles-98724b90936c46e457234a0189bb09242fc727d1.zip puzzles-98724b90936c46e457234a0189bb09242fc727d1.tar.gz puzzles-98724b90936c46e457234a0189bb09242fc727d1.tar.bz2 puzzles-98724b90936c46e457234a0189bb09242fc727d1.tar.xz | |
Last-ditch grid-size limit for Inertia
At least prevent integer overflow when constructing the grid.
| -rw-r--r-- | inertia.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -11,6 +11,7 @@ #include <string.h> #include <assert.h> #include <ctype.h> +#include <limits.h> #include <math.h> #include "puzzles.h" @@ -202,6 +203,8 @@ static const char *validate_params(const game_params *params, bool full) */ if (params->w < 2 || params->h < 2) return "Width and height must both be at least two"; + if (params->w > INT_MAX / params->h) + return "Width times height must not be unreasonably large"; /* * The grid construction algorithm creates 1/5 as many gems as |