Do a size_t size sanity check

TurkeyMcMac · Apr 9, 2021 · 55a71e9 · 55a71e9
1 parent ca3e9f4
commit 55a71e9
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/src/maze.c b/src/maze.c
@@ -146,6 +146,8 @@ int maze_generate(struct maze *maze, int width_nodes, int height_nodes,
 	/* Convert the dimensions in nodes to dimensions in tiles. */
 	maze->width = width_nodes * 2 - 1;
 	maze->height = height_nodes * 2 - 1;
+	/* Check that size_t can fit the number of tiles then try allocating. */
+	if ((size_t)-1 < 32767U) goto error_maze_alloc;
 	maze->tiles = calloc((size_t)(maze->width * maze->height),
 		sizeof(*maze->tiles));
 	if (!maze->tiles) goto error_maze_alloc;

diff --git a/src/version.h b/src/version.h
@@ -1,2 +1,2 @@
 /* The version of the program: */
-#define VERSION "0.5.12"
+#define VERSION "0.5.13"