From 74f7f4e252824a139df5430cef87b87d5b082b60 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Fri, 24 Dec 2021 02:04:47 -0500
Subject: maze: Draw a border around the maze

---
diff --git a/src/maze.c b/src/maze.c
index d991328..92c1410 100644
--- a/src/maze.c
+++ b/src/maze.c
@@ -250,6 +250,19 @@ mf_maze_render(struct mf_maze *m, SDL_Renderer *renderer, SDL_Color *color,
 				SDL_GetError());
 		e = -1;
 	}
+
+	x = m->w * cw - 1;
+	y = m->h * cw - 1;
+	if (
+			SDL_RenderDrawLine(renderer, 0, 0, x, 0) < 0 ||
+			SDL_RenderDrawLine(renderer, 0, y, x, y) < 0 ||
+			SDL_RenderDrawLine(renderer, 0, 0, 0, y) < 0 ||
+			SDL_RenderDrawLine(renderer, x, 0, x, y) < 0) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+				"Couldn't draw line: %s", SDL_GetError());
+		e = -1;
+	}
+
 	for (y = 0; y < m->h; ++y) {
 		for (x = 0; x < m->w; ++x) {
 			if (y < m->h - 1 && mf_maze_is_wall(m, x, y, 0, 1) &&
--
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