From ee5c58ad8148601f9716d262e6b18b99e4c9842d Mon Sep 17 00:00:00 2001
From: Sheldon Lee <sheldon.m.lee@gmail.com>
Date: Sat, 27 Jun 2020 01:20:49 +0100
Subject: [PATCH] destroyGrid() frees grid contents and itself.

---
 grid.c | 10 +++++++++-
 grid.h |  3 +++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/grid.c b/grid.c
index a7cc0f9..ad8c8fc 100644
--- a/grid.c
+++ b/grid.c
@@ -1,6 +1,7 @@
+#include <stdio.h>
+#include <ncurses.h>
 #include <stdlib.h>
 #include <time.h>
-#include <ncurses.h>
 #include "grid.h"
 
 // locally used declaration
@@ -78,6 +79,13 @@ void drawGrid(Grid* grid)
 	}
 }
 
+void destroyGrid(Grid* grid)
+{
+	free(grid->state);
+	free(grid->next_state);
+	free(grid);
+	printf("Grid destroyed\n");
+}
 // locally used
 // check if cell's next state is alive
 static bool isAliveNext(Grid* grid, int x, int y)
diff --git a/grid.h b/grid.h
index fa18e09..5990206 100644
--- a/grid.h
+++ b/grid.h
@@ -10,6 +10,7 @@ typedef struct Grid {
 	bool* next_state;
 } Grid;
 
+// inits grid and returns pointer to grid. Remember to use Destroy Grid to deallocate
 Grid* initGrid(unsigned int width, unsigned int height);
 
 void randomizeGrid(Grid* grid);
@@ -26,5 +27,7 @@ void setPixel(Grid* grid, int x, int y, bool on);
 
 void drawGrid(Grid* grid);
 
+void destroyGrid(Grid* grid);
+
 #endif