fix memory leak

ht.c

@@ -0,0 +1 @@
+#include "ht.h"

include/display.h

@@ -30,11 +30,14 @@ enum action {
     NUM_ACTIONS,
 };
 
-display_t  *display_init(void);
-void        display_map(display_t *disp, struct map *map, ht_t *entities);
-void        display_instructions(display_t *disp);
-void        display_message(display_t *disp, char *msg);
-void        display_status(display_t *disp, struct entity *entity);
+display_t *display_init(void);
+void       display_destroy(display_t *disp);
+
+void display_map(display_t *disp, struct map *map, ht_t *entities);
+void display_instructions(display_t *disp);
+void display_message(display_t *disp, char *msg);
+void display_status(display_t *disp, struct entity *entity);
+
 enum action display_process_input(void);
 
 #endif // DISPLAY_H_

main.c

@@ -138,6 +138,7 @@ int main(void)
 
     free(map.map);
     ht_destroy(entities);
+    display_destroy(disp);
 
     endwin();
 

src/display.c

@@ -89,6 +89,16 @@ display_t *display_init(void)
     return create_windows();
 }
 
+void display_destroy(display_t *disp)
+{
+    delwin(disp->main);
+    delwin(disp->inst);
+    delwin(disp->msgs);
+    delwin(disp->stat);
+
+    free(disp);
+}
+
 void display_map(display_t *disp, struct map *map, ht_t *entities)
 {
     // print map

src/ht.c

@@ -4,8 +4,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define SIZE 1024
-
 struct node {
     char        *key;
     void        *val;
@@ -56,6 +54,8 @@ static void rehash(ht_t *h, int newsize)
     h->curr_index = 0;
     h->curr_node  = NULL;
     h->iterating  = false;
+
+    free(new_h);
 }
 
 static unsigned long djb2_hash(char *str)