Fix memory leaks

1 files changed, 10 insertions, 0 deletions

diff --git a/path.c b/path.c
index 37f2dbf..6f00ee8 100644
--- a/path.c
+++ b/path.c
@@ -38,6 +38,7 @@ Path breadth_first_search_path_4dir(Map map, size_t width, size_t height, Positi
         visited[cur.y][cur.x] = 1;
 
         if (cur.x == end.x && cur.y == end.y) {
+            ppq_free(frontier);
             return path; /* Found path */
         }
 
@@ -79,6 +80,7 @@ Path breadth_first_search_path_8dir(Map map, size_t width, size_t height, Positi
         visited[cur.y][cur.x] = 1;
 
         if (cur.x == end.x && cur.y == end.y) {
+            ppq_free(frontier);
             return path; /* Found path */
         }
 
@@ -136,3 +138,11 @@ size_t manhattan_distance(Position a, Position b) {
     }
     return d;
 }
+
+void path_free(Path path, size_t height) {
+    if (path == NULL) return;
+    for (size_t i = 0; i < height; i++) {
+        free(path[i]);
+    }
+    free(path);
+}