cv9/snake.c

@@ -3,6 +3,9 @@
 
 struct snake* add_snake(struct snake* snake,int x,int y){
     struct snake* hlavicka = calloc(1,sizeof(struct snake));
+    if (hlavicka == NULL) {
+        return NULL; 
+    }
     
     hlavicka->x = x;
     hlavicka->y = y;
@@ -13,18 +16,7 @@ struct snake* add_snake(struct snake* snake,int x,int y){
 }
 
 struct snake* remove_snake(struct snake* snake){
-    if (snake == NULL) {
-        return NULL; 
-    }
-    
-    struct snake* nova_hlavicka = snake->next;
-    free(snake);
-
-    if (nova_hlavicka != NULL) {
-        nova_hlavicka->next = NULL;
-    }
-
-    return nova_hlavicka;
+    return NULL;
 }
 
 void free_snake(struct snake* sn){