correction boucl inf toolbox.c

functional_market/Fundamentals/toolbox.c

@@ -7,7 +7,7 @@ struct array *sort(struct array *arr, comparator f)
 {
 
     void *temp = malloc(arr->elem_size);
-
+    if (arr->len > 0) {
         for(size_t index1 = 0; index1 < arr->len - 1; index1 ++ ){
 
             for(size_t index2 = index1; index2 < arr->len; index2 ++){
@@ -22,6 +22,7 @@ struct array *sort(struct array *arr, comparator f)
                 }
             }
         }
+    }
 
     free(temp);
     return arr;