From 4f93a530e1289925c606feb47c06044500f71f93 Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Sun, 1 Jun 2014 01:26:36 +0800
Subject: [PATCH] assert free

---
 src/token.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/token.c b/src/token.c
index c646a4a..e2c6404 100644
--- a/src/token.c
+++ b/src/token.c
@@ -24,6 +24,7 @@ str_array * str_array_create(int cap) {
 }
 
 void str_array_free(str_array *l) {
+    assert(l);
     for ( int i = 0; i < l->len ; i++ ) {
         if (l->tokens[ i ]) {
             zfree(l->tokens[i]);