From c0cdc72d1010da494c47b8157047440996194ff6 Mon Sep 17 00:00:00 2001
From: Renge <renge@renge.io>
Date: Fri, 4 Mar 2022 22:24:55 -0500
Subject: [PATCH] fix: mem leak when a new error message overwrite the old one

---
 hw2/src/errmsg.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw2/src/errmsg.c b/hw2/src/errmsg.c
index 74bbb04..ff4eb7c 100644
--- a/hw2/src/errmsg.c
+++ b/hw2/src/errmsg.c
@@ -18,6 +18,7 @@ static char *errmsg = NULL;
 
 void set_error(char *msg)
 {
+    clear_error();
     errmsg = strdup(msg);
 }