From 0d10e279c8b604f71829b5d49d092719f4ae96b6 Mon Sep 17 00:00:00 2001
From: Max Bruckner <max@maxbruckner.de>
Date: Fri, 11 Nov 2016 11:53:14 +0700
Subject: [PATCH] fix #55 memory leak in cJSON_ReplaceItemInObject

---
 cJSON.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cJSON.c b/cJSON.c
index 0fd8c3e..ae70fc6 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -1861,6 +1861,12 @@ void cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem
     }
     if(c)
     {
+        /* free the old string if not const */
+        if (!(newitem->type & cJSON_StringIsConst) && newitem->string)
+        {
+             cJSON_free(newitem->string);
+        }
+
         newitem->string = cJSON_strdup(string);
         cJSON_ReplaceItemInArray(object, i, newitem);
     }