fix #55 memory leak in cJSON_ReplaceItemInObject

DaveGamble · Nov 11, 2016 · 0d10e27 · 0d10e27
1 parent 9e31049
commit 0d10e27
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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);
     }