From ced0de4edae83d7b0c93fc7475931a879181fabf Mon Sep 17 00:00:00 2001
From: Mikhail Basanets <mbasanets11@gmail.com>
Date: Mon, 16 Nov 2020 19:56:28 +0200
Subject: [PATCH] Added check if the connectionOrder receives nullptr and not a
 valid string. This can be a case if address.option(connectionOrder) returns
 nullptr.

---
 src/linux_tcp/connectionorder.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/linux_tcp/connectionorder.h b/src/linux_tcp/connectionorder.h
index 613bc35..fccfa71 100644
--- a/src/linux_tcp/connectionorder.h
+++ b/src/linux_tcp/connectionorder.h
@@ -50,7 +50,8 @@ public:
     ConnectionOrder(const char *order) : _order(Order::standard)
     {
         // Set the orders based on the string
-        if      (strcmp(order, "random") == 0) _order = Order::random;
+        if      (order == nullptr) {} // first check if the order is not null
+        else if (strcmp(order, "random") == 0) _order = Order::random;
         else if (strcmp(order, "ascending") == 0 || strcmp(order, "asc") == 0) _order = Order::ascending;
         else if (strcmp(order, "descending") == 0 || strcmp(order, "desc") == 0 ) _order = Order::descending;
     }