From cab2708dcf2a38d9a25a17bebd21205c498042f5 Mon Sep 17 00:00:00 2001
From: Alex Lisitsyn <aleks@espressif.com>
Date: Fri, 16 Aug 2024 22:22:59 +0800
Subject: [PATCH] Bugfix/modbus fix using of hostname

---
 freemodbus/tcp_master/port/port_tcp_master.c | 2 +-
 freemodbus/tcp_slave/port/port_tcp_slave.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/freemodbus/tcp_master/port/port_tcp_master.c b/freemodbus/tcp_master/port/port_tcp_master.c
index 665d039..ff8930d 100644
--- a/freemodbus/tcp_master/port/port_tcp_master.c
+++ b/freemodbus/tcp_master/port/port_tcp_master.c
@@ -498,7 +498,7 @@ static BOOL xMBTCPPortMasterCheckHost(const CHAR *pcHostStr, ip_addr_t *pxHostAd
     if (pxHostAddr) {
         *pxHostAddr = xTargetAddr;
     }
-    ESP_LOGI(TAG, "Host[IP]: \"%s\"[%s]", pxAddrList->ai_canonname, pcStr);
+    ESP_LOGI(TAG, "Host IP: [%s]", pcStr);
     freeaddrinfo(pxAddrList);
     return TRUE;
 }
diff --git a/freemodbus/tcp_slave/port/port_tcp_slave.c b/freemodbus/tcp_slave/port/port_tcp_slave.c
index ed11d59..7e641b4 100644
--- a/freemodbus/tcp_slave/port/port_tcp_slave.c
+++ b/freemodbus/tcp_slave/port/port_tcp_slave.c
@@ -440,7 +440,7 @@ vMBTCPPortBindAddr(const CHAR* pcBindIp)
             }
         }
         // Bind was successful
-        pcStr = (pxCurAddr->ai_canonname == NULL) ? (CHAR*)"\0" : pxCurAddr->ai_canonname;
+        pcStr = (pxCurAddr->ai_canonname == NULL) ? (CHAR*)"ANY_IP" : pxCurAddr->ai_canonname;
         ESP_LOGI(TAG, "Socket (#%d), listener %s on port: %u, errno=%u",
                                             (int)xListenSockFd, pcStr, (unsigned)xConfig.usPort, (unsigned)errno);
         break;