From 573b1e68fe94dbb746bdb59f5034577411f9504c Mon Sep 17 00:00:00 2001
From: Teuniz <teuniz@gmail.com>
Date: Fri, 12 Mar 2021 09:51:01 +0100
Subject: [PATCH]  Added a bit more diagnostic info in case of a LAN send
 error.

---
 global.h  |  2 +-
 tmc_lan.c | 13 ++++++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/global.h b/global.h
index 4d65d83..c0e6147 100644
--- a/global.h
+++ b/global.h
@@ -35,7 +35,7 @@
 
 
 #define PROGRAM_NAME          "DSRemote"
-#define PROGRAM_VERSION       "0.37_2102171920"
+#define PROGRAM_VERSION       "0.37_2103120950"
 
 #define MAX_PATHLEN            1024
 
diff --git a/tmc_lan.c b/tmc_lan.c
index 2c4c3fe..248f5c2 100644
--- a/tmc_lan.c
+++ b/tmc_lan.c
@@ -42,6 +42,7 @@
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <netdb.h>
+#include <errno.h>
 
 #include "tmc_dev.h"
 #include "utils.h"
@@ -79,9 +80,19 @@ static int tmclan_send(const char *str)
   {
     if(FD_ISSET(sockfd, &temp_tcp_fds))  /* check if our file descriptor is set */
     {
-      return send(sockfd, str, len, MSG_NOSIGNAL);
+      len = send(sockfd, str, len, MSG_NOSIGNAL);
+      if(len == -1)
+      {
+        perror("send()");
+      }
+
+      return len;
     }
   }
+  else
+  {
+    perror("select()");
+  }
 
   return -1;
 }