From 4abb548795fb94a8832f9a735823fb4d85b14ca3 Mon Sep 17 00:00:00 2001
From: Stéphane Raimbault <stephane.raimbault@gmail.com>
Date: Thu, 28 Oct 2010 18:58:46 +0200
Subject: [PATCH] Initialize socket to -1 to avoid write on standard output

---
 src/modbus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/modbus.c b/src/modbus.c
index 1cd9aed..b741c4c 100644
--- a/src/modbus.c
+++ b/src/modbus.c
@@ -1225,8 +1225,9 @@ int modbus_report_slave_id(modbus_t *ctx, uint8_t *data_dest)
 
 void _modbus_init_common(modbus_t *ctx)
 {
-    /* Slave is initialized to -1 */
+    /* Slave and socket are initialized to -1 */
     ctx->slave = -1;
+    ctx->s = -1;
 
     ctx->debug = FALSE;
     ctx->error_recovery = FALSE;
--
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