From c42903688389fbe3a580ba252e262bec35e930bd Mon Sep 17 00:00:00 2001
From: Stéphane Raimbault <stephane.raimbault@gmail.com>
Date: Mon, 25 Feb 2013 02:11:38 +0100
Subject: [PATCH] Avoid C99 declaration in win32 section code (closes #92)

---
 src/modbus-tcp.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/modbus-tcp.c b/src/modbus-tcp.c
index e50cfc8..017026b 100644
--- a/src/modbus-tcp.c
+++ b/src/modbus-tcp.c
@@ -221,13 +221,12 @@ static int _modbus_tcp_set_ipv4_options(int s)
     /* If the OS does not offer SOCK_NONBLOCK, fall back to setting FIONBIO to
      * make sockets non-blocking */
     /* Do not care about the return value, this is optional */
+    option = 1;
 #if !defined(SOCK_NONBLOCK) && defined(FIONBIO)
 #ifdef OS_WIN32
     /* Setting FIONBIO expects an unsigned long according to MSDN */
-    unsigned long ioctloption = 1;
-    ioctlsocket(s, FIONBIO, &ioctloption);
+    ioctlsocket(s, FIONBIO, &option);
 #else
-    option = 1;
     ioctl(s, FIONBIO, &option);
 #endif
 #endif
--
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