From fc4497c29e9ef50dd2f54ccd4ff27e3a02060cf3 Mon Sep 17 00:00:00 2001
From: Uilian Ries <uilianries@gmail.com>
Date: Mon, 4 May 2026 10:58:38 +0200
Subject: [PATCH] Guard ssize_t redefinition to avoid MSVC error

Mitigates the MSVC error:
src\modbus-private.h(19): error C2632: 'int' followed by 'int' is
illegal

ssize_t is defined already on MSVC which causes the error

Signed-off-by: Uilian Ries <uilianries@gmail.com>
---
 src/modbus-private.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/modbus-private.h b/src/modbus-private.h
index ea83187f7..f108fe6f8 100644
--- a/src/modbus-private.h
+++ b/src/modbus-private.h
@@ -14,8 +14,10 @@
 #else
 # include "stdint.h"
 # include <time.h>
+#ifndef ssize_t
 typedef int ssize_t;
 #endif
+#endif
 // clang-format on
 #include <config.h>
 #include <sys/types.h>