From b504d440a0e9725be479438dab7ab96b64740df2 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Mon, 9 Apr 2018 15:06:28 +0200
Subject: [PATCH] fix for MS Visual Studio snprintf()

---
 src/io.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/io.c b/src/io.c
index 27c1de00..58427be4 100644
--- a/src/io.c
+++ b/src/io.c
@@ -32,6 +32,11 @@
 #include <fcntl.h>
 #ifndef _MSC_VER
 #include <unistd.h>
+#else
+#include <stdio.h>
+#if _MSC_VER < 1900
+#define snprintf _snprintf
+#endif
 #endif
 
 #if defined(__amigaos4__) || defined(__AROS__) || defined(__MORPHOS__) || defined(__amigaos__)