From 4d8af5e4b998fccc8c9a5d5505866f4722f64954 Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Mon, 22 Jul 2019 23:07:44 +0200
Subject: [PATCH] Adding (v)snprintf and va_copy for Windows.

---
 upb/port_def.inc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/upb/port_def.inc b/upb/port_def.inc
index 1b343d870c..5220c2917c 100644
--- a/upb/port_def.inc
+++ b/upb/port_def.inc
@@ -71,6 +71,14 @@
 #define UPB_NORETURN
 #endif
 
+#if defined(_WIN32) || defined(WIN32)
+/* Windows versions */
+#include <stdarg.h>
+#include <stdio.h>
+#define _upb_snprintf _snprintf_s
+#define _upb_vsnprintf _vsnprintf_s
+#define _upb_va_copy(a, b) va_copy(a, b)
+#else
 #if __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L
 /* C99/C++11 versions. */
 #include <stdio.h>
@@ -89,6 +97,7 @@
 #else
 #error Need implementations of [v]snprintf and va_copy
 #endif
+#endif
 
 #ifdef __cplusplus
 #if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) || \